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Share of days failing to meet national air quality standard in China 2020-2021

Published by Statista Research Department, Dec 9, 2022
Approximately 5.2 percent of all days for 339 cities in China failed to meet the national air quality standard in 2021 in terms of PM2.5 index. The air quality of China has been gradually improving after years of effort put into air pollution measures.

Share of total days of 339 cities* in China not reaching the national air quality standard from 2020 to 2021

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Release date

May 2022

Region

China

Survey time period

2020 to 2021

Supplementary notes

*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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