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Air quality in Ontario, CA

Live air quality report and air quality forecast in Ontario

live
14 °C Fill 2Created with Sketch. 3 UV
fair
43.0 AQI
fair
43.0 AQI
Fill 2Created with Sketch.
14 °C
3 UV

Main pollutants

23.0
PM2.5
23.0
PM10
43.0
NO2
15.0
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 Ontario

23.0
PM2.5
23.0
PM10
43.0
NO2
15.0
O3

Annual Average 48 AQI
Days per year at this level

Main pollutants

AQI

  • 23.0
    PM2.5
  • 23.0
    PM10
  • 43.0
    NO2
  • 15.0
    O3

µg/m³

  • 5
    PM2.5
  • 18
    PM10
  • 21
    NO2
  • 15.0
    O3
our sources

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