Skip Navigation [Access Key S]
Index 1 to 3 Low (1-3) Index 7 to 9 High (7-9)
Index 4 to 6 Moderate (4-6) Index 10 Very High (10)
No Data No Data » What does this mean?
View a text-based summary for all monitoring sites
  Download a KMZ layer to view pollution levels in Google Earth

Site Summary of Monitoring Sites

« Return to the homepage

View Summary of Closed Automatic Sites

Site NameIndexPollution LevelUpdated On
Aston Hill 2  Low 14:00:00 27/03/2017 
Anglesey Felin Cafnan  No Data  
Anglesey Llynfaes  No Data  
Anglesey Brynteg  No Data  
Caerphilly White Street 2  Low 12:00:00 27/03/2017 
Caerphilly Blackwood High Street 1  Low 12:00:00 27/03/2017 
Hafod-yr-ynys Roadside 1  Low 14:00:00 27/03/2017 
Nantgarw Road 1  Low 09:00:00 27/03/2017 
Caerphilly Fochriw 1  Low 11:00:00 27/03/2017 
Cardiff Centre 2  Low 14:00:00 27/03/2017 
Chepstow A48 2  Low 14:00:00 27/03/2017 
Cwmbran 2  Low 14:00:00 27/03/2017 
V Glamorgan Windsor Road Penarth 2  Low 05:00:00 27/03/2017 
Marchlyn Mawr 3  Low 11:00:00 27/03/2017 
Newport St Julians Comp School 2  Low 14:00:00 27/03/2017 
Newport M4 Junction 25 1  Low 13:00:00 27/03/2017 
Cimla Road / Victoria Gardens 1  Low 06:00:00 27/03/2017 
Narberth 2  Low 14:00:00 27/03/2017 
Port Talbot Theodore Road 2  Low 14:00:00 27/03/2017 
Port Talbot Prince Street 2 2  Low 13:00:00 27/03/2017 
Port Talbot Margam 2  Low 14:00:00 27/03/2017 
Port Talbot Dyffryn School 2  Low 14:00:00 27/03/2017 
Port Talbot Docks 2  Low 14:00:00 27/03/2017 
Port Talbot Talbot Road 2  Low 14:00:00 27/03/2017 
Port Talbot Twll-yn-y-Wal Park 2  Low 14:00:00 27/03/2017 
Port Talbot Little Warren 3  Low 14:00:00 27/03/2017 
Rhondda-Cynon-Taf Nantgarw  No Data  
Rhondda-Cynon-Taf Broadway 1  Low 11:00:00 27/03/2017 
Rhondda Pontypridd Gelliwastad Rd 1  Low 06:00:00 27/03/2017 
Rhondda Glyncoch Garth Avenue 1  Low 13:00:00 27/03/2017 
Rhondda Mountain Ash 1  Low 12:00:00 27/03/2017 
Swansea Station Court High Street 1  Low 14:00:00 27/03/2017 
Swansea Roadside 2  Low 14:00:00 27/03/2017 
Swansea Morriston Roadside 2  Low 12:00:00 27/03/2017 
Swansea Hafod DOAS 2  Low 13:00:00 27/03/2017 
Swansea St Thomas DOAS 2  Low 13:00:00 27/03/2017 
Swansea Cwm Level Park 3  Low 14:00:00 27/03/2017 
Twynyrodyn  No Data  
Wrexham 1  Low 11:00:00 27/03/2017 

Latest News

Website Improved - Air Quality Exceedance Summary and Statistics Download
Published Date: 01/10/2012

New features have been added to this website to enable users to:

  • View an exceedance summary for each pollutant at a...

    More News

Latest Report

Comparison of the Modelled National Air Quality Maps with 2015 Welsh AQ Monitoring Data
Published Date: 14/03/2017

» Download report (pdf)

More Reports

Latest Seminar

WAQF 2016 Seminar: Policy updates and developments in Air Quality Research
Published Date: 19/10/2016

The Annual Air Quality Seminar was held on Thursday 6th October 2016 at Caerphilly Council Chamber at Penallta House. ...

» Programme (pdf)
» State of Natural Resources Report (SoNaRR) - An assessment of sustainable management of natural resources in Wales (pdf)
By Michael Evans, Natural Resources Wales
» Air quality and the Well-being of Future Generations (Wales) Act 2015 (pdf)
By Martin McVay, Welsh Government
» Air quality research using telematics data (pdf)
By James Tate, University of Leeds
» Non-bias review of different types of small air sensors (pdf)
By Pete Edwards, University of York
» Sources of Nickel in Pontardawe (pdf)
By Anna Font, King's College London
» Catalytic paints to reduce NOX (pdf)
By David Carslaw, AQEG
» Traffic impact on ecology (pdf)
By Ricardo and Carmarthenshire Nick Rand and Olly Matthews

More Seminars