Port Stanley, Ontario, Canada
Monitoring Station
· St. Thomas, Canada
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
34
12pm
41
41
34
3pm
34
34
34
6pm
41
41
41
9pm
41
34
34
12am
34
34
—
3am
—
—
—
6am
—
—
—
9am
—
—
Station readings
40
CAMS model
adj +7
27
34
34
27
27
27
27
34
34
34
34
27
27
27
27
Air Quality Trend (24h)
PM2.59.6 µg/m³
✓ WHO
Good
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-18T15:52 UTC.