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Ventilating or ventilation (the "V" in HVAC) is the process of exchanging or replacing air in any space to provide high indoor air quality which involves. KALW is local public radio from the San Francisco Bay Area. BBC, NPR, and innovative local programming including Crosscurrents and Your Call. The Bay Area Air Quality Management District is primarily responsible for now require “clean” geotechnical plan review letters prior to.

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Air Quality Forecast

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Air Quality Forecast and Spare the Air Alerts

Air is almost always on the move, and pollution can easily drift from one reporting zone to another. This is particularly true in the Bay Area, which forms a single air basin, and where winds can blow pollution from one location into neighboring valleys.

That is why a Spare the Air Alert is called for the entire Bay Area when air quality is forecast to be unhealthy in any one of the five reporting zones: North Counties, Coast and Central Bay, Eastern Zone, South Central Bay, and Santa Clara Valley.

Reporting zones are different from county lines: they are defined by air current patterns and geographic features that lead to shared air quality within certain areas.

The Air District issues a daily forecast that predicts air pollution levels for the coming five-day period. The forecast uses the U.S. EPA's Air Quality Index to indicate how healthy or unhealthy those air pollution levels are expected to be.

A Spare the Air Alert is called when air quality is forecast to be unhealthy, or above 100 in the AQI, in any one of the reporting zones. An alert may span over two days if air quality is expected to remain unhealthy for prolonged periods.

If air quality is unhealthy in the Bay Area, it is almost always because of two kinds of air pollutants: Ozone and fine particulate matter, or PM2.5.

The daily forecast is available by signing up for email ‌AirAlerts or calling the Air District’s 24-hour, toll-free information line (1-800-HELP AIR).

Источник: https://www.sparetheair.org/understanding-air-quality/air-quality-forecast

California's air quality is worse than India's. That's not good in a pandemic


SAN FRANCISCO – Kevin Galvin, a water conservation administrator who lives in the Oakland foothills, woke up Monday morning to “dry, smoky air with ash in it,” and the house smelled like the site of a campfire.

Millions of his fellow Californians were breathing in that same harmful air.

The hundreds of wildfires ravaging the state, especially the northern and central parts, have badly deteriorated the air quality over large swaths when residents are already at a high risk of pulmonary disease because of the COVID-19 pandemic.

"Most, if not all, major urban areas in California have been affected by poor air over the past week," the California Air Resources Board told USA TODAY, and the highest level of PM2.5 – fine particles that can reach deep into the lungs – were registered in Santa Cruz County and the Monterey Bay region.

As of 2:30 p.m. PDT Monday, about one-third of the Golden State was deemed to have air unhealthy for all members of the general public, according to the Environmental Protection Agency’s Air Quality Index. That assessment included highly populated spots such as the San Francisco Bay Area, Fresno and the capital city of Sacramento.

At times during the past few days, parts of the Bay Area have been blanketed by a thin layer of ash while enduring the worst air quality in the world. According to purpleair.com, Monday afternoon’s rating of 548 west of San Jose was three times higher than the closest global figure.

“The concentration of the tiny particles (PM2.5) in the Bay Area is roughly five times the daily average limit set by the EPA. It's worse in the Bay Area now than mega cities like New Delhi, which are known for poor air quality,” said Coty Jen, assistant professor at the Center for Atmospheric Particle Studies at Carnegie Mellon University. “Even healthy people are reporting headaches, bloody noses, etc., during this current smoke event.”

Finally, a break: Massive wildfires scorch California, but humidity helps keep feared lightning at bay for now

The EPA calculates a daily Air Quality Index based on five major pollutants regulated by the Clean Air Act: ground-level ozone, particle pollution (also known as particulate matter), carbon monoxide, sulfur dioxide and nitrogen dioxide. Fine particles present the most serious health threat, according to the AirNow.gov website.

“These microscopic particles can penetrate deep into your lungs,” the website says. “They can cause a range of health problems, from burning eyes and runny nose to aggravated chronic heart and lung diseases. Exposure to particle pollution is even linked to premature death.”

The EPA warns that surgical and cloth masks and bandannas, often used to prevent spread of the coronavirus, don’t protect against smoke inhalation. Higher-grade N-95 masks do to a large extent, but they’re in short supply and mostly reserved for medical workers.

The Air Resources Board advises people in the affected areas to stay inside with their windows and doors shut, run air conditioners in the recirculate setting and keep track of  conditions.

Galvin said he and his wife restrict outside exposure for themselves and their 9-year-old daughter, Emmy, which has downsides.

“We’re letting her go out with us on dog walks and to try to get some sunshine,” he said, “but we’re trying to limit her outdoor time a bit, and that’s kind of resulting in more screen time.”

Of course, the adverse effects of the smoky air go well beyond prompting too much time in front of a computer. California has registered nearly 673,000 of the 5.7 million cases of COVID-19 in the USA, which leads the world by far in that category.

The prevalence of smoke only makes residents more vulnerable to the highly contagious disease, said Dr. John Watson, an expert on air quality measurements and the impact of air pollutants at the Desert Research Institute in Reno, Nevada.

“Anecdotally, what you’re seeing is people’s systems are becoming more sensitive to (the coronavirus),” Watson said. “They’re going to be more prone to have more damage. Just the smoke alone induces a lot of asthma, bronchitis, COPDs (chronic obstructive pulmonary disease), so it gives a lot of acute effects that take place right away. That’s just going to weaken the whole system. You’re going to be more susceptible to any other disease just because your system is already overtaxed.”

A red alert prompted by forecasts of lightning strikes – a rare occurrence in Northern California that sparked the spate of wildfires a week ago – was called off Monday. That led to a major sigh of relief for the battered area, where overwhelmed and undermanned firefighters have battled the blazes nonstop.

The break figures to be only temporary, considering this is just the midpoint of the increasingly long fire season.

“Poor air quality, particularly during wildfire season, is one of the most important environmental issues facing the state of California,” said Aaron Harrison, a teaching and research fellow in atmospheric chemistry at Chapman University. “While poor air quality is always a concern for vulnerable respiratory populations in the state, the air quality can become so bad during wildfire season that it poses a significant risk of negative health effects to anyone exposed to it.”

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Источник: https://www.usatoday.com/story/news/nation/2020/08/24/california-wildfires-air-quality-increasingly-unhealthy/3431014001/

Air quality in Lake Tahoe ranks worst in North America right now

Lake Tahoe has worst air in North America

On Tuesday morning, Lake Tahoe had the worst air quality in North America because of wildfire smoke.

TAHOE CITY, Calif. - The air quality in the Lake Tahoe Area on Tuesday morning was considered the worst in all of North America.

Air quality experts say the smoke from the Caldor Fire in El Dorado county has created dangerous, toxic air.

This week, readings on AirNow showed a 620 AQI in Tahoe City. The Air Quality Index goes up to 500. Anything above 500 is labeled as "beyond index."

But those same tests show the air quality in Tahoe has been changing almost daily during the past month, due largely to the winds. And there are still blue skies, and clear air, on many days around the lake.

MORE: Newsom requests presidential disaster declaration for California wildfires

Caldor Fire a top priority

The Caldor Fire is a top priority to beat as Cal Fire resources are running thin. James Torrez reports


This story was reported in Oakland, Calif. 

Источник: https://www.ktvu.com/news/air-quality-in-lake-tahoe-ranks-worst-in-north-america-right-now

How toxic wildfire smoke affects pregnant people

NAPA, Calif.—Sonny, a 10-month old, crawls through the tunnel of a playground surrounded by fresh cedar wood chips as the sun sets in October. His 4-year-old sister, Lenny, climbs the rungs of the jungle gym as their parents, Rebecca and Omar Chowaiki, keep watch.


"He is the happiest baby. He is so smiley," Rebecca Chowaiki said of her son. "We named him Sonny because it was a hard pregnancy, and we knew there would be some obstacles he needed to get over, so we wanted him to have a sunny disposition."

Sonny was diagnosed with a condition called bilateral clubfoot. A specialist put casts on his feet, he underwent surgery to cut his achilles tendon, and he wore orthotic shoes connected by a bar. He also received physical therapy for another condition called hypotonia, which meant he slouched when sitting and his head drooped. This amounted to months of medical appointments. "You just take it as it comes," his mother said.

Related: How wildfires impact your health

Smoking cigarettes during pregnancy can significantly increase the risk of a baby having clubfoot, but Sonny's mother has never smoked a cigarette. "We've been breathing in buildings burning for the last four years," she told EHN. "We've all been smoking in one way or another."

The sky is blue today, but the grass and shrubs are crisp as kindling. Officials declared red flag warnings in recent weeks, meaning the dry and windy conditions are perfect for wildfires to ignite and rapidly spread. "When that happens, we brace ourselves," Chowaiki said.

Since 2017, wildfires have swept Napa and nearby Sonoma each fall. The summers are hotter and last longer, and rain is less frequent. The fires have cast a thick fog of smoke over the region, lasting for weeks or months. Chowaiki breathed the smoke in 2017, 2018, and 2019 leading up to Sonny's conception.

A hill rises behind the playground. Chowaiki can see it from her kitchen window. It's a source of anxiety for her — fires have reached the other side of the hill in previous years.

"It's really scary. There's a lot of PTSD. You go to sleep thinking: 'OK, if I have to wake up suddenly and I see the hill is on fire behind me, I'll tell my husband, you grab our daughter, I'll grab our son, and we'll just hope that the dogs follow us.' "

Chowaiki doesn't draw a direct link between Sonny's condition and the wildfires — "we don't live in a vacuum," she said — but she recently enrolled in a study at the University of California, Davis, that is examining birth outcomes of people exposed to wildfire smoke. After years of inhaling the stuff, she is curious how it affected her body and child.

Climate change-fueled fires in California are increasing in severity every year, blanketing the western U.S. and Canada in ominous smoke that can be seen from space. Since the 1970s, California's average summer temperatures have increased by 1.4 degrees Celsius, and the state has seen a five-fold increase in acreage burned, according to a Reuters data analysis. Some parts of California now experience double the number of fire weather days per year compared to the 1970s, according to Climate Central. Wildfire smoke is reaching further across the continent, as far as Toronto and New York in summer 2021. As both wildfires and populations grow, more people are exposed to smoke that contains plastics, heavy metals from burned buildings and vehicles, and tiny, dangerous particles that can travel deep into the lungs and enter the bloodstream. Scientists know that wildfire smoke increases the risk of asthma for children, and heart disease, heart attack, stroke and death for adults.

Now scientists believe smoke and stress from wildfires also likely play a role in adverse pregnancy outcomes, such as low birth weight, preterm births — and even miscarriages.

Wildfire smoke and birth outcomes

wildfire smoke

Tinted orange by wildfire smoke from Oregon and southern Washington, the sun lowers behind a hill in Kalama, Washington on September 9, 2020. Across the state line, in Oregon, officials have given Level 3 "go now" evacuation notices to at least half of Clackamas County due to multiple wildfires. (Credit: David Ryder)

Each year, of the 3.75 million live births in the U.S., about 500,000 babies are born prematurely and 120,000 babies have birth defects, according to the US Centers for Disease Control and Prevention. Nonsmoking pregnant people who are exposed to tobacco smoke have a higher risk of preterm birth, low birthweight, and miscarriage, the CDC says. Air pollution can also contribute to low birthweight or preterm birth, even at levels below the federal Environmental Protection Agency's standards.

About an hour's drive from Napa, scientists are investigating whether to add wildfire smoke to the list of risk factors for adverse birth outcomes. In the city of Davis, California, about 4,000 rhesus macaques, a primate roughly the size of a housecat, live in dozens of outdoor cages as big as gymnasiums. Since the 1960s, the California National Primate Research Center has studied the monkeys because they are biologically close to humans. But recently the primates became the subject of unplanned research released in September.

In November 2018, at the peak of monkey mating season, smoke from the Camp Fire about 100 miles away cloaked the cages. Researchers followed the monkeys' pregnancies, and when it was time to give birth in the spring, they found the primates exposed to smoke had a higher rate of miscarriages.

In the nine previous years, the monkeys breathing clean air had an average live birth rate of 90%. The monkeys exposed to wildfire smoke in 2018 had a live birth rate of 82%— an 8% drop.

Bryn Willson, an OB/GYN resident at UC Davis and lead researcher on the primate paper, told EHN she was surprised the effect wasn't worse. "There were still several primates that got pregnant right at the peak of poor air quality, and they went on to deliver healthy [babies]," she told EHN. Willson said another team of researchers plans to follow the monkeys born after the 2018 wildfires to see how the smoke affects them long-term.

The monkey study is part of an emerging body of research.

wildfire smoke

A crow is silhouetted by the sun, which is tinted orange from wildfire smoke, on September 11, 2020 in Medford, Oregon. Hundreds of homes in nearby towns have been lost due to wildfire. (Credit: David Ryder)

In 2012, UC Berkeley scientists found that the 2003 southern California wildfires were associated with a slightly reduced birth weight, and in 2019, research by the Colorado School of Public Health linked wildfire smoke to preterm births. Low birth weight is associated with a higher risk of infant mortality, and disease or inhibited cognitive development later in life. Babies born too early can have learning disabilities and visual and hearing conditions, according to the World Health Organization.

New research suggests wildfire smoke may increase the risk of miscarriages for humans, too.

In an unpublished paper currently under peer review, Stanford researchers looked at data to see if the apocalyptic 2020 wildfire smoke that turned day to night on the west coast correlated with the number of people experiencing miscarriages at the Stanford ER near San Jose, California. Compared to years with no smoke, they found that the likelihood of a lost pregnancy during the 2020 wildfire smoke event increased by 29%.

"They're big numbers," Marshall Burke, who co-authored the paper with lead researcher Bibek Paudel, told EHN. Burke also contributed to a previous paper that found that one day of medium- to high-intensity wildfire smoke exposure increased the likelihood of preterm birth by 1%, meaning that two weeks of exposure led to a 14% increase in likelihood of preterm birth. "It's consistent with our other paper," he said of the ER data. "In-utero exposure to wildfire smoke can dramatically worsen birth outcomes."

Burke said it's "absolutely possible" that smoke contributed to Sonny's condition, and Chowaiki is right to be curious. "I don't think we have the smoking gun study on birth defects in particular, but everything we've found about the effects of wildfire smoke on pregnancy outcomes suggests that it could have a range of negative outcomes."

While policy changes over the last 30 years have decreased dangerous air pollution from vehicles and industry in California, Burke said megafires are now contributing a larger proportion of that poor air quality — about half the air pollution in the state. "The state overall has seen pretty impressive declines in exposures to these pollutants, [but] wildfires are pushing in the other direction," Burke said. "They are increasing exposures again."

What does wildfire smoke do to our bodies?

Rebecca Schmidt, associate professor at the UC Davis School of Medicine, is in the midst of a study following people who were pregnant during the megafires in 2017, 2018, 2019, and 2020. Chowaiki enrolled in her study.

"Our hope is to be able to follow the kids from these pregnancies as they get older and look at various outcomes, because there has been very little done [on respiratory outcomes later in life]," Schmidt told EHN.

Schmidt is sampling participants' hair for heavy metals that could be from the wildfires. She is also collecting placentas for testing.

An Australian doctor found that placentas of people who were pregnant during wildfires looked similar to those of people who had smoked a pack a day of cigarettes, but Schmidt hasn't seen anything like that in California placentas. "It hasn't been replicated yet, and it was a small study, but it does give pause on, is this something we should be concerned about?" she said.

Scientists don't know how wildfire smoke might affect fetuses in the womb, but they have some theories.

Similar to cars and industrial plants, wildfires emit tiny particles like PM 2.5 and PM 0.1 that are so small they can cross from the lungs into the bloodstream and travel all over the body. "They tend to give rides to other contaminants," Schmidt said. "Things like heavy metals piggyback on those small particles and also get deep into the lungs and other places. And that causes inflammation. In general it's not good to have inflammation for health."

Schmidt said inflammation from infection can disrupt the placenta and lead to issues like preterm delivery, low birth weight, and stillbirth.

Willson has a theory, too. The Camp Fire that blanketed the monkey cages in smoke was the most destructive fire in California history, incinerating more than 18,000 buildings. Sampling from the Camp Fire smoke showed it contained oxidized organic material from burnt trees and also phthalates, which are known to disrupt endocrine pathways in the body, affecting metabolism and damaging DNA, from burnt furniture and buildings. Phthalates have been linked to abnormal fetal development and adverse outcomes after birth.

"When buildings are burned and furniture is burned, you release into the atmosphere other toxic compounds that include things like phthalates, which we know are not good for humans to breathe in," Willson said.

Willson said pollutants like PM 2.5, PM 0.1, and phthalates may cross the placenta, but more research is needed to confirm this.

Stress from wildfires

wildfire smoke children

Rebecca Chowaiki holds her son, Sonny, at a park near their home in Napa, California on October 9, 2021. (Credit: David Ryder)

Schmidt surveyed parents about their symptoms from the wildfires. Short-term effects included coughing, irritated eyes, and sore throat. But one of the most common symptoms was long-term stress and anxiety from proximity to wildfires. "Even up to a year later, they were still experiencing a high level of stress and anxiety," she said.

Stress can ramp up inflammation in a similar way to smoke, she explained, meaning pregnant people could face double exposure from smoke and mental health impacts. She pointed to a study showing that stress is a risk factor for outcomes like preterm delivery.

Chowaiki said her pregnancy with Sonny was "extremely stressful" due to the pandemic and in-utero diagnosis of his bilateral clubfoot.

She also feels climate anxiety. Her daughter Lenny was born prematurely during the fall 2017 wildfires. While she was in the ICU, the hospital briefly lost power. Since then, whole towns in California have burned to the ground. "I know so many people at this point who have lost their homes," she said. She knows her home may not be here next year.

Protecting pregnant people from wildfire smoke

wildfire children health

Rebecca Chowaiki and Omar Chowaiki pose for a portrait with their son, Sonny, and daughter, Lenny, at their home in Napa, California on October 9, 2021. (Credit: David Ryder)

Burke recommended that people stay inside when it's smokey, close windows and doors, and invest in indoor air filtration. If they can't filter the entire house, they should filter one room and stay in there as much as possible. He extended this advice to people living far away from fires; in summer 2021, smoke from wildfires drifted across the continent into cities like Toronto, Boston, and New York.

Burke acknowledged that not everyone can afford to filter indoor air, and some people work outside, like construction and agricultural employees. In that case, he said N-95 masks can help reduce exposure to smoke, but employers and regulators must take responsibility for protecting workers, whether it's from heat waves or wildfires.

"It's our broader responsibility to limit their exposures — that means reducing the amount of wildfire smoke in the air. That's the fundamental thing we need to do," he said.

In wildfire season, Chowaiki checks the air quality from different sources so she knows when to stay inside. If she has to go outside in the smoke, she wears an N-95 mask.

"If you put a frog into boiling water, it's going to jump out, but if you put a frog into water and you heat it up slowly, it will stay there until it dies," Chowaiki said. "I feel like that's what we're doing. We're allowing this to become our normal, and it never should have been normal."

Banner photo: Sonny Chowaiki sits in the arms of his mother, Rebecca, at a park near their home in Napa, California on October 9, 2021. (Credit: David Ryder)

Источник: https://www.ehn.org/wildfire-smoke-births-2655744649.html

During the week, air quality measurement services from the U.S. and across the world found that California, along with parts of the Pacific Northwest, had the worst air quality levels recorded for decades.

Record smoke, air quality highs across California

Cities such as San Francisco and Los Angeles, besieged by ash and smoke plumes coming from the record setting wildfires nearby, clocked air quality measurements worse than heavily polluted cities in Asia.

San Francisco, which normally has an air quality AQI score of between 40 and 60, recorded an average score of 194, breaking it’s all-time worst record. Multiple nearby wildfires, including the nearby CZU August Lightning Complex fire currently threatening the outskirts of San Jose, has suffocated the region, with so much smoke and particles in the air than skies have turned orange in the last few days.

Meanwhile Los Angeles, which tends to have an average AQI score of around 60, has seen their score jump up in recent days too thanks to the nearby Bobcat Fire, which is currently threatening San Gabriel Valley cities. With a score on Friday of 153, Los Angeles is now tied in air quality with New Delhi, India, not reaching air pollution this high in 25 years.

With other major cities such as Sacramento, Fresno, and San Diego also experiencing bad air quality, ash falls, and discolored skies, almost every part of California is now being negatively affected by the dozens of active wildfires in the state.

Health officials from the California Air Resources Board (CARB) are warning residents that the overall air quality and interactions such as breathing in ash and soot is very dangerous and are warning those with health conditions to stay inside.

 

Dangerous pollutant levels, an added benefit to wearing COVID-19 masks

“The air quality and the fires have been particularly dangerous this year,” noted CARB health and exposure branch head Bonnie Holmes-Gen in a statement.  “They can build up in our bodies, and they can cause a number of immediate health problems ranging from itching, burning eyes and scratchy throat and shortness of breath, but also can cause long-term problems. Anybody with existing lung or heart conditions is particularly vulnerable to smoke.

“If you smell smoke, close your windows, turn on air-conditioning, and if you can, get filters for the air conditioning so no particles come inside. Our lungs are very sensitive. Lungs are not meant to breathe then these amounts of hazardous particles, so it is important to protect yourself and stay indoors. Our fires in California are affecting surrounding states and the smoke can have quite a wide reach. It can travel thousands of miles. People do need to be aware of that.”

With over 1 million acres burned in the past week, officials also warn that poor air quality may continue for some time if fires aren’t put out immediately.

Jack Braun, who had been advising some local governments on COVID-19 measures, said that mandatory masks are a blessing in disguise for many during this time.

“Even the weakest masks block something,” explained Braun to the Globe. “And those N95 masks? This is what they’re made for. They stop PM 2.5 particles, also known as the particles from the wildfires, as well as COVID-19. A lot of people and cities have a bunch for COVID-19 already, and now they can have extended time outside in the smoked areas. It gets tricky if those masks have valves, but generally as long as you pay attention to what you need it for the N95 is great. So if the air quality is bad, these help you outside.”

