Air Pollution (NO₂) in North WalesLocal Authorities Ranked
All 6 local authorities in North Wales, ranked by air pollution (no₂). Data: Department for Environment, Food and Rural Affairs (2024), Open Government Licence v3.0.
Open the interactive map| Rank | Local authority | Air Pollution (NO₂) |
|---|---|---|
| 1 | Flintshire | 4 µg/m³ NO₂ |
| 2 | Wrexham | 4 µg/m³ NO₂ |
| 3 | Denbighshire | 2 µg/m³ NO₂ |
| 4 | Isle of Anglesey | 2 µg/m³ NO₂ |
| 5 | Conwy | 2 µg/m³ NO₂ |
| 6 | Gwynedd | 1 µg/m³ NO₂ |