Crap Towns / London Colney / Air quality
How dirty is the air in London Colney?
People in London Colney breathed an average of 11.1 micrograms of nitrogen dioxide per cubic metre in 2024, 37% higher than the typical town's 8.1, and 7.7 of fine particles (PM2.5), 15% 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) | 11.1 | 8.1 | 10 |
| Fine particles (PM2.5) | 7.7 | 6.7 | 5 |
| Town | Distance | Nitrogen dioxide, µg/m³ |
|---|---|---|
| Potters Bar | 8.0 km | 12.3 |
| Borehamwood | 6.6 km | 12.2 |
| Watford | 10.9 km | 12.0 |
| Hatfield | 6.8 km | 11.8 |
| Bushey | 8.5 km | 11.7 |
| London Colney | – | 11.1 |
| Chiswell Green | 4.2 km | 10.8 |
| Abbots Langley and Kings Langley | 10.0 km | 10.7 |
| St Albans | 4.4 km | 10.5 |
| Radlett | 4.1 km | 10.3 |
| Harpenden | 11.4 km | 9.4 |
| The typical town | – | 8.1 |