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Blue-green algae observations in summer 2026

The table below shows the blue-green algae observations for week 34 (Tuesday 18.8.2026):

Observation site Abundance of algae (0-3)
Ahmo beach0+
Siilinlahti beach0
Simpan beach0+
Toivala beach0
Panninniemi bathing area1
Pöljä bathing area0

0=no blue-green algae, 0+=individual blue-green algae spots, 1=slight blue-green algae, 2=very blue-green algae, 3=very blue-green algae

The national blue-green algae situation can be viewed on Järviwiki.