Toxic algae bloom unusually early in Poland in 2026 due to record heat

A researcher has warned that toxic blue-green algae (cyanobacteria) have bloomed unusually early in Polish waters this year, directly as a result of record high temperatures. Early blooms pose a health risk to swimmers, as the algae produce toxins dangerous to humans and animals. The expert warns that if high temperatures persist, the situation could worsen in the coming weeks.

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More on this topic

🔬 Science Heat dome over Poland in early August — temperatures may approach 40°C Onet Wiadomości · 3d ago 🔬 Science Green whirlpools in the Baltic Sea are dangerous algae blooms, not photo filters RMF24 · 16d ago 🏥 Health 16,430 deaths registered in Poland in two weeks of heatwave — doctors warn of monitoring gap Wirtualna Polska · 19d ago