Air quality in Ontario, CA

Live air quality report and air quality forecast in Ontario

live
32 °C Fill 2Created with Sketch. 12 UV
dire
194 AQI
dire
194 AQI
Fill 2Created with Sketch.
32 °C
12 UV

Main pollutants

28
PM2.5
25
PM10
9
NO2
194
O3
  • outdoor sports
  • bring baby out
  • eating outside
The pollution level has reached a critical level. Individuals at risk feel immediate effects. Even healthy people may show symptoms for short exposures.

Live air quality report and air quality forecast in Ontario

28
PM2.5
25
PM10
9
NO2
194
O3

Annual Average 29 AQI
Days per year at this level

Main pollutants

AQI

  • 28
    PM2.5
  • 25
    PM10
  • 9
    NO2
  • 194
    O3

µg/m³

  • 13
    PM2.5
  • 25
    PM10
  • 18
    NO2
  • 194
    O3

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