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

San Francisco

San Francisco, California

2026-04-30 01:00
CAQI (Europe)
Very Low
Pollutants|Pollens
PM2.5
μg/m³
15
O3
μg/m³
57.9
CO
μg/m³
500
NO2
μg/m³
2.5
Weather
  • ℃
  • ℉
15℃
73%
44 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • PM2.5
  • O3
  • CO
  • NO2
Data Sources
http://www.airnow.gov/

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Cities Nearby

San Francisco
AQI 25
Brisbane
AQI 25
Alameda
AQI 22
Daly City
AQI 25
Broadmoor
AQI 25
Colma
AQI 25
Oakland
AQI 32
South San Francisco
AQI 25
Emeryville
AQI 20
Sausalito
AQI 25
Tiburon
AQI 12