Sarnia, Ontario, Canada

Monitoring Station · Sarnia, Canada
37
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
37 1am
37
37
37 4am
37
37
37 7am
37
37
37 10am
37
37
37 1pm
50
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— 4pm
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— 7pm
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— 10pm
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Air Quality Trend (24h)

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Nearby Monitoring Stations

31
Sarnia, Ontario, Canada
0.0 km
37
Sarnia, Ontario, Canada
0.0 km
37
Sarnia, Ontario, Canada
0.0 km
35
Sarnia, Ontario, Canada
0.0 km
39
Sarnia, Ontario, Canada
0.0 km
30
Port Huron, Michigan, USA
5.3 km

Nearby Cities

31 Sarnia 31 Port Huron 24 Mount Clemens 31 Clinton Township 15 Shelby 24 Strathroy 26 Chatham 30 Saint Clair Shores 31 Sterling Heights

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-12T04:16 UTC.