Please note by clicking on Post you acknowledge that you have read the Terms of Service and the Grand Junction, CO report and/or forecast you are posting is in compliance with such terms. Be respectful. An inappropriate Grand Junction, CO report and/or forecast will be removed by a moderator.
A. The sun produces invisible rays called ultraviolet-A (UVA) or ultraviolet-B (UVB) that can damage the skin. Too much sun can cause sunburn, skin texture changes, and skin cancers. Rashes also can be attributed to sunlight. Even on cloudy days, UV radiation reaches the earth and can cause skin damage.
UVB, the chief cause of skin reddening and sunburn, tends to damage the skin's more superficial epidermal layers. It plays a key role in the development of skin cancer and a contributory role in tanning and photoaging. Its intensity varies by season, location, and time of day.