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 1pm
25
37
25 4pm
25
25
25 7pm
25
25
25 10pm
37
37
37 1am
37
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Air Quality Trend (24h)

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Nearby Monitoring Stations

28
Sarnia, Ontario, Canada
0.0 km
30
Sarnia, Ontario, Canada
0.0 km
38
Sarnia, Ontario, Canada
0.0 km
41
Port Huron, Michigan, USA
5.3 km

Nearby Cities

19 Sarnia 19 Port Huron 18 Mount Clemens 24 Clinton Township 15 Shelby 7 Strathroy 20 Chatham 22 Saint Clair Shores 24 Sterling Heights

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-11T16:11 UTC.