London Harlington, United Kingdom

Monitoring Station · Hayes, United Kingdom
63
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
39 6am
33
63
32 9am
32
32
32 12pm
30
30
30 3pm
30
30
30 6pm
30
32
— 9pm
—
—
— 12am
—
—
— 3am
—
—
Station readings
33
63
CAMS model adj +5
34
27
27
27
27
27
27
25
25
25
25
25
25
25
27

Air Quality Trend (24h)

PM2.517.8 µg/m³ ×1.2 WHO
Moderate
View city history →

Nearby Monitoring Stations

37
London Harlington, United Kingdom
0.0 km PM2.5: 8.9 µg/m³
38
London Harlington, United Kingdom
0.0 km PM2.5: 9.1 µg/m³
25
London Hillingdon Harmondsworth Os, United Kingdom
2.6 km PM2.5: 6.0 µg/m³
19
London Hillingdon Harmondsworth Os, United Kingdom
2.6 km PM2.5: 4.6 µg/m³
51
Nelson Primary School
6.8 km PM2.5: 12.1 µg/m³
59
High St, Witton
7.2 km PM2.5: 15.9 µg/m³
49
Chase Bridge Primary School
7.7 km PM2.5: 11.8 µg/m³
48
Former Greegs Site, Colne Road, Twickenham
8.3 km PM2.5: 11.5 µg/m³

Nearby Cities

48 Hayes 50 Heston 50 Feltham 49 Southall 51 Hounslow 49 Ashford 49 Isleworth 48 Uxbridge 49 Hanworth

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-24T09:54 UTC.