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Victoria Street, Merthyr Tydfil Victoria Street, Merthyr Tydfil

This section of the website allows you to choose a type of monitoring site, and then details for individual sites. Once you have chosen a site, its location will appear on the map above.

Choose a different type of monitoring site:
Hydocarbon Diffusion Tube sitesHydocarbon Diffusion Tube sites (8 Sites)
NO2 Diffusion Tube sitesNO2 Diffusion Tube sites (1010 Sites)
O3 Diffusion Tube sitesO3 Diffusion Tube sites (6 Sites)
SO2 Diffusion Tube sitesSO2 Diffusion Tube sites (9 Sites)

Non-Automatic Monitoring Sites in Wales

Victoria Street, Merthyr Tydfil

NO2 Diffusion Tube sites
Victoria Street, Merthyr Tydfil in 2012

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Nitrogen dioxide

Date NO2 Units
06/01/2012  33 ugm-3
09/02/2012  45 ugm-3
29/02/2012  31 ugm-3
30/03/2012  31 ugm-3
25/04/2012  22* ugm-3

Ratification Status:
» Red* - Provisional
» Green - Ratified

Use the buttons above to view data for years between 1998 and 2012

Further data and graphs may be downloaded here.

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