2017-2023
World's most polluted cities
The most polluted cities according to data aggregated from over 80,000 data points.
2023
World Air Quality Report
PM2.5 legend
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7185 |  Fairbanks, USA | 4.9 | 4.6 | 3.7 | 2.9 | 1.8 | 1.7 | 2.3 | 7.4 | 23.1 | 1.9 | 2.3 | 2.5 | 3.6 | 9.5 | 5.4 | 5 | 10.4 | 7.7 | 8.5 |
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