5. Slovenia
EPI score: 88.98
Motherland of the First Lady, Melania Trump, ranks pretty high on our list of cleanest countries in the world. If you ever pass through Slovenia, you will witness its beautiful, fairytale-like nature. Once you see that, you will understand why Slovenia ranks this high on our list. All of the 48 bathing spots in Slovenia measured quality that is comparable to other European countries.
Pixabay/Public Domain
