Sarnia, Ontario, Canada

Monitoring Station · Sarnia, Canada
29
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
50 8am
17
29
37 11am
37
37
37 2pm
37
25
25 5pm
25
25
25 8pm
25
25
— 11pm
—
—
— 2am
—
—
— 5am
—
—

Air Quality Trend (24h)

Nearby Monitoring Stations

36
Sarnia, Ontario, Canada
0.0 km
29
Sarnia, Ontario, Canada
0.0 km
31
Sarnia, Ontario, Canada
0.0 km
28
Sarnia, Ontario, Canada
0.0 km
28
Port Huron, Michigan, USA
5.3 km

Nearby Cities

12 Sarnia 12 Port Huron 18 Mount Clemens 22 Clinton Township 11 Shelby 16 Strathroy 16 Chatham 22 Saint Clair Shores 22 Sterling Heights

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-10T11:53 UTC.