Ballymun in Dublin is the worst litter blackspot in the country, with the North Inner City also seriously littered.
The latest Irish Business Against Litter survey shows Kilkenny is the cleanest city nationwide.
It gets the gold star in the latest Irish Business Against Litter survey, followed by Killarney in second and Ennis and Tullamore.
Litter levels rose in 24 of the 37 towns and cities inspected at the end of 2020, with only 17 being deemed to be clean.
IBAL found that Coffee cups were among the most prevalent litter types found, while there was another rise in glass bottles and cans, suggesting that outdoor drinking has not waned over the winter months.
The survey also showed that the second half of 2020 brought a further increase in PPE-related litter, primarily masks.
2020 IBAL ANTI-LITTER LEAGUE – FINAL RESULT
| Position | Area | Classification |
| 1 | Kilkenny | Cleaner than European Norms |
| 2 | Killarney | Cleaner than European Norms |
| 3 | Ennis | Cleaner than European Norms |
| 4 | Tullamore | Cleaner than European Norms |
| 5 | Portlaoise | Clean to European Norms |
| 6 | Fermoy | Clean to European Norms |
| 7 | Bray | Clean to European Norms |
| 8 | Waterford City Centre | Clean to European Norms |
| 9 | Newbridge | Clean to European Norms |
| 10 | Maynooth | Clean to European Norms |
| 11 | Sligo | Clean to European Norms |
| 12 | Castlebar | Clean to European Norms |
| 13 | Gorey | Clean to European Norms |
| 14 | Ranelagh | Clean to European Norms |
| 15 | Letterkenny | Clean to European Norms |
| 16 | Athlone | Clean to European Norms |
| 17 | Tralee | Clean to European Norms |
| 18 | Limerick City Centre | Moderately littered |
| 19 | Galway City Centre | Moderately littered |
| 20 | Roscommon | Moderately littered |
| 21 | Drogheda | Moderately littered |
| 22 | Waterford City - Ballybeg | Moderately littered |
| 23 | Cavan | Moderately littered |
| 24 | Cork City Centre | Moderately littered |
| 25 | Longford | Moderately littered |
| 26 | Galway Inner City - Ballybane | Moderately littered |
| 27 | Monaghan | Moderately littered |
| 28 | Dundalk | Moderately littered |
| 29 | Dublin City Centre | Moderately littered |
| 30 | Tipperary | Moderately littered |
| 31 | Tallaght | Littered |
| 32 | Mahon - Cork City | Littered |
| 33 | Mullingar | Littered |
| 34 | Navan | Littered |
| 35 | Limerick City South - Galvone | Littered |
| 36 | Dublin North Inner City | Seriously littered |
| 37 | Ballymun | Seriously littered |
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