Port Stanley, Ontario, Canada Air Quality

Monitoring Station · St. Thomas, Canada
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
28 5pm
17
28
28 8pm
28
26
26 11pm
26
26
26 2am
26
26
26 5am
26
26
— 8am
—
—
— 11am
—
—
— 2pm
—
—
Station readings
17
CAMS model adj +1
27
27
27
27
27
25
25
25
25
25
25
25
25
25
25

Air Quality Forecast (24h)

PM2.54.1 µg/m³ ✓ WHO
Good
View city history →

Nearby Monitoring Stations

44
Port Stanley, Ontario, Canada
0.0 km PM2.5: 10.6 µg/m³

Nearby Cities

52 St. Thomas 53 London 101 Tillsonburg 65 Strathroy 71 Woodstock 75 Norfolk County 57 Stratford 40 Brant 65 Chatham

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T20:46 UTC.