Current measured levels

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Details for Hillingdon Sipson

Today's Air Pollution levels are: Low (Index 1)
Pollution levels are Index 1
at 23:00 on 23/04/2024
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 Sipson are:

ParameterConcentrationUnitBandLast updated
NO 1µg/m3   23/04/2024 23:00
NO2 9µg/m3 Low (1)  23/04/2024 23:00
NOXasNO2 11µg/m3   23/04/2024 23:00