How do levels of industrial smog compare in developing nations with levels in developed nations?

Levels of industrial smog are generally higher in developing nations compared to developed nations due to factors such as less stringent environmental regulations, reliance on older, more polluting technologies, and rapid industrialization without adequate pollution control measures. In contrast, developed nations often have implemented stricter air quality standards and invested in cleaner technologies, resulting in lower levels of industrial smog. However, localized pollution incidents can still occur in both contexts, influenced by specific industrial practices and geographic factors. Overall, the disparity reflects differences in economic development, regulatory frameworks, and public health priorities.