Sarnia, Ontario, Canada

Monitoring Station · Sarnia, Canada
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
37 2am
50
30
50 5am
50
50
50 8am
50
37
37 11am
37
37
37 2pm
37
25
— 5pm
—
—
— 8pm
—
—
— 11pm
—
—

Air Quality Trend (24h)

Nearby Monitoring Stations

36
Sarnia, Ontario, Canada
0.0 km
28
Sarnia, Ontario, Canada
0.0 km
25
Port Huron, Michigan, USA
5.3 km

Nearby Cities

50 Sarnia 50 Port Huron 35 Mount Clemens 52 Clinton Township 15 Shelby 41 Strathroy 52 Chatham 54 Saint Clair Shores 52 Sterling Heights

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-10T05:41 UTC.