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Air monitors
Fires
Air quality
Wind
World AQI Ranking
03:52, May 24
#
MAJOR CITY
US AQI
1
Riyadh , Saudi Arabia
220
2
Tehran , Iran
160
3
Lima , Peru
155
4
Krasnoyarsk , Russia
132
5
Kathmandu , Nepal
123
6
Chengdu , China
122
7
Mumbai , India
114
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
