Thanks to overnight wind which dispersed the week-long smog, Beijingers finally see crystal blue and sunny sky on this Sunday.
A large area of north China including Beijing and Tianjin are experiencing another round of heavy smog and air pollution that is expected to last for a week.
Students from Guangminglu Primary School in Shijiazhuang city of Hebei province practice some martial arts movements believed to be able to strengthen the body's resistance against smog, on Dec 11, 2013.
Vehicles move along a road during heavy smog in the city of Tianjin, North China, Dec 23, 2013.
Yellow alerts for fog in China's southern regions were issued on Monday by the country's central observatory, as continuous rainfall increased humidity.
According to statistics from China's Ministry of Environmental Protection, 104 citys of 20 provinces in China suffered from severe air pollution on Saturday, with cities in Pearl River Delta, and Beijing, Tianjin and Hebei province hit the hardest.
Air Quality Index (AQI), which measure PM2.5 particulates, topped 400 on Friday morning in Shanghai, meaning the city was "severely polluted"- the highest level on the air pollution scale - for the second time in a week.
All primary and middle schools and kindergarten classes in Nanjing, East China's Jiangsu province, were suspended as heavy smog choked the city on Dec 5.
Heavy smog has led to closed highways in northeast China on Saturday and Sunday, according to local authorities.
Municipalities and provinces of East and North China started seeing a new round of smog on Friday after days with no wind.
Beijing announced its bid for the 2022 Winter Olympics on Tuesday, hoping to become the first city to stage the Winter Games after playing host to the Summer.
A traffic police officer directs traffic amid heavy smog in Jinan, East China's Shandong province, Oct 29.
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