| Countries | Lnight 50-55 dB | Lnight greater than 55 dB |
|---|---|---|
| Sofia | 31.9 | 39.1 |
| Tallinn | 25.0 | 25.9 |
| Bucharest | 19.9 | 30.5 |
| Luxembourg | 29.1 | 20.2 |
| Prague | 26.7 | 21.1 |
| Oslo and surrounds | 17.7 | 22.2 |
| Copenhagen | 19.3 | 19.7 |
| Dublin | 14.4 | 22.2 |
| Madrid | 19.6 | 14.8 |
| Bratislava | 18.3 | 15.9 |
| Ljubljana | 20.7 | 13.3 |
| Warsaw | 14.9 | 18.0 |
| Helsinki | 18.5 | 13.9 |
| Bern | 15.1 | 17.2 |
| Vienna | 16.3 | 14.3 |
| Vilnius | 16.4 | 12.2 |
| Zagreb | 17.0 | 9.4 |
| Amsterdam | 13.0 | 11.3 |
| Reykjavik | 8.4 | 10.7 |
| London | 6.0 | 11.9 |
| Paris | 5.2 | 10.7 |
| Valletta | 5.3 | 9.9 |
| Berlin | 5.0 | 8.9 |
| Stockholm | 10.0 | 3.5 |