Current measured levels

Select the monitoring site and the summary from the list below and to display the latest information:

Latest Data   |   Plots   |   Site Info   |   Photo   |  

Automatic monitoring stations

Details for London Hillingdon

Today's Air Pollution levels are: Low (Index 3)
Pollution levels are Index 3
at 17:00 on 19/04/2025
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 London Hillingdon are:

ParameterConcentrationUnitBandLast updated
GE10 18µg/m3 (FIDAS) Low (2)  19/04/2025 17:00
NO 0µg/m3   19/04/2025 17:00
NO2 6µg/m3 Low (1)  19/04/2025 17:00
NOXasNO2 7µg/m3   19/04/2025 17:00
O3 74µg/m3 Low (3)  19/04/2025 17:00
PM25 10µg/m3 (Ref.eq) Low (1)  19/04/2025 17:00