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Air monitors
Fires
Air quality
Wind
World AQI Ranking
22:15, May 25
#
MAJOR CITY
US AQI
1
Dubai , United Arab Emirates
187
2
Riyadh , Saudi Arabia
168
3
Delhi , India
168
4
Hanoi , Vietnam
154
5
Johannesburg , South Africa
151
6
Tehran , Iran
151
7
Lahore , Pakistan
144
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
