London, Ontario, Canada

Monitoring Station · London, Canada
39
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
21 7pm
21
23
39 10pm
23
30
23 1am
23
23
23 4am
23
30
30 7am
30
23
— 10am
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Station readings
39
CAMS model adj -4
25
25
27
27
27
34
27
27
27
27
27
34
34
34
27

Air Quality Trend (24h)

PM2.59.4 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

34
London, Ontario, Canada
0.0 km PM2.5: 8.2 µg/m³
37
London, Ontario, Canada
0.0 km PM2.5: 8.9 µg/m³
31
London, Ontario, Canada
0.0 km PM2.5: 7.4 µg/m³
38
London, Ontario, Canada
0.0 km PM2.5: 9.1 µg/m³

Nearby Cities

38 London 31 St. Thomas 39 Strathroy 38 Woodstock 35 Tillsonburg 34 Stratford 31 Norfolk County 35 Brant 37 Forest Heights

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-26T22:37 UTC.