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The Air District is extending an air quality advisory for wildfire smoke through Sunday, August 27. Smoke from numerous fires in Northern and Southern California and Oregon is expected to impact air quality throughout the Bay Area on Friday, Saturday and Sunday, causing air quality to reach low-moderate on the U.S. EPA’s Air Quality Index. Smoky, hazy skies may be visible and the smell of smoke is possible. Pollutant levels are NOT expected to exceed the national 24-hour health standard and there is no Spare the Air Alert in effect.

Learn about the Air District’s mobile air monitoring van for community air quality investigations. 

Learn about the Air District's Complaint Policy and Procedures, and how we investigate air pollution concerns to ensure compliance with air quality rules and regulations.

The Air District is issuing an air quality advisory through Monday due to wildfires that began overnight throughout the greater Bay Area. Numerous lightning strikes have sparked wildfires across the region. Air quality may deteriorate in areas near or downwind of the fires, but PM2.5 is not expected to exceed the national 24-hour standard.

View state and federal standards for 11 air pollutants and see the Bay Area's attainment status for each pollutant.

The Air District is extending an air quality advisory for wildfire smoke through Monday, September 6. Smoke from wildfires in Northern California is expected to continue to cause hazy and smoky skies across the Bay Area through Monday. Air quality is expected to generally be in the moderate range on the Air Quality Index. Higher concentrations of smoke may intermittently mix to the surface at times, but pollution levels are not expected to exceed federal health standards and no Spare the Air is in effect. 

Air quality is an important consideration for schools when planning student activities, especially when the region is being impacted by wildfire smoke. Read the Air District's new School Air Quality Activity Recommendations for guidance and further information. See also the Air District's Wildfire Preparedness Tips brochure.

The Air District is announcing the launch of a web tool that provides searchable information for all the notices of violation, or NOVs, that the agency has issued within the past five years. This new web tool allows the public to access enforcement information concerning NOVs issued to facilities across the Bay Area.

The Air District has fined Chemtrade $1,150,000 for air quality violations at Chemtrade’s sulfuric acid manufacturing plant in Richmond. The penalty resolves seven notices of violation issued to Chemtrade for violations that occurred at its Richmond facility.

Jun 13, 2019 ... 6/13/2019 Air Quality Monitoring Modes Mode: Mobile Making measurements while in motion Fe at ur es : • Quickly screen for air pollutants over a broad spatial area • Multiple passes can reveal ...

Sep 16, 2020 ... WWW.BAAQMD.GOV | Air District Air Quality Data – Frequently Asked Questions Bay Area Air Quality Management District What are the best resources for air quality data? • The most accurate ...

What’s Your Air Quality IQ?

Sep 18, 2020 ... WWW.BAAQMD.GOV | Air District Air Quality Data Sources Explained Bay Area Air Quality Management District Why different sites show different readings For the past month, Bay Area ...

Oct 24, 2019 ... School Air Quality Activity Recommendations Air quality is an important consideration for schools when planning student activities. The Bay Area Air Quality Management District is ...

Feb 19, 2025 ... Air Quality Complaint Program The Air District receives approximately 5,000 air quality complaints annually from members of the public. Investigating and resolving these complaints is one of our ...

Jul 8, 2025 ... Community-Driven Work Community Air Quality During community air monitoring projects within the Bay Area, communities’ voices are Investigations Mobile heard. Groups made up of people who live and ...

Aug 30, 2023 ... FOR IMMEDIATE RELEASE: August 30, 2023 CONTACT: communications@baaqmd.gov Air District issues air quality advisory through Thursday SAN FRANCISCO – The Bay Area Air Quality Management ...

Aug 9, 2024 ... DATE: August 9, 2024 CONTACT: communications@baaqmd.gov Air District extends air quality advisory through Saturday SAN FRANCISCO – The Bay Area Air Quality Management District is extending ...

Aug 24, 2023 ... FOR IMMEDIATE RELEASE: August 24, 2023 CONTACT: communications@baaqmd.gov Air District issues air quality advisory for Friday SAN FRANCISCO – The Bay Area Air Quality Management District ...

Oct 18, 2024 ... DATE: October 18, 2024 CONTACT: communications@baaqmd.gov Air District issues air quality advisory for Friday SAN FRANCISCO – The Bay Area Air Quality Management District is issuing an air ...