Port Stanley, Ontario, Canada Air Quality
Monitoring Station
· St. Thomas, Canada
46
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
37
11pm
46
37
37
2am
37
37
37
5am
37
37
39
8am
39
37
37
11am
37
36
—
2pm
—
—
—
5pm
—
—
—
8pm
—
—
Station readings
46
CAMS model
adj +12
25
25
25
25
25
25
25
25
25
27
27
25
25
25
24
Air Quality Forecast (24h)
PM2.511.0 µg/m³
✓ WHO
Good
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T02:34 UTC.