“They saved lives during the pandemic and now they can do it again during the wildfires.”

While wildfires are being battled around the clock and are slowly being contained around the state, high pollution and wildfire smoke levels are expected to continue for at least the weekend in most areas.

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Evan Symon

Evan Symon

Evan V. Symon is the Senior Editor for the California Globe. Prior to the Globe, he reported for the Pasadena Independent, the Cleveland Plain Dealer, and was head of the Personal Experiences section at Cracked. He can be reached at [email protected]

Evan Symon

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Источник: https://californiaglobe.com/articles/california-air-quality-skyrockets-to-some-of-the-worst-levels-ever-due-to-wildfires/

A Spare the Air Alert has been called for Sunday for unhealthy levels of smog caused by smoke from Northern California wildfires, along with vehicle exhaust and high inland temperatures.

Exhaust from vehicles combines with wildfire smoke to create unhealthy ozone, or smog, that can trigger congestion, throat irritation and asthma.

The air quality index in every Bay Area region will hover around the 50s and 60s, signaling moderate conditions. An air quality index is moderate if it’s within 51 to 100, and the air becomes unhealthy for sensitive groups if the index rises past that.

Although fine particle pollution concentrations from smoke are not expected to exceed moderate levels on the Air Quality Index, ozone pollution is forecast to be unhealthy.

The Bay Area Air Air Quality District also has issued an Air Quality Advisory through Monday for smoke.

Temperatures across the Bay will be warmer than normal this weekend. San Jose will peak in the low-to-mid 80-degree range, with Morgan Hill reaching the low 90s. Inland parts of Alameda and Contra Costa counties will similar hover in the 90s, while Oakland will see highs in the mid-70s.

Although wind speeds are mild, the marine layer off the coast has compressed in the past few days, according to a National Weather Service meteorologist. Because of the warmth of the sun, the marine layer is now 1,000 feet deep, compared with 2,000 feet during cooler days earlier in the week.

“It provides that nice fog in the morning, but once it fades, the marine layer unfortunately doesn’t provide as much relief,” meteorologist Sarah McCorkle said Sunday.

Ozone, or smog, can worsen existing respiratory conditions, including asthma, bronchitis and emphysema, the Bay Area Air Quality Management District said in a release. Long-term exposure can reduce lung functions. The pollution caused by smog is especially harmful for young children and seniors.

“If the smell of smoke is present, it is important that Bay Area residents protect their health by avoiding exposure,” the district said in a release. “If possible, stay inside with windows and doors closed until smoke levels subside, if temperatures allow.”

Crews fighting the Caldor Fire in the Lake Tahoe area advanced containment of the blaze to 37% on Saturday amid more promising weather conditions. The fire has burned more than 214,000 acres, forcing many South Lake Tahoe residents to evacuate and contributing to the air quality woes facing the Bay Area this weekend.

Источник: https://www.mercurynews.com/2021/09/04/smoke-filled-smog-from-wildfires-will-hurt-bay-area-air-quality-this-weekend

Saturday will be a scorcher in parts of the Bay Area, especially for those who live inland. And if the heat was not enough, drifting smoke from California wildfires will cause air pollution.

But there’s good news: Temperatures are expected to drop on Sunday.

On Thursday, the Bay Aqi san jose now Air Quality Management District issued Spare the Air alerts for Friday and over the weekend, saying wildfire smoke was forecast to diminish air quality.

The conditions were not expected to exceed federal health standards, however.

It is illegal for Bay Area residents and businesses to use their fireplaces, wood stoves, pellet stoves, outdoor fire pits or any other wood-burning devices during a Spare the Air alert.

“We will be continuing the alert through at least Sunday,” said Ralph Borrmann, a district spokesman. “It’s just that there’s a lot of built-up smoke right now that is impacting air quality.”

Temperatures will be highest in the Bay Area over the weekend in the inland areas, according to the National Weather Service.

On Saturday, temperatures were projected to reach 102 degrees in Livermore, while Concord could climb to 101. The temperature in San Jose was forecast to be 93 degrees at its highest.

Given the heat in Sunnyvale in the Santa Clara Valley, the public library opened its doors Saturday as an official cooling center. The library at 665 W. Olive Ave. will remain open until 6 p.m.

On Sunday temps of up to 95 degrees are forecast in Santa Clara Valley, while San Jose is expected to reach 90 degrees. Oakland will be at 82, Monterey at 74 and San Francisco at 72, according to the weather service.

The weather is expected to stay cooler in other areas, thanks to a marine layer off the coast that is still holding despite the increase in high temperatures and smoky conditions.

After Sunday, temperatures are expected to fall due to increasing northwesterly winds and will continue dropping into next week, when another low-pressure trough begins to descend upon the Bay Area, according to the weather service.

Spare the Air alerts are issued when ozone or particulate matter pollution is forecast to reach unhealthy levels.

If the smell of smoke is present or visible, people should stay inside with windows and doors closed until smoke levels subside. It is also recommended that people set air conditioning units and car vent systems to re-circulate to prevent outside air from moving inside.

Borrmann said the areas most impacted from the pollution generated by the wildfires this weekend are in the North Bay and in the East Bay, or the places farthest from the coast.

“Unfortunately, smoke is again expected to cause unhealthy air quality this weekend due to continued impacts from wildfires,” Jack Broadbent, executive officer of the air district, said in a statement. “Residents should stay vigilant, track local air quality conditions and head indoors if air quality reaches unhealthy levels to protect their health.”

This is a developing story. Check back for updates.

Источник: https://www.eastbaytimes.com/2021/08/28/high-temperatures-and-smokey-conditions-set-for-bay-area

A Spare the Air Alert has been called for Sunday for unhealthy levels of smog caused by smoke from Northern California wildfires, along with vehicle exhaust and high inland temperatures.

Exhaust from vehicles combines with wildfire smoke to create unhealthy ozone, or smog, that can trigger congestion, throat irritation and asthma.

The air quality index in every Bay Area region will hover around the 50s and 60s, signaling moderate conditions. An air quality index is moderate if it’s within 51 to 100, and the air becomes unhealthy for sensitive groups if the index rises past that.

Although fine particle pollution concentrations from smoke are not expected to exceed moderate levels on the Air Quality Index, ozone pollution is forecast to be unhealthy.

The Bay Area Air Air Quality District also has issued an Air Quality Advisory through Monday for smoke.

Temperatures across the Bay will be warmer than normal this weekend. San Jose will peak in the low-to-mid 80-degree range, with Morgan Hill reaching the low 90s. Inland parts of Alameda and Contra Costa counties will similar hover in the 90s, while Oakland will see highs in the mid-70s.

Although wind speeds are mild, the marine layer off the coast has compressed in the past few days, according to a National Weather Service meteorologist. Because of the warmth of the sun, the marine layer is now 1,000 feet deep, compared with 2,000 feet during cooler days earlier in the week.

“It provides that nice fog in the morning, but once it fades, the marine layer unfortunately doesn’t provide as much relief,” meteorologist Sarah McCorkle said Sunday.

Ozone, or smog, can worsen existing respiratory conditions, including asthma, bronchitis and emphysema, the Bay Area Air Quality Management District said in a release. Long-term exposure can reduce lung functions. The pollution caused by smog is especially harmful for young children and seniors.

“If the smell of smoke is present, it is important that Bay Area residents protect their health by avoiding exposure,” the district said in a release. “If possible, stay inside with windows and doors closed until smoke levels subside, if temperatures allow.”

Crews fighting the Caldor Fire in the Lake Tahoe area advanced containment of the blaze to 37% on Saturday amid more promising weather conditions. The fire has burned more than 214,000 acres, forcing many South Lake Tahoe residents to evacuate and contributing to the air quality woes facing the Bay Area this weekend.

Источник: https://www.mercurynews.com/2021/09/04/smoke-filled-smog-from-wildfires-will-hurt-bay-area-air-quality-this-weekend

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November 29, 2021 at 9:04 AM Traffic hazard on Hwy 49 at Oak Tree Road in North San Juan.

November 29, 2021 at 6:51 AM Today is a No Burn day in Nevada and Sierra counties.

November 28, 2021 at 6:04 PM Roadway is clear again on Hwy 174.

November 28, 2021 at 5:54 PM Hwy 174 near Dalmatian Drive is reduced to one lane after an accident. Emergency services are at scene.

November 28, 2021 at 10:16 AMChilly mornings and mild afternoons continue. Another mild day is in store for interior Northern California.

November 27, 2021 at 9:00 AM Again, a No Burn Day in Nevada County.

November 26, 2021 at 9:45 AM Today is a No Burn Day.

November 25, 2021 at 8:18 AM Happy Thanksgiving! As a reminder, today is a No Burn Day (including in the kitchen;) please don’t smoke out the neighborhood. Wishing you a happy, safe and stress-free Thanksgiving. We’ll try to take a break this holiday weekend, but if anything important happens, we’ll report on it.

November 24, 2021 at 8:26 PM Reported escaped burn pile on China Flats Road on the San Juan Ridge. Units dispatched.

November 24, 2021 at 6:53 PM Two large dogs have been seen wandering in the middle of the roadway on Gracie Road, about 1/3rd of a mile down from Banner Lava Cap. It’s very dark in the area, please slow down for them. Thanks to reader Andrea for alerting us.

November 24, 2021 at 6:30 PM As a heads up, tomorrow is a No Burn day, not just in the kitchen!

November 24, 2021 at 5:25 PM Accident on northbound Hwy 49 just south of the Dorsey Drive on ramp. Car vs deer, no human injuries reported.

November 24, 2021 at 5:18 PM Nevada County Public Health reports 17 new, confirmed COVID-19 cases today. Out of 9,575 cases since the start of the pandemic, 222 are active. Eleven people are hospitalized – two in ICU. Three additional fatalities have been recorded, bringing the death toll to 112 since the start of the pandemic.

135,195 vaccine doses have been administered to Nevada County residents.

57,910 Nevada County residents are fully vaccinated, 65% of the eligible population 12 years and older.

New cases by age

Age groupCasesDifference
0-171,435+2
18-291,600+2
30-391,7310
40-491,342+3
50-641,865+3
65+1,599+4

November 24, 2021 at 4:05 PM First sighting of the day of the resident wild turkey flock. They seemed a little more skittish than usual.

November 24, 2021 at 12:07 PM Non-injury accident on Hwy 20 at Poker Flat, the roadway is clear.

November 24, 2021 at 8:23 AMBreezy winds today. Dry conditions through the Thanksgiving holiday weekend.

November 24, 2021 at 7:10 AM Today is a permissible burn day in western Nevada County.

Burn only natural vegetation that has been down at least 3 weeks and grew on the property where you are burning. Never burn garbage, construction debris, painted wood, plastic etc. (burning such man-made materials releases highly toxic pollutants). For best smoke dispersion, recommended burn hours are 9 AM to 3 PM. 

A CAL FIRE burn permit is not required at this time.

Burning is always prohibited inside the city limits of Nevada City and Grass Valley. 

Truckee Area / Eastern Nevada County:

For best smoke dispersion, recommended burn hours are 9 AM to 3 PM.  Inside the Truckee Fire Protection District, burning is restricted to daylight hours only.

A CAL FIRE Burn Permit (available at https://burnpermit.fire.ca.gov/) or a permit issued by the Truckee Fire Protection District is always required in the Truckee area.

November 23, 2021 at 5:36 PM Vehicle into a ditch on Deer Park Drive near Shannon Way. Emergency services dispatched.

November 23, 2021 at 4:56 PM Nevada County Public Health reports 20 new, confirmed COVID-19 cases today. Out of 9,561 cases since the start of the pandemic, 232 are active. Ten people are hospitalized – two in ICU.

134,739 vaccine doses have been administered to Nevada County residents.

57,867 Nevada County residents are fully vaccinated, 65% of the eligible population 12 years and older.

New cases by age

Age groupCasesDifference
0-171,433+3
18-291,5980
30-391,731+5
40-491,339+2
50-641,862+6
65+1,595+3

November 23, 2021 at 4:49 PM Ridge IC is starting to release resources. Extensive overhaul is starting. Many resources will remain committed for a few hours.

November 23, 2021 at 4:45 PM Ridge IC reports knockdown on the fire.

November 23, 2021 at 4:36 PM Firefighters are making good progress on the Ridge incident.

Grass Valley Fire Engine 202, Engine 5 and Engine 2 along with Battalion 2 assist Nevada County Consolidated Fire with well involved 2 story residential structure fire

November 23, 2021 at 4:32 PM Units at scene are working the active structure fire, direct attack on all corners. Ridge Road will be closed to traffic between Rough and Ready Hwy and Alta Street.

November 23, 2021 at 4:29 PM Structure fire on Ridge Road, emergency services arriving on Ridge Road near A to Z Supply.

November 23, 2021 at 10:42 AM One more ram sighting by reader Lisa. This time on Valley View Road, two streets over from the last sighting.

November 23, 2021 at 9:47 AM Another sighting of the by-now famous ram. This time he’s been spotted on Banner Lava Cap at Dobbins Dr. in the middle of the road. Thanks to reader Chip for the tip.

November 23, 2021 at 9:13 AM Thanks to reader Cathy: Lab cross running loose on Litton Trail aqi san jose now Sierra College Drive at 9 am. Has a collar and some white on chest. Unable to catch the pup. Currently on Sierra College side of Litton Trail near junction with Chapa De. If you’re in the area, please watch for the dog.

November 23, 2021 at 6:56 AM Today is a permissible burn day in western Nevada County.

Burn only natural vegetation that has been down at least 3 weeks and grew on the property where you are burning. Never burn garbage, construction debris, painted wood, plastic etc. (burning such man-made materials releases highly toxic pollutants). For best smoke dispersion, recommended burn hours are 9 AM to 3 PM. 

A CAL FIRE burn permit is not required at this time.

Burning is always prohibited inside the city limits of Nevada City and Grass Valley. 

Truckee Area / Eastern Nevada County:

For best smoke dispersion, recommended burn hours are 9 AM to 3 PM.  Inside the Truckee Fire Protection District, burning is restricted to daylight hours only.

A CAL FIRE Burn Permit (available at https://burnpermit.fire.ca.gov/) or a permit issued by the Truckee Fire Protection District is always required in the Truckee area.

November 22, 2021 at 5:01 PM Nevada County Public Health reports 83 new, confirmed COVID-19 cases today. Out of 9,542 cases since the start of the pandemic, 222 are active. Nine people are hospitalized – one in ICU.

134,240 vaccine doses have been administered to Nevada County residents.

57,843 Nevada County residents are fully vaccinated, 58% of the total population.

New cases by age

Age groupCasesDifference
0-171,430+22
18-291,598+15
30-391,726+15
40-491,337+10
50-641,856+15
65+1,592+5

November 22, 2021 at 12:06 PM A ladder in the roadway on the Brunswick off ramp on southbound Hwy 49 has been moved to the right hand side. Traffic hazard mitigated, ladder still abandoned.

November 22, 2021 at 10:00 AM Nevada County Sheriff’s Office: After successfully notifying the next of kin, our coroners office has released the names of the victims involved in the accident early Saturday morning on I-80 at Eagle Lakes Road. They are identified as:

Montano, Brittney, 29, North Highlands

Montano, Antonio, 29, North Highlands

9 year old female (name being withheld)

5 year old male (name being withheld)

November 22, 2021 at 9:09 AM Vehicle down the embankment and into a creek on Hwy 49 near Cedarsong Road. One lane will have to be closed to recover the car. Reduce your speed and use caution.

November 22, 2021 at 8:50 AM Some great news about Rocky. “My daughter Livia reached out to YubaNet re Rocky the pitty mix that was ejected from a VW Bus during an accident on N. Bloomfield on the 20th. Yesterday, so many wonderful folks turned up to look for Rocky. We scoured and bush wacked through the hills below and above N. Bloomfield all day with no luck. Last night was a sleepless one, knowing that Rocky was in the woods scared and alone. Now, he has been found!

I’m not sure why this event touched me so deeply. I think that having met Keith and Rocky on a trail behind our home was one of those human moments when you know you’ve met someone kind and special. That brief encounter stayed with me a little and when I heard of the accident, it affected me deeply.

What I think touched me even more were the folks google play store gift card codes india came out to look for Rocky some of whom had never met Rocky or Keith; Camille and Graham who first alerted our neighborhood of the accident and started the search for Rocky, Kelly, who hiked N. Bloomfield as cars whizzed dangerously by. Frank and his girlfriend Arnette (my apologies if I didn’t get your name quite right) who pulled up in a car and spent time looking up and down N. Bloomfield for Rocky. James, who literally army crawled from Vee Court to Cooper through the brush hoping to find the poor, scared pup. There were others that spent their Sunday looking for Rocky that I didn’t meet and I don’t wish to leave anyone out.

I think why this event touched me so profoundly is because of all of the kindness that was on display during a time when there is such a shortage of compassion and empathy. Heal fully, Keith and Rocky! I can’t wait for the two of you to reunite!! I hope you will remember us and the kind people of Nevada City in your hearts for a very long time.

Gratefully during this Thanksgiving week” – Nicole

November 22, 2021 at 7:30 AM Dry and slightly breezy start to the week. Upper level ridge in the eastern Pacific will build east toward the Golden State for Thanksgiving Day, resulting in continued dry conditions for NorCal.

November 22, 2021 at 7:05 AM Today is a permissible burn day in western Nevada County.

Burn only natural vegetation that has been down at least 3 weeks and grew on the property where you are burning. Never burn garbage, construction debris, painted wood, plastic etc. (burning such man-made materials releases highly toxic pollutants). For best smoke dispersion, recommended burn hours are 9 AM to 3 PM. 

A CAL FIRE burn permit is not required at this time.

Burning is always prohibited inside the city limits of Nevada City and Grass Valley. 

Truckee Area / Eastern Nevada County:

For best smoke dispersion, recommended burn hours are 9 AM to 3 PM.  Inside the Truckee Fire Protection District, burning is restricted to daylight hours only.

A CAL FIRE Burn Permit (available at https://burnpermit.fire.ca.gov/) or a permit issued by the Truckee Fire Protection District is always required in the Truckee area.

November 22, 2021 at 7:02 AM The dog found on Pleasant Valley Road has been relocated to Sammie’s Best merchant account for small business Animal Shelter.

November 21, 2021 at 7:12 PM This dog was found on Pleasant Valley Road near John Born Road around 5:00 pm. He’s described as a nice mannered large brown/tan male dog with black markings on ears/face. Black collar and prong collar in place, no tags. Please contact C. Winters 530-401-1749 for information.

November 20, 2021 at 10:59 PM Vehicle down an embankment on Tyler Foote Road near Bear Trap Springs Road. Unknown if occupied, emergency services dispatched.

November 20, 2021 at 9:23 PM During the reported accident on North Bloomfield, a dog was ejected. He is a brown and white pit bull mix, super sweet, answers to Rocky. He’s probably in the North Bloomfield, Countrywood Lane or Cooper Road area. Please contact Mia (408) 234-6069 if you’ve seen him, or better yet you have him.

November 20, 2021 at 6:51 PM North Bloomfield Road is open again.

November 20, 2021 at 6:06 PM Major injury accident on North Bloomfield, VW bus vs AT&T truck. Roadway is blocked, emergency services are at scene.

November 20, 2021 at 5:51 PM A large dog is reportedly blocking the road on Rough and Ready Hey and Bonanza Way. The dog is darting across. Please reduce your speed.

November 20, 2021 at 12:41 PM Hwy 20 is open again with no restrictions.

November 20, 2021 at 11:20 AM A rake is blocking the fast lane on southbound Hwy 49 at the Dorsey on ramp. Use caution and keep in mind Caltrans has sweepers – raking the freeway is not effective.

November 20, 2021 at 9:06 AM Hwy 20 remains closed from the junction with I-80 to Nevada City, only local traffic allowed. A wrong way driver on I-80 near Eagle Lake caused a multi-car accident, resulting in four fatalities, including two children.

November 20, 2021 at 7:20 AM As a reminder, starting at 8:00 am, hundreds of bike enthusiasts will compete November 20 in the first-ever Heart of Gold, a challenging 55-mile gravel course race through Gold Country that will help increase awareness and raise funds for mental wellness programs for youth in Nevada County.

November 20, 2021 at 7:12 AM Today is a permissible burn day in western Nevada County.

Burn only natural vegetation that has been down at least 3 weeks and grew on the property where you are burning. Never burn us bank internet bill pay, construction debris, painted wood, plastic etc. (burning such man-made materials releases highly toxic pollutants). For best smoke dispersion, recommended burn hours are 9 AM to 3 PM. 

A CAL FIRE burn permit is not required at this time.

Burning is always prohibited inside the city limits of Nevada City and Grass Valley. 

Truckee Area / Eastern Nevada County:

For best smoke dispersion, recommended burn hours are 9 AM to 3 PM.  Inside the Truckee Fire Protection District, burning is restricted to daylight hours only.

A CAL FIRE Burn Permit (available at https://burnpermit.fire.ca.gov/) or a permit issued by the Truckee Fire Protection District is always required in the Truckee area.

November 19, 2021 at 7:56 PM Accident on East Bennett and Brunswick Road, vehicle overturned and off the roadway. Units dispatched.

November 19, 2021 at 5:08 PM Multi-vehicle accident on northbound Hwy 49 at Alta Sierra Drive. No injuries reported.

November 19, 2021 at 4:33 PM Accident at the transfer station. Car vs forklift, no injuries reported.

November 19, 2021 at 4:06 PM Nevada County Public Health reports 37 new, confirmed COVID-19 cases today. Out of 9,460 cases since the start of the pandemic, 192 are active. Twelve people are hospitalized – three in ICU. Two additional fatalities have been recorded, bringing the death toll to 109 since the start of the pandemic.

