While Air Quality Improves in Other Major Cities, These Two Cities Worse in 2018 2020年12月11日2019年01月05日 由 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? Did Mumbai’s Air Quality Improve in 2018? India 2018 Air Quality Report COVID-19 Lockdown Slashes PM2.5 in India’s 6 Biggest Cities Did India’s Air Improve in 2019