UV (Ultraviolet) Exposure Categories

0 - 2

Low - An index reading of 2 or less low danger from the sun's UV rays for the average person. But if you burn easily, cover up and use sunscreen with at least SPF (sun protection factor) 15.

3 - 5

Moderate - An index reading of 3 to 5 means a moderate risk of harm. Take precautions if you will be outside. Stay in shade near midday.

6-7

High - An index reading of 6 to 7 means you may be at high risk of harm from unprotected exposure to the sun. Wear a wide-brimmed hat and sunglasses. Wear sunscreen with at least SPF 15, as protection against sunburn is needed. Reduce time in the sun between 10 a.m. and 4 p.m.

8-10

Very High - An index reading of 8 to 10 and above means you are at a very high risk of harm from unprotected sun exposure. Take extra precautions. Minimize exposure between 10 a.m. and 4 p.m. Cover up and wear a hat and sunglasses. Wear at least SPF 15 sunscreen.

11 +

Extreme - An index reading of 11 and above means you are at extreme risk of harm from unprotected sun exposure. Follow all of the above suggestions to protect yourself from the sun.