Sarnia, Ontario, Canada

Monitoring Station · Sarnia, Canada
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
37 10pm
30
37
38 1am
37
50
50 4am
50
50
50 7am
50
50
37 10am
37
37
— 1pm
—
—
— 4pm
—
—
— 7pm
—
—

Air Quality Trend (24h)

Nearby Monitoring Stations

36
Sarnia, Ontario, Canada
0.0 km
34
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

30 Sarnia 30 Port Huron 27 Mount Clemens 32 Clinton Township 27 Shelby 35 Strathroy 34 Chatham 32 Saint Clair Shores 32 Sterling Heights

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-10T01:54 UTC.