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

San Francisco

San Francisco County, California

2025-12-15 20:00
AQI (China)
Excellent
Pollutants|Pollens
PM2.5
μg/m³
17
NO2
μg/m³
20.1
CO
μg/m³
625
O3
μg/m³
12.9
Weather
  • ℃
  • ℉
12℃
74%
10 kph
2 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM2.5
  • NO2
  • CO
  • O3
Places included
San Francisco
AQI 25
Data Sources
http://www.airnow.gov/

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Cities Nearby

San Francisco
AQI 25
Brisbane
AQI 25
Daly City
AQI 25
Broadmoor
AQI 25
Sausalito
AQI 25
Tiburon
AQI 8
Belvedere
AQI 8
Colma
AQI 25
Alameda
AQI 36
South San Francisco
AQI 25
Oakland
AQI 29