Sandstorms in Lanzhou last for several days in August.

Three days. According to official website, who inquired about the news of the fair, the floating dust weather in Lanzhou was caused by the strong wind and cooling weather from west to east in Hexi on the afternoon of August 15, 2023. On August 16, a sandstorm raided Lanzhou. On the same day, the reporter learned from Lanzhou Central Meteorological Observatory that there were sandstorms in Wuwei and Minqin. This dusty weather has a wide range and a long duration. Lanzhou can only count on the rain between 2 o'clock on June 5438+07, which eased the dusty weather.