UV Index |
Description |
Media Graphic Color |
Recommended Protection |
0-2 |
No danger to the average person |
Green |
Wear sunglasses on bright days; use sunscreen if there
is snow on the ground, which reflects UV radiation, or if you have
particularly fair skin. |
3-5 |
Moderate risk of harm from unprotected sun exposure |
Yellow |
Wear sunglasses and use sunscreen, cover the body with clothing and a
hat, and seek shade around midday when the sun is most intense. |
6-7 |
High risk of harm from unprotected sun exposure |
Orange |
Wear sunglasses and use sunscreen having SPF 15 or higher, cover the body with sun protective clothing and a wide-brim hat, and
reduce time in the sun from two hours before to three hours after solar
noon (roughly 10:00 AM to 4:00 PM during summer in zones that observe daylight saving time). |
8-10 |
Very high risk of harm from unprotected sun exposure |
Red |
Wear sunscreen, a shirt, sunglasses, and a hat. Do not stay out in the
sun for too long. |
11+ |
Extreme risk of harm from unprotected sun exposure |
Violet |
Take all precautions, including: wear sunglasses and use sunscreen,
cover the body with a long-sleeve shirt and trousers, wear a very broad hat, and avoid the
sun from two hours before to three hours after solar
noon. |