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Air Quality Monitoring
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Local Air Quality Management
Air quality monitoring
Current measured levels
Overview of monitoring in Hillingdon
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Industrial air pollution control
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Current measured levels

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Details for Hillingdon Hayes

Today's Air Pollution levels are: Low (Index 3)
Pollution levels are Index 3
at 21:00 on 01/05/2025
Note: These results are based on provisional data. The data are presented in graphical form based on the highest pollutant measured at each site.

Current Levels for Hillingdon Hayes are:

ParameterConcentrationUnitBandLast updated
GE10 48µg/m3 (Ref.eq) Low (3)  01/05/2025 21:00
NO 10µg/m3   01/05/2025 21:00
NO2 51µg/m3 Low (1)  01/05/2025 21:00
NOXasNO2 66µg/m3   01/05/2025 21:00