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

San Francisco

San Francisco County, California

2026-01-20 07:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
7
NO2
μg/m³
54.8
CO
μg/m³
750
O3
μg/m³
2.1
Weather
  • ℃
  • ℉
11℃
79%
7 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • NO2
  • CO
  • O3
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 52
Belvedere
AQI 52
Colma
AQI 39
Alameda
AQI 39
South San Francisco
AQI 39
Oakland
AQI 56