It's the time of year we start talking more about sunburn risks, which is measured through the UV index. In order to ...

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Colorado's high elevation directly impacts the amount of ultraviolet radiation reaching the ground due to lower air pressure. This impacts everything from Vitamin D production to sunburn times.

Here’s what doesn’t change: the UV index. The higher sun angle means stronger ultraviolet rays, which can cause sunburn just as ... you might not realize you're getting too much sun until ...