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6 Heol Tyrrell 6 Heol Tyrrell

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 (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

6 Heol Tyrrell

NO2 Diffusion Tube sites
6 Heol Tyrrell in 2017

2013 2014 2015 2016 2017

Nitrogen dioxide

Date NO2 Units
04/01/2017  38* ugm-3
01/02/2017  36* ugm-3
01/03/2017  26* ugm-3
29/03/2017  20* ugm-3
26/04/2017  18* ugm-3
31/05/2017  17* ugm-3
28/06/2017  10* ugm-3
02/08/2017  13* ugm-3
30/08/2017  13* ugm-3
27/09/2017  14* ugm-3

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

Use the buttons above to view data for years between 2013 and 2017

Further data and graphs may be downloaded here.

For more information on this monitoring data please contact this local authority at j.vesey@cardiff.gov.uk