What is the air quality in Harrow today?

The current Air Quality Index (AQI) in Harrow is 27 (Good). PM2.5 concentration is 6.54 µg/m³.

What is the temperature in Harrow right now?

The current temperature in Harrow is 11.1°C (feels like 11.1°C). Humidity is 80.5% and wind speed is 30.1 km/h.

Is it safe to go outside in Harrow?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Harrow, United Kingdom

Drizzle

11.1°C · 80.5% humidity

11.1°

Feels 11.1°

Good

Air quality is satisfactory. Enjoy outdoor activities.

22 stations

Nearby Monitoring Stations

AQI Forecast

25 9pm

27 12am

25 3am

25 6am

27 9am

25 12pm

—

— 3pm

—

— 6pm

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Air Quality Index Trend

48h · 16 stn

View full history →

Harrow'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.

80.5%

Humidity

30.1 km/h

Wind W

1020.2 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.54 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Harrow?

Temperature & Precipitation

PM2.5 Trend

48h · 16 stations

PM2.56.54 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (22 stations within 25 km)

6.54

Median

5.95

Average

1.11

Low

9.8

High

PM2.5 µg/m³ · Model: 5.9 · Bias: -0.6

What is the 7-day forecast for Harrow?

06-08

19.7° 11.8°

2.56 mm

06-09

19.1° 11.1°

0.25 mm

06-10

14.6° 13.1°

10.94 mm

06-11

28.1° 14.4°

2.5 mm

06-12

23.8° 10.5°

06-13

23.1° 11.8°

0.06 mm

06-14

20.9° 12.6°

2.63 mm

Both models agree Avg diff: 4.0°C

Where are air quality stations near Harrow?

Harlesden HP1

7.8 km PM2.5: 5.5 µg/m³

Harlesden LP1

7.9 km PM2.5: 4.5 µg/m³

Harlesden HP2

8.0 km PM2.5: 6.8 µg/m³

Harlesden LP2

8.1 km PM2.5: 5.6 µg/m³

Hounslow Brentford, United Kingdom

10.0 km PM2.5: 0.5 µg/m³

Hounslow Brentford, United Kingdom

10.0 km PM2.5: 6.2 µg/m³

London N. Kensington, United Kingdom

10.4 km PM2.5: 7.2 µg/m³

London N. Kensington, United Kingdom

10.4 km PM2.5: 3.6 µg/m³

Kensington and Chelsea - North Ken, new

10.4 km PM2.5: 7.0 µg/m³

Hounslow Chiswick, United Kingdom

10.9 km PM2.5: 11.8 µg/m³

What cities are near Harrow?

27 Wealdstone 29 Brent 30 Wembley 26 Pinner 25 Northolt 25 Greenford 25 South Ruislip 25 Ruislip 23 Harlesden 23 West Ealing

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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 2026-06-08T23:10 UTC.