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About Air Quality

Air Quality Data

About Air Quality
  1. Air District
  2. About Air Quality
  3. Current Air Quality
  4. Tabular Air Quality Data

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

Please be aware that some of the data on these pages are raw or unchecked and may contain errors.

Contact Us

Public Information Office

415 749-4900

Air Monitoring

415 749-4985

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Spare the Air Status
Spare the Air Status
  • Wednesday,
    8/23

    No Spare the Air Alert in Effect

Air Quality Widgets

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Last Updated: 5/20/2015