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

Find information on the Air District's rule development efforts, including draft rule documents, opportunities for public participation, and public workshop materials.

Learn about the toxic air contaminants emissions and prioritization scores for permitted facilities within the Bay Area for the latest available year.

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 open burning and permissible fire seasons in the Bay Area and read descriptions of and instructions for conducting certain types of allowable fires.

Apr 30, 2019 ... NEWS RELEASE FOR IMMEDIATE RELEASE: May 1, 2019 CONTACT: Simrun Dhoot - 415.749.4900 Spare the Air smog season begins today as warmer weather nears Commuters encouraged to reduce ...

Apr 27, 2017 ... NEWS FOR IMMEDIATE RELEASE CONTACT: Tom Flannigan April 27, 2017 415.749.4900 ...

May 18, 2022 ... MEDIA ADVISORY DATE: May 18, 2022 CONTACT: Kristine Roselius – 415.519.5419 or kroselius@baaqmd.gov Air District Board confirms Sharon Landers as interim executive officer ...

May 18, 2022 ... NEWS RELEASE FOR IMMEDIATE RELEASE: May 18, 2022 CONTACT: Kristine Roselius – 415.519.5419 or kroselius@baaqmd.gov Air District Board appoints Alexander Crockett as new ...

Apr 26, 2018 ... NEWS RELEASE FOR IMMEDIATE RELEASE: April 26, 2018 CONTACT: Tom Flannigan 415.749.4900 ...

Dec 21, 2022 ... NEWS RELEASE FOR IMMEDIATE RELEASE: December 21, 2022 CONTACT: Kristina Chu – 415-519-5397 or kchu@baaqmd.gov Air District Board confirms Dr. Philip Fine as new executive ...

Feb 10, 2026 ... FOR IMMEDIATE RELEASE: February 11, 2026 CONTACT: communications@baaqmd.gov Air District announces Kimberly Leefatt as new civil rights officer SAN FRANCISCO – The Bay Area Air ...

Apr 22, 2024 ... FOR IMMEDIATE RELEASE: April 23, 2024 CONTACT: communications@baaqmd.gov Air District appoints Arsenio Mataka as deputy executive officer for Equity & Community Programs SAN FRANCISCO – ...

Apr 7, 2025 ... 1-Apr-2025 Bay Area Air District ENTERPRISE SYSTEMS CATALOG This catalog is published in compliance with Senate Bill No. 272 (SB 272). Please refer to Note 1 below the table for further ...

Jan 31, 2023 ... 45500 Fremont BLVD., Fremont CA 94578 P 650 681 5100 F 650 681 5101 st January 31 , 2023 Mr. Jeff Gove Director of Enforcement Bay Area Air Quality Management District 375 Beale ...

Jan 27, 2017 ... DRAFT – 01/18/2017 REGULATION 6 PARTICULATE MATTER RULE 1 GENERAL / VISIBLE EMISSIONS REQUIREMENTS INDEX 6-1-100 GENERAL 6-1-101 Description 6-1-102 Applicability of General Provisions: ...

Jan 16, 2013 ... Attachment A City of Santa Rosa Wastewater Treatment Review of BAAQMD’s Draft Renewal Major Facility Review (Title V) Permit dated June 27, 2012 Application 23455; Plant A1403 Facility Comments ...

Nov 28, 2016 ... Bay Area Air Quality Management District 939 Ellis Street375 Beale Street, Suite 600 San Francisco, CA 941095 (415) 771-6000 FinalProposed MAJOR FACILITY REVIEW PERMIT Issued To: ...

Feb 6, 2013 ... Bay Area Air Quality Management District 939 Ellis Street San Francisco, CA 94109 (415) 771-6000 Final MAJOR FACILITY REVIEW PERMIT Issued To: City of Mountain View (Shoreline) ...

Mar 4, 2021 ... Bay Area Air Quality Management District 375 Beale Street, Suite 600 San Francisco, CA 94105 (415) 771-5000 DraftFinalProposed MAJOR FACILITY REVIEW PERMIT Issued To: ...