Swansea Morriston Roadside

Latest Data: Updated 10/12/2018 12:00 GMT

Parameter Index Band Concentration Period
PM2.5 No Data 24 Hour mean
O3 No Data 8 Hour mean
NO2 No Data hourly mean
NOXasNO2 No Data hourly mean
NO 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
NO Nitric Oxide
NO2 Nitrogen dioxide
NOXasNO2 Nitrogen oxides as nitrogen dioxide
PM25 Particulates < 2.5um (hourly measured)

Statistics for Swansea Morriston Roadside

Site Name Swansea Morriston Roadside
Site Type Roadside
Easting, Northing 267209, 197675
Latitude, Longitude 51.662122, -3.921301
OS Grid Ref SS6721197685
Address Wychtree Street, Morriston, Swansea
Site Comments The Morriston Groundhog has been operational since September 2000 and is located adjacent to the southbound slip road to the busy A4067 dual carriageway at Morriston Underpass. The Hafod AQMA boundary is approximately one mile south of this location.
Monitoring Network: Welsh Automatic Urban pollution Monitoring
Parameter Date Started Date Ended
Modelled Wind Speed 01/08/2010
Carbon Monoxide 17/10/2000 07/04/2010
Nitrogen oxides as nitrogen dioxide 17/10/2000
Sulphur dioxide 17/10/2000 23/09/2010
Non-volatile PM10 (Hourly measured) 28/10/2006 17/12/2015
Modelled Wind Direction 01/08/2010
Hydrogen Sulphide 17/10/2000 22/01/2009
Ozone 17/10/2000
Ambient Temperature 17/10/2000
Volatile PM10 (Hourly measured) 28/10/2006 17/12/2015
Nitric Oxide 17/10/2000
Particulates < 10um (hourly measured) 17/10/2000 27/10/2006
Wind Direction 17/10/2000
Particulates < 10um (hourly measured) 17/10/2000 17/12/2015
Nitrogen dioxide 17/10/2000
Particulates < 2.5um (hourly measured) 15/01/2016
Wind Speed 17/10/2000
Modelled Temperature 01/08/2010

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