![]() ![]() ![]() There are three different types of UV light, which have varying wavelengths. ![]() fresh snow almost doubles a person’s UV exposure.grass, soil, or water reflect less than 10% of UV radiation.Many surfaces also reflect UV radiation, which adds to the overall UV levels a person experiences: However, light clouds offer little protection and even enhance UV levels due to an effect called scattering. UV levels tend to be highest under cloudless skies, and cloud cover generally reduces a person’s exposure. Over 90% of UV rays can pass through a light cloud cover and cause sunburn. Share on Pinterest Oliver Rossi/Getty ImagesĮven on cloudy days, the sun still emits UV light, which penetrates clouds and can result in sunburn. ![]()
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