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Top 10 most polluted Chinese cities in May

By Lu Na
0 Comment(s)Print E-mail China.org.cn, June 28, 2013
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  Shijiazhuang



Shijiazhuang [Photo / Xinhua]

PM2.5 concentration/cubic meter:113 micrograms (maximum)

PM10 concentration/cubic meter:289 micrograms (maximum)

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