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Posted on 17 June 2014. Tags: Area, BeijingTianjinHebei, density, drops, PM2.5

PM2.5 density drops in Beijing-Tianjin-Hebei area Density of PM2.5, or particles smaller than 2.5 micrometers in diameter, has dropped 7.6 percent from previous year in Beijing-Tianjing-Hebei region in the first five months of 2014, China’s Environment Minister Zhou Shengxian said Thursday. Density of …

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