City of London Corporation Monitoring Data

Beech Street NOx (CT4)

Latitude: 51.520219
Longitude: -0.096323
Date Started: 01/01/2003
Inlet Height: 2.0 metres
Environment: Urban Traffic

Latest Data

This monitoring site data was last updated: 23/04/2024 17:00

Parameter Pollution Band Concentration Period
Nitrogen dioxide (NO2) Low (Index 1) 38 µg/m3 hourly mean
Nitric oxide (NO) not applicable 11 µg/m3 hourly mean
Nitrogen oxides as nitrogen dioxide (NOx as NO2) not applicable 55 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 Beech Street NOx monitoring site