Many young adults keep track of the UV through weather apps on their smartphones, in hopes that a high number will lead to a better tan — but some health experts are warning of the potential dangers.

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 ...

MACON, Ga. — As you try to beat the heat wave coming up next week, you'll be battling more than just heat. You'll also have to combat the Sun's harmful UV rays. The Sun is a star that emits radiation ...

HOUSTON — It's important to protect your skin from harmful sun exposure, but how do you know when to lather on the sunscreen? That's where the UV Index, which measure UV radiation levels, can help.

It's always important to protect yourself from UV radiation to avoid getting burned and damaging your skin. One way to plan for your safety outside is by checking the UV index. (Photo Credit: E+/Getty ...

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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 ...

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. Protective measures, ...

Wearing sunscreen all year round can help protect your skin from harmful UV rays. CREDIT: DieterMeyrl via Getty Images. Get the Popular Science daily newsletter💡 ...

We’re rapidly gaining daylength in Colorado... and we’ll get plenty of it with high pressure in place this week. With that gain, we’re also seeing jumps in our peak UV index, which is now peaking ...

HOUSTON — It's important to protect your skin from harmful sun exposure, but how do you know when to lather on the sunscreen? That's where the UV Index, which measure UV radiation levels, can help.