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Air monitors
Fires
Air quality
Wind
World AQI Ranking
21:12, May 24
#
MAJOR CITY
US AQI
1
Dubai , United Arab Emirates
454
2
Tehran , Iran
198
3
Busan , South Korea
180
4
Riyadh , Saudi Arabia
169
5
Delhi , India
162
6
Dhaka , Bangladesh
159
7
Chengdu , China
146
SEE FULL RANKING
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
,
Units
°C
°F
km/h
mp/h
US AQI
CN AQI
mbar
Hg
Most polluted cities among major cities in the world
