Scientists warn about air pollution caused by fine dustVietNamNet Bridge - Fine dust, called the ‘quiet human killer’, can spread thousands of kilometers and cause environmental harm. Fine dust, called the ‘quiet human killer’, can spread thousands of kilometers and cause environmental harm. The factories and equipment produce more emissions, including dust.The experts said that HCM City has 3.2 times more pollution than Hamburg.In the 1990s, WHO pointed out that fine dust is the most dangerous pollutant in the air. Experts from Germany at a workshop discussing environment monitoring capability held several days ago issued warnings about the danger from fine dust in HCM City.The expert said fine dust is generated from automobile and motorbike engines, and from wheel and brake pad abrasion.The industrialization process has led to the establishment of more and more factories, as well as more industrial equipment and vehicles on the road. Unlike other pollutants, there is no permitted level for fine dust, because it is always dangerous to humans in different concentrations.The particle of dust with the size of PM10µm can penetrate into the nose, while 2,5µm particle can reach the lung and nano PM (

Source: VietNamNet News July 18, 2016 02:37 UTC