| Rank | Location | Max recorded PM2.5 | |
|---|---|---|---|
| 1 | University College Cork | 767μg/m3 | 4 |
| 2 | Enniscorthy, Co. Wexford | 51μg/m3 | 2 |
| 3 | Sandymount Green, Dublin 4 | 42μg/m3 | |
| 4 | Davitt Road, Inchicore, Dublin 12 | 41μg/m3 | |
| 5 | St. John’s Road, Kilmainham, Dublin 8 | 33μg/m3 | |
| 6 | Achill Island, Co. Mayo | 33μg/m3 | |
| 7 | Newbridge, Co. Kildare | 30μg/m3 | |
| 8 | Macroom, Co. Cork | 29μg/m3 | |
| 9 | Tralee Library, Co. Kerry | 27μg/m3 | |
| 10 | Phoenix Park, Dublin 8 | 26μg/m3 |