133,125 vaccine doses have been administered to Nevada County residents.

57,656 Nevada County residents are fully vaccinated, 64.7% of the eligible population over the age of 12.

New cases by age

Age groupCasesDifference
0-171,408+10
18-291,583+2
30-391,711+6
40-491,327+7
50-641,841+7
65+1,587+4

November 19, 2021 at 8:51 AM A big rig is stuck on the Bear River bridges on Dog Bar Road and Magnolia Road. The roadway is completely blocked.

November 19, 2021 at 7:45 AM Several white ducks in the roadway on Lime Kiln Road at Wolf Road – some drivers stopped trying to herd them away from the road and animal control officers are dispatched. These domestic ducks seem to be enjoying rain showers and a break from their routine. Thanks for slowing down.

November 19, 2021 at 7:37 AM Today is a permissible burn day in western Nevada County.

Burn only natural vegetation that has been down at least 3 weeks and grew on the property where you are burning. Never burn garbage, construction debris, painted wood, plastic etc. (burning such man-made materials releases highly toxic pollutants). For best smoke dispersion, recommended burn hours are 9 AM to 3 PM. 

A CAL FIRE burn permit is not required at this time.

Burning is always prohibited inside the city limits of Nevada City and Grass Valley. 

Truckee Area / Eastern Nevada County:

For best smoke dispersion, recommended burn hours are 9 AM to 3 PM.  Inside the Truckee Fire Protection District, burning is restricted to daylight hours only.

A CAL FIRE Burn Permit (available at https://burnpermit.fire.ca.gov/) or a permit issued by the Truckee Fire Protection District is always required in the Truckee area.

November 18, 2021 at 10:35 PM Griffith Observatory in LA has started their #LunarEclipse livestream. They have a great view!

November 18, 2021 at 8:43 PM A cow in the roadway on Pleasant Valley Road near Birchville Road. Maybe trying to get to greener pastures or a clear spot to watch the eclipse? Either way, please use caution.

November 18, 2021 at 5:22 PM Accident on Hwy 174 at Greenhorn Access Rod, car vs deer.

November 18, 2021 at 3:08 PM Nevada County Public Health reports 14 new, confirmed COVID-19 cases today. Out of 9,424 cases since the start of the pandemic, 184 are active. Eleven people are hospitalized – four in ICU. Two additional fatalities have been recorded, bringing the death toll to 107 since the start aqi san jose now the pandemic.

132,426 vaccine doses have been administered to Nevada County residents.

57,529 Nevada County residents are fully vaccinated, 64.6% of the eligible population.

New cases by age

Age groupCasesDifference
0-171,398-2
18-291,5810
30-391,705+1
40-491,320+3
50-641,834+2
65+1,583+6

November 18, 2021 at 12:53 PM Three sheep on the loose on Bitney Springs Road near Empress Road, according to a reader. Any sheepherder in the area? Slow down, otherwise you’ll get the hook 😉

November 18, 2021 at 11:44 AM Man chasing a white dog on the Bennett Street off ramp on southbound Hwy 49, according to CHP log.

November 18, 2021 at 11:06 AM Confirmed false alarm on Crown Point Court, canceling all units.

November 18, 2021 at 11:03 AM Commercial fire alarm on Crown Point Court in Grass Valley, units dispatched.

November 18, 2021 at 10:27 AM Reported smell of electrical wiring burning, no flames seen, in a home on Tokayana Way in Colfax, units dispatched.

November 18, 2021 at 9:48 AMLight showers late today and tomorrow. High snow levels, around 8,000 feet. Breezy northerly to northeasterly winds Saturday.

November 18, 2021 at 8:37 AM Abandoned vehicle, possible after a collision, on the right hand side at Burma Road and Meadow View Drive off Hwy 174. The roadway is clear.

November 18, 2021 at 8:15 AM Accident in Nevada City on Searls Ave and Argall Way.

November 18, 2021 at 8:13 AM Car broken down in the southbound lanes of Hwy 49 near the Independence Trailhead. Lane is blocked, use caution.

November 18, 2021 at 6:58 AM Aqi san jose now is a permissible burn day in western Nevada County.

Burn only natural vegetation that has been down at least 3 weeks and grew on the property where you are burning. Never burn garbage, construction debris, painted wood, plastic etc. (burning such man-made materials releases highly toxic pollutants). For best smoke dispersion, recommended burn hours are 9 AM to 3 PM. 

A CAL FIRE burn permit is not required at this time.

Burning is always prohibited inside the city limits of Nevada City and Grass Valley. 

Truckee Area / Eastern Nevada County:

For best smoke dispersion, recommended burn hours are 9 AM to 3 PM.  Inside the Truckee Fire Protection District, burning is restricted to daylight hours only.

A CAL FIRE Burn Permit (available at https://burnpermit.fire.ca.gov/) or a permit issued by the Truckee Fire Protection District is always required in the Truckee area.

November 17, 2021 at 4:23 PM Wrong way driver did a U-turn on Hwy 49, heading towards Nevada City. Law enforcement has stopped the car, traffic break is being lifted.

November 17, 2021 at 4:21 PM Wrong way driver on southbound Hwy 49 just past Gold Flat heading towards Brunswick. Use extreme caution.

November 17, 2021 at 3:51 PM Bovine stroll alert! 4-5 cows and a bull on an afternoon stroll near the intersection of Perimeter Road and McCourtney Road. The area is considered open land, and the bovines appear to know it.

November 17, 2021 at 3:12 PM Nevada County Public Health reports 34 new, confirmed COVID-19 cases today. Out of 9,414 cases since the start of the pandemic, 198 are active. Eleven people are hospitalized – four in ICU.

131,863 vaccine doses have been administered to Nevada County residents.

57,529 Nevada County residents are fully vaccinated, 64.6% of the eligible population.

New cases by age

Age groupCasesDifference
0-171,4000
18-291,581+5
30-391,704+7
40-491,317+3
50-641,832+3
65+1,577+4

November 17, 2021 at 2:17 PM Power outage affecting 55 customers in Peardale on Meadow Drive to Peardale Road. Estimated time of restoration is 4:45 pm. Crews are at scene, thanks to reader Peter for the heads up.

November 17, 2021 at 2:15 PM A school bus with kids on board is reportedly stuck in a ditch on Newtown Road near Beckville Road. The roadway is blocked.

November 17, 2021 at 9:55 AM Solo vehicle accident on Alexandra Way in Alta Sierra. Car off the roadway, into the side of a garage. Units dispatched.

November 17, 2021 at 8:18 AMChance of rain continues to evaporate. A weak and rather disorganized southern stream trough moves through later Thursday into Friday and may bring some light precipitation mainly north of I-80. Amounts are expected to be very light with little or no snow impacts across the passes. Dry weather returns for Saturday with north wind limiting fog development.

November 17, 2021 at 7:39 AM The structure fire on Stotler Ave off Sweetland Road in North San Juan has been fully contained. Remaining resources will be committed for another hour.

November 17, 2021 at pnc bank auto loan payment customer service AM Today is a permissible burn day in western Nevada County.

Burn only natural vegetation that has been down at least 3 weeks and grew on the property where you are burning. Never burn garbage, construction debris, painted wood, plastic etc. (burning such man-made materials releases highly toxic pollutants). For best smoke dispersion, recommended burn hours are 9 AM to 3 PM. 

A CAL FIRE burn permit is not required at this time.

Burning is always prohibited inside the city limits of Nevada City and Grass Valley. 

Truckee Area / Eastern Nevada County:

For best smoke dispersion, recommended burn hours are 9 AM to 3 PM.  Inside the Truckee Fire Protection District, burning is restricted to daylight hours only.

A CAL FIRE Burn Permit (available at https://burnpermit.fire.ca.gov/) or a permit issued by the Truckee Fire Protection District is always required in the Truckee area.

November 16, 2021 at 7:41 PM Reader Sean reports debris in the roadway on Idaho-Maryland Road going towards Brunswick. Use caution and reduce your speed.

November 16, 2021 at state bank of cross plains PM The kids-only vaccination clinic at the Vets Hall welcomed 350 kids today. The ‘beneficial insects’ from Public Health were supported by local pediatricians, nurses, hospital staff and a juggler!

November 16, 2021 at 4:41 PM Nevada County Public Health reports 47 new, confirmed COVID-19 cases today. Out of 9,392 cases since the start of the pandemic, 199 are active. Ten people are hospitalized – three in ICU.

130,931 vaccine doses have been administered to Nevada County residents.

57,483 Nevada County residents are fully vaccinated, 64.5% of the eligible population over the age of 12.

New cases by age

Age groupCasesDifference
0-171,400+7
18-291,576+3
30-391,697+9
40-491,314+5
50-641,829+8
65+1,573+13

November 16, 2021 at 10:28 AM A must read from Daniel Swain: Following record-wet October in NorCal, much drier & warmer conditions to persist for foreseeable future. For the first time in quite a few heritage for the future characters, this was not an autumn of fire in California. Instead, the weather has been characterized by quite wet conditions in the northern 1/3 of the state–but nearly all that impressive autumn precipitation fell during a single 2-day storm event in October. That extreme atmospheric river event, which was the subject of the last blog post–broke numerous daily and some October monthly rainfall records throughout NorCal. Sacramento, for instance, experienced its single wettest calendar day on record since the 1800s. Despite this objectively extreme precipitation, resultant flooding was quite modest by comparison thanks to the antecedent extreme soil dryness and low river levels (courtesy of the early calendar date and the ongoing historic drought). This was–without a doubt–an example of an extreme precipitation event that was not a disaster given the context that surrounded it: it’s pretty clear this very intense storm brought more drought-mitigating benefits than flood-caused harms. Still nearly all of NorCal, as of this writing, is still classed as experiencing severe to exceptional drought conditions–a designation that was only slightly reduced by all that October water. Read the full post here: https://weatherwest.com/archives/11748

November 16, 2021 at 9:57 AM Traffic hazard on westbound Hwy 20 and Rough and Ready Hwy – a “commercial rake in the #1 lane,” according to the CHP log.

November 16, 2021 at 9:32 AMBreezy today, light showers Thursday and Friday. Breezy northerly winds today in the Sacramento Valley. Light rain showers and pass level snow showers Thursday & Friday.

November 16, 2021 at 7:31 AM Today is a permissible burn day in western Nevada County.

Burn only natural vegetation that has been down at least 3 weeks and grew on the property where you are burning. Never burn garbage, construction debris, painted wood, plastic etc. (burning such man-made materials releases highly toxic pollutants). For best smoke dispersion, recommended burn hours are 9 AM to 3 PM. 

A CAL FIRE burn permit is not required at this time.

Burning is always prohibited inside the city limits of Nevada City and Grass Valley. 

Truckee Area / Eastern Nevada County:

For best smoke dispersion, recommended burn hours are 9 AM to 3 PM.  Inside the Truckee Fire Protection District, burning is restricted to daylight hours only.

A CAL FIRE Burn Permit (available at https://burnpermit.fire.ca.gov/) or a permit issued by the Truckee Fire Protection District is always required in the Truckee area.

November 15, 2021 at 5:09 PM The overturned vehicle is in the Oregon Street bridge, not on Hwy 49.

November 15, 2021 at aqi san jose now PM Overturned vehicle on Hey 49 at Moonshine Road, blocking the roadway near Oregon Creek bridge. Units at scene.

November 15, 2021 at 3:46 PM Reported wildfire in the vicinity of Wolf Creek Road and Black Oak Lane in Alta Sierra Ranches. Firefighters at scene found a pile of smoldering cardboard boxes. Canceling all incoming units.

November 15, 2021 at 2:35 PM Nevada County Public Health reports 38 new, confirmed COVID-19 cases today. Out of 9,347 cases since the start of the pandemic, 154 are active. Nine people are hospitalized – five in ICU.

130,539 vaccine doses have been administered to Nevada County residents.

57,458 Nevada County residents are fully vaccinated, 64.5% of the eligible population over the age of 12.

New cases by age

Age groupCasesDifference
0-171,393+6
18-291,573+6
30-391,688+7
40-491,309+5
50-641,821+8
65+1,560+4

November 15, 2021 at 12:55 PM Possible semi truck fire on Hwy 20 near Poker Flat, smoke reportedly coming from under the hood. Units dispatched.

November 15, 2021 at 10:50 AM Golf cart vs vehicle on Lake Wildwood and Pleasant Valley Road in Penn Valley, no injuries reported.

November 15, 2021 at 9:35 AMWindy Tuesday, showers possible Thursday and Friday. Breezy northerly winds Tuesday in the Sacramento Valley. Widespread potential for light rain and pass level snow Thursday & Friday.

November 15, 2021 at 8:51 AM

November 15, 2021 at 8:03 AM There is no ETA for reopening Hwy 20 near Melody at this time. Emergency services are at scene, major injuries reported.

November 15, 2021 at 7:30 AM Two-car accident on westbound Hwy 20 at Melody Road, roadway is blocked. Emergency services dispatched.

November 15, 2021 at 7:03 AM Today is a permissible burn day in western Nevada County.

Burn only natural vegetation that has been down at least 3 weeks and grew on the property where you are burning. Never burn garbage, construction debris, painted wood, plastic etc. (burning such man-made materials releases highly toxic pollutants). For best smoke dispersion, recommended burn hours are 9 AM to 3 PM. 

A CAL FIRE burn permit is not required at this time.

Burning is always prohibited inside the city limits of Nevada City and Grass Valley. 

Truckee Area / Eastern Nevada County:

For best smoke dispersion, recommended burn hours are 9 AM to 3 PM.  Inside the Truckee Fire Protection District, burning is restricted to daylight hours only.

A CAL FIRE Burn Permit (available at https://burnpermit.fire.ca.gov/) or a permit issued by the Truckee Fire Protection District is always required in the Truckee area.

November 14, 2021 at 3:22 PM Units dispatched for a possible car fire on Hwy 20 at Willow Valley Road.

November 14, 2021 at 12:22 PM A lamb is running in the roadway on Hwy 20 near Melody Road. Slow down! Please.

November 14, 2021 at 9:01 AM Motorcycle accident on Rough and Ready Hwy near Ironclad Road, units dispatched.

November 14, 2021 at 8:48 AM Today is a No Burn day in Nevada County due to forecast poor smoke dispersion.

November 13, 2021 at 1:31 PM Winky, the little Chihuahua who slipped out last night in the Brunswick Basin has been found. Thanks to reader Kelly for alerting us in the first place and sharing the good news!

November 13, 2021 at 9:35 AM A small Chihuahua is running along the center divide on southbound Hwy 49 between Brunswick and Gold Flat. Please watch out for the tiny pup!

November 13, 2021 at 8:18 AM Power outage affecting 156 customers along McCourtney Road. PG&E crew at scene, estimated time of restoration is 10:00 am.

November 13, 2021 at 7:53 AM Today is a No Burn day in Nevada County due to poor smoke dispersion forecast.

November 12, 2021 at 8:19 PM If you are in the area of Nevada City Hwy and the shopping center, especially near Asian Garden and YubaDocs, keep an eye out for a black chihuahua – with a little white on her face. She responds to “Winky” and her dog mom is searching for her. If you find Winky, please call 530-559-3141.

November 12, 2021 at 3:35 PM Nevada County Public Health reports 34 new, confirmed COVID-19 cases today. Out of 9,311 cases since the start of the pandemic, 169 are active. Twelve people are hospitalized – three in ICU.

129,240 vaccine doses have been administered to Nevada County residents.

57,305 Nevada County residents are fully vaccinated, 64.3% of the eligible population.

New cases by age

Age groupCasesDifference
0-171,387+6
18-291,5670
30-391,681+8
40-491,304+4
50-641,813+10
65+1,556+1

November 12, 2021 at 2:03 PM Non-injury accident on southbound Hwy 49 at Lime Kiln Road, the roadway is clear and emergency services are at scene.

November 12, 2021 at 10:55 AM The Dense Fog Advisory for Sierra, Placer County, Yuba County, El Dorado County has been canceled. Dense fog has begun to dissipate, so the Dense Fog Advisory will be allowed to expire. However, patchy fog remains possible in the Valley for the next few hours, so motorists are urged to continue to be alert for sudden changes in visibility.

November 12, 2021 at 9:21 AM Last night, a break in occurred at the Oridgenal Thrift store on the San Juan Ridge. Owner Hope Holme reported the break in to the Sheriff’s Office and is asking the community to be on the lookout for items taken from the store, including alpaca blankets (queen size, aztec design), a large assortment of crystals and minerals, particularly expensive (moldavite clusters, amethyst clusters), and an array of locally made Native American items. You can contact NCSO at 530-265-1471.

November 12, 2021 at 8:46 AM Power outage affecting 110 customers along Indian Springs Road and Long Valley Road is scheduled maintenance. Estimated time of restoration is 4:00 pm today.

November 12, 2021 at 7:25 AM Today is a No Burn Day in Nevada County.

November 11, 2021 at 5:00 PM Power outage affecting 114 customers in south county from Magnolia Road to Pioneer Way. Estimated time of restoration is 8:00 pm.

November 11, 2021 at 10:57 AMDry and mild at least through the weekend. Travel delays in areas of fog with low visibility at times.

November 11, 2021 at 10:38 AM Two dogs are running in the roadway near Bush Road and Rock Creek Road in the North Bloomfield area. They’re both young, dark brindled and look to be approximately one year old. If you are missing your pups, please go look for them.

November 10, 2021 at 7:11 PM Vehicle into a ditch on East Brookview Drive off Lower Colfax Road, units dispatched.

November 10, 2021 at 3:29 PM Nevada County Public Health reports 14 new, confirmed COVID-19 cases today. Out of 9,282 cases since the start of the pandemic, 165 are active. Twelve people are hospitalized – one in ICU.

128,133 vaccine doses have been administered to Nevada County residents.

57,165 Nevada County residents are fully vaccinated, 64.2% of the eligible population.

New cases by age

Age groupCasesDifference
0-171,381+2
18-291,567-2
30-391,673+1
40-491,300+2
50-641,803+5
65+1,555+1

November 10, 2021 at 3:16 PM Semi truck with smoking brakes on Hwy 20 at Rough and Ready Hwy. No fire, just hot brakes.

November 10, 2021 at 12:52 PM The November 10, 2021 webinar on COVID in Nevada County is available for on-demand viewing.

November 10, 2021 at 10:52 AM Accident on Hwy 49 near the Bear River Bridge, car vs deer.

November 10, 2021 at 9:23 AM Accident on Hwy 49 at La Barr Meadows Road, car is off the roadway and driver is out of the vehicle.

November 10, 2021 at 7:07 AM Today is a permissible burn day in western Nevada County.

Burn only natural vegetation that has been down at least 3 weeks and grew on the property where you are burning. Never burn garbage, construction debris, painted wood, plastic etc. (burning such man-made materials releases highly toxic pollutants). For best smoke dispersion, recommended burn hours are 9 AM to 3 PM. 

A CAL FIRE burn permit is not required at this time.

Burning is always prohibited inside the city limits of Nevada City and Grass Valley. 

Truckee Area / Eastern Nevada County:

For best smoke dispersion, recommended burn hours are 9 AM to 3 PM.  Inside the Truckee Fire Protection District, burning is restricted to daylight hours only.

A CAL FIRE Burn Permit (available at https://burnpermit.fire.ca.gov/) or a permit issued by the Truckee Fire Protection District is always required in the Truckee area.

November 9, 2021 at 5:16 PM Nevada County Public Health reports 69 new, confirmed COVID-19 cases today. Out of 9,273 cases since the start of the pandemic, 194 are active. Fourteen people are hospitalized – one in ICU.

127,475 vaccine doses have been administered to Nevada County residents.

57,112 Nevada County residents are fully vaccinated, 64.1% of the eligible population.

New cases by age

Age groupCasesDifference
0-171,379+8
18-291,569+13
30-391,672+9
40-491,298+13
50-641,798+14
65+1,554+12

November 9, 2021 at 4:06 PM Vehicle vs tree on Hwy 49, 3 miles past Newtown Road near Crooked Arrow Lane. Units at scene.

November 9, 2021 at 1:17 PM Sharing the best spot.

Turkeys hanging out

November 9, 2021 at 12:40 PM An unspecified traffic hazard on eastbound Lime Kiln Road near Duggans Road, use caution in the area.

November 9, 2021 at 8:58 AMShowers and gusty winds continue today. Morning Valley fog development possible tomorrow – the weekend. Dry and warming temperatures late week.

November 9, 2021 at 8:27 AM Vehicle vs tree on Hwy 20 at Rough and Ready Hwy, units americas tire concord 9, 2021 at 7:43 AM Today is a permissible burn day in western Nevada County.

Burn only natural vegetation that has been down at least 3 weeks and grew on the property where you are burning. Never burn garbage, construction debris, painted wood, plastic etc. (burning such man-made materials releases highly toxic pollutants). For best smoke dispersion, recommended burn hours are 9 AM to 3 PM. 

A CAL FIRE burn permit is not required at this time.

Burning is always prohibited inside the city limits of Nevada City and Grass Valley. 

Truckee Area / Eastern Nevada County:

For best smoke dispersion, recommended burn hours are 9 AM to 3 PM.  Inside the Truckee Fire Protection District, burning is restricted to daylight hours only.

A CAL FIRE Burn Permit (available at https://burnpermit.fire.ca.gov/) or a permit issued by the Truckee Fire Protection District is always required in the Truckee area.

November 8, 2021 at 10:48 PM Non-injury accident on Cascade Crossing Road at Combie Road. Vehicle off the roadway.

November 8, 2021 at 4:26 PM Non-injury accident on Hwy 49 at Running M Drive. Overturned vehicle on the right-hand side.

November 8, 2021 at 3:36 PM Nevada County Public Health reports 50 new, confirmed COVID-19 cases today. Out of 9,204 cases since the start of the pandemic, 132 are active. Fifteen people are hospitalized – one in ICU.

