The air in Beijing, China is dirty, and a new report suggests it won’t be getting cleaner any time soon. Beijing residents received the grim news from the Beijing Municipal Research Institute of Environmental Protection regarding the city’s air pollution levels. Following studies done by the institute, researcher Pan Tao has estimated the return of safe air pollution levels in 2030. The World Health Organization has stated in the past that the concentration of PM2.5, particulate matter with a diameter of 2.5 micrometers or less per cubic meter, should not exceed 35 micrograms per cubic meter. In 2013, however, the level of PM2.5 in Beijing measured 89.5 micrograms per meter.
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