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Learn about the Spare the Air Program and how the season affects air quality, and find out whether a Spare the Air Alert is in effect.

Get air quality and weather information for the Bay Area.

View and download the rebranded Air District logos.

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

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

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

Get the latest information and findings from the Air District's emissions inventory of toxic air contaminants.

Frequently Asked Questions - Air Quality

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.

The Air District’s leadership team oversees its operations, supports its mission, and guides its approach to managing and improving air quality in the Bay Area.

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

The Clean Air Center Program provides funding for county agencies in the San Francisco Bay Area to create a network of clean air centers to mitigate the adverse public health impacts due to wildfires and other smoke events.

Get the latest information and findings from the Air District's emissions inventory of criteria air pollutants.

The Air  District is issuing an air quality advisory for wildfire smoke for tomorrow, Thursday, August 12. Northerly winds are expected to bring smoke from the Northern California and Southern Oregon wildfires into the Bay Area. Smoke is expected to be mostly aloft with intermittent periods of smoke mixing to the surface, particularly at higher elevation locations in the North and East Bay regions.  Air quality is not expected to exceed the federal health standard and therefore, no Spare the Air Alert is in effect.

The Air District is extending an air quality advisory for wildfire smoke through Sunday, August 15. Smoke from Northern California and Southern Oregon wildfires is expected to continue to impact the Bay Area over the weekend. Smoke is expected to be mostly aloft with intermittent periods of smoke mixing to the surface, particularly at higher elevation locations in the North Bay Mountains, East Bay Hills, Diablo Range, and Coastal Hills. Air quality is not expected to exceed the federal health standard and therefore, no Spare the Air Alert is in effect. 

The Air District is issuing an air quality advisory for wildfire smoke for Wednesday, August 18. Smoke from the Northern California wildfires is expected to again impact the Bay Area on Wednesday. Onshore winds are expected to shift to strong north/northeast winds in the Sacramento Valley, pushing smoke into the Bay Area. Smoke impacts are forecast to be more widespread than last week. Air quality is expected to be in the mid to high-moderate range and not exceed the federal health standard, so no Spare the Air Alert is in effect. 

The Air District is extending an air quality advisory for wildfire smoke through tomorrow, Friday, August 13. Northerly winds will continue to bring smoke from the Northern California and Southern Oregon wildfires into the Bay Area. Smoke is expected to be mostly aloft with intermittent periods of smoke mixing to the surface, particularly at higher elevation locations in the North and East Bay regions.  Air quality is not expected to exceed the federal health standard and therefore, no Spare the Air Alert is in effect.

The Air District is extending an air quality advisory for wildfire smoke through Monday, August 16. Smoke from Northern California and Southern Oregon wildfires continues to impact the Bay Area. Smoke is expected to be mostly aloft with intermittent periods of smoke mixing to the surface, particularly at higher altitude locations in the North and East Bay mountains and coastal regions down towards the Santa Cruz Mountains. Air quality is not expected to exceed the federal health standard and therefore, no Spare the Air Alert is in effect.