2017-2023
2023
World Air Quality Report
0-5
Meets WHO guideline
5.1-10
Exceeds by 1 to 2 times
10.1-15
Exceeds by 2 to 3 times
15.1-25
Exceeds by 3 to 5 times
25.1-35
Exceeds by 5 to 7 times
35.1-50
Exceeds by 7 to 10 times
>50.1
Exceeds by over 10 times
Rank | City | 2023 | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
3 | Delhi, India | 102.1 | 171.8 | 114.3 | 77.4 | 71 | 67.4 | 42.9 | 35.3 | 34.8 | 39.7 | 106.3 | 255.1 | 210 | 92.6 | 96.4 | 84.1 | 98.6 | 113.5 | 108.2 |
24 | Dhaka, Bangladesh | 80.2 | 175.5 | 107 | 82.5 | 61.6 | 49.2 | 42.7 | 23.6 | 44.8 | 39 | 74.9 | 101.6 | 160.3 | 65.8 | 78.1 | 77.1 | 83.3 | 97.1 | 79.7 |
260 | Islamabad, Pakistan | 42.4 | 70.4 | 47.5 | 32.4 | 21.2 | 21.5 | 27.8 | 23.3 | 31.9 | 31.4 | 41.2 | 66.7 | 93.6 | 40.6 | 41.1 | 39 | 35.2 | 38.6 | 39.2 |
284 | Kathmandu, Nepal | 41 | 67.9 | 60.4 | 66 | 77 | 40.6 | 26.7 | 14 | 15.3 | 17.2 | 23.1 | 34.5 | 51 | 40.7 | 50.9 | 39.2 | 48 | 54.4 | 45.9 |
454 | Beijing, China | 34.1 | 32 | 53.9 | 58.6 | 41.4 | 30 | 19.4 | 18.2 | 21 | 27 | 35.9 | 30.1 | 43.2 | 29.8 | 34.4 | 37.5 | 42.1 | 50.9 | 58.8 |
982 | Ulaanbaatar, Mongolia | 22.5 | 74.4 | 52.3 | 21.8 | 11 | 5.2 | 4.7 | 5.7 | 3.3 | 4.4 | 11.9 | 30 | 47.5 | 30.6 | 33.8 | 46.6 | 62 | 58.5 | 66.5 |
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