What is the air quality in Harlesden today?

The current Air Quality Index (AQI) in Harlesden is 17 (Good). PM2.5 concentration is 3.97 µg/m³.

What is the temperature in Harlesden right now?

The current temperature in Harlesden is 12.3°C (feels like 12.3°C). Humidity is 74.9% and wind speed is 38.6 km/h.

Is it safe to go outside in Harlesden?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Harlesden, United Kingdom

Drizzle

12.3°C · 74.9% humidity

12.3°

Feels 12.3°

Good

Air quality is satisfactory. Enjoy outdoor activities.

37 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 20 stn

View full history →

Harlesden's air quality is shaped by traffic emissions and residential heating. Pollution levels tend to peak during winter months when cold air traps emissions close to ground level.

74.9%

Humidity

38.6 km/h

Wind NNE

1019.6 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

3.97 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Harlesden?

Temperature & Precipitation

PM2.5 Trend

45h · 20 stations

PM2.53.97 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (37 stations within 25 km)

3.97

Median

5.96

Average

0.7

Low

13.1

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +1.8

What is the 7-day forecast for Harlesden?

10-21

12.3° 7.8°

1.0 mm

10-22

19.2° 8.8°

10-23

13.5° 10.1°

13.94 mm

10-24

14.5° 10.2°

0.06 mm

10-25

16.0° 10.9°

6.06 mm

10-26

11.7° 8.7°

0.81 mm

10-27

17.9° 6.8°

1.44 mm

Both models agree Avg diff: 2.8°C

Where are air quality stations near Harlesden?

Brent - John Keble Primary School, United Kingdom

0.2 km PM2.5: 4.1 µg/m³

Brent - John Keble Primary School, United Kingdom

0.2 km PM2.5: 3.1 µg/m³

Brent - Ikea, United Kingdom

1.7 km PM2.5: 5.0 µg/m³

Brent - Ikea, United Kingdom

1.7 km PM2.5: 7.2 µg/m³

London N. Kensington, United Kingdom

3.2 km PM2.5: 6.7 µg/m³

Hounslow Chiswick, United Kingdom

5.1 km PM2.5: 7.2 µg/m³

Camden Kerbside, United Kingdom

5.2 km PM2.5: 6.0 µg/m³

Camden Kerbside, United Kingdom

5.2 km PM2.5: 11.0 µg/m³

Camden Kerbside, United Kingdom

5.2 km PM2.5: 4.1 µg/m³

Richmond Upon Thames - Castelnau, United Kingdom

6.5 km PM2.5: 1.2 µg/m³

What cities are near Harlesden?

20 Willesden 23 Cricklewood 21 Wembley 22 Acton 21 Brent 25 Shepherds Bush 27 Notting Hill 23 Kilburn 22 Ealing Common 22 Chiswick

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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 2026-10-21T15:00 UTC.