In this section:
Current measured levels
- Hillingdon 1 - South Ruislip
- London Hillingdon Oxford Avenue
- London Hillingdon
- London Hillingdon Harmondsworth
- London Hillingdon Harmondsworth Os
- Hillingdon Hayes
- Hillingdon Sipson
Latest Data | Plots | Site Info | Photo |
Automatic monitoring stations
Details for London Hillingdon Harmondsworth
Today's Air Pollution levels are:
Low (Index 1)
at 13:00 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 Harmondsworth are:
Parameter | Concentration | Unit | Band | Last updated |
---|---|---|---|---|
GE10 | 15 | µg/m3 (Ref.eq) | Low (1) | 19/04/2025 13:00 |
NO | 3 | µg/m3 | 19/04/2025 13:00 | |
NO2 | 7 | µg/m3 | Low (1) | 19/04/2025 13:00 |
NOXasNO2 | 12 | µg/m3 | 19/04/2025 13:00 |
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