What is the air quality in London today?

The current Air Quality Index (AQI) in London is 22 (Good). PM2.5 concentration is 5.3 µg/m³.

What is the temperature in London right now?

The current temperature in London is 11.9°C (feels like 11.9°C). Humidity is 94.1% and wind speed is 25.2 km/h.

Is it safe to go outside in London?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 10.9 (Extreme).

Air Quality in London, Canada

Overcast

11.9°C · 94.1% humidity

11.9°

Feels 11.9°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

27 7am

22 10am

24 1pm

24 4pm

24 7pm

24 10pm

25 1am

24 4am

Air Quality Index Trend

36h · 3 stn

View full history →

London'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.

94.1%

Humidity

25.2 km/h

Wind SE

1015.9 hPa

Pressure

10.9

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.3 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for London?

Temperature & Precipitation

PM2.5 Trend

36h · 3 stations

PM2.55.3 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX10.9

Extreme

Station readings (1 station within 25 km)

5.3

Median

5.3

Average

5.3

Low

5.3

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +0.5

What is the 7-day forecast for London?

05-30

17.3° 8.5°

0.75 mm

05-31

27.2° 7.5°

06-01

27.7° 14.5°

06-02

20.3° 10.2°

0.13 mm

06-03

24.5° 19.0°

2.31 mm

06-04

21.8° 11.8°

06-05

23.9° 8.1°

2.31 mm

Both models agree Avg diff: 5.7°C

Where are air quality stations near London?

London, Ontario, Canada

2.8 km PM2.5: 3.1 µg/m³

London, Ontario, Canada

2.8 km PM2.5: 4.6 µg/m³

London, Ontario, Canada

2.8 km PM2.5: 21.6 µg/m³

What cities are near London?

24 St. Thomas 33 Strathroy 36 Woodstock 34 Tillsonburg 37 Stratford 35 Norfolk County 24 Brant 21 Forest Heights 22 Kitchener 20 Waterloo

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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 2026-05-30T14:23 UTC.