Approximately 25.7 percent of all days for 338 cities in China were considered with excellent air quality in 2018. The air quality of China has been gradually improving after years of effort put into anti-air pollution measures.
Share of total days of 338 cities* in China based on level of pollution in 2018
*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 29, 2019). Share of total days of 338 cities* in China based on level of pollution in 2018 [Graph]. In Statista. Retrieved May 31, 2020, 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 338 cities* in China based on level of pollution in 2018 ." Chart. May 29, 2019. Statista. Accessed May 31, 2020. https://www.statista.com/statistics/1041859/china-average-air-quality-by-level-of-pollution/
Ministry of Ecology and Environment (China). (2019). Share of total days of 338 cities* in China based on level of pollution in 2018 . Statista. Statista Inc.. Accessed: May 31, 2020. 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 338 Cities* in China Based on Level of Pollution in 2018 ." Statista, Statista Inc., 29 May 2019, 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 338 cities* in China based on level of pollution in 2018 Statista, https://www.statista.com/statistics/1041859/china-average-air-quality-by-level-of-pollution/ (last visited May 31, 2020)
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