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

San Francisco

San Francisco County, California

2026-01-19 05:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
20
NO2
μg/m³
58.5
CO
μg/m³
875
O3
μg/m³
10.7
Weather
  • ℃
  • ℉
13℃
76%
10 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • NO2
  • CO
  • O3
Places included
San Francisco
AQI 71
Data Sources
http://www.airnow.gov/

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Cities Nearby

San Francisco
AQI 71
Brisbane
AQI 71
Daly City
AQI 71
Broadmoor
AQI 71
Sausalito
AQI 71
Tiburon
AQI 60
Belvedere
AQI 60
Colma
AQI 71
Alameda
AQI 102
South San Francisco
AQI 71
Oakland
AQI 75