Hanoi has a very high harmful UV index

According to the National Center for Hydro-Meteorological Forecasting, on May 18, provinces and cities in the Northern region had moderate to very high maximum ultraviolet (UV) rays. The provinces and cities in the Central and Southern regions have extremely high to very high harmful ultraviolet (UV) rays.

According to the UV index scale, the level from 3-5 is average, from 6-7 is high, from 8-10 is very high, above 10.5 is especially high, very dangerous.

Specifically, the maximum harmful UV index is average to very high from 11 am to 13 pm in the following cities: Hai Phong is 4.5, Ha Long city (Quang Ninh province) is 6.8; Hanoi capital reached 9.1; Hue city (Thua Thien-Hue province) reached 6.4 and Hoi An city (Quang Nam province) reached 9; Da Nang city is 8.1…

The UV index in Ho Chi Minh City reached 6.6; Can Tho city is 8.1 and Ca Mau is 7.7 with high to very high risk of harm lasting from 10 to 13 hours.

It is forecasted that from May 19 to 21, most provinces and cities across the country have the maximum UV index at a very high risk of harm at 8-10. On May 21, the maximum UV index in the Northern provinces and cities decreased to the average harmful level (level 2-4), while the other areas The peak ultraviolet remains at a very high risk of harm at 8-10.

Scientists believe that sunburn can change the distribution and function of white blood cells 24 hours after the skin is exposed to the sun. This condition, if repeated for a long time, will harm the human immune system.

Experts recommend that you limit going outdoors when the sun is hot, and try to avoid the sun in the shade and shade trees. People going out, in the sun, it is mandatory to wear a wide-brimmed hat to ensure the width of the brim covers 2/3 of the face; use an umbrella or dark-tinted glasses, wear a mask, wear a jacket, and apply sunscreen even when it’s cloudy.

According to PV