Prefer Newsweek on Google to see more of our trusted coverage when you search. Millions of Americans across seven states in the Southwest are facing high levels of ultraviolet (UV) radiation levels ...

Add Yahoo as a preferred source to see more of our stories on Google. Understanding the UV index can help you protect yourself from further, painful burns — and long-term skin damage. "The UV index ...

AUSTIN, Texas — Springtime is short in the South, while summer is long, hot and seemingly never-ending. Transitioning into spring, you'll hear many folks talk about the UV index as the days start to ...

How sunny is too sunny? Sometimes it's tough to know, but as temperatures reach new highs in Michigan, understanding the UV index can help you avoid sunburns and heat-related illnesses. The sun's ...

Add Yahoo as a preferred source to see more of our stories on Google. Two friends sunbathing at the beach (Manuel Arias Duran via Getty Images) The term “UV index” is not top of mind for most of us - ...

For people who live in a place as sunny as metro Phoenix, the Ultraviolet Index is a crucial tool to help protect against dangerous levels of sun exposure. The UV Index measures the radiation that ...

Some people use the UV index to determine the best time to tan, believing that a higher index signals a better chance of tanning. However, this harmful trend misunderstands the UV index. The UV index ...