# Most and fewest people in radon Affected Areas: places in South West (2022)

4 of South West’s 27 councils had the joint highest share of people in radon Affected Areas in 2022, at 100%.

Bournemouth, Christchurch and Poole had the lowest, at 3%. The middle council, Stroud, had 86%.

Worked out by Open Index from the UKHSA and BGS radon atlas and census output areas.

| Rank | Area | People in radon Affected Area squares |
| --- | --- | --- |
| =1 | [Cornwall](https://openindex.co.uk/cornwall) | 100% |
| =1 | [Isles of Scilly](https://openindex.co.uk/isles-of-scilly) | 100% |
| =1 | [South Hams](https://openindex.co.uk/south-hams) | 100% |
| =1 | [Torbay](https://openindex.co.uk/torbay) | 100% |
| =5 | [Bath and North East Somerset](https://openindex.co.uk/bath-and-north-east-somerset) | 99% |
| =5 | [Torridge](https://openindex.co.uk/torridge) | 99% |
| =5 | [West Devon](https://openindex.co.uk/west-devon) | 99% |
| =8 | [North Devon](https://openindex.co.uk/north-devon) | 98% |
| =8 | [Plymouth](https://openindex.co.uk/plymouth) | 98% |
| =8 | [Teignbridge](https://openindex.co.uk/teignbridge) | 98% |
| 11 | [Bristol](https://openindex.co.uk/bristol) | 92% |
| 12 | [South Gloucestershire](https://openindex.co.uk/south-gloucestershire) | 91% |
| 13 | [Cotswold](https://openindex.co.uk/cotswold) | 89% |
| 14 | [Stroud](https://openindex.co.uk/stroud) | 86% |
| 15 | [Mid Devon](https://openindex.co.uk/mid-devon) | 85% |
| 16 | [Forest of Dean](https://openindex.co.uk/forest-of-dean) | 81% |
| 17 | [North Somerset](https://openindex.co.uk/north-somerset) | 74% |
| 18 | [Cheltenham](https://openindex.co.uk/cheltenham) | 68% |
| 19 | [Exeter](https://openindex.co.uk/exeter) | 67% |
| 20 | [Tewkesbury](https://openindex.co.uk/tewkesbury) | 60% |
| 21 | [Dorset](https://openindex.co.uk/dorset) | 57% |
| 22 | [Somerset](https://openindex.co.uk/somerset) | 52% |
| 23 | [Wiltshire](https://openindex.co.uk/wiltshire) | 46% |
| 24 | [East Devon](https://openindex.co.uk/east-devon) | 37% |
| =25 | [Gloucester](https://openindex.co.uk/gloucester) | 11% |
| =25 | [Swindon](https://openindex.co.uk/swindon) | 11% |
| 27 | [Bournemouth, Christchurch and Poole](https://openindex.co.uk/bournemouth-christchurch-and-poole) | 3% |

Source: Worked out by Open Index from the UKHSA and BGS radon atlas and census output areas. Period: 2022. Period: 2022.

## Other rankings of this measure

- [UK](https://openindex.co.uk/rankings/radon-affected-areas/uk)
- [England](https://openindex.co.uk/rankings/radon-affected-areas/england)
- [Northern Ireland](https://openindex.co.uk/rankings/radon-affected-areas/northern-ireland)
- [Scotland](https://openindex.co.uk/rankings/radon-affected-areas/scotland)
- [Wales](https://openindex.co.uk/rankings/radon-affected-areas/wales)
- [North East](https://openindex.co.uk/rankings/radon-affected-areas/north-east)
- [North West](https://openindex.co.uk/rankings/radon-affected-areas/north-west)
- [Yorkshire and The Humber](https://openindex.co.uk/rankings/radon-affected-areas/yorkshire-and-the-humber)
- [East Midlands](https://openindex.co.uk/rankings/radon-affected-areas/east-midlands)
- [West Midlands](https://openindex.co.uk/rankings/radon-affected-areas/west-midlands)
- [East of England](https://openindex.co.uk/rankings/radon-affected-areas/east-of-england)
- [London](https://openindex.co.uk/rankings/radon-affected-areas/london)
- [South East](https://openindex.co.uk/rankings/radon-affected-areas/south-east)

- [The map](https://openindex.co.uk/map/radon-affected-areas)
- [Source and method](https://openindex.co.uk/sources/radon-affected-areas)
- [The two measures side by side](https://openindex.co.uk/map/radon#vs=population&mode=blend)

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/rankings/radon-affected-areas/south-west.

Open Index's own text and the figures it works out are licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source data keeps its publishers' licences, named with each figure. Give each figure's period and source with it.

Snapshot 2026.10.11. The HTML page: https://openindex.co.uk/rankings/radon-affected-areas/south-west