Sarnia, Ontario, Canada

Monitoring Station · Sarnia, Canada
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
37 11pm
72
37
34 2am
50
50
50 5am
50
50
50 8am
50
37
37 11am
37
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— 2pm
—
—
— 5pm
—
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— 8pm
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Air Quality Trend (24h)

Nearby Monitoring Stations

36
Sarnia, Ontario, Canada
0.0 km
38
Sarnia, Ontario, Canada
0.0 km
46
Port Huron, Michigan, USA
5.3 km
41
Port Huron, Michigan, USA
5.3 km
45
Port Huron, Michigan, USA
5.3 km

Nearby Cities

30 Sarnia 30 Port Huron 27 Mount Clemens 32 Clinton Township 27 Shelby 35 Strathroy 34 Chatham 32 Saint Clair Shores 32 Sterling Heights

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-10T02:25 UTC.