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

San Francisco

San Francisco, California

2026-03-12 13:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
12
NO2
μg/m³
50.9
CO
μg/m³
875
O3
μg/m³
2.1
Weather
  • ℃
  • ℉
13℃
72%
2 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • NO2
  • CO
  • O3
Data Sources
http://www.airnow.gov/

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Cities Nearby

San Francisco
AQI 56
Brisbane
AQI 56
Alameda
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Colma
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Oakland
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South San Francisco
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Emeryville
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Sausalito
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Tiburon
AQI 34