Crap Towns / Caterham / Air quality
How dirty is the air in Caterham?
People in Caterham breathed an average of 9.9 micrograms of nitrogen dioxide per cubic metre in 2024, 22% higher than the typical town's 8.1, and 7.4 of fine particles (PM2.5), 10% higher 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) | 9.9 | 8.1 | 10 |
| Fine particles (PM2.5) | 7.4 | 6.7 | 5 |
| Town | Distance | Nitrogen dioxide, µg/m³ |
|---|---|---|
| Croydon | 7.6 km | 14.2 |
| Sutton | 10.3 km | 13.5 |
| Ewell | 12.6 km | 12.3 |
| South Merstham | 5.2 km | 11.8 |
| Banstead | 8.6 km | 10.5 |
| Redhill | 8.7 km | 10.2 |
| Tadworth and Epsom Downs | 10.2 km | 10.0 |
| Caterham | – | 9.9 |
| Reigate | 9.7 km | 9.5 |
| Warlingham | 3.2 km | 9.4 |
| Oxted | 7.6 km | 8.8 |
| The typical town | – | 8.1 |