Sarnia, Ontario, Canada Air Quality

Monitoring Station · Sarnia, Canada
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
27 9pm
27
27
27 12am
27
27
27 3am
25
25
27 6am
27
34
54 9am
54
54
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Air Quality Forecast (24h)

PM2.510.1 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

55
Sarnia, Ontario, Canada
0.0 km PM2.5: 14.0 µg/m³
14
Sarnia, Ontario, Canada
0.0 km PM2.5: 3.4 µg/m³
58
Sarnia, Ontario, Canada
0.0 km PM2.5: 15.4 µg/m³
42
Sarnia, Ontario, Canada
0.0 km PM2.5: 10.1 µg/m³
62
Sarnia, Ontario, Canada
0.0 km PM2.5: 17.3 µg/m³
69
Port Huron, Michigan, USA
5.3 km PM2.5: 20.7 µg/m³

Nearby Cities

53 Sarnia 53 Port Huron 31 Mount Clemens 31 Clinton Township 31 Shelby 38 Strathroy 42 Chatham 59 Saint Clair Shores 42 Sterling Heights

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T00:41 UTC.