In 2024, the average concentration of ozone decreased by around nice percent in Shanghai, China. The air quality of China has been gradually improving after years of effort put into anti-air pollution measures.
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Ministry of Ecology and Environment (China). (June 3, 2025). Annual change of concentration of air pollutants of Shanghai, China in 2021 and 2024 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 31, 2026, from /statistics/1042223/china-average-concentration-change-of-air-pollutants-in-shanghai/
Ministry of Ecology and Environment (China). "Annual change of concentration of air pollutants of Shanghai, China in 2021 and 2024." Chart. June 3, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 31, 2026. /statistics/1042223/china-average-concentration-change-of-air-pollutants-in-shanghai/
Ministry of Ecology and Environment (China). (2025). Annual change of concentration of air pollutants of Shanghai, China in 2021 and 2024. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 31, 2026. /statistics/1042223/china-average-concentration-change-of-air-pollutants-in-shanghai/
Ministry of Ecology and Environment (China). "Annual Change of Concentration of Air Pollutants of Shanghai, China in 2021 and 2024." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 3 Jun 2025, /statistics/1042223/china-average-concentration-change-of-air-pollutants-in-shanghai/
Ministry of Ecology and Environment (China), Annual change of concentration of air pollutants of Shanghai, China in 2021 and 2024 ÌÇÐÄÆƽâ°æ, /statistics/1042223/china-average-concentration-change-of-air-pollutants-in-shanghai/ (last visited July 31, 2026)
Annual change of concentration of air pollutants of Shanghai, China in 2021 and 2024 [Graph], Ministry of Ecology and Environment (China), June 3, 2025. [Online]. Available: /statistics/1042223/china-average-concentration-change-of-air-pollutants-in-shanghai/
