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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  Pljevlja, Montenegro | 40.1 | 89.7 | 86.4 | 40.8 | 28.4 | 14.8 | 11.5 | 11.9 | 11.6 | 10.6 | 21.2 | 52.3 | 93.1 | 34.5 | -- | -- | -- | -- | -- |
| 2 |  Torchiarolo, Italy | 38.1 | 14.1 | 83.6 | 59.6 | 10.3 | 13.9 | 11.9 | 128.7 | 13.5 | -- | -- | 13.4 | 35.5 | 10.8 | 12.3 | 12.6 | 13.8 | 17.2 | 19.9 |
| 3 |  Tuzla, Bosnia Herzegovina | 36.2 | 66.4 | 69 | 43.5 | 31.9 | 19.6 | 19.6 | 17.4 | 20.4 | 18.4 | 21 | 42.7 | 72.9 | 49.4 | 33.2 | 32.1 | 35.3 | 43.1 | -- |
| 4 | Zenica, Bosnia Herzegovina | 36.1 | 57.8 | 55.4 | 32.7 | 26.7 | 22.4 | 19.3 | 21.3 | 22.8 | 20.4 | 23.8 | 42.8 | 83.3 | 48.6 | 76.8 | 27.7 | 34.8 | -- | -- |
| 5 | Ceglie Messapica, Italy | 35.6 | 82.6 | 19.8 | 103.3 | 8.6 | 47.8 | 8 | 16 | 16.8 | -- | -- | 14.1 | 19.6 | 10.6 | 36.6 | 31.7 | 30.7 | 16.2 | 15.7 |
| 6 | Bijelo Polje, Montenegro | 34.5 | 72.3 | 71.5 | 37.9 | 31.9 | 14.8 | 9.9 | 11.7 | 11.8 | 11.1 | 22.7 | 47.4 | 64.6 | 39.6 | -- | -- | -- | -- | -- |
| 7 |  Strumica, North Macedonia | 31.6 | 65.3 | 55.6 | 24.1 | 17.3 | 10.6 | 9.8 | 11.7 | 11 | 12.6 | 16.1 | 43.7 | 103.3 | 22.2 | 18.8 | -- | -- | -- | -- |
| 8 |  Cacak, Serbia | 31.1 | 58 | 55.5 | 33.4 | 22.9 | 16.2 | 14.8 | 13.9 | 14.9 | 13.8 | 18.1 | 36.5 | 77.7 | 35.7 | 41.5 | 30.3 | -- | -- | -- |
| 9 | Tetovo, North Macedonia | 30.9 | 65.1 | 48.5 | 26.6 | 18.7 | 16.2 | 14.4 | 13.7 | 15 | 16.6 | 24 | 36.7 | 76.4 | 26.7 | 26.6 | 24.5 | -- | -- | -- |
| 10 | Vranje, Serbia | 30.8 | 50 | 50.2 | 34.7 | 23.6 | 14.2 | 15.4 | 16 | -- | -- | 24.1 | 26.4 | 53.6 | 32.5 | -- | -- | -- | -- | -- |
| 11 | Banja Luka, Bosnia Herzegovina | 30.1 | 53.6 | 47.1 | 25 | 21.9 | 18.3 | 14.2 | 13.3 | 16 | 16.1 | 15.1 | 36.2 | 84.5 | 37.1 | 26.4 | 25 | -- | -- | -- |
| 12 | Doboj, Bosnia Herzegovina | 29.9 | 49.9 | 57.6 | 29.3 | 21.9 | 19.7 | 21.2 | 20 | 22.9 | 21.3 | 17.8 | 16.9 | 50.5 | 40.8 | -- | -- | -- | -- | -- |
| 13 | Novi Grad, Bosnia Herzegovina | 29.2 | 53.6 | 69.9 | 40.1 | 29.3 | 20.7 | 27.7 | 6 | 15.5 | 12.5 | 11.8 | 9.1 | 18.5 | 45.5 | 46.6 | -- | -- | -- | -- |
| 14 | Bihac, Bosnia Herzegovina | 29.1 | 42 | 49.1 | 43.2 | 38.6 | 36.8 | 19.2 | 14.7 | 16.7 | 17.9 | 16.7 | 20 | 32.9 | 29.5 | 33 | -- | -- | -- | -- |
| 15 | Hanoi, Bosnia Herzegovina | 29 | 75.7 | 38.6 | 34.6 | 14.7 | 11.6 | 11.8 | 13.6 | 16.3 | 11.7 | 14.2 | 34.9 | 71.8 | -- | -- | -- | -- | -- | -- |
| 16 | Sokolac, Bosnia Herzegovina | 28.8 | 42.9 | 76.8 | 33.6 | 26.5 | 17.5 | 17.1 | 16.8 | 18.6 | 18 | 18.5 | 19.6 | 47.3 | 37.2 | 31.9 | -- | -- | -- | -- |
