From October 28 to November 1 , 2019, there will be a large-scale sandstorm weather process affecting parts of the north of the Yangtze River in China, such as Inner Mongolia, North China, Huanghuai, Jianghuai and other places . This dust started from Mongolia and the western of the Inner Mongolia, and moved to the south and the east driven by the cold air process. the dust stayed in central China for 5 days.