Air quality in Wales
Air quality index (AQI⁺) and PM2.5 air pollution in Wales • 11:22, Oct 18
Live most polluted city ranking
Real-time Wales most polluted city ranking
Wildfires in Wales
Real-time information
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Learn more about global air quality
Which is the most polluted city in Wales?
- Cardiff42
- Cwmbran31
- Ruabon30
- Templeton30
- Swansea22
- Dyserth18
- Newport18
- Bishops Moat17
- Caerphilly17
- Chepstow17
- Port Talbot17
- Rhyl17
- Aberystwyth14
- Wrexham14
- Benllech13
- Cemaes Bay13
- Chirk13
- Deiniolen13
- Llanerchymedd13
- Llanfairpwllgwyngyll13
- Crosskeys12
- Crumlin12
- Penarth12
- Pontypridd12
- Blackwood11
- Carmarthen11
- Fochriw11
- Monmouth11
- Rhos on Sea11
- Bridgend10
- Mountain Ash10
- Landore9
- Morriston9
- Neath9
- Taibach9
