Environment in Merthyr Tydfil

Merthyr Tydfil in Wales scores 74/100 (very good) for environment, measured against the national average — a score of 60 is typical for the country.

Green spaces

199

Deprivation decile

4

NO₂ (µg/m³)

5.3

Flood Zone 3 (% area)

4%

Road noise ≥55 dB (% area)

32%

Data last updated: 15 August 2026