Approximately 38 percent of all days for 337 cities in China were considered with excellent air quality in 2020. The air quality of China has been gradually improving after years of effort put into anti-air pollution measures.
Share of total days of 337 cities* in China based on level of pollution in 2020
*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.
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Ministry of Ecology and Environment (China). (May 26, 2021). Share of total days of 337 cities* in China based on level of pollution in 2020 [Graph]. In Statista. Retrieved May 17, 2022, from https://www.statista.com/statistics/1041859/china-average-air-quality-by-level-of-pollution/
Ministry of Ecology and Environment (China). "Share of total days of 337 cities* in China based on level of pollution in 2020." Chart. May 26, 2021. Statista. Accessed May 17, 2022. https://www.statista.com/statistics/1041859/china-average-air-quality-by-level-of-pollution/
Ministry of Ecology and Environment (China). (2021). Share of total days of 337 cities* in China based on level of pollution in 2020. Statista. Statista Inc.. Accessed: May 17, 2022. https://www.statista.com/statistics/1041859/china-average-air-quality-by-level-of-pollution/
Ministry of Ecology and Environment (China). "Share of Total Days of 337 Cities* in China Based on Level of Pollution in 2020." Statista, Statista Inc., 26 May 2021, https://www.statista.com/statistics/1041859/china-average-air-quality-by-level-of-pollution/
Ministry of Ecology and Environment (China), Share of total days of 337 cities* in China based on level of pollution in 2020 Statista, https://www.statista.com/statistics/1041859/china-average-air-quality-by-level-of-pollution/ (last visited May 17, 2022)
