Air Quality
Air Monitors
Air Purifiers
Face Masks
For Business
News
Support
Sign in
Air Quality
Air Monitors
Air Purifiers
Face Masks
For Business
News
Support
World AQI Ranking
11:51, Apr 29
#
MAJOR CITY
US AQI
1
Delhi , India
221
2
Dubai , United Arab Emirates
179
3
Kathmandu , Nepal
165
4
Hanoi , Vietnam
152
5
Chiang Mai , Thailand
151
6
Kolkata , India
146
7
Cairo City , Egypt
144
SEE FULL RANKING
Become a citizen scientist
Get a monitor and contribute air quality data in your city.
Cart
×
Your cart is empty
Most polluted cities among major cities in the world