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 sites (8 Sites)

NO2 Diffusion Tube sites (879 Sites)

O3 Diffusion Tube sites (6 Sites)

SO2 Diffusion Tube sites (9 Sites)

Non-Automatic Monitoring Sites in Wales

NO2 Diffusion Tube sites

« Return to Non Automatic Data Menu

The following sites are in the NO2 Diffusion Tube sites network. For more information including data, graphs and site photos, click on a monitoring site from the list below.

Please Note: There are over 100 sites in this network and too many to show on this page.
Please use the Local Authority Selector to narrow down your selection.

Air Quality in Wales

Website of the Welsh Air Quality Forum

Non-Automatic Monitoring Sites in Wales

NO2 Diffusion Tube sites