Ho Chi Minh City’s sky turns gray due to air pollution
Thursday, December 01, 2022, 19:23 GMT+7
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.
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| 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.
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| This image shows the gloomy sky in Phu Nhuan District, Ho Chi Minh City on December 1, 2022. Photo: Quang Dinh / Tuoi Tre |
Monitoring results from November 14 to 20 showed that 42.9 percent of the total suspended particulate (TSP) values, all noise indicators, and 9.5 percent of the fine particulate matter (PM 2.5) indicators did not meet requirements.
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| This image shows the gloomy sky in Phu Nhuan District, Ho Chi Minh City on December 1, 2022. Photo: Quang Dinh / Tuoi Tre |
Meanwhile, Le Thi Xuan Lan, former deputy head of the southern hydro-meteorological station, who calls the phenomenon ‘dust-mixed smog,’ explained that as the rainy season has not ended yet, humidity remains high in Ho Chi Minh City.
“Suspended dust clings to water vapor, so we can see it more clearly,” Lan said.
“This is a sign of air pollution.”
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