Air quality in San Francisco

This week's air quality levels in San Francisco

week
fresh air
34 AQI
fresh air
34 AQI

Main pollutants

10
PM25
0
PM10
5
NO2
34
O3
  • outdoor sports
  • bring baby out
  • eating outside
The air is pure, ideal for outdoor activities!

This week's air quality levels in San Francisco

10
PM25
0
PM10
5
NO2
34
O3

Main pollutants

AQI

  • 10
    PM25
  • 0
    PM10
  • 5
    NO2
  • 34
    O3

µg/m³

  • 5
    PM25
  • 0
    PM10
  • 10
    NO2
  • 34
    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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