The Air District will host an in-person conversation with Air District Board Chair Davina Hurt on Saturday, December 7, 2024, from 12 noon – 1 PM at the Greenhouse Community Room in the San Lorenzo Public Library. The conversation will focus on community questions and concerns regarding air quality issues and climate change.
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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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Air District to represent Bay Area at COP29November 12, 2024
The Air District is sending representatives to attend the United Nations Climate Change Conference, or COP29, in Baku, Azerbaijan from November 11 through November 22. Air District Board of Directors Chair Davina Hurt and Executive Officer Dr. Philip Fine will hold a virtual press conference on Tuesday, November 19 at 10 AM. Bay Area residents are invited to join the discussion, ask questions and share their concerns by connecting with the Air District on Facebook during the livestream press conference.
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Air District releases woodsmoke white paper for public commentNovember 06, 2024
The Air District has released a woodsmoke White Paper for public comment, which provides extensive information on wood burning in the Bay Area, the current state of the regulatory landscape for wood-burning devices, and a discussion of potential recommendations to further minimize woodsmoke emissions and exposures.
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Air District and CARB fine Valero Refining Co. $82 million for air quality violationsOctober 31, 2024
The Air District and the California Air Resources Board are announcing a nearly $82 million penalty in a joint case to address significant air pollution violations by Valero Refining Co. at its Benicia refinery. This penalty is the largest ever assessed in the Air District’s history.
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October 25, 2024
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October 18, 2024
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October 17, 2024
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Upcoming Events
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Other News Articles
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10/17/2024 Air District fines Radius Recycling, formerly Schnitzer Steel, $575,000 for air quality violations
October 17, 2024
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10/8/2024 Air District issues air quality advisory for Novato
October 8, 2024
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10/8/2024 Air District to host Building Appliance Rules learning session on October 22
October 8, 2024
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10/7/2024 Air District to host public meeting on Radius Recycling permit application
October 7, 2024
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10/7/2024 Air District’s James Cary Smith Community Grant Program uplifts Bay Area communities
October 7, 2024
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10/5/2024 Air District extends Spare the Air Alert through Sunday
October 5, 2024
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10/4/2024 Air District issues Spare the Air Alert for Saturday
October 4, 2024
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10/2/2024 Air District extends Spare the Air Alert through Thursday
October 2, 2024
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10/2/2024 Air District fines Marathon Martinez Refinery $5 million
October 2, 2024
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10/2/2024 Air District releases annual Air Toxics Report and online Facility Toxic Emissions and Prioritization Tool
October 2, 2024
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10/1/2024 Air District extends Spare the Air Alert through Wednesday
October 1, 2024
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10/1/2024 Regional Agencies Mark Milestone in the Mandatory Bay Area Commuter Benefits Program
October 1, 2024
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10/1/2024 Air District offers $90 million in grants to reduce toxic air pollution from heavy-duty diesel engines
October 1, 2024
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.
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
Last Updated: 4/21/2017