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Air monitors
Fires
Air quality
Wind
World AQI Ranking
03:31, May 24
#
MAJOR CITY
US AQI
1
Riyadh , Saudi Arabia
220
2
Lima , Peru
156
3
Delhi , India
156
4
Tehran , Iran
152
5
Beijing , China
134
6
Kathmandu , Nepal
123
7
Chengdu , China
117
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
