Air quality index in Hanoi, HCM City exceeds safe limit for times

Alarming pollution readings were recorded in the capital of Hanoi and Ho Chi Minh City in the previous year, heard a conference jointly held by the Green Innovation and Development Centre (GreenID) and the Vietnam Live and Learn Centre for Environment and Community in Hanoi on January 30.Research from the GreenID showed that Air Quality Index, calculated based on the PM2.5 annual mean concentration, in Vietnam’s two largest cities exceeded the safe limit set by the World Health Organisation (WHO) many times. Especially, air pollution was rapidly deteriorating at the end of the year as low temperature resulted in slow distribution of dust and pollutants.Analysis in November and December 2017 stated that the air pollution in Hanoi was sourced from heavy industries like steel works, cement factories and coal power plants in Quang Ninh province. Meanwhile, smog blanked most parts of the southern hub of HCM City due to pollution from transportation, power plants and industrial parks in the city.Nguyen Thi Anh Thu, a representative from the GreenID, said that last year, Hanoi had 257 days and HCM City had 222 days when the Air Quality Index exceeded the safe limit set by the WHO. Statistics from the US Embassy revealed that the atmospheric quality in the two cities was much lower than India’s New Delhi and Mumbai. However, the pollution levels in Hanoi and HCM City are almost equal to that in China’s smog-prone capital, Beijing.Alisa from US Embassy in Hanoi said that labourers have the right to know… [Read full story]


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