Most and fewest people in radon Affected Areas: places in Wales (2022)
Pembrokeshire was the most people in radon Affected Areas of Wales’s 22 councils in 2022 (people in radon Affected Area squares 100%).
Blaenau Gwent was the fewest people in radon Affected Areas (51%). The middle council, Monmouthshire, had 88%.
See it on the map| Rank | Council | Value |
|---|---|---|
| 1 | Pembrokeshire | 100% |
| 2 | Ceredigion | 98% |
| =3 | Torfaen | 96% |
| =3 | Wrexham | 96% |
| =5 | Conwy | 94% |
| =5 | Powys | 94% |
| =7 | Bridgend | 93% |
| =7 | Flintshire | 93% |
| =7 | Gwynedd | 93% |
| 10 | Vale of Glamorgan | 90% |
| 11 | Monmouthshire | 88% |
| 12 | Carmarthenshire | 87% |
| 13 | Rhondda Cynon Taf | 86% |
| 14 | Caerphilly | 85% |
| 15 | Swansea | 81% |
| 16 | Neath Port Talbot | 77% |
| 17 | Newport | 74% |
| 18 | Denbighshire | 64% |
| 19 | Isle of Anglesey | 63% |
| 20 | Merthyr Tydfil | 62% |
| 21 | Cardiff | 60% |
| 22 | Blaenau Gwent | 51% |
Worked out by Open Index from the UKHSA and BGS radon atlas and census output areas. Source and method · See it on the map