| Rank | Location | Max recorded PM2.5 | |
|---|---|---|---|
| 1 | Achill Island, Co. Mayo | 61μg/m3 | 3 |
| 2 | Newbridge, Co. Kildare | 61μg/m3 | 8 |
| 3 | Enniscorthy, Co. Wexford | 51μg/m3 | |
| 4 | Abbeyfeale, Limerick | 29μg/m3 | |
| 5 | Athlone Civic Centre & Library, Co. Westmeath | 29μg/m3 | |
| 6 | Sandymount Green, Dublin 4 | 26μg/m3 | |
| 7 | Ringsend, Dublin 4 | 24μg/m3 | 6 |
| 8 | Longford Town | 19μg/m3 | 1 |
| 9 | Edenderry Library, Co. Offaly | 18μg/m3 | 2 |
| 10 | Thomastown, Co. Kilkenny | 16μg/m3 |