127,167 vaccine doses have been administered to Nevada County residents.

57,101 Nevada County residents are fully vaccinated, 64.1% of the eligible population.

New case by age

Age groupCasesDifference
0-171,371+7
18-291,556+6
30-391,663+15
40-491,285+3
50-641,784+7
65+1,542+12

November 8, 2021 at 1:57 PM A dog is running on northbound Hwy 49 at Alta Sierra Drive – watch for the pup please.

November 8, 2021 at 11:43 AM An infrequent visitor, this sweet-looking (Northern) Black Phoebe is part of the Tyrant Flycatchers family.

Black Phoebe (Sayornis nigricans)

November 8, 2021 at 10:56 AM Traffic hazard at the Nevada City Hwy and Banner Lava Cap Road intersection. “Dozens of household batteries/blocking the intersection,” according to the CHP log. Use caution. Batteries can be recycled for free with your household waste, put them in a clear plastic bag on top of your container. Props for replacing the batteries in smoke detectors, boo hiss for littering.

November 8, 2021 at 9:45 AMRain, wind and mountain snow this evening through Tuesday. Moderate-strength system to bring rain, mountain snow, and wind this evening – tomorrow. Dry and warming temperatures late week.

November 8, 2021 at 9:22 AM Accident on the 16000 block of You Bet Road, units dispatched.

November 8, 2021 at 8:46 AM Defective traffic signals at Brunswick near the northbound on ramp of Hwy 49. Use caution and patience.

November 8, 2021 at 6:50 AM Today is a permissible burn day in western Nevada County.

Burn only natural vegetation that has been down at least 3 weeks and grew on the property where you are burning. Never burn garbage, construction debris, painted wood, plastic etc. (burning such man-made materials releases highly toxic pollutants). For best smoke dispersion, recommended burn hours are 9 AM to 3 PM. 

A CAL FIRE burn permit is not required at this time.

Burning is always prohibited inside the city limits of Nevada City and Grass Valley. 

Truckee Area / Eastern Nevada County:

For best smoke dispersion, recommended burn hours are 9 AM to 3 PM.  Inside the Truckee Fire Protection District, burning is restricted to daylight hours only.

A CAL FIRE Burn Permit (available at https://burnpermit.fire.ca.gov/) or a permit issued by the Truckee Fire Protection District is always required in the Truckee area.

November 8, 2021 at 6:47 AM Accident on You Bet Road at Mule Canyon, solo vehicle off the roadway near the creek, Units dispatched.

November 7, 2021 at 8:41 AM Don’t forget the Bridge of Giving today from 10-3 at the South Yuba bridge benefitting the Food Bank. Thank you Pamela for your tireless work for 16 years!

November 6, 2021 at 12:16 PM Accident on Purdon Road and Montezuma Lane on the San Juan Ridge, units dispatched.

November 6, 2021 at 10:48 AMUnsettled today, wetter storm late Monday – Tuesday. Light rain and mountain snow showers today and into the late evening hours. Winter Weather Advisory issued for the northern Sierra and southern Cascades from 11 AM today to midnight tonight.

November 6, 2021 at 10:40 AM Set those clocks back one hour tonight, sleep in and remember to check the batteries in smoke detectors. Daylight Saving Time ends tonight.

November 6, 2021 at 10:02 AM A cow is taking a weekend stroll on Wolf Road near Garden Bar Road. Unknown if she’s trying to meet up with another cow wandering on Pleasant Valley Road near Hwy 49 at Petersons Corner on the San Juan Ridge. Use caution and remember they don’t know the rules of the road.

November 5, 2021 at 11:50 PM Tree down close to the fog line on westbound Hwy 20 at the Empire Street off ramp. Caltrans has been notified.

November 5, 2021 at 5:19 PM Four dogs in the roadway on Green Ridge Drive off Todd Valley Road. No sled seen. Please use caution in the area.

November 5, 2021 at 3:52 PM Nevada County Public Health reports 27 new, confirmed COVID-19 cases today. Out of 9,154 cases since the start of the pandemic, 133 are active. Fourteen people are hospitalized – two in ICU.

125,989 vaccine doses have been administered to Nevada County residents.

56,908 Nevada County residents are fully vaccinated, 63.9% of the eligible population.

New cases by age

Age groupCasesDifference
0-171,364+10
18-291,550+3
30-391,648+3
40-491,282+4
50-641,777+2
65+1,530+7

November 5, 2021 at 2:52 PM

November 5, 2021 at 11:36 AM CHP is reporting a chemical spill from a tanker truck on eastbound I-80 near the Donner Lake off ramp. The liquid splashed out of the tanker.

November 5, 2021 at 11:33 AMShowers tonight-Saturday, wetter system early next week. Light rain and high elevation mountain snow late tonight and into Saturday. Potential for stronger system late Monday/Tuesday, the system is trending wetter compared to previous forecasts.

November 5, 2021 at 7:57 AM Today is a permissible burn day in western Nevada County.

Burn only natural vegetation that has been down at least 3 weeks and grew on the property where you are burning. Never burn garbage, construction debris, painted wood, plastic etc. (burning such man-made materials releases highly toxic pollutants). For best smoke dispersion, recommended burn hours are 9 AM to 3 PM. 

A CAL FIRE burn permit is not required at this time.

Burning is always prohibited inside the city limits of Nevada City and Grass Valley. 

Truckee Area / Eastern Nevada County:

For best smoke dispersion, recommended burn hours are 9 AM to 3 PM.  Inside the Truckee Fire Protection District, burning is restricted to daylight hours only.

A CAL FIRE Burn Permit (available at https://burnpermit.fire.ca.gov/) or a permit issued by the Truckee Fire Protection District is always required in the Truckee area.

November 4, 2021 at 5:05 PM Nevada County Public Health reports 5 new, confirmed COVID-19 cases today. Out of 9,125 cases since the start of the pandemic, 129 are active. Twelve people are hospitalized – two in ICU. One additional fatality has been recorded, bringing the total death toll to 105.

125,671 vaccine doses have been administered to Nevada County residents.

56,839 Nevada County residents are fully vaccinated, 63.8% of the eligible population.

New case by age

Age groupCasesDifference
0-171,3540
18-291,547+1
30-391,645+1
40-491,2780
50-641,775+1
65+1,523+2

November 4, 2021 at 4:30 PM Vehicle into the center divide o Hwy 49 at the Bennett Street off ramp.

November 4, 2021 at 4:00 PM Look who’s still hanging around in the area, this time near Mazanita Diggins and Hwy 20.

November 4, 2021 at 12:10 PM Non-injury accident on Hwy 49 at Combie. The roadway is clear.

November 4, 2021 at 9:36 AMShowers today, wetter weather early next week. Rain and high elevation mountain snow late Friday – Saturday. Then, rain and mountain snow chances Monday – Tuesday.

November 4, 2021 at 8:29 AM Tree branches in the roadway on northbound Hwy 49 in the Golden Oaks area. Motorists are swerving, according to a reader report. Use caution in the area.

November 4, 2021 at 7:45 AM Non-injury accident on Wolf Road near Hwy 49. The roadway is clear.

November 4, 2021 at 7:42 AM Today is a permissible burn day in western Nevada County.

Burn only natural vegetation that has been down at least 3 weeks and grew on the property where you are burning. Never burn garbage, construction debris, painted wood, plastic etc. (burning such man-made materials releases highly toxic pollutants). For best smoke dispersion, recommended burn hours are 9 AM to 3 PM. 

A CAL FIRE burn permit is not required at this time.

Burning is always prohibited inside the city limits of Nevada City and Grass Valley. 

Truckee Area / Eastern Nevada County:

For best smoke dispersion, recommended burn hours are 9 AM to 3 PM.  Inside the Truckee Fire Protection District, burning is restricted to daylight hours only.

A CAL FIRE Burn Permit (available at https://burnpermit.fire.ca.gov/) or a permit issued by the Truckee Fire Protection District is always required in the Truckee area.

November 3, 2021 at 8:29 PM Units have thoroughly searched Mooney Flat Road. No car accident found, this will be classified under unable to locate. All units are returning to their stations.

November 3, 2021 at 8:19 PM Vehicle accident on Mooney Flat Road, reported as heard only collision. Units dispatched.

November 3, 2021 at 5:34 PM Nevada County Public Health reports 37 new, confirmed COVID-19 cases today. Out of 9,120 cases since the start of the pandemic, 157 are active. Ten people are hospitalized – three in ICU.

125,234 vaccine doses have been administered to Nevada County residents.

56,779 Nevada County residents are fully vaccinated, 63.7% of the eligible population.

New cases by age

Age groupCasesDifference
0-171,354+6
18-291,546+7
30-391,644+3
40-491,278+5
50-641,774+5
65+1,521+6

November 3, 2021 at 9:11 AMShowers tonight into early Thursday, wetter weather next week with rain and snow. Widespread rain chances tonight into Thursday. Wetter weather system to bring widespread snow through midweek, heaviest Monday into Tuesday. Snow levels 5000 – 6000 feet with up to 1-2 feet possible over mountain passes.

November 3, 2021 at 8:59 AM Accident on northbound Hwy 49 just south of McKnight. Two cars involved, in the slow lane.

November 3, 2021 at 8:58 AM Non-injury accident on Hwy 49 at Christian Life Way, units at scene.

November 3, 2021 at 8:49 AM Accident on Hwy 20 just west of Rough and Ready Hwy.

November 3, 2021 at 8:00 AM Today is a permissible burn day in western Nevada County.

Burn only natural vegetation that has been down at least 3 weeks and grew on the property where you are burning. Never burn garbage, construction debris, painted wood, plastic etc. (burning such man-made materials releases highly toxic pollutants). For best smoke dispersion, recommended burn hours are 9 AM to 3 PM. 

A CAL FIRE burn permit is not required at this time.

Burning is always prohibited inside the city limits of Nevada City and Grass Valley. 

Truckee Area / Eastern Nevada County:

For best smoke dispersion, recommended burn hours are 9 AM to 3 PM.  Inside the Truckee Fire Protection District, burning is restricted to daylight hours only.

A CAL FIRE Burn Permit (available at https://burnpermit.fire.ca.gov/) or a permit issued by the Truckee Fire Protection District is always required in the Truckee area.

November 3, 2021 at 7:41 AM Accident on Hwy 20 near Scotts Flat Road, the roadway is clear.

November 3, 2021 at 7:33 AM TNF Yuba River North firefighters will continue their prescribed burn in the Plum Division on Pliocene Ridge in the Pike City area today. The goal is 50 acres of machine piles. Yuba South is continuing on the JJJ unit below White Cloud and plans on at least 10 acres.

November 2, 2021 at 7:09 PM Medics are leaving the scene of a solo motorcycle accident on East Main Street to transfer the patient to an air ambulance that will land at Bethel Church on Hwy 49. Emergency services remain at scene, on East main, major traffic issues. Avoid the area if possible.

November 2, 2021 at 5:32 PM A Great Pyrenees has been found on Highland Drive off Rattlesnake Road. Wearing a red collar with no tags, the pup would be better back with their owners. Call Rachel at 530-798-3947 to arrange reunification.

November 2, 2021 at 3:47 PM Did you and only you lose power? A reader alerted us to a new type of power outage – the “single customer outage.” PG&E’s website has this cryptic announce: “Due to a technical issue, a series of single customer outages are being experienced system wide. PG&E teams are currently working to resolve the issues. We expect power to be restored in a few hours. We appreciate your patience.” Throughout their territory, PG&E reports some 3,434 unplanned outages. Currently 28 single customer outages in Nevada County, 165 in Placer, 36 in Yuba, 66 in El Dorado and so on.

November 2, 2021 at 12:50 PM Yuba River North fire team has finished the piles on Pendola Ranch Road and are starting ignition of the machine piles on Baker Ranch Road.

November 2, 2021 at 12:10 PM The pup’s owners have reclaimed him, all is well. Thanks to reader Joanna for caring!

November 2, 2021 at 11:46 AM This intact male dog has been found on North Bloomfield just outside of Nevada City. If he is yours, please call Joanna at 850-449-1244.

November 2, 2021 at 9:32 AM Solo vehicle accident on Round Valley Circle in the Alta Sierra area.

November 2, 2021 at 8:42 AM TNF prescribed burns: South Yuba is looking at burning today in the Western Nevada County Community Defense Plan (WNCCDP) unit JJJ. This unit is located below White Cloud station. The plan is to go for 10 acres today and if all goes well continue tomorrow for more acres. The other pile burn will be at Garden Valley, below Pendola and will continue tomorrow if conditions are favorable.

November 2, 2021 at 8:07 AMLight showers mid to late week, unsettled weather next week with rain and snow. Widespread rain chances Wednesday night into Thursday. Unsettled next week with widespread rain and snow.

November 2, 2021 at 7:48 AM Today is a permissible burn day in western Nevada County.

Burn only natural vegetation that grew on the property where you are burning.  Never burn garbage, construction debris, painted wood, plastic etc. (burning such man-made materials releases highly toxic pollutants). For best smoke dispersion, recommended burn hours are 9 AM to 3 PM. 

A CAL FIRE burn permit is not required at this time.

Burning is always prohibited inside the city limits of Nevada City and Grass Valley. 

Truckee Area / Eastern Nevada County:

For best smoke dispersion, recommended burn hours are 9 AM to 3 PM.  Inside the Truckee Fire Protection District, burning is restricted to daylight hours only.

A CAL FIRE Burn Permit (available at https://burnpermit.fire.ca.gov/) or a permit issued by the Truckee Fire Protection District is always required in the Truckee area.

Источник: https://yubanet.com/featured/now/

Air quality in San Jose

How bad is the air quality in San Jose?

In 2019, San Jose air quality averaged an overall US AQI rating of “good” and additionally met the more stringent World Health Organization (WHO) target for annual PM2.5 exposure of <10 μg/m3, with an average of 6.4 μg/m3. Only November exceeded this standard, with a monthly AQI average of 59 (“moderate”) and PM2.5 average of 15.9 μg/m3.


Past years have not been as clean. In 2018, San Jose AQI was 52 (“moderate”) exceeding both US Environmental Protection Agency (EPA) standards and the WHO annual target for PM2.5 by 2.4 μg/m3. In 2017, San Jose received an annual AQI rating of 43 (“good”) but still exceeded the more stringent WHO target by 0.4 μg/m3. 18 days in 2018 did not attain the national 24-hour limit for PM2.5 (35 µg/m3), while 3 days did not attain the national 8-hour ozone standard of 0.070 ppm.1


According to the State of the Air Report by the American Lung Association, San Jose (including the San Francisco and Oakland area) ranked 3rd for worst 24-hour particle pollution out of 216 U.S. metropolitan areas and 5th for worst annual particle pollution out of 204 U.S. metropolitan areas.2


For the Bay Area, San Jose fares slightly better, on average, than the aqi san jose now cities of Oakland and San Francisco for air pollution. Similar to these cities, gas-powered vehicles comprise the most significant air pollution source in San Jose. Daily emissions are commonly compounded as a result of environmental factors that contribute to the trapping of air pollution in the atmosphere, including marine inversions, abundant sunshine, and the surrounding mountains.


Air pollution can vary significantly throughout the day depending on various emission sources and environmental factors. Despite San Jose’s “good” annual air quality status in 2019, it’s important to stay informed of real-time and forecast air quality data in order to protect oneself and family from adverse health effects. Refer to the top of this page for San Jose’s forecast air quality data and real-time air quality data.

Has air quality improved in San Jose?

Over the last 50 years, since the Clean Air Act of 1970, San Jose’s air quality has improved significantly. Impactful regulations have included controls on unleaded gasoline, increasingly stringent vehicle emission checks, smokestack scrubbers on industrial exhaust systems, and emission limits, among numerous others affecting a wide range of industries.

San Jose is regarded as the heart of Silicon Valley and the United States tech industry. The city’s flourishing economic activity around technology has helped establish its position as the city with the highest median household income in the U.S. for its size.3 Perhaps unsurprisingly, San Jose’s relatively affluent and tech-savvy demographic has contributed to a large share of newer energy-efficient and electric cars on the road.


Currently, motor vehicles account for roughly 30% of San Jose’s fine particulate matter (PM2.5).4 As electric cars using cleaner energy become a larger share of vehicles on the road, it’s possible that this burden on the air will be greatly reduced.


San Jose already has the highest ownership of registered electric vehicles nationally at 21 percent, and this figure is increasing rapidly.5 In October 2019, the city council committed to investing $14 million more into electric vehicle charging stations in the hopes of growing electric vehicle ownership to 61 percent by 2030 and driving down transport related emissions.6


During the COVID-19 pandemic of 2020, traffic congestion in San Jose fell by 70%.4 The Bay Area Air Quality Management District (BAAQMD) estimated that this effect contributed to a 20% reduction in PM2.5 pollution and a 40% reduction of nitrogen oxides, a precursor pollutant to ozone and smog. These air quality reductions provide a window into what can be achieved by moving towards cleaner energy and reduced traffic emissions.


Like much of the Bay Area, sporadic and unpredictable wildfires have the ability to greatly impact yearly data, obscuring pollution trends. From 2017 to 2018, for example, San Jose’s air pollution levels rose by 19.2% in response to a particularly severe wildfire season in 2018. From 2018 to 2019, air pollution fell by 48.3% due to a more average wildfire season during 2018. As global temperatures rise with climate change and droughts become more frequent, wildfires are expected to become more numerous and severe in the future. This phenomenon could counteract gains made by shifting to cleaner energy and transport.

Why does San Jose have unhealthy air quality?

San Jose and the surrounding Bay area have some of the worst air quality in the United States despite relatively few power plants and industrial businesses, shifts towards cleaner energy, and a quickly evolving transportation sector with a growing share of electric vehicles.


City-wide emissions are primarily from mobile sources, including cars, heavy-duty trucks, planes, and ships from nearby ports. Wildfires, though temporary and sporadic, contribute to large air pollution spikes and are commonly the reason that air quality in San Jose reaches “unhealthy” or worse levels. San Jose’s most polluted month of 2019 was November because of nearby wildfires, particularly the Kincade Fire.


Outside of daily emission sources, San Jose’s environment can be problematic in dispersing air pollution. The city’s location on the southern shore of the San Francisco Bay means that the local climate is often affected by marine inversions, a weather event describing cool surface-level ocean air trapped by warmer air above. Marine inversions can cause air pollution to accumulate and linger in the lower atmosphere until weather conditions change. The mountains surrounding the city can also have a similar effect, additionally exacerbating marine inversions.


Summertime heat, expected to worsen with climate change, is a contributor to high ozone levels in summer afternoons. Ozone is primarily formed in the atmosphere when ultraviolet radiation from the sun causes nitrogen oxides and VOCs to react. Nonattainment ozone days, days when ozone levels exceed air quality standards set by organizations like the EPA and state, in San Jose occur almost exclusively in the summer.


Use the air pollution map of San Jose to reveal real-time pollution concentrations and wind directions, and better understand the source of unhealthy air.

Is today a Spare the Air day in San Jose?

Spare the Air alerts are air quality advisories issued by the Bay Area Air Quality Management District (BAAQMD) indicating that current or forecast air pollution levels are unhealthy. During a San Jose Spare the Air alert, residents are recommended to both protect their health by reducing outdoor activity and protect their outdoor environment by reducing personal emissions.7


Spare the Air alerts correlate with the US air quality index (AQI) system and are usually dictated by high levels of PM2.5 or ozone pollution. When the San Jose AQI exceeds 100, “unhealthy for sensitive groups,” an alert is published. This correlates with either a PM2.5 concentration over 35.4 μg/m3 or an ozone concentration over 70 ppb.


In San Jose, Spare the Air alerts for PM2.5 pollution typically occur in the winter or during wildfire season. In 2019, for example, November was the most polluted month in San Jose as a result of the Kincade Fire that burned in Online trading academy brooklyn brooklyn ny 11217 County, which caused a Spare the Air alert to be issued as AQI levels reached 150 and higher, “unhealthy.”8 2020 saw the highest frequency of Spare the Air alerts in the Bay Area as a result of a record-breaking wildfire season, which caused 51 alerts by October alone.9


Spare the Air alerts for ozone pollution, on the other hand, occur more often in the summer when temperatures are hottest. This is because ozone is a pollutant created in the atmosphere when precursor pollutants react in sunlight and temperatures warmer than 84 degrees. The hotter the temperatures, the faster ozone is likely to form. Santa Clara County, of which San Jose is a part, experiences an average of 2.8 unhealthy ozone days per year.


Pollution levels forecasted to be “orange,” “red,” “purple,” or “maroon” indicate a Spare the Air alert. Use San Jose’s forecast air quality data at the top of this page to understand when Spare the Air alerts are likely to go into place. During such events, follow the recommended health precautions and avoid driving, woodburning, and barbecuing to help reduce your personal impact on the air.

Where is smoke in San Jose coming from?

Smoky air has become part of the new normal in the Bay Area, especially during the peak wildfire season that spans July through November. Within a recent five-year period (2015-2020), there have been 3 record-breaking wildfire seasons: 2017, 2018 and 2020. Several of California's largest wildfires in history have burned close to the Bay Area in recent years, including the largest fire in California history called the August Complex Fire (2020) and the third-largest called the SCU Lightning Complex Fire (2020).


Scientists attribute the aqi san jose now in wildfire activity in California and abroad to human-contributed climate change. As temperatures rise, more water is lost to evaporation, contributing to drier conditions. In recent years, wildfires near San Jose have ignited in wilderness areas all around the Bay Area. These fires are a threat not only to the environment but also to public health.


Smoke consists of deadly PM2.5, carbon monoxide, nitrogen dioxide, formaldehyde, and acetaldehyde. Breathing this combination of pollutants has been linked to hospital visits as a result of respiratory irritation and difficulty breathing as well as to more serious effects like reduced lung function, inflammation, bronchitis, heart failure, and even early death.


