London Hillingdon Harmondsworth Os, United Kingdom

Monitoring Station · Hayes, United Kingdom
90
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
90 5pm
12
12
25 8pm
25
25
25 11pm
25
25
12 2am
12
12
12 5am
25
25
— 8am
—
—
— 11am
—
—
— 2pm
—
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Air Quality Trend (24h)

Nearby Monitoring Stations

50
London Hillingdon Harmondsworth Os, United Kingdom
0.0 km
158
London Harlington, United Kingdom
2.6 km
38
London Harlington, United Kingdom
2.6 km
4
Nelson Primary School
9.0 km PM2.5: 0.9 µg/m³
9
High St, Witton
9.4 km PM2.5: 2.1 µg/m³
5
Chase Bridge Primary School
10.0 km PM2.5: 1.3 µg/m³
5
Former Greegs Site, Colne Road, Twickenham
10.5 km PM2.5: 1.2 µg/m³
5
Park Rd, Hampton Hill
10.8 km PM2.5: 1.3 µg/m³

Nearby Cities

10 Hayes 10 Ashford 10 Feltham 8 Staines 8 Uxbridge 10 Heston 10 Southall 8 Egham 8 Windsor

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-09T20:53 UTC.