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

Blackburn with Darwen was the most people in radon Affected Areas of North West’s 35 councils in 2022 (people in radon Affected Area squares 98%).

5 councils were the joint fewest people in radon Affected Areas (0%). The middle council, Cumberland, had 51%.

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 | [Blackburn with Darwen](https://openindex.co.uk/blackburn-with-darwen) | 98% |
| 2 | [Rossendale](https://openindex.co.uk/rossendale) | 94% |
| 3 | [Rochdale](https://openindex.co.uk/rochdale) | 92% |
| =4 | [Hyndburn](https://openindex.co.uk/hyndburn) | 91% |
| =4 | [Lancaster](https://openindex.co.uk/lancaster) | 91% |
| 6 | [Bolton](https://openindex.co.uk/bolton) | 90% |
| =7 | [Bury](https://openindex.co.uk/bury) | 88% |
| =7 | [Ribble Valley](https://openindex.co.uk/ribble-valley) | 88% |
| 9 | [Oldham](https://openindex.co.uk/oldham) | 87% |
| 10 | [Tameside](https://openindex.co.uk/tameside) | 76% |
| 11 | [Chorley](https://openindex.co.uk/chorley) | 70% |
| 12 | [St. Helens](https://openindex.co.uk/st-helens) | 69% |
| 13 | [Pendle](https://openindex.co.uk/pendle) | 67% |
| 14 | [Halton](https://openindex.co.uk/halton) | 66% |
| 15 | [Westmorland and Furness](https://openindex.co.uk/westmorland-and-furness) | 65% |
| 16 | [Burnley](https://openindex.co.uk/burnley) | 62% |
| 17 | [Wigan](https://openindex.co.uk/wigan) | 58% |
| 18 | [Cumberland](https://openindex.co.uk/cumberland) | 51% |
| 19 | [Salford](https://openindex.co.uk/salford) | 40% |
| 20 | [West Lancashire](https://openindex.co.uk/west-lancashire) | 37% |
| 21 | [Knowsley](https://openindex.co.uk/knowsley) | 29% |
| 22 | [Stockport](https://openindex.co.uk/stockport) | 17% |
| 23 | [Manchester](https://openindex.co.uk/manchester) | 12% |
| =24 | [Cheshire West and Chester](https://openindex.co.uk/cheshire-west-and-chester) | 9% |
| =24 | [Warrington](https://openindex.co.uk/warrington) | 9% |
| 26 | [Cheshire East](https://openindex.co.uk/cheshire-east) | 6% |
| 27 | [Preston](https://openindex.co.uk/preston) | 5% |
| 28 | [Liverpool](https://openindex.co.uk/liverpool) | 4% |
| 29 | [Wyre](https://openindex.co.uk/wyre) | 3% |
| 30 | [South Ribble](https://openindex.co.uk/south-ribble) | 2% |
| =31 | [Blackpool](https://openindex.co.uk/blackpool) | 0% |
| =31 | [Fylde](https://openindex.co.uk/fylde) | 0% |
| =31 | [Sefton](https://openindex.co.uk/sefton) | 0% |
| =31 | [Trafford](https://openindex.co.uk/trafford) | 0% |
| =31 | [Wirral](https://openindex.co.uk/wirral) | 0% |

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)
- [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)
- [South West](https://openindex.co.uk/rankings/radon-affected-areas/south-west)

- [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/north-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 2026.10.9. The HTML page: https://openindex.co.uk/rankings/radon-affected-areas/north-west