nterpretation of the UV Index Sun Exposure Risk UV Index Recommended protection Low 0-2 Safe to be outdoors - No protection required Moderate 3-5 Take precautions, such as covering up during midday hours, wearing a hat and sunglasses and using sunscreen. Stay in the shade near midday when the sun is strongest. High 6-7 Wear sunglasses and use SPF 30+ sunscreen, cover the body with sun protective clothing and a wide-brim hat, and reduce time in the sun from three hours before to three hours after solar noon. Very High 8-10 Wear SPF 30+ sunscreen, a shirt, sunglasses, and a hat. Do not stay out in the sun for too long. Extreme 11+ Take all precautions, including: wear sunglasses and use SPF 30+ sunscreen, cover the body with a long-sleeve shirt and trousers, wear a very broad hat, and avoid the sun from three hours before until three hours after solar noon.
挡不住的，只有特殊玻璃才行 ---发自Huaren 官方 iOS APP
Sun Exposure Risk UV Index Recommended protection
Low 0-2 Safe to be outdoors - No protection required
Moderate 3-5 Take precautions, such as covering up during midday hours, wearing a hat and sunglasses and using sunscreen.
Stay in the shade near midday when the sun is strongest.
High 6-7 Wear sunglasses and use SPF 30+ sunscreen, cover the body with sun protective clothing and a wide-brim hat, and reduce time in the sun from three hours before to three hours after solar noon.
Very High 8-10 Wear SPF 30+ sunscreen, a shirt, sunglasses, and a hat. Do not stay out in the sun for too long.
Extreme 11+ Take all precautions, including: wear sunglasses and use SPF 30+ sunscreen, cover the body with a long-sleeve shirt and trousers, wear a very broad hat, and avoid the sun from three hours before until three hours after solar noon.
别问我怎么知道的
涂了防晒就要卸妆
过度清洁损害皮肤屏障
就不会有维生素D缺乏的问题了