Air Quality in London, Canada
Drizzle
14.5°C · 97.1% humidity
14.5°
Feels 14.5°
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
London's air quality — share it
AQI Forecast
Calibrated
20
5am
20
20
17
8am
20
20
20
11am
20
20
20
2pm
20
20
20
5pm
20
21
21
8pm
23
23
23
11pm
30
30
30
2am
23
23
Station readings
17
17
17
CAMS model
adj -4
24
24
24
24
24
24
24
24
24
24
24
24
24
24
25
25
27
27
27
34
34
34
27
27
Air Quality Index Trend
45h · 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.
97.1%
Humidity
38.9 km/h
Wind NNW
1014.1 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.1 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for London?
Temperature & Precipitation
PM2.5 Trend
45h · 1 stationPM2.54.1 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
Station readings (1 station within 25 km)
4.1
Median
4.1
Average
4.1
Low
4.1
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +1.8
What is the 7-day forecast for London?
09-05
22.1° 13.8°
0.13 mm
09-06
24.0° 14.9°
0.62 mm
09-07
22.4° 12.5°
4.56 mm
09-08
23.4° 13.8°
5.69 mm
09-09
26.4° 12.6°
4.06 mm
09-10
23.8° 12.9°
1.06 mm
09-11
26.7° 11.9°
0.94 mm
Both models agree
Avg diff: 4.1°C
Where are air quality stations near London?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T12:11 UTC.