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Air quality in Ontario, CA

Live air quality report and air quality forecast in Ontario

live
16 °C Fill 2Created with Sketch. 0 UV
poor
53.0 AQI
poor
53.0 AQI
Fill 2Created with Sketch.
16 °C
0 UV

Main pollutants

32.0
PM2.5
30.0
PM10
53.0
NO2
15.0
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

32.0
PM2.5
30.0
PM10
53.0
NO2
15.0
O3

Annual Average 49 AQI
Days per year at this level

Main pollutants

AQI

  • 32.0
    PM2.5
  • 30.0
    PM10
  • 53.0
    NO2
  • 15.0
    O3

µg/m³

  • 8
    PM2.5
  • 24
    PM10
  • 35
    NO2
  • 15.0
    O3
our sources

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