1-2 UV value (low): A UV Index reading of 2 or less means low danger from the Sun\'s UV rays for the average person: Wear sunglasses on bright days. In winter, reflection off snow can nearly ...

The UV index measures the strength of the sun's ultraviolet (UV) radiation. The index ranges from 0 to 11, with higher numbers indicating greater risk of sunburn and skin damage.

The UV index measures the intensity of skin-damaging ultraviolet radiation at the Earth's surface. The UV index ranges from 0 to 11-plus, with higher values indicating greater risk of sunburn and ...