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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
183 | Wuhan, China | 46.3 | 94.1 | 65.5 | 56.9 | 41.5 | 33.7 | 27.9 | 18.4 | 27.7 | 24.5 | 50.8 | 48.7 | 66.7 | 45.9 | 46.7 | 36.5 | 44.4 | 46.9 | 51 |
1269 | Milano, Italy | 19 | 25.4 | 37.3 | 20.8 | 13.1 | 12.4 | 13.3 | 12.1 | 10.5 | 17.2 | 23.1 | 17 | 26.5 | 28.6 | 22.9 | 28.4 | 23.3 | 22.1 | 27.8 |
1769 | Bergamo, Italy | 14.8 | 24.3 | 30.3 | 20 | 11.4 | 9 | 10.7 | 9.5 | 8.3 | 9.2 | 13.9 | 11.7 | 19.6 | 17.6 | 17.6 | 17.8 | 18.5 | 18 | 26.4 |
4279 | Madrid, Spain | 9 | 8.5 | 9.8 | 7.2 | 7.1 | 7 | 9.4 | 10.5 | 9.1 | 9.9 | 8.6 | 9.2 | 12.1 | 9.5 | 9.4 | 9 | 9.2 | 10 | 9.9 |
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