Air Quality in London, Canada
Windy
23.2°C · 34.6% humidity
23.2°
Feels 23.2°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
London's air quality — share it
AQI Forecast
Calibrated
37
4pm
37
37
38
7pm
37
37
37
10pm
37
37
37
1am
37
37
39
4am
39
37
37
7am
37
36
36
10am
36
36
36
1pm
36
36
Station readings
38
38
38
39
CAMS model
adj +12
25
25
25
25
25
25
25
25
25
25
25
25
27
27
25
25
25
24
24
24
24
24
24
24
Air Quality Index Trend
28h · 1 stnLondon's air quality is shaped by road traffic, particularly diesel vehicles, and residential heating. Pollution levels tend to peak during winter temperature inversions and periods of low wind.
34.6%
Humidity
84.6 km/h
Wind NNW
1015.1 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.1 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for London?
Temperature & Precipitation
PM2.5 Trend
28h · 1 stationPM2.59.1 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.9
Moderate
Station readings (1 station within 25 km)
9.1
Median
9.1
Average
9.1
Low
9.1
High
PM2.5 µg/m³ · Model: 7.1 · Bias: -2.0
What is the 7-day forecast for London?
08-03
23.2° 19.3°
14.19 mm
08-04
32.8° 16.2°
0.38 mm
08-05
34.8° 13.7°
08-06
29.6° 17.4°
12.87 mm
08-07
29.4° 12.3°
1.94 mm
08-08
36.4° 15.7°
1.06 mm
08-09
36.8° 20.3°
0.06 mm
Both models agree
Avg diff: 4.3°C
Where are air quality stations near London?
40
London, Ontario, Canada
33
London, Ontario, Canada
38
London, Ontario, Canada
30
London, Ontario, Canada
34
London, Ontario, Canada
39
London, Ontario, Canada
What cities are near London?
Get AQI alerts for London
Notify me when air quality reaches:
Free · No account · Unsubscribe any time
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-07T23:46 UTC.