China News Service, October 30. According to the website of the Central Meteorological Observatory, the Central Meteorological Observatory will continue to issue a yellow fog warning at 06:00 on October 30:

  From the morning to the morning of October 30, parts of western Liaoning, southeastern Beijing, Tianjin, eastern and central Hebei, northwestern mountains, northern and southern Henan, central Jiangsu, central Hubei, northern Hunan, southeastern Sichuan Basin, etc. There is heavy fog, including western Liaoning, southwestern Tianjin, southeastern Hebei, northwestern mountains, southern Henan, central Hubei, and southeastern Sichuan Basin. There are strong dense fog with visibility less than 200 meters in some places.

Image source: Central Meteorological Observatory website