Shanghai's worsening smog blamed on industry, vehicles

Shanghai's worsening smog blamed on industry, vehicles

CHINA - Industrial enterprises, vehicles and sources from outside Shanghai are the cause of 80 per cent of the city's air pollution, the local environment monitoring centre said.

Based on samples collected over the past two years, the environmental watchdog found that emissions from industrial plants in Shanghai generated 32.9 per cent of the city's air-borne pollutants, and those from motor vehicles, ships and planes accounted for 25.8 per cent of the pollutants, according to figures released on Monday.

Dust, cooking and the agricultural sector generated 19.8 per cent of air pollutants. The remaining 21.5 per cent came from outside Shanghai.

The centre will announce the final research results for 2012 to 2014 at the end of this year, as required by the Ministry of Environmental Protection.

A similar research result for the third quarter of last year, unveiled by the Guangzhou environment monitoring centre earlier this year, indicates that emissions of industry and transportation contribute to 56.2 per cent of the air pollutants in the southern city, close to Shanghai's 58.7 per cent.

Fu Qingyan, chief engineer at the Shanghai centre, said the final result will be somewhat different because the "main pollution sources change throughout the year".

"We started collecting samples and data from 2009. But the research is still in its primary stage compared with developed countries," she said.

"We must do thorough research on each of the 150 kinds of pollutants."

Hu Ming, one of Fu's colleagues, said a more detailed classification of pollution sources should cover "different industries, automobiles, and even different ways of cooking".

Hu said all these efforts are necessary "to give the findings more practicable reference values for the making and implementation of pollution control measures".

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