London, Ontario, Canada

Monitoring Station · London, Canada
31
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
29 1pm
27
27
31 4pm
27
27
27 7pm
27
29
29 10pm
29
36
29 1am
29
29
— 4am
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—
— 7am
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— 10am
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Station readings
31
CAMS model adj +2
27
25
25
25
25
25
25
25
27
27
27
34
27
27
27

Air Quality Trend (24h)

PM2.57.4 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

34
London, Ontario, Canada
0.0 km PM2.5: 8.2 µg/m³
28
London, Ontario, Canada
0.0 km PM2.5: 6.7 µg/m³
24
London, Ontario, Canada
0.0 km PM2.5: 5.8 µg/m³
5
London, Ontario, Canada
0.0 km PM2.5: 1.2 µg/m³

Nearby Cities

28 London 49 St. Thomas 30 Strathroy 31 Woodstock 32 Tillsonburg 31 Stratford 31 Norfolk County 35 Brant 27 Forest Heights

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-26T16:54 UTC.