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Air monitors
Fires
Air quality
Wind
World AQI Ranking
04:14, May 25
#
MAJOR CITY
US AQI
1
Dubai , United Arab Emirates
296
2
Riyadh , Saudi Arabia
265
3
Tehran , Iran
224
4
Delhi , India
162
5
Kathmandu , Nepal
153
6
Wuhan , China
149
7
Lima , Peru
147
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