| 17 | Sarajevo, Bosnia Herzegovina | 28.6 | 59.3 | 43.8 | 24.8 | 15.3 | 11.2 | 13.7 | 15.2 | 16.4 | 13.9 | 14.5 | 37.2 | 78.7 | 32.4 | 29.7 | 42.5 | 34.1 | 38.4 | -- |
| 18 | Ilijas, Bosnia Herzegovina | 28.5 | 53.4 | 43.4 | 27.4 | 19.9 | 16.5 | 16.7 | 17.2 | 18.1 | 16 | 14.6 | 35.4 | 66.4 | 29.9 | 33.7 | -- | -- | -- | -- |
| 19 | Gornji Milanovac, Serbia | 28.5 | 57.8 | 59.8 | 32 | 25.3 | 12.8 | 10.9 | 10.9 | 11.3 | 11.7 | 16.1 | 22.8 | 60.9 | 39.5 | 32.5 | -- | -- | -- | -- |
| 20 | Uzice, Serbia | 28.1 | 64.1 | 38.5 | 31.6 | 12.4 | 17.9 | 15.9 | 14.3 | 15.1 | 15.9 | 20.9 | 29.6 | 57.5 | 40 | 32.1 | 31.7 | -- | -- | -- |
| 21 | Valjevo, Serbia | 28 | 52 | 50.6 | 35.8 | 30.3 | 17.8 | 15.9 | 14.4 | 15.3 | 14.6 | 16.9 | 29.6 | 52.3 | 31.8 | 34.7 | 41.5 | 37.9 | -- | -- |
| 22 | Nis, Serbia | 26.7 | 46.7 | 56.7 | 29.8 | 22.7 | 13.5 | 12.8 | 12.6 | 12.8 | 12.8 | 14.6 | 27.4 | 59.4 | 31.9 | 29 | 32 | 32.4 | -- | -- |
| 23 | Lukavica, Bosnia Herzegovina | 26.5 | 60.8 | 45.6 | 30 | 19.2 | 13.9 | 14.4 | 16.5 | 16.3 | 12.5 | 11.4 | 26.4 | 52.2 | 34.6 | 34.1 | -- | -- | -- | -- |
| 24 | Gjorce Petro, North Macedonia | 26.5 | 48.6 | 44.2 | 27.7 | 17.2 | 13.9 | 13.7 | 13 | 13 | 16 | 22.2 | 27.8 | 62.9 | 25.9 | 27 | -- | -- | -- | -- |
| 25 | Kosjeric, Serbia | 26.4 | 44.6 | 44.4 | 32 | 22.9 | 14.6 | 12.6 | 11.9 | 12.2 | 12.8 | 17.7 | 31.8 | 61.3 | 28.6 | 35.5 | 36.7 | 28.8 | -- | -- |
| 26 | Laktasi, Bosnia Herzegovina | 26.2 | 44.8 | 43.9 | 25.6 | 20.2 | 18.1 | 14.1 | 12.2 | 15.3 | 16.4 | 15.5 | 27.3 | 70.3 | 34.6 | 42.8 | -- | -- | -- | -- |
| 27 |  Krasnoyarsk, Russia | 26 | 29.7 | 90.3 | 23.1 | 11.2 | 11.3 | 13.8 | 24.5 | 22.7 | 25.6 | 22.6 | 25.1 | 16.5 | 51.7 | 49.8 | 14.7 | 17.7 | 23.1 | 16.4 |
| 28 | Gostivar, North Macedonia | 25.8 | 64.4 | 41 | 21.3 | 17.4 | 12.2 | 9.9 | 13.2 | 12.8 | 15.4 | 17.4 | 28.1 | 51.7 | 26 | 21.7 | -- | -- | -- | -- |
| 29 | Veliki Crljeni, Serbia | 25.1 | 40.8 | 46.1 | 28.4 | 24.9 | 16.2 | 16.5 | 17.3 | 16.4 | 15.7 | 16.8 | 21.1 | 44.8 | -- | -- | -- | -- | -- | -- |
| 30 | Kozarska Dubica, Bosnia Herzegovina | 25 | 46.4 | 34.1 | 28.9 | 19.7 | 16.6 | -- | 8.1 | 14.7 | 14.4 | 13.8 | 18 | 58.3 | 26.1 | 26.2 | -- | -- | -- | -- |
| 31 | Padova, Italy | 24.9 | 36.1 | 63.2 | 30.2 | 17.7 | 13 | 14.9 | 11.3 | 13.6 | 15.9 | 19.1 | 25 | 39.7 | 23.5 | 21.8 | 28.5 | -- | -- | -- |
| 32 | Skopje, North Macedonia | 24.6 | 44.7 | 47.2 | 25.6 | 16.1 | 12.8 | 10.5 | 11 | 13.2 | 14.3 | 21.4 | 24.9 | 54.5 | 26.6 | 27.7 | 30.6 | 32.4 | -- | -- |
| 33 | Lazarevac, Serbia | 24.4 | 50.2 | 53.4 | 29.5 | 29.7 | 13.1 | 9.6 | 8.4 | 9.6 | 8.5 | 12.4 | 24.7 | 48 | 32.2 | 24.6 | -- | -- | -- | -- |
