Sarnia, Ontario, Canada

Monitoring Station · Sarnia, Canada
35
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
54 9am
35
54
54 12pm
34
27
27 3pm
27
25
25 6pm
25
27
27 9pm
27
25
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— 3am
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Station readings
35

Air Quality Trend (24h)

PM2.58.4 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

34
Sarnia, Ontario, Canada
0.0 km PM2.5: 8.2 µg/m³
35
Sarnia, Ontario, Canada
0.0 km PM2.5: 8.4 µg/m³
35
Sarnia, Ontario, Canada
0.0 km PM2.5: 8.4 µg/m³
33
Port Huron, Michigan, USA
5.3 km PM2.5: 7.9 µg/m³
37
Port Huron, Michigan, USA
5.3 km PM2.5: 8.9 µg/m³

Nearby Cities

39 Sarnia 38 Port Huron 27 Mount Clemens 30 Clinton Township 24 Shelby 33 Strathroy 47 Chatham 34 Saint Clair Shores 31 Sterling Heights

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-18T12:49 UTC.