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The Air District announced today that it has fined the Marathon Martinez Refinery, which is operated by Marathon subsidiary Tesoro Refining & Marketing Company LLC, $5 million for air quality violations. This is the second largest penalty ever assessed by the Air District.

Policy Recommendations for Freeway Corridors and Industrial Zones Adjacent to Residential and Sensitive Land Uses

The Air District will host an in-person conversation with Air District Board Chair Davina Hurt on Saturday, October 5, 2024, from 12 noon – 1 PM. at the Vallejo John F. Kennedy Library. The conversation will focus on community questions and concerns regarding air quality issues and climate change. 

The Air District is announcing the availability of $5 million dollars to fund new bike amenities throughout the region.

The Air District is announcing the availability of $5 million in Volkswagen Environmental Mitigation Trust funding for hydrogen refueling stations.

The Air District has issued 3 Notices of Violation to Valero for violations of air quality regulations and/or permit conditions for the May 5 fire. This is an ongoing investigation, and more violations may be issued.

The Air District and its partners in an initiative to cut air pollution and protect whales today announced results from the 2017 program, which for the first time included speed reduction zones in the San Francisco Bay Area in addition to the Santa Barbara Channel region. 

The Air District and partners in an initiative to cut air pollution and protect whales announced the launch of the 2018 incentive program, which will start July 1 and end November 15, 2018, with voluntary vessel speed reduction zones in the Santa Barbara Channel region and San Francisco Bay area.

Dec 14, 2012 ... BAY AREA AIR QUALITY MANAGEMENT DISTRICT UPDATES TO NEW SOURCE REVIEW AND TITLE V PERMITTING REGULATIONS RESPONSES TO COMMENTS ON FINAL VERSION OF PROPOSED AMENDMENTS October 31, 2012 Over the ...

May 5, 2016 ... May 5, 2016 Ms. Deborah Jordan Director, Air Division United States Environmental Protection Agency 75 Hawthorne Street San Francisco, CA 94105 Dear Ms. Jordan: This is ...

May 20, 2025 ... ...

Feb 11, 2012 ... Nonequilibrium atmospheric secondary organic aerosol formation and growth a a a a a,1 b Véronique Perraud , Emily A. Bruns , Michael J. Ezell , Stanley N. Johnson , Yong Yu , M. Lizabeth Alexander ...