| 34 | Gradiska, Bosnia Herzegovina | 24.3 | 45.8 | 52.3 | 30.7 | 21.1 | 17 | 13.9 | 12.4 | 15.9 | 16.1 | 14.3 | 17.5 | 45.1 | 34.6 | 34.9 | -- | -- | -- | -- |
| 35 | Vogosca, Bosnia Herzegovina | 24.1 | 63.8 | 49.8 | 25.6 | 15.4 | 11.1 | 11.4 | 12.7 | 13.4 | 10.8 | 13.6 | 32.6 | 61.2 | -- | -- | -- | -- | -- | -- |
| 36 |  Santana de Mures, Romania | 24 | 36.9 | 41.6 | 27.1 | 16.4 | 12.6 | 10.9 | 12.4 | 13.9 | 14.1 | 22.4 | 22.2 | 52.7 | 29.7 | 28.3 | -- | -- | -- | -- |
| 37 | Kičevo, North Macedonia | 23.6 | 53.4 | 50.9 | 29.2 | 22.3 | 13.4 | 8.7 | 11.6 | 9.8 | 11.3 | 16.2 | 20.4 | 68 | 28.9 | 25 | -- | -- | -- | -- |
| 38 | Pirot, Serbia | 23.5 | 33.3 | 48.2 | 30.4 | 24.5 | 15.6 | 16.3 | 12.1 | 10.9 | 12.3 | 15.7 | 24.5 | 52.3 | 51.7 | -- | -- | -- | -- | -- |
| 39 | Kavadarci, North Macedonia | 23.4 | 40.9 | 45.1 | 23.4 | 15.2 | 9.8 | 9.8 | 11.3 | 10.7 | 12.4 | 14.1 | 27.3 | 56.7 | 15.4 | 16.1 | -- | -- | -- | -- |
| 40 | Gevgelija, North Macedonia | 23.3 | 43.6 | 43.1 | 31.6 | 20.3 | 15.5 | 12.7 | 12.9 | 11.8 | 10.6 | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 41 | Zemun, Serbia | 23.1 | 34.4 | 53.9 | 27.5 | 20.3 | 14.1 | 14 | 13.6 | 14.9 | 15.2 | 18.1 | 21.4 | 49.5 | 27.7 | 26.4 | -- | -- | -- | -- |
| 42 | Veles, North Macedonia | 22.9 | 42.7 | 42.9 | 25 | 23.5 | 10.3 | 10.3 | 11.4 | 10.4 | 11 | 13.1 | 21.2 | 53.3 | 16.8 | 17.2 | -- | -- | -- | -- |
| 43 | Jajce, Bosnia Herzegovina | 22.5 | 40.6 | 40.6 | 25.2 | 20.7 | 15.6 | 13.7 | 12.9 | 16.3 | 15 | 11.4 | 19.9 | 43.8 | 33.5 | 29.7 | -- | -- | -- | -- |
| 44 | Gossolengo, Italy | 22.5 | 40.8 | 40.5 | 25.3 | 17 | 16 | 16.7 | 15.3 | 14.5 | 16.6 | 18.2 | 25.1 | 38.5 | 24 | 25.7 | -- | -- | -- | -- |
| 45 | Novi Beograd, Serbia | 22.2 | 35.8 | 37.9 | 21.9 | 19.7 | 15.2 | 14.6 | 14.1 | 15.4 | 15.3 | 17.3 | 18.7 | 41.3 | 22.4 | 19 | -- | -- | -- | -- |
| 46 | Santa Cristina e Bissone, Italy | 22.1 | 32.4 | 35.8 | 25.4 | 17.8 | 15.6 | 16.6 | 14.2 | 14.7 | 18.9 | 17.7 | 24.1 | 33.6 | -- | -- | -- | -- | -- | -- |
| 47 | Podgorica, Montenegro | 22.1 | 46.6 | 43.8 | 22 | 10.5 | 8.4 | 10.2 | 11.8 | 11.7 | 10.9 | 12 | 20.3 | 54.1 | 11.8 | 7.5 | -- | -- | -- | -- |
| 48 | Vozdovac, Serbia | 22 | 28.1 | 42.2 | 27.1 | 17.9 | 13.8 | 15.6 | 15.2 | 16.5 | 17.9 | 17.3 | 17.3 | 36.6 | 46.1 | -- | -- | -- | -- | -- |
| 49 |  Kutina, Croatia | 21.9 | 31.7 | 44 | 23.6 | 15.4 | 13 | 10.2 | 8.2 | 11.6 | 14.3 | 15.7 | 27 | 46.8 | 19.9 | -- | -- | -- | -- | -- |
| 50 |  Ilion, Greece | 21.9 | 36.1 | 37.6 | 21.4 | 16.3 | 17.3 | 17.8 | 20.1 | 19.4 | 15.8 | 15.2 | 12.1 | 31.6 | 22 | 22.2 | -- | -- | -- | -- |
1-50 of 1902
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