UV Index
UV Index : An international system for reporting ultraviolet radiation intensity. The index is defined as the UV spectral irradiance weighted by the CIE action spectrum, and is given in units of watts per square metre, multiplied by 40. Simply stated, the UV Index is a measure of the amount of skin-damaging (and eye-damaging) UV radiation that reaches the earth's surface. As the UV Index number increases, so does the potential risk
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