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Air monitors
Fires
Air quality
Wind
World AQI Ranking
16:44, May 17
#
MAJOR CITY
US AQI
1
Delhi , India
171
2
Dubai , United Arab Emirates
169
3
Santiago , Chile
162
4
Mumbai , India
154
5
Tehran , Iran
146
6
Ulaanbaatar , Mongolia
141
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
