FrontpageHousing and the environmentEnvironmental healthSwimming waterBlue-green algae observations in summer 2026
Blue-green algae observations in summer 2026
The table below shows the blue-green algae observations for week 31 (Tuesday 28.7.2026):
| Observation site | Abundance of algae (0-3) |
| Ahmo beach | 0 |
| Siilinlahti beach | 0 |
| Simpan beach | 0 |
| Toivala beach | 0+ |
| Panninniemi bathing area | 0+ |
| Pöljä bathing area | 0 |
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.
