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Learn about the Air District's efforts to conduct air monitoring in East Oakland.

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.

Illegal Federal Rejection of California Motor Vehicle Emissions Standards Hurts the Bay Area

Frequently Asked Questions - Spare the Air and Wood Smoke

Learn about the public comment process for permit applications and how to effectively comment on permit applications that are currently under review by the Air District.

The U.S. AQI does not include recommendations for PM2.5 levels above 500, but levels are sometimes worse (“beyond index”).

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.

View information and materials about upcoming and past conferences.

Learn about the Air District's process for amending definitions of Petroleum Refinery, Gasoline, and Liquid Petroleum Gas in several refinery rules of Air District regulations.

The Air District’s Social Media Policy provides social media users who choose to communicate with the Bay Area Air District via its official social media platforms with guidelines for engagement.

Select Recommendations for Local Governments Developing Policies to Address Air Pollution Adjacent to Communities.

Get the latest information and findings from the Air District's emissions inventory of climate-forcing pollutants.

The Air Monitoring Data page provides both real-time and historical information on air quality and meteorological conditions derived from measurements at air quality monitoring stations around the Bay Area.

Learn about the Air District’s efforts to minimize odors in Milpitas and the surrounding communities.

Learn about the Federal Equivalence Demonstration and read the annual reports.

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.

Learn about the types of vehicles you can purchase or lease to replace your old vehicle under the Clean Cars for All program.

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

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

View tables containing data from the Air District’s GHG monitoring network relating to concentrations of significant greenhouse gases as well as meteorological conditions.