The heat index in Hanoi and Ha Tinh reached dangerous levels
According to the National Center for Hydrometeorological Forecasting, on August 19, the Heat Index (Heat - Index) in Thu Hanoi capital and Ha Tinh province reached dangerous levels (41-54), people are prone to heatstroke, heat exhaustion; Heat stroke can occur with prolonged exposure to heat or physical activity.
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| The heat index in Ha Tinh reached dangerous levels. (Source: BHT) |
In addition, the heat also caused the heat index in some provinces and cities to reach a particularly cautious level (32-41) including: Quang Ninh province, Da Nang city, Quy Nhon city (Binh Dinh), Thanh Ho Chi Minh City and Phu Quoc City (Kien Giang). At this temperature, people are likely to experience heat cramps or heat exhaustion when exposed to the heat outdoors or prolonged physical activity.
The heat index is classified into 5 levels: below 27 is safe, 27-32 is cautious, 32-41 is extremely cautious, 41-54 is dangerous, above 54 is extremely dangerous.
On August 19, the maximum UV index in cities across the country was very high, with the exception of Nha Trang city (Khanh Hoa) which reached a high level.
Specifically, during the period from 11 a.m. to 1 p.m. on August 19, cities with a high UV index of high risk of harm include: Ha Long city (Quang Ninh) at 8.7, Hai Phong city at 8.7. is 9.3, Hanoi capital is 86, Hue city (Thua Thien - Hue) is 7.7, Da Nang city is 8.1, Hoi An city (Quang Nam) is 8.7, Ho Chi Minh City is 9.7, city Can Tho is 9.4, Ca Mau city (Ca Mau) is 9.4.
It is forecasted that from December 20-22, all cities have a potential maximum UV index with a high to very high risk of harm; Hue city alone (August 20) reached the average level...
The UV index scale is regulated, from 3-5 is average, from 6-7 is high, from 8-10 is very high. . At very high levels, UV rays can cause skin burns with continuous direct exposure for 25 minutes. An index of 11 or higher is extremely high, very dangerous, causing the risk of skin damage, eye burns if exposed to the sun for about 15 minutes if not protected.
To prevent the harmful effects of ultraviolet rays and prevent heat shock, people when working outdoors in the sun need to equip sun protection equipment such as: workwear, hats, glasses, etc.; Always make sure you have enough water to drink.
(Source: VNA)
