Sarnia, Ontario, Canada

Monitoring Station · Sarnia, Canada
22
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
9 2pm
37
22
25 5pm
25
25
25 8pm
25
25
25 11pm
25
25
25 2am
12
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— 5am
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— 8am
—
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— 11am
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Air Quality Trend (24h)

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Nearby Monitoring Stations

36
Sarnia, Ontario, Canada
0.0 km
30
Sarnia, Ontario, Canada
0.0 km
22
Port Huron, Michigan, USA
5.3 km

Nearby Cities

14 Sarnia 14 Port Huron 17 Mount Clemens 22 Clinton Township 16 Shelby 14 Strathroy 17 Chatham 21 Saint Clair Shores 22 Sterling Heights

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-10T17:18 UTC.