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English >> China Society

Mobile app tells you Beijing's environment (11)

（）  10:24, June 06, 2013  

Combined photo shows the API of Tiananmen Square is 32 at 5 p.m. on March 24, 2013, which indicates the air quality is excellent. The photo at bottom shows the API of Tiananmen Square is 256 at noon on April 20, 2013, meaning the air quality is polluted. (Photo/Xinhua)

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（Editor：WangXin、Gao Yinan）

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