Latest Data: Updated 29/07/2021 16:00 GMT
|NO2||1||LOW||45 µg/m3||hourly mean|
|NOXasNO2||No Data||151 µg/m3||hourly mean|
|NO||No Data||69 µg/m3||hourly mean|
Note: Values are based on provisional data. Data are GMT hour ending.
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|NOXasNO2||Nitrogen oxides as nitrogen dioxide|
Statistics for Hafod-yr-ynys Roadside
|Site Name||Hafod-yr-ynys Roadside|
|Easting, Northing||321727, 198588|
|Latitude, Longitude||51.680579, -3.133508|
|OS Grid Ref||ST217985|
|Site Comments||This is a main road and gateway to Caerphilly CBC. This is a hill and on the opposite side of the road from Woodside Terrace is a large retaining wall which creates a canyon effect. There is a signalised junction at the bottom of the hill. All types of traffic use this road.|
|Monitoring Network: Welsh Automatic Urban pollution Monitoring|
|Parameter||Date Started||Date Ended|
|Modelled Wind Direction||01/10/2011|
|Nitrogen oxides as nitrogen dioxide||01/10/2011|
|Modelled Wind Speed||01/10/2011|
The photographs show the site itself, and views looking North, East, South and West.
Monitoring Site Photo
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