Crap Towns / Cardiff / Air quality
How dirty is the air in Cardiff?
People in Cardiff breathed an average of 12.2 micrograms of nitrogen dioxide per cubic metre in 2024, 1.5 times the typical town's 8.1, and 5.9 of fine particles (PM2.5), 12% lower than the typical town's 6.7. Both are over the World Health Organization's guidelines of 10 and 5.
| Pollutant | Here | Typical town | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 12.2 | 8.1 | 10 |
| Fine particles (PM2.5) | 5.9 | 6.7 | 5 |
| Town | Distance | Nitrogen dioxide, µg/m³ |
|---|---|---|
| Cardiff | – | 12.2 |
| Rogerstone | 14.0 km | 9.1 |
| Caerphilly | 9.0 km | 8.9 |
| Penarth | 6.4 km | 8.5 |
| Bedwas | 10.2 km | 8.4 |
| Dinas Powis | 7.5 km | 8.0 |
| Risca | 13.9 km | 7.7 |
| Barry | 11.5 km | 7.7 |
| Church Village | 11.8 km | 7.7 |
| Beddau | 13.1 km | 7.5 |
| Abertridwr and Senghenydd | 12.4 km | 6.5 |
| The typical town | – | 8.1 |