Sarnia, Ontario, Canada

Monitoring Station · Sarnia, Canada
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

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

Nearby Monitoring Stations

36
Sarnia, Ontario, Canada
0.0 km
30
Sarnia, Ontario, Canada
0.0 km
26
Sarnia, Ontario, Canada
0.0 km
24
Port Huron, Michigan, USA
5.3 km
26
Port Huron, Michigan, USA
5.3 km

Nearby Cities

10 Sarnia 10 Port Huron 17 Mount Clemens 20 Clinton Township 14 Shelby 17 Strathroy 15 Chatham 20 Saint Clair Shores 20 Sterling Heights

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-10T14:40 UTC.