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

San Francisco

San Francisco County, California

2026-05-09 19:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
49.3
PM2.5
μg/m³
8
CO
μg/m³
125
NO2
μg/m³
1.8
Weather
  • ℃
  • ℉
17℃
63%
33 kph
9 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM2.5
  • CO
  • NO2
Places included
San Francisco
AQI 16
Data Sources
http://www.airnow.gov/

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Cities Nearby

San Francisco
AQI 16
Brisbane
AQI 12
Daly City
AQI 12
Broadmoor
AQI 12
Sausalito
AQI 13
Tiburon
AQI 13
Belvedere
AQI 13
Colma
AQI 12
Alameda
AQI 19
South San Francisco
AQI 12
Oakland
AQI 24