China's top meteorological authority forecast medium to severe smog in the country's northern regions including Beijing and Tianjin as well as the neighboring Hebei Province on Sunday.
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The National Meteorological Center (NMC) said the smog, which has been in the north since Saturday, is expected to last on Sunday.
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Meanwhile, smoggy weather will also affect the country's eastern province of Jiangsu as well as the south western province of Sichuan on Sunday, according to the NMC forecast.
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The NMC has issued a yellow alert for the smog, representing the third highest warning level among four grades in weather alert.
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However, this round of smog will be short-lived. The NMC said a strong cold front will start dispersing the smog on Monday.Â