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Air monitors
Fires
Air quality
Wind
World AQI Ranking
02:58, May 29
#
MAJOR CITY
US AQI
1
Santiago , Chile
174
2
Delhi , India
162
3
Lahore , Pakistan
152
4
Johannesburg , South Africa
129
5
Kathmandu , Nepal
127
6
Dubai , United Arab Emirates
118
7
Kolkata , India
112
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
