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
25 2pm
25
25
25 5pm
25
25
25 8pm
25
25
25 11pm
25
25
25 2am
25
25
— 5am
—
—
— 8am
—
—
— 11am
—
—

Air Quality Forecast (24h)

PM2.511.0 µg/m³ ✓ WHO
Good
View city history →

Nearby Monitoring Stations

38
Port Stanley, Ontario, Canada
0.0 km PM2.5: 9.1 µg/m³
25
Port Stanley, Ontario, Canada
0.0 km PM2.5: 6.0 µg/m³
38
Port Stanley, Ontario, Canada
0.0 km PM2.5: 9.1 µg/m³
21
Port Stanley, Ontario, Canada
0.0 km PM2.5: 5.0 µg/m³
46
Port Stanley, Ontario, Canada
0.0 km PM2.5: 11.0 µg/m³

Nearby Cities

23 St. Thomas 23 London 44 Tillsonburg 37 Strathroy 35 Woodstock 44 Norfolk County 35 Stratford 21 Brant 23 Chatham

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-09T17:54 UTC.