Air Quality in Harrow, United Kingdom

Drizzle
18.0°C · 75.4% humidity
18.0°
Feels 18.0°
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
13 stations

Nearby Monitoring Stations

AQI Forecast
34 11pm
54
54
40 2am
44
47
49 5am
50
51
52 8am
53
33
33 11am
27
27
34 2pm
27
27
27 5pm
27
27
27 8pm
34
34
AD 728×90

Air Quality Index Trend

45h · 18 stn

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.

75.4%
Humidity
78.6 km/h
Wind SW
1010.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
40
9.56 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Harrow?

Temperature & Precipitation

PM2.5 Trend

45h · 18 stations
PM2.59.56 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (13 stations within 25 km)
9.56
Median
10.05
Average
4.1
Low
23.0
High
PM2.5 µg/m³ · Model: 7.0 · Bias: -2.6

What is the 7-day forecast for Harrow?

08-03
35.0° 18.0°
0.75 mm
08-04
23.5° 16.8°
0.06 mm
08-05
23.2° 17.1°
0.06 mm
08-06
30.6° 14.8°
8.94 mm
08-07
26.6° 13.9°
0.19 mm
08-08
23.8° 15.3°
1.88 mm
08-09
21.3° 15.3°
Both models agree Avg diff: 3.5°C

Where are air quality stations near Harrow?

38
Brent - Ikea, United Kingdom
5.9 km PM2.5: 9.1 µg/m³
33
Brent - Ikea, United Kingdom
5.9 km PM2.5: 7.9 µg/m³
42
Brent - Ikea, United Kingdom
5.9 km PM2.5: 10.1 µg/m³
42
Brent - Ikea, United Kingdom
5.9 km PM2.5: 10.1 µg/m³
13
Brent - Ikea, United Kingdom
5.9 km PM2.5: 3.1 µg/m³
32
Harlesden HP1
7.8 km PM2.5: 7.6 µg/m³
28
Harlesden LP1
7.9 km PM2.5: 6.8 µg/m³
32
Harlesden HP2
8.0 km PM2.5: 7.8 µg/m³
36
Harlesden LP2
8.1 km PM2.5: 8.6 µg/m³
42
Brent - ARK Franklin Primary Academy, United Kingdom
9.4 km PM2.5: 10.1 µg/m³

What cities are near Harrow?

40 Wealdstone 40 Brent 39 Wembley 40 Pinner 40 Northolt 40 Greenford 40 South Ruislip 39 Ruislip 40 Harlesden 41 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 2026-08-08T01:02 UTC.