The IQAir air quality map of San Jose locates fires using NASA's Fire Information for Resource Management System (FIRMS) satellite observations. Understand where fires are burning, the direction of wind, and the density of nearby smoke. In recent years, fires in Mendocino, Humboldt, Glenn, Sonoma, Napa and Fresno have all caused significant spikes in air quality.


+ Article Resources

[1] Bay Area air pollution summary – 2018. (2018).
[2] State of the Air – 2020. (2020).
[3] Most populated cities in the U.S. - median household income 2018. (2019).
[4] Rogers P. (2020, March 23). Coronavirus: Bay Area air quality is improving as people stay home.
[5] Medina M. (2019, June 17). New study shows spike in Bay Area electric car sale.
[6] Hase G. (2019, October 22). City of San Jose plans to double electric car charging stations with $14 million investment.
[7] Spare the Air. (2020). What is Spare the Air? Bay Area Air Quality Management District.
[8] Rogers P. (2019, October 24). Smoke from Kincade Fire could blanket Bay Area. Bay Area News Group.
[9] Kirkwood K. (2020, October 10). Bay Area sees record number of Spare the Air alerts in 2020. KTVU.

Источник: https://www.iqair.com

Air quality in Lake Tahoe ranks worst in North America right now

Lake Tahoe has worst air in North America

On Tuesday morning, Lake Tahoe had the worst air quality in North America because of wildfire smoke.

TAHOE CITY, Calif. - The air quality in the Lake Tahoe Area on Tuesday morning was considered the worst in all of North America.

Air quality experts say the smoke from the Caldor Fire in El Dorado county has created dangerous, toxic air.

This week, readings on AirNow showed a 620 AQI in Tahoe City. The Air Quality Index goes up to 500. Anything above 500 is labeled as "beyond index."

But those same tests show the air quality in Tahoe has been changing almost daily during the past month, due largely to the winds. And there are still blue skies, and clear air, on many days around the lake.

MORE: Newsom requests presidential disaster declaration for California wildfires

Caldor Fire a top priority

The Caldor Fire is a top priority to beat as Cal Fire resources are running thin. James Torrez reports


This story was reported in Oakland, Calif. 

Источник: https://www.ktvu.com/news/air-quality-in-lake-tahoe-ranks-worst-in-north-america-right-now

How toxic wildfire smoke affects pregnant people

NAPA, Calif.—Sonny, a 10-month old, crawls through the tunnel of a playground surrounded by fresh cedar wood chips as the sun sets in October. His 4-year-old sister, Lenny, climbs the rungs of the jungle gym as their parents, Rebecca and Omar Chowaiki, keep watch.


"He is the happiest baby. He is so smiley," Rebecca Chowaiki said of her son. "We named him Sonny because it was a hard pregnancy, and we knew there would be some obstacles he needed to get over, so we wanted him to have a sunny disposition."

Sonny was diagnosed with a condition called bilateral clubfoot. A specialist put casts on his feet, he underwent surgery to cut his achilles tendon, and he wore orthotic shoes connected by a bar. He also received physical therapy for another condition called hypotonia, which meant he slouched when sitting and his head drooped. This amounted to months of medical appointments. "You just take it as it comes," his mother said.

Related: How wildfires impact your health

Smoking cigarettes during pregnancy can significantly increase the risk of a baby having clubfoot, but Sonny's mother has never smoked a cigarette. "We've been breathing in buildings burning for the last four years," she told EHN. "We've all been smoking in one way or another."

The sky is blue today, but the grass and shrubs are crisp as kindling. Officials declared red flag warnings in recent weeks, meaning the dry and windy conditions are perfect for wildfires to ignite and rapidly spread. "When that happens, we brace ourselves," Chowaiki said.

Since 2017, wildfires have swept Napa and nearby Sonoma each fall. The summers are hotter and last longer, and rain is less frequent. The fires have cast a thick fog state bank of cross plains smoke over the region, lasting for weeks or months. Chowaiki breathed the smoke in 2017, 2018, and 2019 leading up to Sonny's conception.

A hill rises behind the playground. Chowaiki can see it from her kitchen window. It's a source of anxiety for her — fires have reached the other side of the hill in previous years.

"It's really scary. There's a lot of PTSD. You go to aqi san jose now thinking: 'OK, if I have to wake up suddenly and I see the hill is on fire behind me, I'll tell my husband, you grab our daughter, I'll grab our son, and we'll just hope that the dogs follow us.' "

Chowaiki doesn't draw a direct link between Sonny's condition and the wildfires — "we don't live in a vacuum," she said — but she recently enrolled in a study at the University of California, Davis, that is examining birth outcomes of people exposed to wildfire smoke. After years of inhaling the stuff, she is curious how it affected her body and child.

Climate change-fueled fires in California are increasing in severity every year, blanketing the western U.S. and Canada in ominous smoke that can be seen from space. Since the 1970s, California's average summer temperatures have increased by 1.4 degrees Celsius, and the state has seen a five-fold increase in acreage burned, according to a Reuters data analysis. Some parts of California now experience double the number of fire weather days per year compared to the 1970s, according to Climate Central. Wildfire smoke is reaching further across the continent, as far as Toronto and New York in summer 2021. As both wildfires and populations grow, more people are exposed state bank of cross plains smoke that contains plastics, heavy metals from burned buildings and vehicles, and tiny, dangerous particles that can travel deep into the lungs and enter the bloodstream. Scientists know that wildfire smoke increases the risk of asthma for children, and heart disease, heart attack, stroke and death for adults.

Now scientists believe smoke and stress from wildfires also likely play a role in adverse pregnancy outcomes, such as low birth weight, preterm births — and even miscarriages.

Wildfire smoke and birth outcomes

wildfire smoke

Tinted orange by wildfire smoke from Oregon and southern Washington, the sun lowers behind a hill in Kalama, Washington on September 9, 2020. Across the state line, in Oregon, officials have given Level 3 "go now" evacuation notices to at least half of Clackamas County due to multiple wildfires. (Credit: David Ryder)

Each year, of the 3.75 million live births in the U.S., about 500,000 babies are born prematurely and 120,000 babies have birth defects, according to the US Centers for Disease Control and Prevention. Nonsmoking pregnant people who are exposed to tobacco smoke have a higher risk of preterm birth, low birthweight, and miscarriage, the CDC says. Air pollution can also contribute to low birthweight or preterm birth, even at levels below the federal Environmental Protection Agency's standards.

About an hour's drive from Napa, scientists are investigating whether to add wildfire smoke to the list of risk factors for adverse birth outcomes. In the city of Davis, California, about 4,000 rhesus macaques, a primate roughly the size of a housecat, live in dozens of outdoor cages as big as gymnasiums. Since the 1960s, the California National Primate Research Center has studied the monkeys because they are biologically close to humans. But recently the primates became the subject of unplanned research released in September.

In November 2018, at the peak of monkey mating season, smoke from the Camp Fire about 100 miles away cloaked the cages. Researchers followed the monkeys' pregnancies, and when it was time to give birth in the spring, they found the primates exposed to smoke had a higher rate of miscarriages.

In the nine previous years, the monkeys breathing clean air had an average live birth rate of 90%. The monkeys exposed to wildfire smoke in 2018 had a live birth rate of 82%— an 8% drop.

Bryn Willson, an OB/GYN resident at UC Davis and lead researcher on the primate paper, told EHN she was surprised the effect wasn't worse. "There were still several primates that got hdfc netbanking credit card login right at the peak of poor air quality, and they went on to deliver healthy [babies]," she told EHN. Willson said another team of researchers plans to follow the monkeys born after the 2018 wildfires to see how the smoke affects them long-term.

The monkey study is part of an emerging body of research.

wildfire smoke

A crow is silhouetted by the sun, which is tinted orange from wildfire smoke, on September 11, 2020 in Medford, Oregon. Hundreds of homes in nearby towns have been lost due to wildfire. (Credit: David Ryder)

In 2012, UC Berkeley scientists found that the 2003 southern California wildfires were associated with a slightly reduced birth weight, and in 2019, research by the Colorado School of Public Health linked wildfire smoke to preterm births. Low birth weight is associated with a higher risk of infant mortality, and disease or inhibited cognitive development later in life. Babies born too early can have learning disabilities and visual and hearing conditions, according to the World Health Organization.

New research suggests wildfire smoke may increase the risk of miscarriages for humans, too.

In an unpublished paper currently under peer review, Stanford researchers looked at data to see if the apocalyptic 2020 wildfire smoke that turned day to night on the west coast correlated with the number of people experiencing miscarriages at the Stanford ER near San Jose, California. Compared to years with no smoke, they found that the likelihood of a lost pregnancy during the 2020 wildfire smoke event increased by 29%.

"They're big numbers," Marshall Burke, who co-authored the paper with lead researcher Bibek Paudel, told EHN. Burke also contributed to a previous paper that found that one day of medium- to high-intensity wildfire smoke exposure increased the likelihood of preterm birth by 1%, meaning that two weeks of exposure led to a 14% increase in likelihood of preterm birth. "It's consistent with our other paper," he said of the ER data. "In-utero exposure to wildfire smoke can dramatically worsen birth outcomes."

Burke said it's "absolutely possible" that smoke contributed to Sonny's condition, and Chowaiki is right to be curious. "I don't think we have the smoking gun study on birth defects in particular, but everything we've found about the effects of wildfire smoke on pregnancy outcomes suggests that it could have a range of negative outcomes."

While policy changes over the last 30 years have decreased dangerous air pollution from vehicles and industry in California, Burke said megafires are now contributing a larger proportion of that poor air quality — about half the air pollution in the state. "The state overall has seen pretty impressive declines in exposures to these pollutants, [but] wildfires are pushing in the other direction," Burke said. "They are increasing exposures again."

What does wildfire smoke do to our bodies?

Rebecca Schmidt, associate professor at the UC Davis School of Medicine, is in the midst of a study following people who were pregnant during the megafires in 2017, 2018, 2019, and 2020. Chowaiki enrolled in her study.

"Our hope is to be able to follow the kids from these pregnancies as they get older and look at various outcomes, because there has been very little done [on respiratory outcomes later in life]," Schmidt told EHN.

Schmidt is sampling participants' hair for heavy metals that could be from the wildfires. She is also collecting placentas for testing.

An Australian doctor found that placentas of people who were pregnant during wildfires looked similar to those of people who had smoked a pack a day of cigarettes, but Schmidt hasn't seen anything like that in California placentas. "It hasn't been replicated yet, and it was a small study, but it does give pause on, is this something we should be concerned about?" she said.

Scientists don't know how wildfire smoke might affect fetuses in the womb, but they have some theories.

Similar to cars and industrial plants, wildfires emit tiny particles like PM 2.5 and PM 0.1 that are so small they can cross from the lungs into the bloodstream and travel all over the body. "They tend to give rides to other contaminants," Schmidt said. "Things like heavy metals piggyback on those small particles and also get deep into the lungs and other places. And that causes inflammation. In general it's not good to have inflammation for health."

Schmidt said inflammation from infection can disrupt the placenta and lead to issues like preterm delivery, low birth weight, and stillbirth.

Willson has a theory, too. The Camp Fire that blanketed the monkey cages in smoke was the most destructive fire in California history, incinerating more than 18,000 buildings. Sampling from the Camp Fire smoke showed it contained oxidized organic material from burnt trees and also phthalates, which are known to disrupt endocrine pathways in the body, affecting metabolism and damaging DNA, from burnt furniture and buildings. Phthalates have been linked to abnormal fetal development and adverse outcomes after birth.

"When buildings are burned and furniture is burned, you release into the atmosphere other toxic compounds that include things like phthalates, which we know are not good for humans to breathe in," Willson said.

Willson said pollutants like PM 2.5, PM 0.1, and phthalates may cross the placenta, but more research is needed to confirm this.

Stress from wildfires

wildfire smoke children

Rebecca Chowaiki holds her son, Sonny, at a park near their home in Napa, California on October 9, 2021. (Credit: David Ryder)

Schmidt surveyed parents about their symptoms from the wildfires. Short-term effects included coughing, irritated eyes, and sore throat. But one of the most common symptoms was long-term stress and anxiety from proximity to wildfires. "Even up to a year later, they were still experiencing a high level of stress and anxiety," she said.

Stress can ramp up inflammation in a similar way to smoke, she explained, meaning pregnant people could face double exposure from smoke and mental health impacts. She pointed to a study showing that stress is a risk factor for outcomes like preterm delivery.

Chowaiki said her pregnancy with Sonny was "extremely stressful" due to the pandemic and in-utero diagnosis of his bilateral clubfoot.

She also feels climate anxiety. Her daughter Lenny was born prematurely during the fall 2017 wildfires. While she was in the ICU, the hospital briefly lost power. Since then, whole towns in California have burned to the ground. "I know so many people at this point who have lost their homes," she said. She knows her home may not be here next year.

Protecting pregnant people from wildfire smoke

wildfire children health

Rebecca Chowaiki and Omar Chowaiki pose for a portrait with their son, Sonny, and daughter, Lenny, at their home in Napa, California on October 9, 2021. (Credit: David Ryder)

Burke recommended that people stay inside when it's smokey, close windows and doors, and invest in indoor air filtration. If they can't filter the entire house, they should filter one room and stay in there as much as possible. He extended this advice to people living far away from fires; in summer 2021, smoke from wildfires drifted across the continent into cities like Toronto, Boston, and New York.

Burke acknowledged that not everyone can afford to filter indoor air, and some people work outside, like construction and agricultural employees. In that case, he said N-95 masks can help reduce exposure to smoke, but employers and regulators must take responsibility for protecting workers, whether it's from heat waves or wildfires.

"It's our broader responsibility to limit their exposures — that means reducing the amount of wildfire smoke in the air. That's the fundamental thing we need to do," he said.

In wildfire season, Chowaiki checks the air quality from different sources so she knows when to stay inside. If she has to go outside in the smoke, she wears an N-95 mask.

"If you put a frog into boiling water, it's going to jump out, but if you t mobile one line deals a frog into water and you heat it up slowly, it will stay there until it dies," Aqi san jose now said. "I feel like that's what we're doing. We're allowing this to become our normal, and it never should have been normal."

Banner photo: Sonny Chowaiki sits in the arms of his mother, Rebecca, at a park near their home in Napa, California on October 9, 2021. (Credit: David Ryder)

Источник: https://www.ehn.org/wildfire-smoke-births-2655744649.html

California's air quality is worse than India's. That's not good in a pandemic


SAN FRANCISCO – Kevin Galvin, a water conservation administrator who lives in the Oakland foothills, woke up Monday morning to “dry, smoky air with ash in it,” and the house smelled like the site of a campfire.

Millions of his fellow Californians were breathing in that same harmful air.

The hundreds of wildfires ravaging the state, especially the northern and central parts, have badly deteriorated the air quality over large swaths when residents are already at a high risk of pulmonary disease because of the COVID-19 pandemic.

"Most, if not all, major urban areas in Capital one costco credit card login have been affected by poor air over the past week," the California Air Resources Board told USA TODAY, and the highest level of PM2.5 – fine particles that can reach deep into the lungs – were registered in Santa Cruz County and the Monterey Bay region.

As of 2:30 p.m. PDT Monday, about one-third of the Golden State was deemed to have air unhealthy for all members of the general public, according to the Environmental Protection Agency’s Air Quality Index. That assessment included highly populated spots such as the San Francisco Bay Area, Fresno and the capital city of Sacramento.

At times during the past few days, parts of the Bay Area have been blanketed by a thin layer of ash while enduring the worst air quality in the world. According to purpleair.com, Monday afternoon’s rating of 548 west of San Jose was three times higher than the closest global figure.

“The concentration of the tiny particles (PM2.5) in the Bay Area is roughly five times the daily average limit set by the EPA. It's worse in the Bay Area now than mega cities like New Delhi, which are known for poor air quality,” said Coty Jen, assistant professor at the Center for Atmospheric Particle Studies at Carnegie Mellon University. “Even healthy people are reporting headaches, bloody noses, etc., during this current smoke event.”

Finally, a break: Massive wildfires scorch California, but humidity helps keep feared lightning at bay for now

The EPA calculates a daily Air Quality Index based on five major pollutants regulated by the Clean Air Act: ground-level ozone, particle pollution (also known as particulate matter), carbon monoxide, sulfur dioxide and nitrogen dioxide. Fine particles present the most serious health threat, according to the AirNow.gov website.

“These microscopic particles can penetrate deep into your lungs,” the website says. “They can cause a range of health problems, from burning eyes and runny nose to aggravated chronic heart and lung diseases. Exposure to particle pollution is even linked to premature death.”

The EPA warns that surgical and cloth masks and bandannas, often used to prevent spread of the coronavirus, don’t protect against smoke inhalation. Higher-grade N-95 masks do to a large extent, but they’re in short supply and mostly reserved for medical workers.

The Air Resources Board advises people in the affected areas to stay inside with their aqi san jose now and doors shut, run air conditioners in the recirculate setting and keep track of  conditions.

Galvin said he and his wife restrict outside exposure for themselves and their 9-year-old daughter, Emmy, which has downsides.

“We’re letting her go out with us on dog walks and to try to get some sunshine,” he said, “but we’re trying to limit her outdoor time a bit, and that’s kind of resulting in more screen time.”

Of course, the adverse effects of the smoky air go well beyond prompting too much time in front of a computer. California has registered nearly 673,000 of the 5.7 million cases of COVID-19 in the USA, which leads the world by far in that category.

The prevalence of smoke only makes residents more vulnerable to the highly contagious disease, said Dr. John Watson, an expert on air quality measurements and the impact of air pollutants at the Desert Research Institute in Reno, Nevada.

“Anecdotally, what you’re seeing is people’s systems are becoming more sensitive to (the coronavirus),” Watson said. “They’re going to be more prone to have more damage. Just the smoke alone induces a lot of asthma, bronchitis, COPDs (chronic obstructive pulmonary disease), so it gives a lot of acute effects that take place right away. That’s just going to weaken the whole system. You’re going to be more susceptible to any other disease just because your system is already overtaxed.”

A red alert prompted by forecasts of lightning strikes – a rare occurrence in Northern California that sparked the spate of wildfires a week ago – was called off Monday. That led to a major sigh of relief for the battered area, where overwhelmed and undermanned firefighters have battled the blazes nonstop.

The break figures to be only temporary, considering this is just the midpoint of the increasingly long fire season.

“Poor air quality, particularly during wildfire season, is one of the most important environmental issues facing the state of California,” said Aaron Harrison, a teaching and research fellow in atmospheric chemistry at Chapman University. “While poor air quality is always a concern for vulnerable respiratory populations in the state, the air quality can become so bad during wildfire season that it poses a significant risk of negative health effects to anyone exposed to it.”

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Источник: https://www.usatoday.com/story/news/nation/2020/08/24/california-wildfires-air-quality-increasingly-unhealthy/3431014001/
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How toxic wildfire smoke affects pregnant people

NAPA, Calif.—Sonny, a 10-month old, crawls through the tunnel of a playground surrounded by fresh cedar wood chips as the sun sets in October. His 4-year-old sister, Lenny, climbs the rungs of the jungle gym as their parents, Rebecca and Omar Chowaiki, keep watch.


"He is the happiest baby. He is so smiley," Rebecca Chowaiki said of her son. "We named him Sonny because it was a hard pregnancy, and we knew there would be some obstacles he needed to get over, so we wanted him to have a sunny disposition."

Sonny was diagnosed with a condition called bilateral clubfoot. A specialist put casts on his feet, he underwent surgery to cut his achilles tendon, and he wore orthotic shoes connected by a bar. He also received physical therapy for another condition called hypotonia, which meant he slouched when sitting and his head drooped. This amounted to months of medical appointments. "You just take it as it comes," his mother said.

Related: How wildfires impact your health

Smoking cigarettes during pregnancy can significantly increase the risk of a baby having clubfoot, but Sonny's mother has never smoked a cigarette. "We've been breathing in buildings burning for the last four years," she told EHN. "We've all been smoking in one way or another."

The sky is blue today, but the grass and shrubs are crisp as kindling. Officials declared red flag warnings in recent weeks, meaning the dry and windy conditions are perfect for wildfires to ignite and rapidly spread. "When that happens, we brace ourselves," Chowaiki said.

Since 2017, wildfires have swept Napa and nearby Sonoma each fall. The summers are hotter and last longer, and rain is less frequent. The fires have cast a thick fog of smoke over the region, lasting for weeks or months. Chowaiki breathed the smoke in 2017, 2018, and 2019 leading up to Sonny's conception.

A hill rises behind the playground. Chowaiki can see it from her kitchen window. It's a source of anxiety for her — fires have reached the other side of the hill in previous years.

"It's really scary. There's a lot of PTSD. You go to sleep thinking: 'OK, if I have to wake up suddenly and I see the hill is on fire behind me, I'll tell my husband, you grab our daughter, I'll grab our son, and we'll just hope that the dogs follow us.' "

Chowaiki doesn't draw a direct link between Sonny's condition and the wildfires — "we don't live in a vacuum," she said — but she recently enrolled in a study at the University of California, Davis, that is examining birth outcomes of people exposed to wildfire smoke. After years of inhaling the stuff, she is curious how it affected her body and child.

Climate change-fueled fires in California are increasing in severity every year, blanketing the western U.S. and Canada in ominous smoke that can be seen from space. Since the 1970s, California's average summer temperatures have increased by 1.4 degrees Celsius, and the state has seen a five-fold increase in acreage burned, according to a Reuters data analysis. Some parts of California now experience double the number of fire weather days per year compared to the 1970s, according to Climate Central. Wildfire smoke is reaching further across the continent, as far as Toronto and New York in summer 2021. As both wildfires and populations grow, more people are exposed to smoke that contains plastics, heavy metals from burned buildings and vehicles, and tiny, dangerous particles that can travel deep into the lungs and enter the bloodstream. Scientists know that wildfire smoke increases the risk of asthma for children, and heart disease, heart attack, stroke and death for adults.

