Spelthorne Borough Council

Spelthorne Sunbury Cross (SBC01)

Latitude: 51.420250
Longitude: -0.418515
Date Started: 10/01/2017
Inlet Height: 3 metres
Environment: Urban Background
Site Comments
Site located in residential street adjacent to small car park and strip of grassed field. Close to M3 J1 and busy Sunbury Cross roundabout.

Latest Data

This monitoring site data was last updated: 20/03/2019 11:00

Parameter Pollution Band Concentration Period
Nitrogen dioxide (NO2) Low (Index 1) 41 µg/m3 hourly mean
PM10 particulate matter (Hourly measured) Low (Index 1) 12 µg/m3 (FIDAS) 24 Hour mean
PM2.5 particulate matter (Hourly measured) Low (Index 1) 8 µg/m3 (Ref.eq) 24 Hour mean
Nitric oxide (NO) not applicable 15 µg/m3 hourly mean
Nitrogen oxides as nitrogen dioxide (NOx as NO2) not applicable 64 µg/m3 hourly mean
PM1 Particulates (PM1) not applicable 7 µg/m3 (FIDAS) 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 Spelthorne Sunbury Cross monitoring site