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

San Francisco County

California

2026-08-31 14:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
7
O3
μg/m³
51.4
NO2
μg/m³
4.3
CO
μg/m³
125
Weather
  • ℃
  • ℉
14℃
79%
17 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • NO2
  • CO
Places included
San Francisco
AQI 39
Data Sources
http://www.airnow.gov/

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Cities Nearby

San Francisco
AQI 39
Brisbane
AQI 39
Daly City
AQI 39
Broadmoor
AQI 39
Sausalito
AQI 39
Tiburon
AQI 6
Belvedere
AQI 6
Colma
AQI 39
Alameda
AQI 39
South San Francisco
AQI 39
Oakland
AQI 45