Crap Towns / Llantwit Major / Air quality
How dirty is the air in Llantwit Major?
People in Llantwit Major breathed an average of 4.4 micrograms of nitrogen dioxide per cubic metre in 2024, 46% lower than the typical town's 8.1, and 4.6 of fine particles (PM2.5), 31% 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) | 4.4 | 8.1 | 10 |
| Fine particles (PM2.5) | 4.6 | 6.7 | 5 |
| Town | Distance | Nitrogen dioxide, µg/m³ |
|---|---|---|
| Pontyclun | 14.4 km | 8.5 |
| Dinas Powis | 18.8 km | 8.0 |
| Barry | 15.1 km | 7.7 |
| Beddau | 18.7 km | 7.5 |
| Bridgend | 12.6 km | 7.1 |
| Pencoed | 12.7 km | 6.8 |
| Sarn | 16.7 km | 6.4 |
| Llanharan and Brynna | 14.2 km | 5.8 |
| Rhoose | 9.4 km | 5.1 |
| Porthcawl | 17.0 km | 4.8 |
| Llantwit Major | – | 4.4 |
| The typical town | – | 8.1 |