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

San Francisco County

California

2026-04-19 02:00
AQHI (Canada)
Low
Pollutants|Pollens
O3
μg/m³
68.6
PM2.5
μg/m³
9
NO2
μg/m³
8.8
Weather
  • ℃
  • ℉
15℃
67%
24 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQHI (Canada)
  • Pollen
  • O3
  • PM2.5
  • NO2
Places included
San Francisco
AQI 2
Data Sources
http://www.airnow.gov/

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Cities Nearby

San Francisco
AQI 2
Brisbane
AQI --
Daly City
AQI --
Broadmoor
AQI --
Sausalito
AQI --
Tiburon
AQI --
Belvedere
AQI --
Colma
AQI --
Alameda
AQI --
South San Francisco
AQI --
Oakland
AQI 4