Air Quality in Northolt, United Kingdom

Windy
17.1°C · 48.7% humidity
17.1°
Feels 17.1°
35
Good
Air quality is satisfactory. Enjoy outdoor activities.
19 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
10 1am
10
10
35 4am
28
23
9 7am
7
5
3 10am
2
2
1 1pm
1
1
0 4pm
0
0
0 7pm
0
0
0 10pm
0
0
Station readings
9
12
8
CAMS model adj -44
54
54
54
54
54
54
34
27
27
27
27
27
27
27
27
27
27
27
25
25
25
25
25
25
AD 728×90

Air Quality Index Trend

46h · 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.

48.7%
Humidity
53.4 km/h
Wind ENE
1015.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
35
8.49 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Northolt?

Temperature & Precipitation

PM2.5 Trend

46h · 1 station
PM2.58.49 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (19 stations within 25 km)
8.49
Median
8.47
Average
3.4
Low
16.9
High
PM2.5 µg/m³ · Model: 9.75 · Bias: +1.3

What is the 7-day forecast for Northolt?

07-22
25.2° 17.1°
0.13 mm
07-23
19.1° 17.8°
0.75 mm
07-24
21.8° 15.6°
1.81 mm
07-25
29.7° 13.9°
0.13 mm
07-26
19.5° 14.0°
2.25 mm
07-27
27.8° 17.2°
2.38 mm
07-28
27.9° 18.1°
Both models agree Avg diff: 2.6°C

Where are air quality stations near Northolt?

40
Hounslow Brentford, United Kingdom
7.7 km PM2.5: 9.6 µg/m³
38
Hounslow Brentford, United Kingdom
7.7 km PM2.5: 9.1 µg/m³
17
London Harlington, United Kingdom
8.4 km PM2.5: 4.1 µg/m³
32
London Harlington, United Kingdom
8.4 km PM2.5: 7.7 µg/m³
36
Harlesden HP1
8.8 km PM2.5: 8.7 µg/m³
32
Harlesden LP1
8.9 km PM2.5: 7.7 µg/m³
38
Harlesden HP2
8.9 km PM2.5: 9.1 µg/m³
40
Harlesden LP2
9.1 km PM2.5: 9.5 µg/m³
32
Kew Rd, before j/w South Circle / Kew Green
9.2 km PM2.5: 7.6 µg/m³
12
Hounslow Chiswick, United Kingdom
9.9 km PM2.5: 2.9 µg/m³

What cities are near Northolt?

35 Greenford 35 South Ruislip 35 Harrow 35 Southall 35 Brent 35 Ruislip 35 Wembley 35 West Ealing 36 Pinner 35 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 2026-07-22T03:14 UTC.