The Central Meteorological Observatory continued to issue a heavy fog yellow warning at 6:00 on April 13: It is expected that from day to night on the 13th, there will be heavy fog with visibility of less than 1 kilometer in the southwestern part of the Yellow Sea and the northern part of the East China Sea. In addition, from the morning of the 13th to the morning of the 13th, there was heavy fog in parts of southern Anhui, eastern Zhejiang, southern Hunan, and the eastern Sichuan Basin, with strong fog with visibility of less than 200 meters.

The Central Meteorological Observatory continued to issue a heavy fog yellow warning at 6:00 on April 13: It is expected that from day to night on the 13th, there will be heavy fog with visibility of less than 1 kilometer in the southwestern part of the Yellow Sea and the northern part of the East China Sea. In addition, from the morning of the 13th to the morning of the 13th, there was heavy fog in parts of southern Anhui, eastern Zhejiang, southern Hunan, and the eastern Sichuan Basin, with strong fog with visibility of less than 200 meters.