Sarnia, Ontario, Canada Air Quality

Monitoring Station · Sarnia, Canada
58
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
57 9pm
57
58
57 12am
57
57
57 3am
55
55
57 6am
57
64
84 9am
84
84
12pm
3pm
6pm
Station readings
58
CAMS model adj +30
27
27
27
27
27
27
27
25
25
27
27
34
54
54
54
PM2.515.4 µg/m³ ✓ WHO
Moderate
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T00:41 UTC.