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The Air District is extending an air quality advisory for wildfire smoke through Monday, August 28. Smoke from numerous fires in Northern California and Oregon is expected to impact air quality throughout the Bay Area, 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.

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.

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 ...

Jun 29, 2026 ... School Air Quality Activity Recommendations PROTECT STUDENT HEALTH DURING POOR AIR QUALITY Air quality is an important consideration for schools when planning student activities. The Bay Area Air ...

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 ...

Jun 15, 2026 ... Important limitations AIR SENSORS: • Can overestimate pollution levels • Use different correction methods STRENGTHS OF REGULATORY MONITORS depending on the platform or app Understanding • Data is ...

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 ...

Sep 21, 2021 ... AIR QUALITY ADVISORY FOR IMMEDIATE RELEASE: September 21, 2021 CONTACT: Ralph Borrmann, 415.760.0285 Air District issues air quality advisory for Wednesday SAN FRANCISCO – The ...