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Air monitors
Fires
Air quality
Wind
World AQI Ranking
05:39, Jul 1
#
MAJOR CITY
US AQI
1
Johannesburg , South Africa
152
2
Dubai , United Arab Emirates
148
3
Tehran , Iran
144
4
Jakarta , Indonesia
141
5
Lima , Peru
125
6
Delhi , India
114
7
Lahore , Pakistan
113
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
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Most polluted cities among major cities in the world
