Latest Data: Updated 02/07/2019 24:00 GMT

Parameter Index Band Concentration Period
PM10 No Data 24 Hour mean
PM2.5 No Data 24 Hour mean

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

For more information on this monitoring data please contact this local authority at .

Download data in csv format

Mouse-over the graph to access further tools to analysis the data.

View last:


Parameter Parameter Name

Statistics for Twynyrodyn

Site Name Twynyrodyn
Site Type Urban industrial
Easting, Northing 305798, 205966
Latitude, Longitude 51.744444, -3.365833
OS Grid Ref SO056058
Site Comments Near an opencast mine
Monitoring Network: Welsh Automatic Urban pollution Monitoring
Parameter Date Started Date Ended
Particulates < 10um (hourly measured) 01/01/2005
Ambient Temperature 01/01/2005 31/03/2019
Modelled Temperature 01/08/2010
Wind Direction 01/01/2005 31/03/2019
Modelled Wind Speed 01/08/2010
Wind Speed 01/01/2005 31/03/2019
Modelled Wind Direction 01/08/2010
Particulates < 2.5um (hourly measured) 01/01/2005

The photographs show the site itself, and views looking North, East, South and West.

  • Monitoring Site Photo

  • View North

  • View East

  • View South

  • View West

Click the button below to create the PDF statistics report for the chosen year and site above. Please note that it is stated within the report text itself whether data used to create the statistical report is ratified or provisional.

Note: it may take a few seconds to generate the report.