The National Weather Service has issued Heat Advisories and Extreme Heat Watches throughout many parts of Illinois this weekend, warning of dangerously hot conditions and heat indexes over 100. Going ...

Checking the daily UV Index forecast can do more than help you plan outdoor activities - it can help protect your skin from harmful ultraviolet radiation and lower your risk of skin cancer.

The UV Index ranges on a scale of 1 to 11, rarely but sometimes higher than 11. A low UV Index is 1-2 with a burn time of 60 minutes. A medium UV Index is 3-5 with a burn time of 45 minutes, this is ...

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, ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. We get sunlight every ...

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 skin ...

There is no safe or good UV index for tanning, since a tan indicates skin damage. If you do want to tan anyway, use sunscreen and try to go on days with the lowest possible number. The safest way to ...

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 ...

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 ...