Archive of Blue-green algae bulletins
Archive of Blue-green algae bulletins
Note: This is an archived report.
You can access the latest blue-green algae bulletin here.
Published 8.7.2026
Blue-green algae monitoring in the summer season 2026
Follow the blue-green algae situation on the algae situation map, which includes observations from the national blue-green algae monitoring programme and observations submitted by the public.
Blue-green algae situation can also be seen in the Lake-Seawiki (jarviwiki.fi)