The UV index from Central Central to the South has a very high risk of harm

According to the National Center for Meteorological and Hydrological Forecast, on March 26, the maximum ultraviolet (UV) index in the provinces and cities from Central Central to the South all reached a very high risk of harm from 8.0 to 9.9.

On March 26, the maximum UV index in the provinces and cities from the Central to the South reached a very high level of harm. Artwork: Thanh Vu / TTXVN Forecast, at 12 o’clock on March 26, Hue city (Thua Thien – Hue) has UV index of 9.6, Da Nang city has index of 9.9, Hoi An city (Quang Nam) has index. 9.7, Nha Trang City (Khanh Hoa) has 9.1, Ho Chi Minh City and Can Tho City both have 8.0, and Ca Mau City (Ca Mau) has 9.8. From March 27-29, the cities of Ha Long (Quang Ninh), Hai Phong and Hanoi have mainly UV indexes reaching the threshold of high risk of harm (July 6), while cities in the In the Central Central region to the South, the UV index reached the threshold of very high harm risk (9-11). On the scale of the UV index, 3-5 is average, 6-7 is high, 8-10 is very high, above 10.5 is exceptionally high, very dangerous. UV rays can penetrate clouds and windows, if the skin is exposed to direct sunlight for 25 minutes when the UV index is at a very high threshold, it will cause burns. UV rays are essentially thermal radiation that is harmful to the human body. UV rays are most affected by direct contact with the skin and eye surfaces, causing serious long-term problems. In the eyes, regular exposure to UV rays can lead to corneal inflammation, red eye pain, cataracts, and retinal damage. Skin, if constantly exposed to the sun without protection, UV rays will attack the dermis, making the skin darker (the phenomenon of tanning). In addition, intense sunlight causes the skin to rapidly age, create wrinkles, damage and even lead to skin cancer. When walking on the street, people can use anti-UV glasses to protect their eyes, avoiding the harmful effects of UV rays to important parts of the eye such as the cornea, lens and retina. The World Health Organization (WHO) assesses UV rays appear at all times of the day and operate independently whether it’s rainy or sunny or shady. The most intense time of UV rays is from 10 hours to 14 hours a day. During this time, people should minimize outdoor travel and when necessary measures to prevent UV rays are required. To prevent UV damage, health experts recommend that people wear eye protection sunglasses, choose lenses that are sun-resistant, UV absorption from 99-100% will protect Best for the eyes and surrounding skin. Along with that, people should supplement with fresh fruit rich in vitamin C, which helps to limit the harmful effects from ultraviolet rays; Use sunscreen regularly every time you go out, even when it’s cloudy.