Now scientists believe smoke and stress from wildfires also likely play a role in adverse pregnancy outcomes, such as low birth weight, preterm births — and even miscarriages.

Wildfire smoke and birth outcomes

wildfire smoke

Tinted orange by wildfire smoke from Oregon and southern Washington, the sun lowers behind a hill in Kalama, Washington on September 9, 2020. Across the state line, in Oregon, officials have given Level 3 "go now" evacuation notices to at least half of Clackamas County due to multiple wildfires. (Credit: David Ryder)

Each year, of the 3.75 million live births in the U.S., about 500,000 babies are born prematurely and 120,000 babies have birth defects, according to the US Centers for Disease Control and Prevention. Nonsmoking pregnant people who are exposed to tobacco smoke have a higher risk of preterm birth, low birthweight, and miscarriage, the CDC says. Air pollution can also contribute to low birthweight or preterm birth, even at levels below the federal Environmental Protection Agency's standards.

About an hour's drive from Napa, scientists are investigating whether to add wildfire smoke to the list of risk factors for adverse birth outcomes. In the city of Davis, California, about 4,000 rhesus macaques, a primate roughly the size of a housecat, live in dozens of outdoor cages as big as gymnasiums. Since the 1960s, the California National Primate Research Center has studied the monkeys because they are biologically close to humans. But recently the primates became the subject of unplanned research released in September.

In November 2018, at the peak of monkey mating season, smoke from the Camp Fire about 100 miles away cloaked the cages. Researchers followed the monkeys' pregnancies, and when it was time to give birth in the spring, they found the primates exposed to smoke had a higher rate of miscarriages.

In the nine previous years, the monkeys breathing clean air had an average live birth rate of 90%. The monkeys exposed to wildfire smoke in 2018 had a live birth rate of 82%— an 8% drop.

Bryn Willson, an OB/GYN resident at UC Davis and lead researcher on the primate paper, told EHN she was surprised the effect wasn't worse. "There were still several primates that got pregnant right at the peak of poor air quality, and they went on to deliver healthy [babies]," she told EHN. Willson said another team of researchers plans to follow the monkeys born after the 2018 wildfires to see how the smoke affects them long-term.

The monkey study is part of an emerging body of research.

wildfire smoke

A crow is silhouetted by the sun, which is tinted orange from wildfire smoke, on September 11, 2020 in Medford, Oregon. Hundreds of homes in nearby towns have been lost due to wildfire. (Credit: David Ryder)

In 2012, UC Berkeley scientists found that the 2003 southern California wildfires were associated with a slightly reduced birth weight, and in 2019, research by the Colorado School of Public Health linked wildfire smoke to preterm births. Low birth weight is associated with a higher risk of infant mortality, and disease or inhibited cognitive development later in life. Babies born too early can have learning disabilities and visual and hearing conditions, according to the World Health Organization.

New research suggests wildfire smoke may increase the risk of miscarriages for humans, too.

In an unpublished paper currently under peer review, Stanford researchers looked at data to see if the apocalyptic 2020 wildfire smoke that turned day to night on the west coast correlated with the number of people experiencing miscarriages at the Stanford ER near San Jose, California. Compared to years with no smoke, they found that the likelihood of a lost pregnancy during the 2020 wildfire smoke event increased by 29%.

"They're big numbers," Marshall Burke, who co-authored the paper with lead researcher Bibek Paudel, told EHN. Burke also contributed to a previous paper that found that one day of medium- to high-intensity wildfire smoke exposure increased the likelihood of preterm birth by 1%, meaning that two weeks of exposure led to a 14% increase in likelihood of preterm birth. "It's consistent with our other paper," he said of the ER data. "In-utero exposure to wildfire smoke can dramatically worsen birth outcomes."

Burke said it's "absolutely possible" that smoke contributed to Sonny's condition, and Chowaiki is right to be curious. "I don't think we have the smoking gun study on birth defects in particular, but everything we've found about the effects of wildfire smoke on pregnancy outcomes suggests that it could have a range of negative outcomes."

While policy changes over the last 30 years have decreased dangerous air pollution from vehicles and industry in California, Burke said megafires are now contributing a larger proportion of that poor air quality — about half the air pollution in the state. "The state overall has seen pretty impressive declines in exposures to these pollutants, [but] wildfires are pushing in the other direction," Burke said. "They are increasing exposures again."

What does wildfire smoke do to our bodies?

Rebecca Schmidt, associate professor at the UC Davis School of Medicine, is in the midst of a study following people who were pregnant during the megafires in 2017, 2018, 2019, and 2020. Chowaiki enrolled in her study.

"Our hope is to be able to follow the kids from these pregnancies as they get older and look at various outcomes, because there has been very little done [on respiratory outcomes later in life]," Schmidt told EHN.

Schmidt is sampling participants' hair for heavy metals that could be from the wildfires. She is also collecting placentas for testing.

An Australian doctor found that placentas of people who were pregnant during wildfires looked similar to those of people who had smoked a pack a day of cigarettes, but Schmidt hasn't seen anything like that in California placentas. "It hasn't been replicated yet, and it was a small study, but it does give pause on, is this something we should be concerned about?" she said.

Scientists don't know how wildfire smoke might affect fetuses in the womb, but they have some theories.

Similar to cars and industrial plants, wildfires emit tiny particles like PM 2.5 and PM 0.1 that are so small they can cross from the lungs into the bloodstream and travel all over the body. "They tend to give rides to other contaminants," Schmidt said. "Things like heavy metals piggyback on those small particles and also get deep into the lungs and other places. And that causes inflammation. In general it's not good to have inflammation for health."

Schmidt said inflammation from infection can disrupt the placenta and lead to issues like preterm delivery, low birth weight, and stillbirth.

Willson has a theory, too. The Camp Fire that blanketed the monkey cages in smoke was the most destructive fire in California history, incinerating more than 18,000 buildings. Sampling from the Camp Fire smoke showed it contained oxidized organic material from burnt trees and also phthalates, which are known to disrupt endocrine pathways in the body, affecting metabolism and damaging DNA, from burnt furniture and buildings. Phthalates have been linked to abnormal fetal development and adverse outcomes after birth.

"When buildings are burned and furniture is burned, you release into the atmosphere other toxic compounds that include things like phthalates, which we know are not good for humans to breathe in," Willson said.

Willson said pollutants like PM 2.5, PM 0.1, and phthalates may cross the placenta, but more research is needed to confirm this.

Stress from wildfires

wildfire smoke children

Rebecca Chowaiki holds her son, Sonny, at a park near their home in Napa, California on October 9, 2021. (Credit: David Ryder)

Schmidt surveyed parents about their symptoms from the wildfires. Short-term effects included coughing, irritated eyes, and sore throat. But one of the most common symptoms was long-term stress and anxiety from proximity to wildfires. "Even up to a year later, they were still experiencing a high level of stress and anxiety," she said.

Stress can ramp up inflammation in a similar way to smoke, she explained, meaning pregnant people could face double exposure from smoke and mental health impacts. She pointed to a study showing that stress is a risk factor for outcomes like preterm delivery.

Chowaiki said her pregnancy with Sonny was "extremely stressful" due to the pandemic and in-utero diagnosis of his bilateral clubfoot.

She also feels climate anxiety. Her daughter Lenny was born prematurely during the fall 2017 wildfires. While she was in the ICU, the hospital briefly lost power. Since then, whole towns in California have burned to the ground. "I know so many people at this point who have lost their homes," she said. She knows her home may not be here next year.

Protecting pregnant people from wildfire smoke

wildfire children health

Rebecca Chowaiki and Omar Chowaiki pose for a portrait with their son, Sonny, and daughter, Lenny, at their home in Napa, California on October 9, 2021. (Credit: David Ryder)

Burke recommended that people stay inside when it's smokey, close windows and doors, and invest in indoor air filtration. If they can't filter the entire house, they should filter one room and stay in there as much as possible. He extended this advice to people living far away from fires; in summer 2021, smoke from wildfires drifted across the continent into cities like Toronto, Boston, and New York.

Burke acknowledged that not everyone can afford to filter indoor air, and some people work outside, like construction and agricultural employees. In that case, he said N-95 masks can help reduce exposure to smoke, but employers and regulators must take responsibility for protecting workers, whether it's from heat waves or wildfires.

"It's our broader responsibility to limit their exposures — that means reducing the amount of wildfire smoke in the air. That's the fundamental thing we need to do," he said.

In wildfire season, Chowaiki checks the air quality from different sources so she knows when to stay inside. If she has to go outside in the smoke, she wears an N-95 mask.

"If you put a frog into boiling water, it's going to jump out, but if you put a frog into water and you heat it up slowly, it will stay there until it dies," Chowaiki said. "I feel like that's what we're doing. We're allowing this to become our normal, and it never should have been normal."

Banner photo: Sonny Chowaiki sits in the arms of his mother, Rebecca, at a park near their home in Napa, California on October 9, 2021. (Credit: David Ryder)

Источник: https://www.ehn.org/wildfire-smoke-births-2655744649.html

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November 29, 2021 at 9:04 AM Traffic hazard on Hwy 49 at Oak Tree Road in North San Juan.

November 29, 2021 at 6:51 AM Today is a No Burn day in Nevada and Sierra counties.

November 28, 2021 at 6:04 PM Roadway is clear again on Hwy 174.

November 28, 2021 at 5:54 PM Hwy 174 near Dalmatian Drive is reduced to one lane after an accident. Emergency services are at scene.

November 28, 2021 at 10:16 AMChilly mornings and mild afternoons continue. Another mild day is in store for interior Northern California.

November 27, 2021 at 9:00 AM Again, a No Burn Day in Nevada County.

November 26, 2021 at 9:45 AM Today is a No Burn Day.

November 25, 2021 at 8:18 AM Happy Thanksgiving! As a reminder, today is a No Burn Day (including in the kitchen;) please don’t smoke out the neighborhood. Wishing you a happy, safe and stress-free Thanksgiving. We’ll try to take a break this holiday weekend, but if anything important happens, we’ll report on it.

November 24, 2021 at 8:26 PM Reported escaped burn pile on China Flats Road on the San Juan Ridge. Units dispatched.

November 24, 2021 at 6:53 PM Two large dogs have been seen wandering in the middle of the roadway on Gracie Road, about 1/3rd of a mile down from Banner Lava Cap. It’s very dark in the area, please slow down for them. Thanks to reader Andrea for alerting us.

November 24, 2021 at 6:30 PM As a heads up, tomorrow is a No Burn day, not just in the kitchen!

November 24, 2021 at 5:25 PM Accident on northbound Hwy 49 just south of the Dorsey Drive on ramp. Car vs deer, no human injuries reported.

November 24, 2021 at 5:18 PM Nevada County Public Health reports 17 new, confirmed COVID-19 cases today. Out of 9,575 cases since the start of the pandemic, 222 are active. Eleven people are hospitalized – two in ICU. Three additional fatalities have been recorded, bringing the death toll to 112 since the start of the pandemic.

135,195 vaccine doses have been administered to Nevada County residents.

57,910 Nevada County residents are fully vaccinated, 65% of the eligible population 12 years and older.

New cases by age

Age groupCasesDifference
0-171,435+2
18-291,600+2
30-391,7310
40-491,342+3
50-641,865+3
65+1,599+4

November 24, 2021 at 4:05 PM First sighting of the day of the resident wild turkey flock. They seemed a little more skittish than usual.

November 24, 2021 at 12:07 PM Non-injury accident on Hwy 20 at Poker Flat, the roadway is clear.

November 24, 2021 at 8:23 AMBreezy winds today. Dry conditions through the Thanksgiving holiday weekend.

November 24, 2021 at 7:10 AM Today is a permissible burn day in western Nevada County.

Burn only natural vegetation that has been down at least 3 weeks and grew on the property where you are burning. Never burn garbage, construction debris, painted wood, plastic etc. (burning such man-made materials releases highly toxic pollutants). For best smoke dispersion, recommended burn hours are 9 AM to 3 PM. 

A CAL FIRE burn permit is not required at this time.

Burning is always prohibited inside the city limits of Nevada City and Grass Valley. 

Truckee Area / Eastern Nevada County:

For best smoke dispersion, recommended burn hours are 9 AM to 3 PM.  Inside the Truckee Fire Protection District, burning is restricted to daylight hours only.

A CAL FIRE Burn Permit (available at https://burnpermit.fire.ca.gov/) or a permit issued by the Truckee Fire Protection District is always required in the Truckee area.

November 23, 2021 at 5:36 PM Vehicle into a ditch on Deer Park Drive near Shannon Way. Emergency services dispatched.

November 23, 2021 at 4:56 PM Nevada County Public Health reports 20 new, confirmed COVID-19 cases today. Out of 9,561 cases since the start of the pandemic, 232 are active. Ten people are hospitalized – two in ICU.

134,739 vaccine doses have been administered to Nevada County residents.

57,867 Nevada County residents are fully vaccinated, 65% of the eligible population 12 years and older.

New cases by age

Age groupCasesDifference
0-171,433+3
18-291,5980
30-391,731+5
40-491,339+2
50-641,862+6
65+1,595+3

November 23, 2021 at 4:49 PM Ridge IC is starting to release resources. Extensive overhaul is starting. Many resources will remain committed for a few hours.

November 23, 2021 at 4:45 PM Ridge IC reports knockdown on the fire.

November 23, 2021 at 4:36 PM Firefighters are making good progress on the Ridge incident.

Grass Valley Fire Engine 202, Engine 5 and Engine 2 along with Battalion 2 assist Nevada County Consolidated Fire with well involved 2 story residential structure fire

November 23, 2021 at 4:32 PM Units at scene are working the active structure fire, direct attack on all corners. Ridge Road will be closed to traffic between Rough and Ready Hwy and Alta Street.

November 23, 2021 at 4:29 PM Structure fire on Ridge Road, emergency services arriving on Ridge Road near A to Z Supply.

November 23, 2021 at 10:42 AM One more ram sighting by reader Lisa. This time on Valley View Road, two streets over from the last sighting.

November 23, 2021 at 9:47 AM Another sighting of the by-now famous ram. This time he’s been spotted on Banner Lava Cap at Dobbins Dr. in the middle of the road. Thanks to reader Chip for the tip.

November 23, 2021 at 9:13 AM Thanks to reader Cathy: Lab cross running loose on Litton Trail near Sierra College Drive at 9 am. Has a collar and some white on chest. Unable to catch the pup. Currently on Sierra College side of Litton Trail near junction with Chapa De. If you’re in the area, please watch for the dog.

November 23, 2021 at 6:56 AM Today is a permissible burn day in western Nevada County.

Burn only natural vegetation that has been down at least 3 weeks and grew on the property where you are burning. Never burn garbage, construction debris, painted wood, plastic etc. (burning such man-made materials releases highly toxic pollutants). For best smoke dispersion, recommended burn hours are 9 AM to 3 PM. 

A CAL FIRE burn permit is not required at this time.

Burning is always prohibited inside the city limits of Nevada City and Grass Valley. 

Truckee Area / Eastern Nevada County:

For best smoke dispersion, recommended burn hours are 9 AM to 3 PM.  Inside the Truckee Fire Protection District, burning is restricted to daylight hours only.

A CAL FIRE Burn Permit (available at https://burnpermit.fire.ca.gov/) or a permit issued by the Truckee Fire Protection District is always required in the Truckee area.

November 22, 2021 at 5:01 PM Nevada County Public Health reports 83 new, confirmed COVID-19 cases today. Out of 9,542 cases since the start of the pandemic, 222 are active. Nine people are hospitalized – one in ICU.

134,240 vaccine doses have been administered to Nevada County residents.

57,843 Nevada County residents are fully vaccinated, 58% of the total population.

New cases by age

Age groupCasesDifference
0-171,430+22
18-291,598+15
30-391,726+15
40-491,337+10
50-641,856+15
65+1,592+5

November 22, 2021 at 12:06 PM A ladder in the roadway on the Brunswick off ramp on southbound Hwy 49 has been moved to the right hand side. Traffic hazard mitigated, ladder still abandoned.

November 22, 2021 at 10:00 AM Nevada County Sheriff’s Office: After successfully notifying the next of kin, our coroners office has released the names of the victims involved in the accident early Saturday morning on I-80 at Eagle Lakes Road. They are identified as:

Montano, Brittney, 29, North Highlands

Montano, Antonio, 29, North Highlands

9 year old female (name being withheld)

5 year old male (name being withheld)

November 22, 2021 at 9:09 AM Vehicle down the embankment and into a creek on Hwy 49 near Cedarsong Road. One lane will have to be closed to recover the car. Reduce your speed and use caution.

November 22, 2021 at 8:50 AM Some great news about Rocky. “My daughter Livia reached out to YubaNet re Rocky the pitty mix that was ejected from a VW Bus during an accident on N. Bloomfield on the 20th. Yesterday, so many wonderful folks turned up to look for Rocky. We scoured and bush wacked through the hills below and above N. Bloomfield all day with no luck. Last night was a sleepless one, knowing that Rocky was in the woods scared and alone. Now, he has been found!

I’m not sure why this event touched me so deeply. I think that having met Keith and Rocky on a trail behind our home was one of those human moments when you know you’ve met someone kind and special. That brief encounter stayed with me a little and when I heard of the accident, it affected me deeply.

What I think touched me even more were the folks that came out to look for Rocky some of whom had never met Rocky or Keith; Camille and Graham who first alerted our neighborhood of the accident and started the search for Rocky, Kelly, who hiked N. Bloomfield as cars whizzed dangerously by. Frank and his girlfriend Arnette (my apologies if I didn’t get your name quite right) who pulled up in a car and spent time looking up and down N. Bloomfield for Rocky. James, who literally army crawled from Vee Court to Cooper through the brush hoping to find the poor, scared pup. There were others that spent their Sunday looking for Rocky that I didn’t meet and I don’t wish to leave anyone out.

I think why this event touched me so profoundly is because of all of the kindness that was on display during a time when there is such a shortage of compassion and empathy. Heal fully, Keith and Rocky! I can’t wait for the two of you to reunite!! I hope you will remember us and the kind people of Nevada City in your hearts for a very long time.

Gratefully during this Thanksgiving week” – Nicole

November 22, 2021 at 7:30 AM Dry and slightly breezy start to the week. Upper level ridge in the eastern Pacific will build east toward the Golden State for Thanksgiving Day, resulting in continued dry conditions for NorCal.

November 22, 2021 at 7:05 AM Today is a permissible burn day in western Nevada County.

Burn only natural vegetation that has been down at least 3 weeks and grew on the property where you are burning. Never burn garbage, construction debris, painted wood, plastic etc. (burning such man-made materials releases highly toxic pollutants). For best smoke dispersion, recommended burn hours are 9 AM to 3 PM. 

A CAL FIRE burn permit is not required at this time.

Burning is always prohibited inside the city limits of Nevada City and Grass Valley. 

Truckee Area / Eastern Nevada County:

For best smoke dispersion, recommended burn hours are 9 AM to 3 PM.  Inside the Truckee Fire Protection District, burning is restricted to daylight hours only.

A CAL FIRE Burn Permit (available at https://burnpermit.fire.ca.gov/) or a permit issued by the Truckee Fire Protection District is always required in the Truckee area.

November 22, 2021 at 7:02 AM The dog found on Pleasant Valley Road has been relocated to Sammie’s Friends Animal Shelter.

November 21, 2021 at 7:12 PM This dog was found on Pleasant Valley Road near John Born Road around 5:00 pm. He’s described as a nice mannered large brown/tan male dog with black markings on ears/face. Black collar and prong collar in place, no tags. Please contact C. Winters 530-401-1749 for information.

November 20, 2021 at 10:59 PM Vehicle down an embankment on Tyler Foote Road near Bear Trap Springs Road. Unknown if occupied, emergency services dispatched.

November 20, 2021 at 9:23 PM During the reported accident on North Bloomfield, a dog was ejected. He is a brown and white pit bull mix, super sweet, answers to Rocky. He’s probably in the North Bloomfield, Countrywood Lane or Cooper Road area. Please contact Mia (408) 234-6069 if you’ve seen him, or better yet you have him.

November 20, 2021 at 6:51 PM North Bloomfield Road is open again.

November 20, 2021 at 6:06 PM Major injury accident on North Bloomfield, VW bus vs AT&T truck. Roadway is blocked, emergency services are at scene.

November 20, 2021 at 5:51 PM A large dog is reportedly blocking the road on Rough and Ready Hey and Bonanza Way. The dog is darting across. Please reduce your speed.

November 20, 2021 at 12:41 PM Hwy 20 is open again with no restrictions.

November 20, 2021 at 11:20 AM A rake is blocking the fast lane on southbound Hwy 49 at the Dorsey on ramp. Use caution and keep in mind Caltrans has sweepers – raking the freeway is not effective.

November 20, 2021 at 9:06 AM Hwy 20 remains closed from the junction with I-80 to Nevada City, only local traffic allowed. A wrong way driver on I-80 near Eagle Lake caused a multi-car accident, resulting in four fatalities, including two children.

November 20, 2021 at 7:20 AM As a reminder, starting at 8:00 am, hundreds of bike enthusiasts will compete November 20 in the first-ever Heart of Gold, a challenging 55-mile gravel course race through Gold Country that will help increase awareness and raise funds for mental wellness programs for youth in Nevada County.

November 20, 2021 at 7:12 AM Today is a permissible burn day in western Nevada County.

Burn only natural vegetation that has been down at least 3 weeks and grew on the property where you are burning. Never burn garbage, construction debris, painted wood, plastic etc. (burning such man-made materials releases highly toxic pollutants). For best smoke dispersion, recommended burn hours are 9 AM to 3 PM. 

A CAL FIRE burn permit is not required at this time.

Burning is always prohibited inside the city limits of Nevada City and Grass Valley. 

