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The Air District is extending an air quality advisory due to wildfire smoke from wildfires in the western U.S. and Canada through Saturday, August 10. An inversion layer combined with local pollution and residual smoke from fires in the western U.S. and Canada continues to impact air quality in the Bay Area, causing hazy and smoky skies. Air quality is expected to be Good to Moderate on the Air Quality Index.

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.

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 ...

Dec 18, 2025 ... Real-Time Air Quality Data Sources in the Bay Area Introduction The Bay Area is served by multiple complementary air monitoring networks, including a regulatory network maintained by the Bay ...

What’s Your Air Quality IQ?

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 ...

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 ...

Dec 18, 2025 ... Real-Time Air Quality Data Sources in the Bay Area Introduction The Bay Area is served by multiple complementary air monitoring networks, including a regulatory network maintained by the Bay ...

Aug 11, 2021 ... AIR QUALITY ADVISORY FOR IMMEDIATE RELEASE: August 11, 2021 CONTACT: Walter Wallace, 415.519.4628 Air District issues air quality advisory for Thursday SAN FRANCISCO – The Bay ...

Aug 25, 2023 ... FOR IMMEDIATE RELEASE: August 25, 2023 CONTACT: communications@baaqmd.gov Air District extends air quality advisory through Sunday SAN FRANCISCO – The Bay Area Air Quality Management ...

Aug 20, 2021 ... AIR QUALITY ADVISORY FOR IMMEDIATE RELEASE: August 20, 2021 CONTACT: Aaron Richardson, 415.760.0242 Air District issues air quality advisory for Saturday SAN FRANCISCO – The ...

Aug 22, 2023 ... FOR IMMEDIATE RELEASE: August 22, 2023 CONTACT: communications@baaqmd.gov Air District extends air quality advisory through Wednesday SAN FRANCISCO – The Bay Area Air Quality Management ...

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 ...