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

San Francisco

San Francisco, California

2025-12-11 14:00
CAQI (Europe)
Low
Pollutants|Pollens
PM2.5
μg/m³
21
NO2
μg/m³
23.2
CO
μg/m³
500
O3
μg/m³
4.3
Weather
  • ℃
  • ℉
8℃
91%
8 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • PM2.5
  • NO2
  • CO
  • O3
Data Sources
http://www.airnow.gov/

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Cities Nearby

San Francisco
AQI 35
Brisbane
AQI 35
Alameda
AQI 22
Daly City
AQI 35
Broadmoor
AQI 35
Colma
AQI 35
Oakland
AQI 21
South San Francisco
AQI 35
Emeryville
AQI 29
Sausalito
AQI 35
Tiburon
AQI 27