According to the National Center for Hydrometeorology Forecast, on May 11, the UV index in all provinces and cities across the country is very high, popular in the range of 11-13 hours.
On May 11, the UV index in all provinces and cities across the country was very high. Photo: Thanh Dat / VNA Specifically, in the North, the UV index in Hanoi is at 8.8 – 9.4; Ha Long city (Quang Ninh province) at 7.8-8.4; in Hai Phong city is 7.6 – 9.4 and very high harm from 11-13 hours. In the Central region, the UV index in Da Nang cities is 7.8 – 9.5, Hue (Thua Thien-Hue province) is 7.7-9.6, Hoi An (Quang Nam province) is 7.8 – 9.5 and the same harm is very high. at 11-13 o’clock. For the South, the UV index in Ho Chi Minh City is 7.6 – 9.5, Ca Mau city (Ca Mau province) is 7.7 – 8.8 and the harmful effect is very high from 11-13 hours. In particular, the UV index in Can Tho city was the lowest with a maximum of only 7.7 and high harm at 10 o’clock; in Nha Trang (Khanh Hoa province) is highest when the maximum is 10.1 and the damage is very high from 10-13 hours. It is forecasted that from May 12-14, the UV index in all provinces and cities across the country is at a very high risk of harm, particularly in Ha Long city (May 12), Can Tho ( May 13-14), Ho Chi Minh City and Ca Mau (May 12-14) have a high risk of harm. According to the World Health Organization, the highest UV index is 11+ (too high) with a burn time of 10 minutes of continuous exposure; Index level 8-10 (very high) has a burn time of 25 minutes of continuous exposure. Ultraviolet radiation is a component of sunlight, in which ultraviolet rays A and B (UVA and UVB) can damage the DNA of skin cells. When exposed to too much sunlight, the skin will burn, dry, dull, lose elasticity, create wrinkles, accelerate aging and can cause skin cancer. In addition to its effects on the skin, ultraviolet rays can also cause eye problems. According to doctors, from 10-16 hours is the most intense sun, if not necessary, people should stay out of the street and when on the street should wear clothing that can protect the skin as much as possible, use a hat, hats cover the head, face … so wear a wide-brimmed hat that covers 2/3 of the face; use umbrellas, wear dark, black glasses, and seal the mask. People should choose thick, cross-woven, face-covered masks that are black and dark (90% sunscreen, light-colored masks only work against the sun by 60%). Blue medical masks are only dust-resistant, not sunscreen. In addition, people should use sun protection products with a sun protection factor (SPF) of 30 or more to protect the areas of the face, lips, arms, hands …, apply 15-20 minutes before Go out in the sun and reapply if you sweat a lot.
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