| Rank | Location | Max recorded PM2.5 | |
|---|---|---|---|
| 1 | Sandymount Green, Dublin 4 | 60μg/m3 | 7 |
| 2 | Enniscorthy, Co. Wexford | 51μg/m3 | 1 |
| 3 | Athlone Civic Centre & Library, Co. Westmeath | 45μg/m3 | |
| 4 | Achill Island, Co. Mayo | 43μg/m3 | |
| 5 | Cork Lower Glanmire Road | 25μg/m3 | 4 |
| 6 | Mungret, Co. Limerick | 22μg/m3 | |
| 7 | Tralee Library, Co. Kerry | 22μg/m3 | 5 |
| 8 | Abbeyfeale, Limerick | 22μg/m3 | |
| 9 | Mountrath, Co. Laois | 20μg/m3 | |
| 10 | Briarhill, Co. Galway | 20μg/m3 |