Login
World Air Quality
Community
Products
Solutions
Air quality data anywhere you are
Air insights
World air quality
Share
Places
Fires
Heatmap
Wind
World AQI Ranking
03:22, Jan 24
#
MAJOR CITY
US AQI
1
Kolkata , India
273
2
Ulaanbaatar , Mongolia
270
3
Delhi , India
260
4
Shenyang , China
214
5
Dhaka , Bangladesh
213
6
Hanoi , Vietnam
199
7
Chengdu , China
194
SEE FULL RANKING
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
0
US AQI
Daily forecast
°
Humidity
0
%
Wind
0
mp/h
Pressure
0
mb
SEE DETAIL
,
Units
°C
°F
km/h
mp/h
US AQI
CN AQI
Most polluted cities among major cities in the world
