London Borough of Hounslow Monitoring Data

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Hounslow Heston (HS6)

Latitude: 51.479129
Longitude: -0.364760
Date Started: 13/04/2006
Inlet Height: 3 metres
Environment: Urban Traffic

Latest Data

This monitoring site data was last updated: 20/04/2024 04:00

Parameter Pollution Band Concentration Period
PM10 particulate matter (Hourly measured) Low (Index 2) 17 µg/m3 (INDIC GRAV) 24 Hour mean
Nitrogen dioxide (NO2) Low (Index 1) 12 µg/m3 hourly mean
Nitric oxide (NO) not applicable 4 µg/m3 hourly mean
Nitrogen oxides as nitrogen dioxide (NOx as NO2) not applicable 19 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 Heston monitoring site