The UV Index measures the radiation that comes from the sun and is tracked by the U.S. Environmental Protection Agency. The higher the UV Index, the more protection you need from the sun's rays.

The UV Index is a scale that helps illustrate how strong the sun's radiation is. (WDBJ Weather) The index uses a scale from 0 (low risk) to 11+ (very high risk). The forecast must consider cloud ...

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.

On Earth, this can damage cells, ranging from a mild sunburn to skin cancer. In space, without a planet's atmospheric filters, UV radiation is far more intense.

Ultraviolet radiation is quantified daily using the “UV Index”, which takes into account calendar date, location, and weather conditions. At a UV index of 6, the risk of getting sunburned ...

It's an interesting conundrum: The effects of ultraviolet (UV) radiation from sun exposure can induce the onset of, or exacerbate, the symptoms of certain autoimmune diseases. Now flip the coin: UV ...