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Air monitors
Fires
Air quality
Wind
World AQI Ranking
02:18, May 17
#
MAJOR CITY
US AQI
1
Tehran , Iran
197
2
Santiago , Chile
159
3
Wuhan , China
146
4
Shanghai , China
146
5
Kathmandu , Nepal
143
6
Ulaanbaatar , Mongolia
141
7
Lahore , Pakistan
141
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
