The Air District is extending a Spare the Air Alert through Saturday, September 23, due to continued wildfire smoke impacts across the region.
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Unhealthy air quality due to wildfire smoke. It is illegal to use fireplaces, wood stoves, pellet stoves, outdoor fire pits or other wood-burning devices. |
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Hindi mabuti sa katawan na kalidad ng hangin dahil sa usok ng wildfire. Ilegal na gumamit ng mga fireplace, wood stove, pellet stove, outdoor na fire pit, o iba oang device sa pagsunog ng kahoy. |
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Calidad del aire dañina para la salud debido al humo de incendios forestales. Es ilegal el uso de chimeneas, estufas de leña, estufas de pélets, fogatas en exteriores u otros dispositivos para quemar leña. |
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Phẩm chất không khí không tốt do khói từ đám cháy rừng. Việc sử dụng lò sưởi, bếp củi, bếp nấu sử dụng viên nén nhiên liệu, lò sưởi ngoài trời hoặc các thiết bị đốt củi khác là bất hợp pháp. |
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A Healthy Breathing Environment For Every Bay Area Resident
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Solano County
Learn about Solano County - its climate, potential air pollution concerns, and current air quality. You can also view upcoming Air District events in Solano County and read about local efforts to improve air quality.
Latest News
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Sep
2 2September 22, 2023
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Sep
2 1September 21, 2023
Air District extends Spare the Air Alert through Friday
The Air District is extending a Spare the Air Alert through Friday, September 22, due to continued wildfire smoke impacts across the region.
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Sep
2 0September 20, 2023
Air District issues Spare the Air Alert through Thursday
The Air District is issuing a Spare the Air Alert due to wildfire smoke for Wednesday, September 20 through Thursday, September 21, which bans burning wood, manufactured fire logs or any other solid fuel, both indoors and outdoors.
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Sep
1 9September 19, 2023
Air District issues air quality advisory through Wednesday
The Air District is issuing an air quality advisory for wildfire smoke through Wednesday, September 20. Smoke from fires in Northern California and Oregon is expected to impact air quality throughout the Bay Area area, causing air quality to reach high-moderate on the U.S. EPA’s Air Quality Index. Smoky, hazy skies may be visible and the smell of smoke is possible. Pollutant levels are NOT expected to exceed the national 24-hour health standard and there is no Spare the Air Alert in effect.
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9/7/23 Air District makes air quality violation information available online
September 7, 2023
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9/6/23 Air District announces three new deputy executive officer appointments
September 6, 2023
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8/30/23 Air District issues air quality advisory through Thursday
August 30, 2023
Solano County is bordered by Napa and Yolo counties to the north, Sacramento County to the east, and San Pablo Bay to the south. The Air District only has jurisdiction over the southwestern portion of the county, which includes Vallejo and Fairfield. One Solano County representative sits on the Air District’s Board of Directors.
Climate
During summer and fall months, high pressure offshore, coupled with thermal low pressure in the Central Valley, draws marine air eastward through the Carquinez Strait almost daily. Temperatures along the coast and inland tend to remain moderate. Winter temperatures range from cool overnight to moderate during the day, while summer temperatures range from moderate overnight to warm during the day. Afternoon westerly winds are common in the southern portion of the county, along the Carquinez Strait. Annual rainfall totals range from 13 inches near the coast to 22 inches inland in Fairfield.
Solano County's climate is also affected by regional Bay Area climate influences.
Interactive Air Monitoring Stations Map
Air Quality in Solano County
Ozone and fine particle pollution, or PM2.5, are the major regional air pollutants of concern in the San Francisco Bay Area. Ozone is primarily a problem in the summer, and fine particle pollution in the winter.
In summer, most of Solano County is exposed to prevailing westerly winds through the Carquinez Strait, which mixes and reduces ozone levels by drawing cooler, marine air from the Pacific Ocean and San Pablo Bay eastward. However, when the marine flow is weak or nonexistent, ozone levels may exceed health standards on a few days each year, mainly east of Suisun City.
In Solano County, PM2.5 concentrations can become elevated enough to exceed health standards during the winter when air pollution is transported from the Central Valley due to prevailing easterly winds. Local residential wood burning can also cause elevated particulate levels on cold, calm evenings during winter.
Spare the Air Status
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Saturday
9 / 23Alert
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Last Updated: 2/14/2019