Air District Operations

The Air District is taking steps to ensure Bay Area air quality and public health are protected while the shelter-in-place orders are in effect. Permits for businesses adjusting operations to aid in the public health response will also be expedited. Read more... | en Español

Air Quality Advisory

Smoke from wildfires may slightly impact local air quality and cause hazy skies. There is no Spare the Air Alert in effect on Friday and air quality is not expected to be unhealthy. See our hourly air quality data for the most up-to-date information, as well as Press Releases@AirDistrict, and our Wildfire Safety Tips web page.  Sign up for Bay Area Air Alerts.  en Español

當前空氣品質

獲取灣區當前和歷史空氣品質和天氣資訊。

空氣監測數據

查看空氣局空氣監測網路收集的當前和歷史空氣品質和天氣資訊。

當前空氣預測

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


一般資訊

415 749-4900


空氣監測

415 749-4985

Contact Us

Spare the Air Status
No Wood Burning
Spare the Air Status
  • Friday,
    9/18

    No Spare the Air Alert in Effect

  • Saturday,
    9/19

    Spare the Air Alert in Effect

Last Updated: 2014/8/19