London Borough of Hillingdon Monitoring Data
Hillingdon Hayes (HIL5)
Latitude: 51.498167
Longitude: -0.412333
Date Started: 21/04/2008
Longitude: -0.412333
Date Started: 21/04/2008
Altitude: 30 metres
Environment: Urban Traffic
Environment: Urban Traffic
Latest Data
This monitoring site data was last updated: 21/11/2024 15:00
| Parameter | Pollution Band | Concentration | Period |
|---|---|---|---|
| PM10 particulate matter (Hourly measured) | Low (Index 2) | 20 µg/m3 (Ref.eq) | 24 Hour mean |
| Nitrogen dioxide (NO2) | Low (Index 1) | 45 µg/m3 | hourly mean |
| Nitric oxide (NO) | not applicable | 19 µg/m3 | hourly mean |
| Nitrogen oxides as nitrogen dioxide (NOx as NO2) | not applicable | 73 µg/m3 | hourly mean |
Note: Values are based on provisional data. Data are GMT hour ending.
PM10 is measured as a running 24 hour mean, up to the current hour, and the band/index is calculated accordingly.
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