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World AQI Ranking
09:39, May 24
#
MAJOR CITY
US AQI
1
Tehran , Iran
326
2
Riyadh , Saudi Arabia
176
3
Lima , Peru
143
4
Chengdu , China
137
5
Busan , South Korea
112
6
Dubai , United Arab Emirates
111
7
Delhi , India
107
SEE FULL RANKING
Most polluted cities among major cities in the world
