Crap Towns / Holywell / Air quality
How dirty is the air in Holywell?
People in Holywell breathed an average of 4.3 micrograms of nitrogen dioxide per cubic metre in 2024, 47% lower than the typical town's 8.1, and 5.2 of fine particles (PM2.5), 22% 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) | 4.3 | 8.1 | 10 |
| Fine particles (PM2.5) | 5.2 | 6.7 | 5 |
| Town | Distance | Nitrogen dioxide, µg/m³ |
|---|---|---|
| Connah's Quay | 12.0 km | 6.2 |
| Greasby | 12.8 km | 5.9 |
| Neston | 10.9 km | 5.9 |
| Heswall | 10.4 km | 5.8 |
| Flint | 6.4 km | 5.5 |
| Bagillt | 1.6 km | 5.4 |
| Mold | 13.1 km | 5.1 |
| West Kirby | 11.2 km | 4.9 |
| Hoylake | 12.7 km | 4.5 |
| Holywell | – | 4.3 |
| Prestatyn | 14.1 km | 3.4 |
| The typical town | – | 8.1 |