Crap Towns / Swanley / Air quality
How dirty is the air in Swanley?
People in Swanley breathed an average of 12.1 micrograms of nitrogen dioxide per cubic metre in 2024, 49% higher than the typical town's 8.1, and 7.8 of fine particles (PM2.5), 16% higher 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) | 12.1 | 8.1 | 10 |
| Fine particles (PM2.5) | 7.8 | 6.7 | 5 |
| Town | Distance | Nitrogen dioxide, µg/m³ |
|---|---|---|
| Greenwich | 11.6 km | 17.7 |
| Chafford Hundred and West Thurrock | 12.2 km | 15.5 |
| Dartford | 7.0 km | 15.0 |
| Purfleet-on-Thames | 10.3 km | 14.6 |
| Bexley | 7.2 km | 14.3 |
| Stone | 8.4 km | 13.7 |
| Swanscombe | 10.7 km | 13.5 |
| Bromley | 8.8 km | 13.1 |
| Swanley | – | 12.1 |
| Longfield, New Ash Green and Hartley | 10.1 km | 9.8 |
| Otford and Kemsing | 9.5 km | 8.7 |
| The typical town | – | 8.1 |