Skip Navigation [Access Key S]
Zebra Crossing, Llangyfelach Road, Hafod Zebra Crossing, Llangyfelach Road, Hafod

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 (1001 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

Zebra Crossing, Llangyfelach Road, Hafod

NO2 Diffusion Tube sites
Zebra Crossing, Llangyfelach Road, Hafod in 2013

«« 2013 2014 2015 2016 2017 »»

Nitrogen dioxide

Date NO2 Units
09/01/2013  70 ugm-3
30/01/2013  55 ugm-3
27/02/2013  53 ugm-3
28/03/2013  64 ugm-3
30/04/2013  54 ugm-3
29/05/2013  39 ugm-3
26/06/2013  46 ugm-3
31/07/2013  49 ugm-3
04/09/2013  34* ugm-3

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

Use the buttons above to view data for years between 2010 and 2017

Further data and graphs may be downloaded here.

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