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To meet federal and state air quality standards, the Air District compiles emissions inventories for criteria air pollutants, greenhouse gases, and toxic air contaminants, and conducts special emissions studies.

View air quality complaints that have been received and investigated by the Air District in the past year.

Find out how the Air District uses modeling to understand pollutant behavior, estimate exposure levels, help with regional planning, support permit applications, and more.

Due to heavy smoke moving into the Bay Area from the extensive Camp Fire in Butte County, the Air District is extending the Winter Spare the Air Alert through Friday, November 16.

Air District funding is available to help upgrade or replace older, high-emitting, heavy-duty school buses with newer, alternative fuel or zero-emission school buses.

Learn about Sonoma County - its climate, potential air pollution concerns, and current air quality. You can also view upcoming Air District events in Sonoma County and read about local efforts to improve air quality.

The Air District does not discriminate on the basis of race, national origin, ethnic group identification, ancestry, religion, age, sex, sexual orientation, gender identity, gender expression, color, genetic information, medical condition, or mental or physical disability, or any other attribute or belief protected by law.

Find out how the Air District is reducing emissions from mobile vehicles and equipment in the Bay Area.

Learn about the cost of emissions credits, interchangeable emissions reduction credits, and how the Air District meets federal equivalency requirements.

View the Refinery Emissions Inventory Guidelines, a resource for petroleum refineries and Air District staff on calculating emissions inventories.

Learn more about the Regional Fund and Air District Sponsored Programs and explore funding opportunities for clean air vehicles and trip reduction projects.

Learn about the Air District's Public Participation Plan; find out how you can get involved with the Air District and how the Air District plans to develop greater public participation opportunities throughout the Bay Area.

The Air District is requesting an abatement order from the agency’s independent Hearing Board to correct air quality violations at Tesla’s electric vehicle manufacturing facility in Fremont.

The Air District’s Clean Air Filtration Program aims to provide access to high efficiency air filtration to help those who are most vulnerable to wildfire smoke and air pollution. This page provides a comprehensive look at all ongoing and upcoming Air District partnerships and efforts to reduce health impacts from wildfire smoke and improve health equity across the Bay Area.

The Air District implements the Community Air Protection Incentives Program to reduce emissions and exposure in the Bay Area communities most impacted by air pollution by funding projects that clean up old, dirty heavy-duty vehicles and equipment. 

Learn how the Air District collects, uses, and protects user information.

Retrofit or replace locomotive equipment with funding from the Carl Moyer Program.

Learn how climate change is affecting our planet and what you can do to help reduce greenhouse gases.

Learn about Napa County - its climate, potential air pollution concerns, and current air quality. You can also view upcoming Air District events in Napa County and read about local efforts to improve air quality.