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  2. United States
  3. California
  4. San Francisco County
  5. San Francisco

San Francisco

San Francisco, California

2026-01-22 17:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
19
NO2
μg/m³
45.2
CO
μg/m³
1000
O3
μg/m³
4.3
Weather
  • ℃
  • ℉
14℃
75%
6 kph
2 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • NO2
  • CO
  • O3
Data Sources
http://www.airnow.gov/

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Cities Nearby

San Francisco
AQI 69
Brisbane
AQI 69
Alameda
AQI 58
Daly City
AQI 69
Broadmoor
AQI 69
Colma
AQI 69
Oakland
AQI 59
South San Francisco
AQI 69
Emeryville
AQI 66
Sausalito
AQI 69
Tiburon
AQI 58