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Air monitors
Fires
Air quality
Wind
World AQI Ranking
17:27, May 17
#
MAJOR CITY
US AQI
1
Dubai , United Arab Emirates
537
2
Riyadh , Saudi Arabia
245
3
Santiago , Chile
166
4
Delhi , India
156
5
Mumbai , India
154
6
Tehran , Iran
153
7
Beijing , China
149
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
