Cornwall, Ontario, Canada Air Quality

Monitoring Station · Cornwall, Canada
87
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
87 8am
107
107
105 11am
105
105
105 2pm
105
105
105 5pm
105
105
105 8pm
105
11pm
2am
5am
Station readings
87
CAMS model adj +80
27
27
27
25
25
25
25
25
25
25
25
25
25
25
PM2.529.2 µg/m³ ×1.9 WHO
Moderate
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T11:07 UTC.