Yellow alert for air pollution issued in Beijing
china.org.cn / chinagate.cn, February 21, 2014 Adjust font size:
Young women wearing facial masks walk in smog-shrouded Beijing, capital of China, Feb. 20, 2014. Beijing on Thursday issued a yellow alert for air pollution in the next three days. The city has a four-tier alert system, using blue, yellow, orange and red to indicate the air pollution level in order of increasing severity. [Xinhua] |