1. North America
  2. United States
  3. California
  4. San Francisco County
  5. San Francisco

San Francisco

San Francisco, California

2026-05-12 21:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
53.6
NO2
μg/m³
4.9
CO
μg/m³
250
PM2.5
μg/m³
0
Weather
  • ℃
  • ℉
16℃
77%
37 kph
6 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • NO2
  • CO
  • PM2.5
Data Sources
http://www.airnow.gov/

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Cities Nearby

San Francisco
AQI 24
Brisbane
AQI 23
Alameda
AQI 23
Daly City
AQI 23
Broadmoor
AQI 17
Colma
AQI 23
Oakland
AQI 32
South San Francisco
AQI 23
Emeryville
AQI 17
Sausalito
AQI 23
Tiburon
AQI 23