Sarnia, Ontario, Canada

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

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
12 8am
9
12
34 11am
25
37
25 2pm
25
25
25 5pm
25
25
25 8pm
25
25
— 11pm
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—
— 2am
—
—
— 5am
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Air Quality Trend (24h)

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Nearby Monitoring Stations

32
Sarnia, Ontario, Canada
0.0 km
32
Sarnia, Ontario, Canada
0.0 km
30
Sarnia, Ontario, Canada
0.0 km
28
Sarnia, Ontario, Canada
0.0 km
25
Sarnia, Ontario, Canada
0.0 km
28
Port Huron, Michigan, USA
5.3 km
27
Port Huron, Michigan, USA
5.3 km
20
Port Huron, Michigan, USA
5.3 km

Nearby Cities

19 Sarnia 19 Port Huron 17 Mount Clemens 25 Clinton Township 12 Shelby 4 Strathroy 19 Chatham 23 Saint Clair Shores 25 Sterling Heights

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-11T11:32 UTC.