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
Today's Air Pollution levels are:
Low (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 London Hillingdon are:
Parameter | Concentration | Unit | Band | Last updated |
---|---|---|---|---|
GE10 | 33 | µg/m3 (FIDAS) | Low (2) | 01/05/2025 21:00 |
NO | 6 | µg/m3 | 01/05/2025 21:00 | |
NO2 | 95 | µg/m3 | Low (2) | 01/05/2025 21:00 |
NOXasNO2 | 105 | µg/m3 | 01/05/2025 21:00 | |
O3 | 77 | µg/m3 | Low (3) | 01/05/2025 21:00 |
PM25 | 20 | µg/m3 (Ref.eq) | Low (2) | 01/05/2025 21:00 |
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