London Borough of Barnet Monitoring Data

Barnet Tally Ho (BN1)

Latitude: 51.614675
Longitude: -0.176607
Date Started: 20/12/1998
Inlet Height: 3 metres
Environment: Urban Traffic
Site Comments
Site on land between two carriage ways of busy high street.

Latest Data

This monitoring site data was last updated: Sorry, no current data available. The last data date time is: 22/02/2024 24:00

Parameter Pollution Band Concentration Period
Nitrogen dioxide (NO2) Low (Index 1) 35 µg/m3 hourly mean
PM10 particulate matter (Hourly measured) Low (Index 1) 7 µg/m3 (TEOM FDMS) 24 Hour mean
PM2.5 particulate matter (Hourly measured) Low (Index 1) 4 µg/m3 (TEOM FDMS) 24 Hour mean
Nitric oxide (NO) not applicable 9 µg/m3 hourly mean
Nitrogen oxides as nitrogen dioxide (NOx as NO2) not applicable 49 µg/m3 hourly mean
Non-volatile PM10 (Hourly measured) not applicable 4 µg/m3 (TEOM FDMS) 24 Hour mean
Volatile PM10 (Hourly measured) not applicable 3 µg/m3 (TEOM FDMS) 24 Hour mean
Non-volatile PM2.5 (Hourly measured) not applicable 3 µg/m3 (TEOM FDMS) 24 Hour mean
Volatile PM2.5 (Hourly measured) (Volatile PM2.5) not applicable 1 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.

Map showing the location of the Barnet Tally Ho monitoring site