Spelthorne Borough Council Monitoring Data
Spelthorne Sunbury Cross (SBC01)
Date Started: 10/01/2017
Environment: Urban Background
Site located in residential street adjacent to small car park and strip of grassed field. Close to M3 J1 and busy Sunbury Cross roundabout.
This monitoring site data was last updated: Sorry, no current data available. The last data date time is: 18/09/2020 22:00
|Nitrogen dioxide (NO2)||Low (Index 1)||11 µg/m3||hourly mean|
|PM10 particulate matter (Hourly measured)||Low (Index 1)||10 µg/m3 (FIDAS)||24 Hour mean|
|PM2.5 particulate matter (Hourly measured)||Low (Index 1)||3 µg/m3 (Ref.eq)||24 Hour mean|
|Nitric oxide (NO)||not applicable||0 µg/m3||hourly mean|
|Nitrogen oxides as nitrogen dioxide (NOx as NO2)||not applicable||12 µg/m3||hourly mean|
|PM1 Particulates (PM1)||not applicable||1 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.