Crap Towns / Llangefni / Air quality
How dirty is the air in Llangefni?
People in Llangefni breathed an average of 2.6 micrograms of nitrogen dioxide per cubic metre in 2024, 68% lower than the typical town's 8.1, and 4.3 of fine particles (PM2.5), 36% 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) | 2.6 | 8.1 | 10 |
| Fine particles (PM2.5) | 4.3 | 6.7 | 5 |
| Town | Distance | Nitrogen dioxide, µg/m³ |
|---|---|---|
| Bangor | 11.8 km | 4.5 |
| Colwyn Bay | 37.9 km | 4.1 |
| Abergele | 48.2 km | 4.0 |
| Rhyl | 55.8 km | 4.0 |
| Caernarfon | 12.8 km | 3.5 |
| Conwy | 32.4 km | 3.4 |
| Kinmel Bay | 52.7 km | 3.4 |
| Llandudno | 32.7 km | 3.4 |
| Holyhead | 22.4 km | 3.2 |
| Denbigh | 60.2 km | 2.8 |
| Llangefni | – | 2.6 |
| The typical town | – | 8.1 |