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Mold Road, Wrexham Mold Road, Wrexham

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

Mold Road, Wrexham

NO2 Diffusion Tube sites
Mold Road, Wrexham in 2017

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Nitrogen dioxide

Date NO2 Units
01/02/2017  42* ugm-3
01/03/2017  33* ugm-3
29/03/2017  28* ugm-3
26/04/2017  14* ugm-3
31/05/2017  20* ugm-3
28/06/2017  18* ugm-3
02/08/2017  17* ugm-3
30/08/2017  19* ugm-3

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

Use the buttons above to view data for years between 2001 and 2017

Further data and graphs may be downloaded here.

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