Air quality in San Francisco

This year's air quality levels in San Francisco

year
fresh air
25 AQI
fresh air
25 AQI

Main pollutants

13
PM25
0
PM10
10
NO2
22
O3
  • outdoor sports
  • bring baby out
  • eating outside
The air is pure, ideal for outdoor activities!

This year's air quality levels in San Francisco

13
PM25
0
PM10
10
NO2
22
O3

Main pollutants

AQI

  • 13
    PM25
  • 0
    PM10
  • 10
    NO2
  • 22
    O3

µg/m³

  • 6
    PM25
  • 0
    PM10
  • 20
    NO2
  • 22
    O3

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To avoid the most polluted places in your city, we developed Flow, the personal air quality tracker.

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