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Air quality
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World AQI Ranking
23:10, May 17
#
MAJOR CITY
US AQI
1
Dubai , United Arab Emirates
473
2
Santiago , Chile
176
3
Delhi , India
164
4
Wuhan , China
160
5
Johannesburg , South Africa
156
6
Mumbai , India
156
7
Tehran , Iran
152
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
