Port Stanley, Ontario, Canada Air Quality

Monitoring Station · St. Thomas, Canada
57
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
42 7am
42
42
57 10am
49
49
40 1pm
40
39
40 4pm
40
40
40 7pm
40
40
— 10pm
—
—
— 1am
—
—
— 4am
—
—
Station readings
57
CAMS model adj +15
27
27
27
34
34
34
25
25
24
25
25
25
25
25
25

Air Quality Forecast (24h)

PM2.515.0 µg/m³ ✓ WHO
Moderate
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Nearby Monitoring Stations

35
Port Stanley, Ontario, Canada
0.0 km PM2.5: 8.4 µg/m³
30
Port Stanley, Ontario, Canada
0.0 km PM2.5: 7.2 µg/m³
55
Port Stanley, Ontario, Canada
0.0 km PM2.5: 14.0 µg/m³

Nearby Cities

35 St. Thomas 54 London 29 Tillsonburg 43 Strathroy 28 Woodstock 27 Norfolk County 29 Stratford 24 Brant 25 Chatham

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-10T10:13 UTC.