Truckee Area / Eastern Nevada County:

For best smoke dispersion, recommended burn hours are 9 AM to 3 PM.  Inside the Truckee Fire Protection District, burning is restricted to daylight hours only.

A CAL FIRE Burn Permit (available at https://burnpermit.fire.ca.gov/) or a permit issued by the Truckee Fire Protection District is always required in the Truckee area.

November 19, 2021 at 7:56 PM Accident on East Bennett and Brunswick Road, vehicle overturned and off the roadway. Units dispatched.

November 19, 2021 at 5:08 PM Multi-vehicle accident on northbound Hwy 49 at Alta Sierra Drive. No injuries reported.

November 19, 2021 at 4:33 PM Accident at the transfer station. Car vs forklift, no injuries reported.

November 19, 2021 at 4:06 PM Nevada County Public Health reports 37 new, confirmed COVID-19 cases today. Out of 9,460 cases since the start of the pandemic, 192 are active. Twelve people are hospitalized – three in ICU. Two additional fatalities have been recorded, bringing the death toll to 109 since the start of the pandemic.

133,125 vaccine doses have been administered to Nevada County residents.

57,656 Nevada County residents are fully vaccinated, 64.7% of the eligible population over the age of 12.

New cases by age

Age groupCasesDifference
0-171,408+10
18-291,583+2
30-391,711+6
40-491,327+7
50-641,841+7
65+1,587+4

November 19, 2021 at 8:51 AM A big rig is stuck on the Bear River bridges on Dog Bar Road and Magnolia Road. The roadway is completely blocked.

November 19, 2021 at 7:45 AM Several white ducks in the roadway on Lime Kiln Road at Wolf Road – some drivers stopped trying to herd them away from the road and animal control officers are dispatched. These domestic ducks seem to be enjoying rain showers and a break from their routine. Thanks for slowing down.

November 19, 2021 at 7:37 AM Today is a permissible burn day in western Nevada County.

Burn only natural vegetation that has been down at least 3 weeks and grew on the property where you are burning. Never burn garbage, construction debris, painted wood, plastic etc. (burning such man-made materials releases highly toxic pollutants). For best smoke dispersion, recommended burn hours are 9 AM to 3 PM. 

A CAL FIRE burn permit is not required at this time.

Burning is always prohibited inside the city limits of Nevada City and Grass Valley. 

Truckee Area / Eastern Nevada County:

For best smoke dispersion, recommended burn hours are 9 AM to 3 PM.  Inside the Truckee Fire Protection District, burning is restricted to daylight hours only.

A CAL FIRE Burn Permit (available at https://burnpermit.fire.ca.gov/) or a permit issued by the Truckee Fire Protection District is always required in the Truckee area.

November 18, 2021 at 10:35 PM Griffith Observatory in LA has started their #LunarEclipse livestream. They have a great view!

November 18, 2021 at 8:43 PM A cow in the roadway on Pleasant Valley Road near Birchville Road. Maybe trying to get to greener pastures or a clear spot to watch the eclipse? Either way, please use caution.

November 18, 2021 at 5:22 PM Accident on Hwy 174 at Greenhorn Access Rod, car vs deer.

November 18, 2021 at 3:08 PM Nevada County Public Health reports 14 new, confirmed COVID-19 cases today. Out of 9,424 cases since the start of the pandemic, 184 are active. Eleven people are hospitalized – four in ICU. Two additional fatalities have been recorded, bringing the death toll to 107 since the start of the pandemic.

132,426 vaccine doses have been administered to Nevada County residents.

57,529 Nevada County residents are fully vaccinated, 64.6% of the eligible population.

New cases by age

Age groupCasesDifference
0-171,398-2
18-291,5810
30-391,705+1
40-491,320+3
50-641,834+2
65+1,583+6

November 18, 2021 at 12:53 PM Three sheep on the loose on Bitney Springs Road near Empress Road, according to a reader. Any sheepherder in the area? Slow down, otherwise you’ll get the hook 😉

November 18, 2021 at 11:44 AM Man chasing a white dog on the Bennett Street off ramp on southbound Hwy 49, according to CHP log.

November 18, 2021 at 11:06 AM Confirmed false alarm on Crown Point Court, canceling all units.

November 18, 2021 at 11:03 AM Commercial fire alarm on Crown Point Court in Grass Valley, units dispatched.

November 18, 2021 at 10:27 AM Reported smell of electrical wiring burning, no flames seen, in a home on Tokayana Way in Colfax, units dispatched.

November 18, 2021 at 9:48 AMLight showers late today and tomorrow. High snow levels, around 8,000 feet. Breezy northerly to northeasterly winds Saturday.

November 18, 2021 at 8:37 AM Abandoned vehicle, possible after a collision, on the right hand side at Burma Road and Meadow View Drive off Hwy 174. The roadway is clear.

November 18, 2021 at 8:15 AM Accident in Nevada City on Searls Ave and Argall Way.

November 18, 2021 at 8:13 AM Car broken down in the southbound lanes of Hwy 49 near the Independence Trailhead. Lane is blocked, use caution.

November 18, 2021 at 6:58 AM Today is a permissible burn day in western Nevada County.

Burn only natural vegetation that has been down at least 3 weeks and grew on the property where you are burning. Never burn garbage, construction debris, painted wood, plastic etc. (burning such man-made materials releases highly toxic pollutants). For best smoke dispersion, recommended burn hours are 9 AM to 3 PM. 

A CAL FIRE burn permit is not required at this time.

Burning is always prohibited inside the city limits of Nevada City and Grass Valley. 

Truckee Area / Eastern Nevada County:

For best smoke dispersion, recommended burn hours are 9 AM to 3 PM.  Inside the Truckee Fire Protection District, burning is restricted to daylight hours only.

A CAL FIRE Burn Permit (available at https://burnpermit.fire.ca.gov/) or a permit issued by the Truckee Fire Protection District is always required in the Truckee area.

November 17, 2021 at 4:23 PM Wrong way driver did a U-turn on Hwy 49, heading towards Nevada City. Law enforcement has stopped the car, traffic break is being lifted.

November 17, 2021 at 4:21 PM Wrong way driver on southbound Hwy 49 just past Gold Flat heading towards Brunswick. Use extreme caution.

November 17, 2021 at 3:51 PM Bovine stroll alert! 4-5 cows and a bull on an afternoon stroll near the intersection of Perimeter Road and McCourtney Road. The area is considered open land, and the bovines appear to know it.

November 17, 2021 at 3:12 PM Nevada County Public Health reports 34 new, confirmed COVID-19 cases today. Out of 9,414 cases since the start of the pandemic, 198 are active. Eleven people are hospitalized – four in ICU.

131,863 vaccine doses have been administered to Nevada County residents.

57,529 Nevada County residents are fully vaccinated, 64.6% of the eligible population.

New cases by age

Age groupCasesDifference
0-171,4000
18-291,581+5
30-391,704+7
40-491,317+3
50-641,832+3
65+1,577+4

November 17, 2021 at 2:17 PM Power outage affecting 55 customers in Peardale on Meadow Drive to Peardale Road. Estimated time of restoration is 4:45 pm. Crews are at scene, thanks to reader Peter for the heads up.

November 17, 2021 at 2:15 PM A school bus with kids on board is reportedly stuck in a ditch on Newtown Road near Beckville Road. The roadway is blocked.

November 17, 2021 at 9:55 AM Solo vehicle accident on Alexandra Way in Alta Sierra. Car off the roadway, into the side of a garage. Units dispatched.

November 17, 2021 at 8:18 AMChance of rain continues to evaporate. A weak and rather disorganized southern stream trough moves through later Thursday into Friday and may bring some light precipitation mainly north of I-80. Amounts are expected to be very light with little or no snow impacts across the passes. Dry weather returns for Saturday with north wind limiting fog development.

November 17, 2021 at 7:39 AM The structure fire on Stotler Ave off Sweetland Road in North San Juan has been fully contained. Remaining resources will be committed for another hour.

November 17, 2021 at 7:24 AM Today is a permissible burn day in western Nevada County.

Burn only natural vegetation that has been down at least 3 weeks and grew on the property where you are burning. Never burn garbage, construction debris, painted wood, plastic etc. (burning such man-made materials releases highly toxic pollutants). For best smoke dispersion, recommended burn hours are 9 AM to 3 PM. 

A CAL FIRE burn permit is not required at this time.

Burning is always prohibited inside the city limits of Nevada City and Grass Valley. 

Truckee Area / Eastern Nevada County:

For best smoke dispersion, recommended burn hours are 9 AM to 3 PM.  Inside the Truckee Fire Protection District, burning is restricted to daylight hours only.

A CAL FIRE Burn Permit (available at https://burnpermit.fire.ca.gov/) or a permit issued by the Truckee Fire Protection District is always required in the Truckee area.

November 16, 2021 at 7:41 PM Reader Sean reports debris in the roadway on Idaho-Maryland Road going towards Brunswick. Use caution and reduce your speed.

November 16, 2021 at 6:42 PM The kids-only vaccination clinic at the Vets Hall welcomed 350 kids today. The ‘beneficial insects’ from Public Health were supported by local pediatricians, nurses, hospital staff and a juggler!

November 16, 2021 at 4:41 PM Nevada County Public Health reports 47 new, confirmed COVID-19 cases today. Out of 9,392 cases since the start of the pandemic, 199 are active. Ten people are hospitalized – three in ICU.

130,931 vaccine doses have been administered to Nevada County residents.

57,483 Nevada County residents are fully vaccinated, 64.5% of the eligible population over the age of 12.

New cases by age

Age groupCasesDifference
0-171,400+7
18-291,576+3
30-391,697+9
40-491,314+5
50-641,829+8
65+1,573+13

November 16, 2021 at 10:28 AM A must read from Daniel Swain: Following record-wet October in NorCal, much drier & warmer conditions to persist for foreseeable future. For the first time in quite a few years, this was not an autumn of fire in California. Instead, the weather has been characterized by quite wet conditions in the northern 1/3 of the state–but nearly all that impressive autumn precipitation fell during a single 2-day storm event in October. That extreme atmospheric river event, which was the subject of the last blog post–broke numerous daily and some October monthly rainfall records throughout NorCal. Sacramento, for instance, experienced its single wettest calendar day on record since the 1800s. Despite this objectively extreme precipitation, resultant flooding was quite modest by comparison thanks to the antecedent extreme soil dryness and low river levels (courtesy of the early calendar date and the ongoing historic drought). This was–without a doubt–an example of an extreme precipitation event that was not a disaster given the context that surrounded it: it’s pretty clear this very intense storm brought more drought-mitigating benefits than flood-caused harms. Still nearly all of NorCal, as of this writing, is still classed as experiencing severe to exceptional drought conditions–a designation that was only slightly reduced by all that October water. Read the full post here: https://weatherwest.com/archives/11748

November 16, 2021 at 9:57 AM Traffic hazard on westbound Hwy 20 and Rough and Ready Hwy – a “commercial rake in the #1 lane,” according to the CHP log.

November 16, 2021 at 9:32 AMBreezy today, light showers Thursday and Friday. Breezy northerly winds today in the Sacramento Valley. Light rain showers and pass level snow showers Thursday & Friday.

November 16, 2021 at 7:31 AM Today is a permissible burn day in western Nevada County.

Burn only natural vegetation that has been down at least 3 weeks and grew on the property where you are burning. Never burn garbage, construction debris, painted wood, plastic etc. (burning such man-made materials releases highly toxic pollutants). For best smoke dispersion, recommended burn hours are 9 AM to 3 PM. 

A CAL FIRE burn permit is not required at this time.

Burning is always prohibited inside the city limits of Nevada City and Grass Valley. 

Truckee Area / Eastern Nevada County:

For best smoke dispersion, recommended burn hours are 9 AM to 3 PM.  Inside the Truckee Fire Protection District, burning is restricted to daylight hours only.

A CAL FIRE Burn Permit (available at https://burnpermit.fire.ca.gov/) or a permit issued by the Truckee Fire Protection District is always required in the Truckee area.

November 15, 2021 at 5:09 PM The overturned vehicle is in the Oregon Street bridge, not on Hwy 49.

November 15, 2021 at 4:22 PM Overturned vehicle on Hey 49 at Moonshine Road, blocking the roadway near Oregon Creek bridge. Units at scene.

November 15, 2021 at 3:46 PM Reported wildfire in the vicinity of Wolf Creek Road and Black Oak Lane in Alta Sierra Ranches. Firefighters at scene found a pile of smoldering cardboard boxes. Canceling all incoming units.

November 15, 2021 at 2:35 PM Nevada County Public Health reports 38 new, confirmed COVID-19 cases today. Out of 9,347 cases since the start of the pandemic, 154 are active. Nine people are hospitalized – five in ICU.

130,539 vaccine doses have been administered to Nevada County residents.

57,458 Nevada County residents are fully vaccinated, 64.5% of the eligible population over the age of 12.

New cases by age

Age groupCasesDifference
0-171,393+6
18-291,573+6
30-391,688+7
40-491,309+5
50-641,821+8
65+1,560+4

November 15, 2021 at 12:55 PM Possible semi truck fire on Hwy 20 near Poker Flat, smoke reportedly coming from under the hood. Units dispatched.

November 15, 2021 at 10:50 AM Golf cart vs vehicle on Lake Wildwood and Pleasant Valley Road in Penn Valley, no injuries reported.

November 15, 2021 at 9:35 AMWindy Tuesday, showers possible Thursday and Friday. Breezy northerly winds Tuesday in the Sacramento Valley. Widespread potential for light rain and pass level snow Thursday & Friday.

November 15, 2021 at 8:51 AM

November 15, 2021 at 8:03 AM There is no ETA for reopening Hwy 20 near Melody at this time. Emergency services are at scene, major injuries reported.

November 15, 2021 at 7:30 AM Two-car accident on westbound Hwy 20 at Melody Road, roadway is blocked. Emergency services dispatched.

November 15, 2021 at 7:03 AM Today is a permissible burn day in western Nevada County.

Burn only natural vegetation that has been down at least 3 weeks and grew on the property where you are burning. Never burn garbage, construction debris, painted wood, plastic etc. (burning such man-made materials releases highly toxic pollutants). For best smoke dispersion, recommended burn hours are 9 AM to 3 PM. 

A CAL FIRE burn permit is not required at this time.

Burning is always prohibited inside the city limits of Nevada City and Grass Valley. 

Truckee Area / Eastern Nevada County:

For best smoke dispersion, recommended burn hours are 9 AM to 3 PM.  Inside the Truckee Fire Protection District, burning is restricted to daylight hours only.

A CAL FIRE Burn Permit (available at https://burnpermit.fire.ca.gov/) or a permit issued by the Truckee Fire Protection District is always required in the Truckee area.

November 14, 2021 at 3:22 PM Units dispatched for a possible car fire on Hwy 20 at Willow Valley Road.

November 14, 2021 at 12:22 PM A lamb is running in the roadway on Hwy 20 near Melody Road. Slow down! Please.

November 14, 2021 at 9:01 AM Motorcycle accident on Rough and Ready Hwy near Ironclad Road, units dispatched.

November 14, 2021 at 8:48 AM Today is a No Burn day in Nevada County due to forecast poor smoke dispersion.

November 13, 2021 at 1:31 PM Winky, the little Chihuahua who slipped out last night in the Brunswick Basin has been found. Thanks to reader Kelly for alerting us in the first place and sharing the good news!

November 13, 2021 at 9:35 AM A small Chihuahua is running along the center divide on southbound Hwy 49 between Brunswick and Gold Flat. Please watch out for the tiny pup!

November 13, 2021 at 8:18 AM Power outage affecting 156 customers along McCourtney Road. PG&E crew at scene, estimated time of restoration is 10:00 am.

November 13, 2021 at 7:53 AM Today is a No Burn day in Nevada County due to poor smoke dispersion forecast.

November 12, 2021 at 8:19 PM If you are in the area of Nevada City Hwy and the shopping center, especially near Asian Garden and YubaDocs, keep an eye out for a black chihuahua – with a little white on her face. She responds to “Winky” and her dog mom is searching for her. If you find Winky, please call 530-559-3141.

November 12, 2021 at 3:35 PM Nevada County Public Health reports 34 new, confirmed COVID-19 cases today. Out of 9,311 cases since the start of the pandemic, 169 are active. Twelve people are hospitalized – three in ICU.

129,240 vaccine doses have been administered to Nevada County residents.

57,305 Nevada County residents are fully vaccinated, 64.3% of the eligible population.

New cases by age

Age groupCasesDifference
0-171,387+6
18-291,5670
30-391,681+8
40-491,304+4
50-641,813+10
65+1,556+1

November 12, 2021 at 2:03 PM Non-injury accident on southbound Hwy 49 at Lime Kiln Road, the roadway is clear and emergency services are at scene.

November 12, 2021 at 10:55 AM The Dense Fog Advisory for Sierra, Placer County, Yuba County, El Dorado County has been canceled. Dense fog has begun to dissipate, so the Dense Fog Advisory will be allowed to expire. However, patchy fog remains possible in the Valley for the next few hours, so motorists are urged to continue to be alert for sudden changes in visibility.

November 12, 2021 at 9:21 AM Last night, a break in occurred at the Oridgenal Thrift store on the San Juan Ridge. Owner Hope Holme reported the break in to the Sheriff’s Office and is asking the community to be on the lookout for items taken from the store, including alpaca blankets (queen size, aztec design), a large assortment of crystals and minerals, particularly expensive (moldavite clusters, amethyst clusters), and an array of locally made Native American items. You can contact NCSO at 530-265-1471.

November 12, 2021 at 8:46 AM Power outage affecting 110 customers along Indian Springs Road and Long Valley Road is scheduled maintenance. Estimated time of restoration is 4:00 pm today.

November 12, 2021 at 7:25 AM Today is a No Burn Day in Nevada County.

November 11, 2021 at 5:00 PM Power outage affecting 114 customers in south county from Magnolia Road to Pioneer Way. Estimated time of restoration is 8:00 pm.

November 11, 2021 at 10:57 AMDry and mild at least through the weekend. Travel delays in areas of fog with low visibility at times.

November 11, 2021 at 10:38 AM Two dogs are running in the roadway near Bush Road and Rock Creek Road in the North Bloomfield area. They’re both young, dark brindled and look to be approximately one year old. If you are missing your pups, please go look for them.

November 10, 2021 at 7:11 PM Vehicle into a ditch on East Brookview Drive off Lower Colfax Road, units dispatched.

November 10, 2021 at 3:29 PM Nevada County Public Health reports 14 new, confirmed COVID-19 cases today. Out of 9,282 cases since the start of the pandemic, 165 are active. Twelve people are hospitalized – one in ICU.

128,133 vaccine doses have been administered to Nevada County residents.

57,165 Nevada County residents are fully vaccinated, 64.2% of the eligible population.

New cases by age

Age groupCasesDifference
0-171,381+2
18-291,567-2
30-391,673+1
40-491,300+2
50-641,803+5
65+1,555+1

November 10, 2021 at 3:16 PM Semi truck with smoking brakes on Hwy 20 at Rough and Ready Hwy. No fire, just hot brakes.

November 10, 2021 at 12:52 PM The November 10, 2021 webinar on COVID in Nevada County is available for on-demand viewing.

November 10, 2021 at 10:52 AM Accident on Hwy 49 near the Bear River Bridge, car vs deer.

November 10, 2021 at 9:23 AM Accident on Hwy 49 at La Barr Meadows Road, car is off the roadway and driver is out of the vehicle.

November 10, 2021 at 7:07 AM Today is a permissible burn day in western Nevada County.

Burn only natural vegetation that has been down at least 3 weeks and grew on the property where you are burning. Never burn garbage, construction debris, painted wood, plastic etc. (burning such man-made materials releases highly toxic pollutants). For best smoke dispersion, recommended burn hours are 9 AM to 3 PM. 

A CAL FIRE burn permit is not required at this time.

Burning is always prohibited inside the city limits of Nevada City and Grass Valley. 

Truckee Area / Eastern Nevada County:

For best smoke dispersion, recommended burn hours are 9 AM to 3 PM.  Inside the Truckee Fire Protection District, burning is restricted to daylight hours only.

A CAL FIRE Burn Permit (available at https://burnpermit.fire.ca.gov/) or a permit issued by the Truckee Fire Protection District is always required in the Truckee area.

November 9, 2021 at 5:16 PM Nevada County Public Health reports 69 new, confirmed COVID-19 cases today. Out of 9,273 cases since the start of the pandemic, 194 are active. Fourteen people are hospitalized – one in ICU.

127,475 vaccine doses have been administered to Nevada County residents.

57,112 Nevada County residents are fully vaccinated, 64.1% of the eligible population.

New cases by age

Age groupCasesDifference
0-171,379+8
18-291,569+13
30-391,672+9
40-491,298+13
50-641,798+14
65+1,554+12

November 9, 2021 at 4:06 PM Vehicle vs tree on Hwy 49, 3 miles past Newtown Road near Crooked Arrow Lane. Units at scene.

November 9, 2021 at 1:17 PM Sharing the best spot.

Turkeys hanging out

November 9, 2021 at 12:40 PM An unspecified traffic hazard on eastbound Lime Kiln Road near Duggans Road, use caution in the area.

November 9, 2021 at 8:58 AMShowers and gusty winds continue today. Morning Valley fog development possible tomorrow – the weekend. Dry and warming temperatures late week.

November 9, 2021 at 8:27 AM Vehicle vs tree on Hwy 20 at Rough and Ready Hwy, units dispatched.

November 9, 2021 at 7:43 AM Today is a permissible burn day in western Nevada County.

Burn only natural vegetation that has been down at least 3 weeks and grew on the property where you are burning. Never burn garbage, construction debris, painted wood, plastic etc. (burning such man-made materials releases highly toxic pollutants). For best smoke dispersion, recommended burn hours are 9 AM to 3 PM. 

A CAL FIRE burn permit is not required at this time.

