Crap Towns / Colwyn Bay / Air quality
How dirty is the air in Colwyn Bay?
People in Colwyn Bay breathed an average of 4.1 micrograms of nitrogen dioxide per cubic metre in 2024, 49% 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) | 4.1 | 8.1 | 10 |
| Fine particles (PM2.5) | 4.9 | 6.7 | 5 |
| Town | Distance | Nitrogen dioxide, µg/m³ |
|---|---|---|
| Bangor | 27.9 km | 4.5 |
| Holywell | 34.9 km | 4.3 |
| Colwyn Bay | – | 4.1 |
| Abergele | 10.5 km | 4.0 |
| Rhyl | 17.8 km | 4.0 |
| Ruthin | 34.8 km | 3.7 |
| Prestatyn | 22.5 km | 3.4 |
| Conwy | 5.5 km | 3.4 |
| Kinmel Bay | 14.8 km | 3.4 |
| Llandudno | 6.3 km | 3.4 |
| Denbigh | 25.1 km | 2.8 |
| The typical town | – | 8.1 |