Crap Towns / Treorchy / Air quality
How dirty is the air in Treorchy?
People in Treorchy breathed an average of 5.4 micrograms of nitrogen dioxide per cubic metre in 2024, 33% lower than the typical town's 8.1, and 4.9 of fine particles (PM2.5), 27% 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) | 5.4 | 8.1 | 10 |
| Fine particles (PM2.5) | 4.9 | 6.7 | 5 |
| Town | Distance | Nitrogen dioxide, µg/m³ |
|---|---|---|
| Pontypridd | 13.7 km | 8.0 |
| Porth | 8.9 km | 6.7 |
| Tonypandy | 5.7 km | 6.6 |
| Abercynon | 12.6 km | 6.4 |
| Rhondda | 3.1 km | 5.8 |
| Mountain Ash | 9.0 km | 5.8 |
| Tonyrefail | 10.4 km | 5.7 |
| Treorchy | – | 5.4 |
| Maesteg | 11.2 km | 5.3 |
| Aberdare | 7.3 km | 4.9 |
| Treherbert | 3.6 km | 4.6 |
| The typical town | – | 8.1 |