Aerial view of the Baltic Sea with toxic blue-green algae blooms.
Aerial view of the Baltic Sea with toxic blue-green algae blooms.
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Giftige alger spreder sig i Østersøen

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Giftige blågrønalger er blevet detekteret i store dele af Østersøen. Forekomsten er normal for sæsonen ifølge SMHI.

Satellitbilleder viser omfattende algeopblomstringer i den nordlige og centrale del af Østersøen. Cyanobakterierne er synlige omkring Gotland og nord for Öland.

Jörgen Öberg, oceanograf hos SMHI, fortæller, at de første tegn dukkede op for to uger siden. Forekomsten er steget gradvist siden da.

Det forventes, at algerne vil forblive på lignende niveauer de kommende dage på grund af svage vinde. Varmere vejr kan påvirke udviklingen.

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Photorealistic illustration of raging forest fires in Sweden, with helicopters and aircraft responding to SMHI fire risk warnings.
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Multiple forest fires erupt across Sweden amid ongoing SMHI warnings

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Following SMHI's forest fire risk warnings issued Friday, multiple blazes broke out across Sweden on Saturday, May 2. Fires reported in Gothenburg area, Årjäng, Uppsala, and elsewhere, with rescue services deploying aircraft and helicopters amid high risks in Götaland, Svealand, and parts of Norrland.

A sewage leak in Malmö's canal has led to bathing bans at several popular spots, though not everywhere. Bacteria levels are dropping according to samples.

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A leak in the sewage pipe released wastewater into the Malmö canal for two days. Hundreds of dead eels have been found at Ribersborgsstranden and swimming is discouraged at several locations.

Scientists are monitoring Vibrio bacteria, including the dangerous strain vulnificus, as it expands northward along the US East Coast amid rising ocean temperatures. Researchers at the University of Florida are developing an early warning system to predict high-risk areas a month in advance. The bacteria thrives in warm, brackish waters and poses greater risks to those with weakened immune systems.

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High levels of birch pollen are spreading northward in Sweden over the coming days. At the same time the risk of oak pollen is rising in the southern parts of the country, according to the Swedish Museum of Natural History.

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