Sarnia, Ontario, Canada

Monitoring Station · Sarnia, Canada
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
37 9pm
37
42
37 12am
37
37
50 3am
50
50
50 6am
50
50
50 9am
37
37
— 12pm
—
—
— 3pm
—
—
— 6pm
—
—

Air Quality Trend (24h)

Nearby Monitoring Stations

36
Sarnia, Ontario, Canada
0.0 km
38
Sarnia, Ontario, Canada
0.0 km
46
Port Huron, Michigan, USA
5.3 km
41
Port Huron, Michigan, USA
5.3 km
45
Port Huron, Michigan, USA
5.3 km

Nearby Cities

31 Sarnia 31 Port Huron 27 Mount Clemens 34 Clinton Township 26 Shelby 37 Strathroy 34 Chatham 32 Saint Clair Shores 34 Sterling Heights

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-10T00:44 UTC.