Algae blooms in large quantities make the water toxic and can be directly dangerous, both for humans and for pets. Therefore, it is important that the public receives information about where in Sweden it can pose a health risk to swim or drink the water.
Manually taking water samples at sea is no longer the only way to predict the progress of algal blooms. Data from space satellites can tell what kind of particles are in the water and how high the concentrations are in an area.
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