The UV index measures the strength of the sun's ultraviolet (UV) radiation. It is on a scale of 0 to
11, with the higher values indicating stronger UV radiation.
UV radiation can cause sunburn, skin cancer, and eye damage. The higher the UV index, the greater the
risk of these problems.
1-2: Low. no protection needed. You can safely stay outside using minimal sun protection.
3-7: Moderate to High. Protection needed. Seek shade during late morning through mid-afternoon. When
outside, generously apply broad-spectrum SPF-15 or higher suncreen on exposed skin, and wear protective
clothing, a wide-brimmed hat, and sunglasses.
8+: Very High to Extreme. Extra protection needed. Be carefull outside,
especially during late morning through mid-afternoon. If your shadow is shorter than you, seek shade and
wear protective clothing, a wide-brimmed hat, and sunglasses, and generously apply a minimum of SPF-15,
broad-spectrum sunscreen on exposed skin.