On December 19th at 06:00, the Central Meteorological Observatory continued to issue a yellow warning for heavy fog.

It is expected that on the morning of the 19th, there will be heavy fog in some areas of the central and southern parts of Beijing, western Tianjin, central and southern parts of Hebei, northern parts of Henan, northwest parts of Shandong, northern parts of Anhui, northern parts of Hubei, central parts of Chongqing, western parts of Guangxi, southern parts of Yunnan, etc. Among them, there will be dense fog with visibility less than 500 meters in some areas of southern Hebei, northern Henan, northern Anhui, central Chongqing, western Guangxi, and southern Yunnan, with locally dense fog with visibility less than 200 meters.