Air quality and pollution city ranking

Unhealthy for Sensitive Groups101-150
Very Unhealthy201-300
Major city US AQIFollowers 
1Santiago, Chile Santiago, Chile 178 91.3K
2Delhi, India Delhi, India 176 1.5M
3Dhaka, Bangladesh Dhaka, Bangladesh 170 210.4K
4Riyadh, Saudi Arabia Riyadh, Saudi Arabia 146 77.8K
5Kuwait City, Kuwait Kuwait City, Kuwait 144 61.6K
6Dubai, United Arab Emirates Dubai, United Arab Emirates 144 317.7K
7Kathmandu, Nepal Kathmandu, Nepal 131 101.8K
8Kolkata, India Kolkata, India 123 1.5M
9Sao Paulo, Brazil Sao Paulo, Brazil 122 79.4K
10Lahore, Pakistan Lahore, Pakistan 115 385.7K
11Lima, Peru Lima, Peru 103 40.1K
12Jakarta, Indonesia Jakarta, Indonesia 99 1.6M
13Milano, Italy Milano, Italy 95 234.3K
14Hanoi, Vietnam Hanoi, Vietnam 92 2.4M
15Tehran, Iran Tehran, Iran 92 579.9K
16Johannesburg, South Africa Johannesburg, South Africa 89 45.7K
17Beijing, China Beijing, China 89 3.7M
18Krasnoyarsk, Russia Krasnoyarsk, Russia 86 112.6K
19Wuhan, China Wuhan, China 84 247.9K
20Yangon, Myanmar Yangon, Myanmar 83 98.5K
21Shenyang, China Shenyang, China 82 44.9K
22Incheon, South Korea Incheon, South Korea 82 132.8K
23Chiang Mai, Thailand Chiang Mai, Thailand 79 5.9M
24Mumbai, India Mumbai, India 78 1.5M
25Seoul, South Korea Seoul, South Korea 76 4.2M
26Osaka, Japan Osaka, Japan 72 195.2K
27Tel Aviv-Yafo, Israel Tel Aviv-Yafo, Israel 71 74.2K
28Mexico City, Mexico Mexico City, Mexico 70 371.3K
29Shanghai, China Shanghai, China 70 2.1M
30Busan, South Korea Busan, South Korea 67 1.9M
31Tashkent, Uzbekistan Tashkent, Uzbekistan 63 44.1K
32Bangkok, Thailand Bangkok, Thailand 59 6.0M
33Sarajevo, Bosnia Herzegovina Sarajevo, Bosnia Herzegovina 57 97.4K
34Guangzhou, China Guangzhou, China 57 1.7M
35Kuala Lumpur, Malaysia Kuala Lumpur, Malaysia 56 499.5K
36Taipei, Taiwan Taipei, Taiwan 55 1.3M
37Sofia, Bulgaria Sofia, Bulgaria 53 101.1K
38Phnom Penh, Cambodia Phnom Penh, Cambodia 52 393.7K
39Kyoto, Japan Kyoto, Japan 50 67.7K
40Singapore, Singapore Singapore, Singapore 50 857.8K
41Chengdu, China Chengdu, China 50 1.7M
42Ulaanbaatar, Mongolia Ulaanbaatar, Mongolia 50 86.8K
43Hangzhou, China Hangzhou, China 49 192.0K
44Pristina, Kosovo Pristina, Kosovo 45 45.4K
45New York City, USA New York City, USA 43 2.0M
46Skopje, North Macedonia Skopje, North Macedonia 41 39.7K
47Belgrade, Serbia Belgrade, Serbia 41 277.2K
48Paris, France Paris, France 40 2.3M
49Shenzhen, China Shenzhen, China 39 219.4K
50Munich, Germany Munich, Germany 37 327.5K

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