Pollen
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Warning issued for high birch and oak pollen levels
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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.
Following days of summer heat, high birch pollen levels are warned for half the country in the coming days. The forecast runs until Monday with high risk in Götaland, Svealand, and parts of Norrland. Around three million Swedes suffer from pollen allergy.