Air Quality in Northolt, United Kingdom

Windy
18.4°C · 53.2% humidity
18.4°
Feels 18.4°
36
Good
Air quality is satisfactory. Enjoy outdoor activities.
32 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
8 3pm
6
6
36 6pm
29
23
19 9pm
16
14
12 12am
11
8
7 3am
7
7
7 6am
6
8
8 9am
8
8
8 12pm
15
15
Station readings
4
CAMS model adj -19
27
25
25
25
27
27
27
27
27
27
27
25
25
25
25
25
25
27
27
27
27
27
34
34
AD 728×90

Air Quality Index Trend

26h · 1 stn

Northolt'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.

53.2%
Humidity
80.9 km/h
Wind NE
1023.0 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
36
8.6 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Northolt?

Temperature & Precipitation

PM2.5 Trend

26h · 1 station
PM2.58.6 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (32 stations within 25 km)
8.6
Median
8.04
Average
1.45
Low
14.0
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -2.3

What is the 7-day forecast for Northolt?

05-29
18.4° 12.6°
0.75 mm
05-30
19.4° 12.4°
0.44 mm
05-31
20.7° 11.4°
06-01
21.9° 10.3°
0.38 mm
06-02
19.7° 12.6°
1.44 mm
06-03
17.9° 11.9°
0.06 mm
06-04
29.3° 19.3°
4.31 mm
Both models agree Avg diff: 3.1°C

Where are air quality stations near Northolt?

42
Hounslow Brentford, United Kingdom
7.7 km PM2.5: 10.1 µg/m³
21
Hounslow Brentford, United Kingdom
7.7 km PM2.5: 5.0 µg/m³
65
London Harlington, United Kingdom
8.4 km PM2.5: 18.8 µg/m³
13
London Harlington, United Kingdom
8.4 km PM2.5: 3.1 µg/m³
33
Harlesden HP1
8.8 km PM2.5: 7.9 µg/m³
30
Harlesden LP1
8.9 km PM2.5: 7.3 µg/m³
34
Harlesden HP2
8.9 km PM2.5: 8.1 µg/m³
36
Harlesden LP2
9.1 km PM2.5: 8.6 µg/m³
13
Kew Rd, before j/w South Circle / Kew Green
9.2 km PM2.5: 3.1 µg/m³
12
Hounslow Chiswick, United Kingdom
9.9 km PM2.5: 2.9 µg/m³

What cities are near Northolt?

35 Greenford 36 South Ruislip 37 Harrow 35 Southall 39 Brent 36 Ruislip 40 Wembley 34 West Ealing 37 Pinner 36 Hayes
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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 2026-05-29T17:00 UTC.