December 1, 2022. As of December 5, 2022, according to the query Hefei epidemic official website shows: the north city of this city was lifted from closure on December 1, 2022, Hefei North City core area is located in the southern part of Changfeng County, Hefei City, the planning scope of the North Third Ring Highway to the north, east of Mengcheng North Road, south of Wuhu Avenue, west of the new Bengbu Road, 16 kilometers away from the center of Hefei City.