Home » Clean Air Blog » Air Pollution » India 2018 Air Quality Report India 2018 Air Quality Report 2020/7/202019/1/12 作者 Thomas Talhelm 哇!此内容没有中文版。点击这里快去看英文版! 你知道这些吗? COVID-19 Lockdown Slashes PM2.5 in India’s 6 Biggest Cities Chennai Air Quality (AQI) and India Air Pollution While Air Quality Improves in Other Major Cities, These Two Cities Worse in 2018 2019年北京空气污染好转了吗?