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
34 5am
37
37
37 8am
37
37
37 11am
37
37
50 2pm
50
75
75 5pm
50
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— 8pm
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— 11pm
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— 2am
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Air Quality Trend (24h)

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Nearby Monitoring Stations

37
Sarnia, Ontario, Canada
0.0 km
30
Sarnia, Ontario, Canada
0.0 km
37
Sarnia, Ontario, Canada
0.0 km
37
Sarnia, Ontario, Canada
0.0 km
26
Port Huron, Michigan, USA
5.3 km
28
Port Huron, Michigan, USA
5.3 km

Nearby Cities

32 Sarnia 32 Port Huron 25 Mount Clemens 34 Clinton Township 22 Shelby 17 Strathroy 28 Chatham 32 Saint Clair Shores 34 Sterling Heights

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-12T08:20 UTC.