London Hillingdon Harmondsworth Os, United Kingdom

Monitoring Station · Hayes, United Kingdom
9
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
17 6pm
9
19
26 9pm
26
46
46 12am
17
17
19 3am
26
26
46 6am
46
26
— 9am
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— 12pm
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— 3pm
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Station readings
9
CAMS model adj -8
25
27
27
34
34
54
54
25
25
27
34
34
54
54
34

Air Quality Trend (24h)

PM2.52.2 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

36
London Hillingdon Harmondsworth Os, United Kingdom
0.0 km PM2.5: 8.6 µg/m³
8
London Hillingdon Harmondsworth Os, United Kingdom
0.0 km PM2.5: 1.9 µg/m³
29
London Harlington, United Kingdom
2.6 km PM2.5: 7.0 µg/m³
29
London Harlington, United Kingdom
2.6 km PM2.5: 7.0 µg/m³
21
London Harlington, United Kingdom
2.6 km PM2.5: 5.0 µg/m³
7
Nelson Primary School
9.0 km PM2.5: 1.7 µg/m³
11
High St, Witton
9.4 km PM2.5: 2.7 µg/m³
8
Chase Bridge Primary School
10.0 km PM2.5: 2.0 µg/m³

Nearby Cities

30 Hayes 23 Ashford 20 Feltham 25 Staines 31 Uxbridge 22 Heston 30 Southall 25 Egham 26 Windsor

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-15T21:20 UTC.