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Air quality in Boulder, CO

Live air quality report and air quality forecast in Boulder

live
13 °C Fill 2Created with Sketch. 0 UV
fair
33.0 AQI
fair
33.0 AQI
Fill 2Created with Sketch.
13 °C
0 UV

Main pollutants

9.0
PM2.5
7.0
PM10
33.0
NO2
11.0
O3
  • outdoor sports
  • bring baby out
  • eating outside
The air is moderately polluted. Greater than the maximum limit established for one year by WHO. A long-term exposure constitutes a health risk.

Live air quality report and air quality forecast in Boulder

9.0
PM2.5
7.0
PM10
33.0
NO2
11.0
O3

Annual Average 45 AQI
Days per year at this level

Main pollutants

AQI

  • 9.0
    PM2.5
  • 7.0
    PM10
  • 33.0
    NO2
  • 11.0
    O3

µg/m³

  • 2
    PM2.5
  • 5
    PM10
  • 16
    NO2
  • 11.0
    O3
our sources

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