Air Quality Advisory

Air Quality Advisory through Wednesday, November 21, due to heavy wildfire smoke impacts in parts of the Bay Area from the Camp Fire in Butte County. See our Wildfire Safety Tips web page.

Current Air Quality

Get air quality and weather information for the Bay Area.

Air Monitoring Data

View current and historical air quality and weather information collected from the Air District’s air monitoring network.

Current Spare the Air Status and Five Day Forecast

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.

Contact Us

Communications
General Information

415.749.4900

Meteorology & Measurements
Air Monitoring

415.749.4985

Contact Us

Wood Burning Status
Wood Burning Status
  • illegal to burn

    Wednesday,
    11/21

    Winter Spare the Air Alert in Effect

Last Updated: 10/14/2017