On January 4, the Central Meteorological Station continued to issue a red early warning of heavy fog. It is estimated that there will be heavy fog in central and southern Beijing, Tianjin, central and Southern Hebei, central and Eastern Henan, Shandong, Northern Anhui, Jiangsu, southwest Shanxi and other places from August 4 to August 5. In some areas, there will be very strong fog with visibility less than 50m.
In changhongqiao District of Beijing, buildings are looming in the fog.