* According to source, these are cities at or above prefecture level (APL cities) including municipality, cities or regions at prefecture level, autonomous prefectures and league.
** Concentration of Carbon monoxide was expressed in milligram per cubic meter.
Citation formats
Average quality of air in China 2024, by air pollutants
Over the last decade, China has been trying to tackle worsening air quality from urbanization and industrialization. In 2024, the average concentration of ozone was around *** micrograms per cubic meter in *** cities in China.
Environmental degradation
Becoming the global manufacturing hub of goods brought not only rapid economic development to China, but also deteriorating air quality in cities across the country. Among other types of environmental issues, air pollution was the most concerning issue for almost half of Chinese survey respondents. Since 2001, carbon dioxide emissions in China have tripled to over ** gigatons in 2023, with emissions increasing quickly again after dipping in 2016.Â
Environmental protection
The Chinese government saw environmental degradation primarily as a public health issue for Chinese citizens, and therefore started contributing more and more resources to protecting the environment. In 2024, public expenditure on energy conservation and environmental protection in China had amounted to nearly *** billion yuan, almost double the amount of ten years ago. Citizens have also begun to change their habits due to climate change. For example, around half of Chinese citizens have changed their commuting and water use habits to help fight climate change.
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Ministry of Ecology and Environment (China). (June 4, 2025). Annual average of concentration of air pollutants of 339 cities* in China in 2024 (in micrograms per cubic meter) [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 21, 2026, from /statistics/1042131/china-average-concentration-of-air-pollutants/
Ministry of Ecology and Environment (China). "Annual average of concentration of air pollutants of 339 cities* in China in 2024 (in micrograms per cubic meter)." Chart. June 4, 2025. ÌÇÐÄÆÆ½â°æ. Accessed July 21, 2026. /statistics/1042131/china-average-concentration-of-air-pollutants/
Ministry of Ecology and Environment (China). (2025). Annual average of concentration of air pollutants of 339 cities* in China in 2024 (in micrograms per cubic meter). ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 21, 2026. /statistics/1042131/china-average-concentration-of-air-pollutants/
Ministry of Ecology and Environment (China). "Annual Average of Concentration of Air Pollutants of 339 Cities* in China in 2024 (in Micrograms per Cubic Meter)." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 4 Jun 2025, /statistics/1042131/china-average-concentration-of-air-pollutants/
Ministry of Ecology and Environment (China), Annual average of concentration of air pollutants of 339 cities* in China in 2024 (in micrograms per cubic meter) ÌÇÐÄÆÆ½â°æ, /statistics/1042131/china-average-concentration-of-air-pollutants/ (last visited July 21, 2026)
Annual average of concentration of air pollutants of 339 cities* in China in 2024 (in micrograms per cubic meter) [Graph], Ministry of Ecology and Environment (China), June 4, 2025. [Online]. Available: /statistics/1042131/china-average-concentration-of-air-pollutants/