Environment in Carmarthenshire
Welsh councilWest Wales. 190,037 people (mid-2025 estimate) in 2,371 square kilometres.
6 layers about environment for Carmarthenshire, each at the level its publisher released it, with its own date and source.
Radon Affected Area by ward
Worked out by Open Index · 2022
Carmarthenshire’s 51 wards range from 6% to 100%.
Radon potential
1 km gridPublished as points, so there is no single figure for Carmarthenshire. The map shows each one.
People in radon Affected Area squares
CouncilAbout 87% of people in Carmarthenshire live in a 1 km square that the radon atlas marks as a radon Affected Area.
Across the UK the figure is 44%.
Worked out by Open Index from the UKHSA and BGS radon atlas and census output areas.
- Against Wales
- 5% higher83%
- Against the UK
- twice44%
Nitrogen dioxide (NO2)
1 km gridPublished as points, so there is no single figure for Carmarthenshire. The map shows each one.
Fine particles (PM2.5)
1 km gridPublished as points, so there is no single figure for Carmarthenshire. The map shows each one.
Green space
OutlineGreat Britain onlyPublished as points, so there is no single figure for Carmarthenshire. The map shows each one.
Flood zones
OutlineEngland and Wales onlyPublished as points, so there is no single figure for Carmarthenshire. The map shows each one.