London Borough of Hounslow Monitoring Data

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Hounslow Feltham (HS9)

Latitude: 51.447388
Longitude: -0.408733
Date Started: 19/08/2009
Altitude: 2 metres
Environment: Urban Background
Site Comments
Hanworth Road, Feltham

Latest Data

This monitoring site data was last updated: 16/04/2024 21:00

Parameter Pollution Band Concentration Period
Nitrogen dioxide (NO2) Low (Index 1) 34 µg/m3 hourly mean
PM10 particulate matter (Hourly measured) Low (Index 1) 14 µg/m3 (INDIC GRAV) 24 Hour mean
Nitric oxide (NO) not applicable 10 µg/m3 hourly mean
Nitrogen oxides as nitrogen dioxide (NOx as NO2) not applicable 50 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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Map showing the location of the Hounslow Feltham monitoring site