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 6am
50
50
50 9am
37
37
37 12pm
37
37
37 3pm
25
25
25 6pm
25
—
— 9pm
—
—
— 12am
—
—
— 3am
—
—

Air Quality Trend (24h)

Nearby Monitoring Stations

28
Sarnia, Ontario, Canada
0.0 km
29
Sarnia, Ontario, Canada
0.0 km
36
Sarnia, Ontario, Canada
0.0 km
27
Sarnia, Ontario, Canada
0.0 km
27
Port Huron, Michigan, USA
5.3 km
26
Port Huron, Michigan, USA
5.3 km
26
Port Huron, Michigan, USA
5.3 km

Nearby Cities

32 Sarnia 32 Port Huron 29 Mount Clemens 33 Clinton Township 30 Shelby 30 Strathroy 34 Chatham 31 Saint Clair Shores 33 Sterling Heights

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-10T09:23 UTC.