
Warm weather has increased blue-green algae observations across the country17.7.2025 13:13:00 EEST | Suomen ympäristökeskus | Press release
Warm and calm weather has increased the occurrence of blue-green algae in inland waters as well as in coastal and offshore areas. Early summer rains and winds have also created favorable conditions for blue-green algae blooms. Observations have been made widely across the country, but the blue-green algae situation still remains fairly typical for mid-summer.