The UV Index (UVI) is internationally standardized. It is a measure of the intensity of UV radiation reaching the earth's surface on a horizontal area, weighted according to the risk of sunburn.
The UV index is a measure of the intensity of UV radiation reaching the earth’s surface on a horizontal area, weighted according to the risk of sunburn.
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UV index forecasts are issued every 3 days each year from April to September by BfS, in cooperation with the Federal Environment Agency (Umweltbundesamt), Germany's National Meteorological Service (Deutscher Wetterdienst, DWD) and other associated institutions. The UV index is the internationally standardised measure of the daily peak value of erythemal UV radiation expected to reach the Earth’s surface. The higher the UVI value, the less time it takes for sunburn to occur on unprotected skin.
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Bei den UV-Index-Prognosegebieten handelt es sich um ausgewählte großräumige Wetterregionen. So können meteorologische beziehungsweise klimatische Besonderheiten der jeweiligen Region berücksichtigt werden. Die UV-Index-Werte geben Mittelwerte für diese Regionen an.
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