London Borough of Waltham Forest Monitoring Data
Waltham Forest Leyton (WL5)
Environment: Urban Background
This monitoring site data was last updated: 12/05/2021 03:00
|Nitrogen dioxide (NO2)||Low (Index 1)||6 µg/m3||hourly mean|
|PM10 particulate matter (Hourly measured)||Low (Index 1)||14 µg/m3 (TEOM FDMS)||24 Hour mean|
|Nitric oxide (NO)||not applicable||1 µg/m3||hourly mean|
|Nitrogen oxides as nitrogen dioxide (NOx as NO2)||not applicable||8 µg/m3||hourly mean|
|Non-volatile PM10 (Hourly measured)||not applicable||11 µg/m3 (TEOM FDMS)||24 Hour mean|
|Volatile PM10 (Hourly measured)||not applicable||3 µg/m3 (TEOM FDMS)||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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