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
9 7pm
19
26
26 10pm
46
46
17 1am
17
19
26 4am
26
46
46 7am
26
19
— 10am
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—
— 1pm
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— 4pm
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Station readings
9
CAMS model adj -8
27
27
34
34
54
54
25
25
27
34
34
54
54
34
27

Air Quality Trend (24h)

PM2.52.2 µg/m³ ✓ WHO
Good
View city history →

Nearby Monitoring Stations

99
London Hillingdon Harmondsworth Os, United Kingdom
0.0 km PM2.5: 34.9 µg/m³
17
London Hillingdon Harmondsworth Os, United Kingdom
0.0 km PM2.5: 4.1 µg/m³
31
London Harlington, United Kingdom
2.6 km PM2.5: 7.4 µg/m³
34
London Harlington, United Kingdom
2.6 km PM2.5: 8.2 µg/m³
29
London Harlington, United Kingdom
2.6 km PM2.5: 7.0 µg/m³
12
Nelson Primary School
9.0 km PM2.5: 2.9 µg/m³
19
High St, Witton
9.4 km PM2.5: 4.6 µg/m³
13
Chase Bridge Primary School
10.0 km PM2.5: 3.2 µg/m³

Nearby Cities

45 Hayes 32 Ashford 26 Feltham 34 Staines 51 Uxbridge 29 Heston 45 Southall 37 Egham 25 Windsor

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-15T22:56 UTC.