Crap Towns / Treharris / Air quality
How dirty is the air in Treharris?
People in Treharris breathed an average of 6.4 micrograms of nitrogen dioxide per cubic metre in 2024, 21% lower than the typical town's 8.1, and 5.3 of fine particles (PM2.5), 21% lower than the typical town's 6.7. The fine particles are over the World Health Organization's guideline of 5; the nitrogen dioxide is within its 10.
| Pollutant | Here | Typical town | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 6.4 | 8.1 | 10 |
| Fine particles (PM2.5) | 5.3 | 6.7 | 5 |
| Town | Distance | Nitrogen dioxide, µg/m³ |
|---|---|---|
| Pontllanfraith | 8.0 km | 8.0 |
| Pontypridd | 6.6 km | 8.0 |
| Ystrad Mynach | 5.2 km | 7.5 |
| Blackwood | 7.5 km | 7.4 |
| Oakdale | 10.0 km | 7.3 |
| Porth | 8.8 km | 6.7 |
| Abertridwr and Senghenydd | 7.6 km | 6.5 |
| Treharris | – | 6.4 |
| Abercynon | 2.1 km | 6.4 |
| Bargod | 5.8 km | 6.1 |
| Mountain Ash | 6.1 km | 5.8 |
| The typical town | – | 8.1 |