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

San Francisco

San Francisco County, California

2026-05-09 19:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
13
O3
μg/m³
47.1
NO2
μg/m³
2.7
CO
μg/m³
125
Weather
  • ℃
  • ℉
17℃
63%
32 kph
9 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • NO2
  • CO
Places included
San Francisco
AQI 21
Data Sources
http://www.airnow.gov/

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Cities Nearby

San Francisco
AQI 58
Brisbane
AQI 58
Daly City
AQI 58
Broadmoor
AQI 58
Sausalito
AQI 54
Tiburon
AQI 54
Belvedere
AQI 54
Colma
AQI 58
Alameda
AQI 58
South San Francisco
AQI 58
Oakland
AQI 50