BEIJING - Smog continued on Wednesday in many parts of China, delaying flights and closing highways.
In the eastern province of Shandong, more than 120 expressway toll stations were temporarily shut down on Wednesday and ten flights at the airports in Qingdao and Jinan were delayed. The provincial meteorological station issued a yellow alert for the smog, which is forecast to continue until Thursday night.
Smog set in on Monday and persists in North and Central China, including Beijing. The National Meteorological Center (NMC) issued a yellow alert on Wednesday morning.
Beijing and Tianjin, as well as parts of Hebei and Shandong provinces expect "moderate" air pollution from Wednesday to Thursday morning, heavy in some places, according to the NMC forecast.
China's meteorological alerts are categorized as blue, yellow, orange and red as the severity ascends.
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