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013 Kelsterton Farm Connah's Quay 013 Kelsterton Farm Connah's Quay

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.

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Hydocarbon Diffusion Tube sitesHydocarbon Diffusion Tube sites (8 Sites)
NO2 Diffusion Tube sitesNO2 Diffusion Tube sites (986 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

013 Kelsterton Farm Connah's Quay

NO2 Diffusion Tube sites
013 Kelsterton Farm Connah's Quay in 2017

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Nitrogen dioxide

Date NO2 Units
04/01/2017  19* ugm-3
29/03/2017  16* ugm-3
26/04/2017  11* ugm-3
31/05/2017  12* ugm-3
28/06/2017  8* ugm-3
02/08/2017  8* ugm-3
30/08/2017  6* ugm-3
27/09/2017  10* ugm-3

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

Use the buttons above to view data for years between 1995 and 2017

Further data and graphs may be downloaded here.

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