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Air quality in Ontario, CA

Live air quality report and air quality forecast in Ontario

live
24 °C Fill 2Created with Sketch. 5 UV
poor
55.0 AQI
poor
55.0 AQI
Fill 2Created with Sketch.
24 °C
5 UV

Main pollutants

36.0
PM2.5
55.0
PM10
52.0
NO2
7.0
O3
  • outdoor sports
  • bring baby out
  • eating outside
The air has reached a high level of pollution. Higher than the maximum limit for 24 hours established by WHO.

Live air quality report and air quality forecast in Ontario

36.0
PM2.5
55.0
PM10
52.0
NO2
7.0
O3

Annual Average 46 AQI
Days per year at this level

Main pollutants

AQI

  • 36.0
    PM2.5
  • 55.0
    PM10
  • 52.0
    NO2
  • 7.0
    O3

µg/m³

  • 10
    PM2.5
  • 48
    PM10
  • 31
    NO2
  • 7.0
    O3
our sources

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