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Air monitors
Fires
Air quality
Wind
World AQI Ranking
12:41, May 23
#
MAJOR CITY
US AQI
1
Krasnoyarsk , Russia
184
2
Lima , Peru
155
3
Riyadh , Saudi Arabia
153
4
Chengdu , China
151
5
Busan , South Korea
148
6
Melbourne , Australia
135
7
Kolkata , India
122
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
