The areas with serious air pollution in Ningxia include industrial parks, urban centers and places with traffic congestion. Ningxia is a provincial-level administrative region in China, located in the western region of China. Ningxia's air energy gathering areas generally refer to areas with serious air pollution. The main causes of air pollution include industrial emissions, traffic exhaust, agricultural activities, etc. Specifically, areas with serious air pollution in Ningxia include industrial parks, urban central areas and places with traffic congestion.