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 Calibrated
80 6am
30
80
80 9am
80
80
60 12pm
53
53
51 3pm
51
51
51 6pm
53
53
— 9pm
—
—
— 12am
—
—
— 3am
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Station readings
30
CAMS model adj +26
54
54
54
54
54
54
34
27
27
25
25
25
25
27
27

Air Quality Trend (24h)

PM2.57.2 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

24
Sarnia, Ontario, Canada
0.0 km PM2.5: 5.8 µg/m³
24
Sarnia, Ontario, Canada
0.0 km PM2.5: 5.8 µg/m³
22
Sarnia, Ontario, Canada
0.0 km PM2.5: 5.3 µg/m³
24
Sarnia, Ontario, Canada
0.0 km PM2.5: 5.8 µg/m³
18
Port Huron, Michigan, USA
5.3 km PM2.5: 4.3 µg/m³

Nearby Cities

27 Sarnia 27 Port Huron 12 Mount Clemens 13 Clinton Township 11 Shelby 32 Strathroy 34 Chatham 22 Saint Clair Shores 13 Sterling Heights

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-15T09:24 UTC.