London Borough of Waltham Forest Monitoring Data

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Waltham Forest Leyton (WL5)

Latitude: 51.556239
Longitude: -0.013628
Date Started: 20/09/2007
Environment: Urban Background

Latest Data

This monitoring site data was last updated: Sorry, no current data available. The last data date time is: 30/08/2025 17:00

Parameter Pollution Band Concentration Period
Nitrogen dioxide (NO2)   No Data hourly mean
PM10 particulate matter (Hourly measured)   No Data 24 Hour mean
Nitric oxide (NO)   No Data hourly mean
Nitrogen oxides as nitrogen dioxide (NOx as NO2)   No Data hourly mean
Non-volatile PM10 (Hourly measured)   No Data 24 Hour mean
Volatile PM10 (Hourly measured)   No Data 24 Hour 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 Waltham Forest Leyton monitoring site