Real estate tycoon measures PM2.5 in Shanghai metro

0 Comment(s)Print E-mail Chinanews.com, January 10, 2014

Pan Shiyi (C), a real estate tycoon, measures PM2.5 using a device in a metro train of Shanghai on Jan 9, 2014. Pan said the concentrations of PM2.5 in 14 spots selected from Shanghai metro were from 36 to 54 micrograms per cubic meter. [Photo: China News Service / Pan Suofei]
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