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Learn about the Air District's process, methods, and goals for developing air quality management plans for the Bay Area.

Learn about the Air District's air monitoring network and activities, including laboratory support, data quality assurance, and pollutant source testing.

Frequently Asked Questions - Air Quality

Smoke from wildfires throughout the Bay Area is impacting air quality.  

Localized air quality impacts may occur as Marathon Refinery in Martinez idles operations.

Learn about the Air District's free air quality widgets and add them to your website.

Learn all about air quality in the Bay Area, including air quality and weather forecasts, open burn and spare the air status, wood smoke pollution, and more.

Get daily forecasts of air quality and weather factors that affect air pollution potential in the Bay Area.

Get air quality and weather information for the Bay Area.

View current and historical air quality data based on measurements taken from the Air District's air monitoring network.

Learn about the Air District's complaint program and investigation process.

View reports summarizing the air quality and pollutant data collected from the Bay Area's air quality monitoring network each year.

These resources can assist practitioners in evaluating air quality and climate impacts during the environmental review process pursuant to CEQA. The tools, data, methodologies, and guidance provided do not represent an exhaustive list and should be used in conjunction with other resources.

Learn about the Wildfire Air Quality Response Program, which was developed by the Air District to help mitigate the effect of wildfires on air quality in the Bay Area.

The Air District is issuing an air quality advisory for wildfire smoke through Thursday, August 31. A Spare the Air Alert is also in effect for today, Wednesday, August 30. Smoke from numerous fires in Northern California and Oregon is expected to impact air quality throughout the Bay Area through tomorrow, causing air quality to reach high-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 for Thursday.

The Bay Area Air Quality Management District is extending an air quality advisory for wildfire smoke from the Sites Fire, located in western Colusa County, through Thursday, June 20. 

The Air District is issuing an air quality advisory for wildfire smoke through Wednesday, September 20. Smoke from fires in Northern California and Oregon is expected to impact air quality throughout the Bay Area area, causing air quality to reach high-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 for wildfire smoke from the Sites Fires, located in western Colusa County, through Wednesday, June 19. 

The Air District is extending an air quality advisory for wildfire smoke through Tuesday, August 22. Smoke from numerous fires in Northern California and the Plant Fire in Southern California is expected to impact air quality throughout the Bay Area on Monday and Tuesday, causing air quality to reach 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 for wildfire smoke through Monday, August 21. Smoke from numerous fires in Northern California and the Plant Fire in Southern California is expected to impact air quality throughout the Bay Area on Sunday and Monday, 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.