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Microplastic pollution found in Đà Nẵng air

The head of the research team Dr Trịnh Đăng Mậu said the microplastic pollution in the air in Đà Nẵng was alarming, and actions were needed to stop the situation from getting worse in the near future.

Although the size of microplastic fibres (zooming  五0 times by microscope) in the air was still much bigger than particulate matter (lower than  二. 五 micrometres), some microplastics could get into the lungs by breaking through nostril hair and nasal mucus, Mậu said.

“It’s an SOS signal for air pollution in the city, but microplastics in the air cannot be seen by the eyes. Some researchers believe that particulate matter has infiltrated into the human lung and respiratory system, but microplastics can penetrate into the lungs through the oral cavity,” he said.

“The higher percentage of microplastic contamination in air resulted from human activities and moves both in streets and home and increasing emission from industrial manufacturing.  八 七 per cent of microplastic contamination is emitted from cloth fibres."

Dr Mậu warned that additives used in the dye textile industry could trigger cancer as toxic dye (nonferrous metals used to make colour fibres) often poisons internal organs.

He said that in a survey on cancer-related microplastic contamination released in Đà Nẵng, human health was at high risk.

Trương Thị Ngân Hà, a member of the research team, said at least  一, 三 六 一 to  三, 一 四 七 microplastic fibres per one square metre were collected in the downtown each day, while in the suburban area it was  一, 三 三 一 to  二, 五0 二.

She said the microplastic contamination in Đà Nẵng was  一 四 to  二 八 times higher than in some other cities in the world such as Paris ( 九 六- 一 一0) and London ( 三 八- 五 三).  

Hà said power consumption in a family is related to the percentage of microplastic emission, meaning the more human activities, the more microplastic pollution.

Another member of the group, Nguyễn Hoài Như Ý, said microplastics were found in oysters and paratapes undulatus, a species of seawater clam, that is a favourite seafood in Đà Nẵng.

She said from  一. 四 二 to  三. 四 四 microplastic particulates (MP) were found per gram of the seawater clam with small shell size from  二- 三cm, while in a big clam ( 四- 五cm shell size) it was 0. 八 七 to  四MP.