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Air Monitors
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Face Masks
For Business
News
Support
World AQI Ranking
04:32, Apr 19
#
MAJOR CITY
US AQI
1
Delhi , India
179
2
Kathmandu , Nepal
174
3
Chiang Mai , Thailand
166
4
Hanoi , Vietnam
157
5
Manama , Bahrain
152
6
Kolkata , India
149
7
Busan , South Korea
143
SEE FULL RANKING
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Most polluted cities among major cities in the world