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

San Francisco

San Francisco County, California

2026-02-18 17:00
AQI (India)
Good
Pollutants|Pollens
NO2
μg/m³
37.2
O3
μg/m³
38.6
CO
μg/m³
625
PM2.5
μg/m³
6
Weather
  • ℃
  • ℉
8℃
74%
11 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • NO2
  • O3
  • CO
  • PM2.5
Places included
San Francisco
AQI 47
Data Sources
http://www.airnow.gov/

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Cities Nearby

San Francisco
AQI 47
Brisbane
AQI 10
Daly City
AQI 10
Broadmoor
AQI 10
Sausalito
AQI 10
Tiburon
AQI 2
Belvedere
AQI 2
Colma
AQI 10
Alameda
AQI 7
South San Francisco
AQI 10
Oakland
AQI 52