Swansea Hafod DOAS

Latest Data: Updated 22/05/2018 12:00 GMT

Parameter Index Band Concentration Period
O3 2 LOW 40 µg/m3 8 Hour mean
NO2 1 LOW 42 µg/m3 hourly mean
NO No Data hourly mean
NOXasNO2 No Data hourly mean

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

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Parameter Parameter Name
O3 Ozone
NO2 Nitrogen dioxide

Statistics for Swansea Hafod DOAS

Site Name Swansea Hafod DOAS
Site Type Roadside
Easting, Northing 265931, 194460
Latitude, Longitude 51.632927, -3.938540
OS Grid Ref SS266195
Address Neath Road, SA1 2HL
Site Comments Sited within a congested section of Neath Road. Measurements are undertaken utilising Differential Optical Absorption Spectroscopy (DOAS) along an open path of 250m within the section of Neath Road from its junction with Maliphant Street up to a point near the junction with Bowen Street. A xenon lamp is shone from the transmitter which is located on the front wall of a property on Maliphant Street/Neath Road, with the receiver being located at a commercial premises 250 metres away. The receiver focuses and transmits the light via fibre optic cable into a spectra analyser. Concentrations are reported integrated over the path length and are therefore not directly comparable with fixed point measurements.
Monitoring Network: Welsh Automatic Urban pollution Monitoring
Parameter Date Started Date Ended
Nitric Oxide 01/02/2004
Benzene 01/02/2004
Nitrogen dioxide 01/02/2004
Modelled Temperature 01/08/2010
Nitrogen oxides as nitrogen dioxide 01/02/2004
Modelled Wind Speed 01/08/2010
Ozone 01/02/2004
Modelled Wind Direction 01/08/2010

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