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Air monitors
Fires
Air quality
Wind
World AQI Ranking
02:40, May 18
#
MAJOR CITY
US AQI
1
Dubai , United Arab Emirates
399
2
Wuhan , China
171
3
Santiago , Chile
165
4
Mumbai , India
157
5
Delhi , India
155
6
Tehran , Iran
140
7
Karachi , Pakistan
139
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
