Crap Towns / Merthyr Tydfil / Air quality
How dirty is the air in Merthyr Tydfil?
People in Merthyr Tydfil breathed an average of 5.2 micrograms of nitrogen dioxide per cubic metre in 2024, 36% lower than the typical town's 8.1, and 5.0 of fine particles (PM2.5), 25% lower than the typical town's 6.7. Both are within the World Health Organization's guidelines of 10 and 5.
| Pollutant | Here | Typical town | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 5.2 | 8.1 | 10 |
| Fine particles (PM2.5) | 5.0 | 6.7 | 5 |
| Town | Distance | Nitrogen dioxide, µg/m³ |
|---|---|---|
| Treharris | 11.3 km | 6.4 |
| Abercynon | 12.1 km | 6.4 |
| Bargod | 12.3 km | 6.1 |
| Rhondda | 14.0 km | 5.8 |
| Mountain Ash | 7.7 km | 5.8 |
| Ebbw Vale | 12.2 km | 5.6 |
| Treorchy | 14.0 km | 5.4 |
| Merthyr Tydfil | – | 5.2 |
| Tredegar | 9.7 km | 5.2 |
| Aberdare | 6.7 km | 4.9 |
| Treherbert | 14.2 km | 4.6 |
| The typical town | – | 8.1 |