Hafod-yr-ynys Roadside

Latest Data: Updated 09/06/2023 06:00 GMT

Parameter Index Band Concentration Period
NO2 1 LOW 54 µg/m3 hourly mean
NOXasNO2 No Data 156 µg/m3 hourly mean
NO No Data 67 µg/m3 hourly mean

Note: Values are based on provisional data. Data are GMT hour ending.

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Parameter Parameter Name
NO Nitric Oxide
NO2 Nitrogen dioxide
NOXasNO2 Nitrogen oxides as nitrogen dioxide

Statistics for Hafod-yr-ynys Roadside

Site Name Hafod-yr-ynys Roadside
Site Type Kerbside
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
Nitric Oxide 01/10/2011
Modelled Wind Speed 01/10/2011
Nitrogen dioxide 01/10/2011
Modelled Wind Direction 01/10/2011
Nitrogen oxides as nitrogen dioxide 01/10/2011
Modelled Temperature 01/10/2011

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