Crap Towns / Hertford / Air quality
How dirty is the air in Hertford?
People in Hertford breathed an average of 9.3 micrograms of nitrogen dioxide per cubic metre in 2024, 15% higher than the typical town's 8.1, and 7.3 of fine particles (PM2.5), 9% 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) | 9.3 | 8.1 | 10 |
| Fine particles (PM2.5) | 7.3 | 6.7 | 5 |
| Town | Distance | Nitrogen dioxide, µg/m³ |
|---|---|---|
| Waltham Cross | 12.7 km | 14.0 |
| Potters Bar | 13.0 km | 12.3 |
| Waltham Abbey | 13.8 km | 12.2 |
| Hatfield | 10.8 km | 11.8 |
| Cheshunt | 10.4 km | 11.0 |
| Hoddesdon | 6.7 km | 10.2 |
| Welwyn Garden City | 7.5 km | 10.2 |
| Harlow | 14.3 km | 10.0 |
| Ware | 4.1 km | 10.0 |
| Stevenage | 14.4 km | 9.4 |
| Hertford | – | 9.3 |
| The typical town | – | 8.1 |