The UV Index is issued daily to advise you on the strength of the sun’s UV rays in your region. The higher the number, the stronger the rays. Check your region’s UV index here daily, and take the proper precautions to protect yourself when you’re outdoors.
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*Does not account for reflective surfaces: concrete, sand, snow or water or Altitude.
Concrete, sand, water, and snow reflect 85% to 90% of the sun's UV rays.