# Environment in Blaenau Gwent

South east Wales. 67,593 people (mid-2025 estimate) in 109 square kilometres.

6 layers about environment for Blaenau Gwent, each at the level its publisher released it, with its own date and source.

In: [Wales](https://openindex.co.uk/wales)

## Radon potential

1 km grid level. Source: BGS and UKHSA.

Published as points, so there is no single figure for Blaenau Gwent. The map shows each one.

[Map](https://openindex.co.uk/map/radon?place=W06000019) · [Source and method](https://openindex.co.uk/sources/radon) · https://openindex.co.uk/blaenau-gwent/environment#l-radon-potential

## People in radon Affected Area squares

Blaenau Gwent: **51%** (2022, council level). Source: Worked out by Open Index from the UKHSA and BGS radon atlas and census output areas. Published 1 December 2022.

About 51% of people in Blaenau Gwent live in a 1 km square that the radon atlas marks as a radon Affected Area.
Across the UK the figure is 44%.

- Against Wales: 39% lower (83%)
- Against the UK: 16% higher (44%)

[Map](https://openindex.co.uk/map/radon-affected-areas?place=W06000019) · [Source and method](https://openindex.co.uk/sources/radon-affected-areas) · [Ranking](https://openindex.co.uk/rankings/radon-affected-areas/wales) · https://openindex.co.uk/blaenau-gwent/environment#l-radon-affected-share

## Nitrogen dioxide (NO2)

1 km grid level. Source: Defra.

Published as points, so there is no single figure for Blaenau Gwent. The map shows each one.

[Map](https://openindex.co.uk/map/nitrogen-dioxide?place=W06000019) · [Source and method](https://openindex.co.uk/sources/nitrogen-dioxide) · https://openindex.co.uk/blaenau-gwent/environment#l-air-no2

## Fine particles (PM2.5)

1 km grid level. Source: Defra.

Published as points, so there is no single figure for Blaenau Gwent. The map shows each one.

[Map](https://openindex.co.uk/map/fine-particles?place=W06000019) · [Source and method](https://openindex.co.uk/sources/fine-particles) · https://openindex.co.uk/blaenau-gwent/environment#l-air-pm25

## Green space

Outline level, Great Britain only. Source: Ordnance Survey.

Published as points, so there is no single figure for Blaenau Gwent. The map shows each one.

[Map](https://openindex.co.uk/map/green-space?place=W06000019) · [Source and method](https://openindex.co.uk/sources/green-space) · https://openindex.co.uk/blaenau-gwent/environment#l-green-space

## Flood zones

Outline level, England and Wales only. Source: Environment Agency and Natural Resources Wales.

Published as points, so there is no single figure for Blaenau Gwent. The map shows each one.

[Map](https://openindex.co.uk/map/flood-zones?place=W06000019) · [Source and method](https://openindex.co.uk/sources/flood-zones) · https://openindex.co.uk/blaenau-gwent/environment#l-flood-zones

## More on this place

- [Overview](https://openindex.co.uk/blaenau-gwent)
- [Housing](https://openindex.co.uk/blaenau-gwent/housing) (17)
- [Crime](https://openindex.co.uk/blaenau-gwent/crime) (13)
- [People](https://openindex.co.uk/blaenau-gwent/people) (24)
- [Deprivation](https://openindex.co.uk/blaenau-gwent/deprivation) (2)
- [Health](https://openindex.co.uk/blaenau-gwent/health) (4)
- [Education](https://openindex.co.uk/blaenau-gwent/education) (2)
- [Transport](https://openindex.co.uk/blaenau-gwent/transport) (4)
- [Connectivity](https://openindex.co.uk/blaenau-gwent/connectivity) (5)
- [Economy](https://openindex.co.uk/blaenau-gwent/economy) (4)
- [Council tax](https://openindex.co.uk/blaenau-gwent/council-tax) (10)
- [Elections](https://openindex.co.uk/blaenau-gwent/elections) (8)
- [Local services](https://openindex.co.uk/blaenau-gwent/services) (3)
- [Sources](https://openindex.co.uk/blaenau-gwent/sources) (26)

The same figures as JSON: https://openindex.co.uk/v1/places/W06000019/data?family=environment

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/blaenau-gwent/environment, or to one figure with its anchor, https://openindex.co.uk/blaenau-gwent/environment#l-radon-potential.

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 2026.10.8, https://doi.org/10.5281/zenodo.23508850. The HTML page: https://openindex.co.uk/blaenau-gwent/environment