London Borough of Barnet

London Barnet Chalgrove School (BN2)

Latitude: 51.591901
Longitude: -0.205992
Date Started: 09/08/2000
Inlet Height: 3 metres
Environment: Urban Background
Site Comments
Site within school playground within suburban area, 300m from busy A406

Latest Data

This monitoring site data was last updated: 26/05/2019 13:00

Parameter Pollution Band Concentration Period
Nitrogen dioxide (NO2) Low (Index 1) 8 µg/m3 hourly mean
PM10 particulate matter (Hourly measured) Low (Index 1) 12 µg/m3 (VCM) 24 Hour mean
Nitric oxide (NO) not applicable 2 µg/m3 hourly mean
Nitrogen oxides as nitrogen dioxide (NOx as NO2) not applicable 11 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.

Map showing the location of the London Barnet Chalgrove School monitoring site