London Hillingdon Harmondsworth Os, United Kingdom

Monitoring Station · Hayes, United Kingdom
152
Unhealthy
Everyone should reduce prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
152 7pm
25
25
25 10pm
25
25
25 1am
12
12
12 4am
12
25
25 7am
25
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— 10am
—
—
— 1pm
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— 4pm
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Air Quality Trend (24h)

Nearby Monitoring Stations

50
London Hillingdon Harmondsworth Os, United Kingdom
0.0 km
75
London Harlington, United Kingdom
2.6 km
158
London Harlington, United Kingdom
2.6 km
38
London Harlington, United Kingdom
2.6 km
2
Nelson Primary School
9.0 km PM2.5: 0.5 µg/m³
8
High St, Witton
9.4 km PM2.5: 1.8 µg/m³
4
Chase Bridge Primary School
10.0 km PM2.5: 1.0 µg/m³
3
Former Greegs Site, Colne Road, Twickenham
10.5 km PM2.5: 0.8 µg/m³

Nearby Cities

6 Hayes 6 Ashford 6 Feltham 5 Staines 5 Uxbridge 6 Heston 6 Southall 5 Egham 5 Windsor

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-09T22:26 UTC.