Air Quality Forecasts

Get daily forecasts of air quality in the Bay Area.

Air District meteorologists issue daily forecasts for air quality. 

Available daily forecasts include:

Air Quality Index Levels of Health Concern Numerical
Value
Good 0 to 50
Moderate 51 to 100
Unhealthy for Sensitive Groups 101 to 150
Unhealthy 151 to 200
Very Unhealthy 201 to 300
Hazardous 301 to 500

Note: Values above 500 are considered Beyond the AQI. Follow recommendations for the "Hazardous category." See additional information on reducing exposure to extremely high levels of particle pollution.

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415.749.4900

Meteorology & Measurements
Air Monitoring

415.749.4985

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Spare the Air Status

Last Updated: 8/3/2023