London, Ontario, Canada

Monitoring Station · London, Canada
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
40 4pm
34
40
40 7pm
40
40
40 10pm
40
40
42 1am
49
49
69 4am
81
69
— 7am
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—
— 10am
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— 1pm
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Station readings
34
CAMS model adj +15
25
25
25
25
25
25
25
25
25
27
34
34
54
66
54

Air Quality Trend (24h)

PM2.58.2 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

34
London, Ontario, Canada
0.0 km PM2.5: 8.2 µg/m³
30
London, Ontario, Canada
0.0 km PM2.5: 7.2 µg/m³
34
London, Ontario, Canada
0.0 km PM2.5: 8.2 µg/m³
35
London, Ontario, Canada
0.0 km PM2.5: 8.4 µg/m³

Nearby Cities

33 London 40 St. Thomas 37 Strathroy 38 Woodstock 38 Tillsonburg 37 Stratford 38 Norfolk County 37 Brant 32 Forest Heights

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-14T19:47 UTC.