The sky of Ho Chi Minh City had a dull gray color with a thick layer of gloomy mist as air pollution worsened on Thursday morning, according to experts. Many buildings and skyscrapers were covered by the leaden mist around 9:00 am and 10:00 am as observed by Tuoi Tre (Youth) newspaper. The foggy, murky weather often occurs in the southern region in the year-end season, the experts said. This image shows the gloomy sky of the eastern area of Ho Chi Minh City on December 1, 2022. Photo: Le Phan / Tuoi Tre The Ho Chi Minh City Department of Natural Resources and Environment called this phenomenon photochemical smog, a term used to describe a form of air pollution that occurs in the troposphere and is caused by sunlight acting on emissions. Compounds created from this procedure are harmful to human health and reduce visibility. This image shows the gloomy sky in Phu Nhuan District, Ho Chi Minh City on December 1, 2022. Photo: Quang Dinh / Tuoi Tre … [Read more...] about Ho Chi Minh City’s sky turns gray due to air pollution