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Air monitors
Fires
Air quality
Wind
World AQI Ranking
03:24, May 24
#
MAJOR CITY
US AQI
1
Riyadh , Saudi Arabia
220
2
Busan , South Korea
158
3
Lima , Peru
156
4
Delhi , India
156
5
Tehran , Iran
152
6
Kathmandu , Nepal
134
7
Dubai , United Arab Emirates
132
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
