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Sun,Feb 23,2014
English>>China Society

Beijing upgrades haze alert from yellow to orange

(Xinhua)    10:34, February 23, 2014
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Cars move on the Chang'an Avenue in Beijing, capital of China, Feb. 21, 2014. Beijing upgraded the haze alert from yellow to orange on Friday. The city has a four-tier alert system, using blue, yellow, orange and red in order to indicate the air pollution level of increasing severity. (Xinhua)


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(Editor:intern1、Hongyu)

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