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What is UV radiation and what does the UV index mean?

April 26, 2017index mean radiation UV

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What is UV radiation and what does the UV index mean?

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Energy from the sun reaches the Earth as visible, infrared, and ultraviolet (UV) rays. Exposure to UV rays can cause numerous health problems, such as sunburn, skin cancer and other skin damage, cataracts, and can suppress the immune system. The Health EnviroMonitor can help analyze the changing levels of UV radiation and can serve to warn of situations where exposure is particularly unacceptable. The UV Index assigns a number between 1 and 16 for the current UV intensity. The lower number the lower the danger of sunburn.