China's air pollution is shifting westward as steel and coal-to-chemical industries move towards the energy-rich regions in western, central, and southern China. This migration of heavy industries is leading to a geographical redistribution of environmental impact, with potential implications for air quality, public health, and ecosystems in these areas. The westward shift of industrial pollution underscores the need for strategic environmental policies and regulations to mitigate the impact on local and regional environments. This trend also highlights the interconnected nature of industrial activities and their corresponding environmental consequences, emphasizing the importance of holistic approaches to addressing pollution and its far-reaching effects.