London Hillingdon Harmondsworth Os, United Kingdom

Monitoring Station · Hayes, United Kingdom
8
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
8 4pm
33
33
35 7pm
35
42
42 10pm
62
62
33 1am
33
35
42 4am
42
62
— 7am
—
—
— 10am
—
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— 1pm
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Station readings
8
CAMS model adj +8
25
25
25
27
27
34
34
54
54
25
25
27
34
34
54

Air Quality Trend (24h)

PM2.51.9 µg/m³ ✓ WHO
Good
View city history →

Nearby Monitoring Stations

8
London Hillingdon Harmondsworth Os, United Kingdom
0.0 km PM2.5: 1.9 µg/m³
34
London Hillingdon Harmondsworth Os, United Kingdom
0.0 km PM2.5: 8.2 µg/m³
21
London Harlington, United Kingdom
2.6 km PM2.5: 5.0 µg/m³
24
London Harlington, United Kingdom
2.6 km PM2.5: 5.8 µg/m³
4
Nelson Primary School
9.0 km PM2.5: 1.0 µg/m³
8
High St, Witton
9.4 km PM2.5: 2.0 µg/m³
6
Chase Bridge Primary School
10.0 km PM2.5: 1.5 µg/m³
5
Former Greegs Site, Colne Road, Twickenham
10.5 km PM2.5: 1.3 µg/m³

Nearby Cities

19 Hayes 15 Ashford 12 Feltham 16 Staines 20 Uxbridge 13 Heston 18 Southall 14 Egham 12 Windsor

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-15T19:23 UTC.