Article from 05.03.2018 | Last changed: 26.03.2018
… sites indicated excessive pollution (class IV) until heavy pollution (class III) decrease significantly since the early 1990s. The part of measuring indicated critical pollution (class II-III) increase significantly. There is also a light increase of measuring sites … the annual average of 57 % of the measuring sites is in range of class II-III and 4 % in range of class III. The 5 measuring sites in the transitional waters …