Burning is always prohibited inside the city limits of Nevada City and Grass Valley. 

Truckee Area / Eastern Nevada County:

For best smoke dispersion, recommended burn hours are 9 AM to 3 PM.  Inside the Truckee Fire Protection District, burning is restricted to daylight hours only.

A CAL FIRE Burn Permit (available at https://burnpermit.fire.ca.gov/) or a permit issued by the Truckee Fire Protection District is always required in the Truckee area.

November 8, 2021 at 10:48 PM Non-injury accident on Cascade Crossing Road at Combie Road. Vehicle off the roadway.

November 8, 2021 at 4:26 PM Non-injury accident on Hwy 49 at Running M Drive. Overturned vehicle on the right-hand side.

November 8, 2021 at 3:36 PM Nevada County Public Health reports 50 new, confirmed COVID-19 cases today. Out of 9,204 cases since the start of the pandemic, 132 are active. Fifteen people are hospitalized – one in ICU.

127,167 vaccine doses have been administered to Nevada County residents.

57,101 Nevada County residents are fully vaccinated, 64.1% of the eligible population.

New case by age

Age groupCasesDifference
0-171,371+7
18-291,556+6
30-391,663+15
40-491,285+3
50-641,784+7
65+1,542+12

November 8, 2021 at 1:57 PM A dog is running on northbound Hwy 49 at Alta Sierra Drive – watch for the pup please.

November 8, 2021 at 11:43 AM An infrequent visitor, this sweet-looking (Northern) Black Phoebe is part of the Tyrant Flycatchers family.

Black Phoebe (Sayornis nigricans)

November 8, 2021 at 10:56 AM Traffic hazard at the Nevada City Hwy and Banner Lava Cap Road intersection. “Dozens of household batteries/blocking the intersection,” according to the CHP log. Use caution. Batteries can be recycled for free with your household waste, put them in a clear plastic bag on top of your container. Props for replacing the batteries in smoke detectors, boo hiss for littering.

November 8, 2021 at 9:45 AMRain, wind and mountain snow this evening through Tuesday. Moderate-strength system to bring rain, mountain snow, and wind this evening – tomorrow. Dry and warming temperatures late week.

November 8, 2021 at 9:22 AM Accident on the 16000 block of You Bet Road, units dispatched.

November 8, 2021 at 8:46 AM Defective traffic signals at Brunswick near the northbound on ramp of Hwy 49. Use caution and patience.

November 8, 2021 at 6:50 AM Today is a permissible burn day in western Nevada County.

Burn only natural vegetation that has been down at least 3 weeks and grew on the property where you are burning. Never burn garbage, construction debris, painted wood, plastic etc. (burning such man-made materials releases highly toxic pollutants). For best smoke dispersion, recommended burn hours are 9 AM to 3 PM. 

A CAL FIRE burn permit is not required at this time.

Burning is always prohibited inside the city limits of Nevada City and Grass Valley. 

Truckee Area / Eastern Nevada County:

For best smoke dispersion, recommended burn hours are 9 AM to 3 PM.  Inside the Truckee Fire Protection District, burning is restricted to daylight hours only.

A CAL FIRE Burn Permit (available at https://burnpermit.fire.ca.gov/) or a permit issued by the Truckee Fire Protection District is always required in the Truckee area.

November 8, 2021 at 6:47 AM Accident on You Bet Road at Mule Canyon, solo vehicle off the roadway near the creek, Units dispatched.

November 7, 2021 at 8:41 AM Don’t forget the Bridge of Giving today from 10-3 at the South Yuba bridge benefitting the Food Bank. Thank you Pamela for your tireless work for 16 years!

November 6, 2021 at 12:16 PM Accident on Purdon Road and Montezuma Lane on the San Juan Ridge, units dispatched.

November 6, 2021 at 10:48 AMUnsettled today, wetter storm late Monday – Tuesday. Light rain and mountain snow showers today and into the late evening hours. Winter Weather Advisory issued for the northern Sierra and southern Cascades from 11 AM today to midnight tonight.

November 6, 2021 at 10:40 AM Set those clocks back one hour tonight, sleep in and remember to check the batteries in smoke detectors. Daylight Saving Time ends tonight.

November 6, 2021 at 10:02 AM A cow is taking a weekend stroll on Wolf Road near Garden Bar Road. Unknown if she’s trying to meet up with another cow wandering on Pleasant Valley Road near Hwy 49 at Petersons Corner on the San Juan Ridge. Use caution and remember they don’t know the rules of the road.

November 5, 2021 at 11:50 PM Tree down close to the fog line on westbound Hwy 20 at the Empire Street off ramp. Caltrans has been notified.

November 5, 2021 at 5:19 PM Four dogs in the roadway on Green Ridge Drive off Todd Valley Road. No sled seen. Please use caution in the area.

November 5, 2021 at 3:52 PM Nevada County Public Health reports 27 new, confirmed COVID-19 cases today. Out of 9,154 cases since the start of the pandemic, 133 are active. Fourteen people are hospitalized – two in ICU.

125,989 vaccine doses have been administered to Nevada County residents.

56,908 Nevada County residents are fully vaccinated, 63.9% of the eligible population.

New cases by age

Age groupCasesDifference
0-171,364+10
18-291,550+3
30-391,648+3
40-491,282+4
50-641,777+2
65+1,530+7

November 5, 2021 at 2:52 PM

November 5, 2021 at 11:36 AM CHP is reporting a chemical spill from a tanker truck on eastbound I-80 near the Donner Lake off ramp. The liquid splashed out of the tanker.

November 5, 2021 at 11:33 AMShowers tonight-Saturday, wetter system early next week. Light rain and high elevation mountain snow late tonight and into Saturday. Potential for stronger system late Monday/Tuesday, the system is trending wetter compared to previous forecasts.

November 5, 2021 at 7:57 AM Today is a permissible burn day in western Nevada County.

Burn only natural vegetation that has been down at least 3 weeks and grew on the property where you are burning. Never burn garbage, construction debris, painted wood, plastic etc. (burning such man-made materials releases highly toxic pollutants). For best smoke dispersion, recommended burn hours are 9 AM to 3 PM. 

A CAL FIRE burn permit is not required at this time.

Burning is always prohibited inside the city limits of Nevada City and Grass Valley. 

Truckee Area / Eastern Nevada County:

For best smoke dispersion, recommended burn hours are 9 AM to 3 PM.  Inside the Truckee Fire Protection District, burning is restricted to daylight hours only.

A CAL FIRE Burn Permit (available at https://burnpermit.fire.ca.gov/) or a permit issued by the Truckee Fire Protection District is always required in the Truckee area.

November 4, 2021 at 5:05 PM Nevada County Public Health reports 5 new, confirmed COVID-19 cases today. Out of 9,125 cases since the start of the pandemic, 129 are active. Twelve people are hospitalized – two in ICU. One additional fatality has been recorded, bringing the total death toll to 105.

125,671 vaccine doses have been administered to Nevada County residents.

56,839 Nevada County residents are fully vaccinated, 63.8% of the eligible population.

New case by age

Age groupCasesDifference
0-171,3540
18-291,547+1
30-391,645+1
40-491,2780
50-641,775+1
65+1,523+2

November 4, 2021 at 4:30 PM Vehicle into the center divide o Hwy 49 at the Bennett Street off ramp.

November 4, 2021 at 4:00 PM Look who’s still hanging around in the area, this time near Mazanita Diggins and Hwy 20.

November 4, 2021 at 12:10 PM Non-injury accident on Hwy 49 at Combie. The roadway is clear.

November 4, 2021 at 9:36 AMShowers today, wetter weather early next week. Rain and high elevation mountain snow late Friday – Saturday. Then, rain and mountain snow chances Monday – Tuesday.

November 4, 2021 at 8:29 AM Tree branches in the roadway on northbound Hwy 49 in the Golden Oaks area. Motorists are swerving, according to a reader report. Use caution in the area.

November 4, 2021 at 7:45 AM Non-injury accident on Wolf Road near Hwy 49. The roadway is clear.

November 4, 2021 at 7:42 AM Today is a permissible burn day in western Nevada County.

Burn only natural vegetation that has been down at least 3 weeks and grew on the property where you are burning. Never burn garbage, construction debris, painted wood, plastic etc. (burning such man-made materials releases highly toxic pollutants). For best smoke dispersion, recommended burn hours are 9 AM to 3 PM. 

A CAL FIRE burn permit is not required at this time.

Burning is always prohibited inside the city limits of Nevada City and Grass Valley. 

Truckee Area / Eastern Nevada County:

For best smoke dispersion, recommended burn hours are 9 AM to 3 PM.  Inside the Truckee Fire Protection District, burning is restricted to daylight hours only.

A CAL FIRE Burn Permit (available at https://burnpermit.fire.ca.gov/) or a permit issued by the Truckee Fire Protection District is always required in the Truckee area.

November 3, 2021 at 8:29 PM Units have thoroughly searched Mooney Flat Road. No car accident found, this will be classified under unable to locate. All units are returning to their stations.

November 3, 2021 at 8:19 PM Vehicle accident on Mooney Flat Road, reported as heard only collision. Units dispatched.

November 3, 2021 at 5:34 PM Nevada County Public Health reports 37 new, confirmed COVID-19 cases today. Out of 9,120 cases since the start of the pandemic, 157 are active. Ten people are hospitalized – three in ICU.

125,234 vaccine doses have been administered to Nevada County residents.

56,779 Nevada County residents are fully vaccinated, 63.7% of the eligible population.

New cases by age

Age groupCasesDifference
0-171,354+6
18-291,546+7
30-391,644+3
40-491,278+5
50-641,774+5
65+1,521+6

November 3, 2021 at 9:11 AMShowers tonight into early Thursday, wetter weather next week with rain and snow. Widespread rain chances tonight into Thursday. Wetter weather system to bring widespread snow through midweek, heaviest Monday into Tuesday. Snow levels 5000 – 6000 feet with up to 1-2 feet possible over mountain passes.

November 3, 2021 at 8:59 AM Accident on northbound Hwy 49 just south of McKnight. Two cars involved, in the slow lane.

November 3, 2021 at 8:58 AM Non-injury accident on Hwy 49 at Christian Life Way, units at scene.

November 3, 2021 at 8:49 AM Accident on Hwy 20 just west of Rough and Ready Hwy.

November 3, 2021 at 8:00 AM Today is a permissible burn day in western Nevada County.

Burn only natural vegetation that has been down at least 3 weeks and grew on the property where you are burning. Never burn garbage, construction debris, painted wood, plastic etc. (burning such man-made materials releases highly toxic pollutants). For best smoke dispersion, recommended burn hours are 9 AM to 3 PM. 

A CAL FIRE burn permit is not required at this time.

Burning is always prohibited inside the city limits of Nevada City and Grass Valley. 

Truckee Area / Eastern Nevada County:

For best smoke dispersion, recommended burn hours are 9 AM to 3 PM.  Inside the Truckee Fire Protection District, burning is restricted to daylight hours only.

A CAL FIRE Burn Permit (available at https://burnpermit.fire.ca.gov/) or a permit issued by the Truckee Fire Protection District is always required in the Truckee area.

November 3, 2021 at 7:41 AM Accident on Hwy 20 near Scotts Flat Road, the roadway is clear.

November 3, 2021 at 7:33 AM TNF Yuba River North firefighters will continue their prescribed burn in the Plum Division on Pliocene Ridge in the Pike City area today. The goal is 50 acres of machine piles. Yuba South is continuing on the JJJ unit below White Cloud and plans on at least 10 acres.

November 2, 2021 at 7:09 PM Medics are leaving the scene of a solo motorcycle accident on East Main Street to transfer the patient to an air ambulance that will land at Bethel Church on Hwy 49. Emergency services remain at scene, on East main, major traffic issues. Avoid the area if possible.

November 2, 2021 at 5:32 PM A Great Pyrenees has been found on Highland Drive off Rattlesnake Road. Wearing a red collar with no tags, the pup would be better back with their owners. Call Rachel at 530-798-3947 to arrange reunification.

November 2, 2021 at 3:47 PM Did you and only you lose power? A reader alerted us to a new type of power outage – the “single customer outage.” PG&E’s website has this cryptic announce: “Due to a technical issue, a series of single customer outages are being experienced system wide. PG&E teams are currently working to resolve the issues. We expect power to be restored in a few hours. We appreciate your patience.” Throughout their territory, PG&E reports some 3,434 unplanned outages. Currently 28 single customer outages in Nevada County, 165 in Placer, 36 in Yuba, 66 in El Dorado and so on.

November 2, 2021 at 12:50 PM Yuba River North fire team has finished the piles on Pendola Ranch Road and are starting ignition of the machine piles on Baker Ranch Road.

November 2, 2021 at 12:10 PM The pup’s owners have reclaimed him, all is well. Thanks to reader Joanna for caring!

November 2, 2021 at 11:46 AM This intact male dog has been found on North Bloomfield just outside of Nevada City. If he is yours, please call Joanna at 850-449-1244.

November 2, 2021 at 9:32 AM Solo vehicle accident on Round Valley Circle in the Alta Sierra area.

November 2, 2021 at 8:42 AM TNF prescribed burns: South Yuba is looking at burning today in the Western Nevada County Community Defense Plan (WNCCDP) unit JJJ. This unit is located below White Cloud station. The plan is to go for 10 acres today and if all goes well continue tomorrow for more acres. The other pile burn will be at Garden Valley, below Pendola and will continue tomorrow if conditions are favorable.

November 2, 2021 at 8:07 AMLight showers mid to late week, unsettled weather next week with rain and snow. Widespread rain chances Wednesday night into Thursday. Unsettled next week with widespread rain and snow.

November 2, 2021 at 7:48 AM Today is a permissible burn day in western Nevada County.

Burn only natural vegetation that grew on the property where you are burning.  Never burn garbage, construction debris, painted wood, plastic etc. (burning such man-made materials releases highly toxic pollutants). For best smoke dispersion, recommended burn hours are 9 AM to 3 PM. 

A CAL FIRE burn permit is not required at this time.

Burning is always prohibited inside the city limits of Nevada City and Grass Valley. 

Truckee Area / Eastern Nevada County:

For best smoke dispersion, recommended burn hours are 9 AM to 3 PM.  Inside the Truckee Fire Protection District, burning is restricted to daylight hours only.

A CAL FIRE Burn Permit (available at https://burnpermit.fire.ca.gov/) or a permit issued by the Truckee Fire Protection District is always required in the Truckee area.

Источник: https://yubanet.com/featured/now/

Air Quality Forecast

Use two fingers to pan the map...

Air Quality Forecast and Spare the Air Alerts

Air is almost always on the move, and pollution can easily drift from one reporting zone to another. This is particularly true in the Bay Area, which forms a single air basin, and where winds can blow pollution from one location into neighboring valleys.

That is why a Spare the Air Alert is called for the entire Bay Area when air quality is forecast to be unhealthy in any one of the five reporting zones: North Counties, Coast and Central Bay, Eastern Zone, South Central Bay, and Santa Clara Valley.

Reporting zones are different from county lines: they are defined by air current patterns and geographic features that lead to shared air quality within certain areas.

The Air District issues a daily forecast that predicts air pollution levels for the coming five-day period. The forecast uses the U.S. EPA's Air Quality Index to indicate how healthy or unhealthy those air pollution levels are expected to be.

A Spare the Air Alert is called when air quality is forecast to be unhealthy, or above 100 in the AQI, in any one of the reporting zones. An alert may span over two days if air quality is expected to remain unhealthy for prolonged periods.

If air quality is unhealthy in the Bay Area, it is almost always because of two kinds of air pollutants: Ozone and fine particulate matter, or PM2.5.

The daily forecast is available by signing up for email ‌AirAlerts or calling the Air District’s 24-hour, toll-free information line (1-800-HELP AIR).

Источник: https://www.sparetheair.org/understanding-air-quality/air-quality-forecast

During the week, air quality measurement services from the U.S. and across the world found that California, along with parts of the Pacific Northwest, had the worst air quality levels recorded for decades.

Record smoke, air quality highs across California

Cities such as San Francisco and Los Angeles, besieged by ash and smoke plumes coming from the record setting wildfires nearby, clocked air quality measurements worse than heavily polluted cities in Asia.

San Francisco, which normally has an air quality AQI score of between 40 and 60, recorded an average score of 194, breaking it’s all-time worst record. Multiple nearby wildfires, including the nearby CZU August Lightning Complex fire currently threatening the outskirts of San Jose, has suffocated the region, with so much smoke and particles in the air than skies have turned orange in the last few days.

Meanwhile Los Angeles, which tends to have an average AQI score of around 60, has seen their score jump up in recent days too thanks to the nearby Bobcat Fire, which is currently threatening San Gabriel Valley cities. With a score on Friday of 153, Los Angeles is now tied in air quality with New Delhi, India, not reaching air pollution this high in 25 years.

With other major cities such as Sacramento, Fresno, and San Diego also experiencing bad air quality, ash falls, and discolored skies, almost every part of California is now being negatively affected by the dozens of active wildfires in the state.

Health officials from the California Air Resources Board (CARB) are warning residents that the overall air quality and interactions such as breathing in ash and soot is very dangerous and are warning those with health conditions to stay inside.

 

Dangerous pollutant levels, an added benefit to wearing COVID-19 masks

“The air quality and the fires have been particularly dangerous this year,” noted CARB health and exposure branch head Bonnie Holmes-Gen in a statement.  “They can build up in our bodies, and they can cause a number of immediate health problems ranging from itching, burning eyes and scratchy throat and shortness of breath, but also can cause long-term problems. Anybody with existing lung or heart conditions is particularly vulnerable to smoke.

“If you smell smoke, close your windows, turn on air-conditioning, and if you can, get filters for the air conditioning so no particles come inside. Our lungs are very sensitive. Lungs are not meant to breathe then these amounts of hazardous particles, so it is important to protect yourself and stay indoors. Our fires in California are affecting surrounding states and the smoke can have quite a wide reach. It can travel thousands of miles. People do need to be aware of that.”

With over 1 million acres burned in the past week, officials also warn that poor air quality may continue for some time if fires aren’t put out immediately.

Jack Braun, who had been advising some local governments on COVID-19 measures, said that mandatory masks are a blessing in disguise for many during this time.

“Even the weakest masks block something,” explained Braun to the Globe. “And those N95 masks? This is what they’re made for. They stop PM 2.5 particles, also known as the particles from the wildfires, as well as COVID-19. A lot of people and cities have a bunch for COVID-19 already, and now they can have extended time outside in the smoked areas. It gets tricky if those masks have valves, but generally as long as you pay attention to what you need it for the N95 is great. So if the air quality is bad, these help you outside.”

“They saved lives during the pandemic and now they can do it again during the wildfires.”

While wildfires are being battled around the clock and are slowly being contained around the state, high pollution and wildfire smoke levels are expected to continue for at least the weekend in most areas.

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Evan Symon

Evan Symon

Evan V. Symon is the Senior Editor for the California Globe. Prior to the Globe, he reported for the Pasadena Independent, the Cleveland Plain Dealer, and was head of the Personal Experiences section at Cracked. He can be reached at [email protected]

Evan Symon

Latest posts by Evan Symon (see all)

Источник: https://californiaglobe.com/articles/california-air-quality-skyrockets-to-some-of-the-worst-levels-ever-due-to-wildfires/

Saturday will be a scorcher in parts of the Bay Area, especially for those who live inland. And if the heat was not enough, drifting smoke from California wildfires will cause air pollution.

But there’s good news: Temperatures are expected to drop on Sunday.

On Thursday, the Bay Area Air Quality Management District issued Spare the Air alerts for Friday and over the weekend, saying wildfire smoke was forecast to diminish air quality.

The conditions were not expected to exceed federal health standards, however.

It is illegal for Bay Area residents and businesses to use their fireplaces, wood stoves, pellet stoves, outdoor fire pits or any other wood-burning devices during a Spare the Air alert.

“We will be continuing the alert through at least Sunday,” said Ralph Borrmann, a district spokesman. “It’s just that there’s a lot of built-up smoke right now that is impacting air quality.”

Temperatures will be highest in the Bay Area over the weekend in the inland areas, according to the National Weather Service.

On Saturday, temperatures were projected to reach 102 degrees in Livermore, while Concord could climb to 101. The temperature in San Jose was forecast to be 93 degrees at its highest.

Given the heat in Sunnyvale in the Santa Clara Valley, the public library opened its doors Saturday as an official cooling center. The library at 665 W. Olive Ave. will remain open until 6 p.m.

On Sunday temps of up to 95 degrees are forecast in Santa Clara Valley, while San Jose is expected to reach 90 degrees. Oakland will be at 82, Monterey at 74 and San Francisco at 72, according to the weather service.

The weather is expected to stay cooler in other areas, thanks to a marine layer off the coast that is still holding despite the increase in high temperatures and smoky conditions.

After Sunday, temperatures are expected to fall due to increasing northwesterly winds and will continue dropping into next week, when another low-pressure trough begins to descend upon the Bay Area, according to the weather service.

Spare the Air alerts are issued when ozone or particulate matter pollution is forecast to reach unhealthy levels.

If the smell of smoke is present or visible, people should stay inside with windows and doors closed until smoke levels subside. It is also recommended that people set air conditioning units and car vent systems to re-circulate to prevent outside air from moving inside.

Borrmann said the areas most impacted from the pollution generated by the wildfires this weekend are in the North Bay and in the East Bay, or the places farthest from the coast.

“Unfortunately, smoke is again expected to cause unhealthy air quality this weekend due to continued impacts from wildfires,” Jack Broadbent, executive officer of the air district, said in a statement. “Residents should stay vigilant, track local air quality conditions and head indoors if air quality reaches unhealthy levels to protect their health.”

This is a developing story. Check back for updates.

Источник: https://www.eastbaytimes.com/2021/08/28/high-temperatures-and-smokey-conditions-set-for-bay-area

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