Slough Chalvey M4
Map | Data Summary | 7-Day Graphs | Data Archive
Latest Data 27/10/2021 10:00:00

The air pollution is categorised as LOW, MODERATE, HIGH or VERY HIGH by comparison with the National Air Pollution Index and Banding System.

Parameter Index Band Measurement Period
 NO   n/a   n/a   - µg/m3   Hourly 
 NO2   n/a   n/a   - µg/m3   Hourly 
 NOXasNO2   n/a   n/a   - µg/m3   Hourly 
Site Details
Site Name Slough Chalvey M4
Easting 496669.89
Northing 179058.11
Grid Ref
Comments 45 metres from the edge of the M4 motorway. co-located with 3 nitrogen dioxide diffusion tubes
Parameter Details
Parameter Date Started Date Ended
 NO   19/07/2005   ongoing 
 NO2   19/07/2005   ongoing 
 NOXasNO2   19/07/2005   ongoing