London Borough of Hounslow

Hounslow Feltham (HS9)

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

Latest Data

This monitoring site data was last updated: 27/03/2019 01:00

Parameter Pollution Band Concentration Period
PM10 particulate matter (Hourly measured) Low (Index 2) 33 µg/m3 (VCM) 24 Hour mean
Nitrogen dioxide (NO2) Low (Index 1) 55 µg/m3 hourly mean
Nitric oxide (NO) not applicable 7 µg/m3 hourly mean
Nitrogen oxides as nitrogen dioxide (NOx as NO2) not applicable 67 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