Sarnia, Ontario, Canada

Monitoring Station · Sarnia, Canada
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
50 3am
50
28
50 6am
50
50
50 9am
37
37
37 12pm
37
37
37 3pm
25
25
— 6pm
—
—
— 9pm
—
—
— 12am
—
—

Air Quality Trend (24h)

Nearby Monitoring Stations

36
Sarnia, Ontario, Canada
0.0 km
29
Sarnia, Ontario, Canada
0.0 km
25
Port Huron, Michigan, USA
5.3 km
27
Port Huron, Michigan, USA
5.3 km

Nearby Cities

43 Sarnia 43 Port Huron 32 Mount Clemens 44 Clinton Township 15 Shelby 37 Strathroy 45 Chatham 48 Saint Clair Shores 44 Sterling Heights

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-10T06:39 UTC.