Hafod-yr-ynys Hill Roadside

Latest Data: Updated 19/06/2024 24:00 GMT

Parameter Index Band Concentration Period
NO2 1 LOW 19 µg/m3 hourly mean
NO No Data 2 µg/m3 hourly mean
NOXasNO2 No Data 23 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 Hill Roadside

Site Name Hafod-yr-ynys Hill Roadside
Site Type Roadside
Easting, Northing 321670, 198579
Latitude, Longitude 51.680494, -3.134325
OS Grid Ref
Site Comments This is a main road and gateway to Caerphilly CBC. This is a hill and on the Northern side of the road 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
Nitrogen oxides as nitrogen dioxide 01/10/2023
Modelled Temperature 01/10/2023
Nitric Oxide 01/10/2023
Modelled Wind Speed 01/10/2023
Nitrogen dioxide 01/10/2023
Modelled Wind Direction 01/10/2023

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