2017-2024
World's most polluted cities
The most polluted cities according to data aggregated from over 80,000 data points.
2024
World Air Quality Report
2024
World Air Quality Report
PM2.5 legend
0-5Meets WHO guideline
5.1-10Exceeds by 1 to 2 times
10.1-15Exceeds by 2 to 3 times
15.1-25Exceeds by 3 to 5 times
25-35Exceeds by 5 to 7 times
35.1-50Exceeds by 7 to 10 times
>50.1Exceeds by over 10 times
| Rank | City | 2024 | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 51 |  Dudince, Slovakia | 21.7 | 36.9 | 31.2 | 25.7 | 13.6 | 9.4 | 10 | 11.1 | 12 | 11.9 | 21 | 34.5 | 43.5 | 20 | -- | -- | -- | -- | -- | -- |
| 52 |  Skopje, North Macedonia | 21.6 | 40.7 | 39.5 | 16.7 | 11.5 | 9.8 | 11.4 | 11.6 | 13.3 | 12.8 | 19.6 | 39.2 | 34.2 | 24.6 | 26.6 | 27.7 | 30.6 | 32.4 | -- | -- |
| 53 |  Rakovica, Serbia | 21.6 | 33.8 | 28.2 | 20.7 | 13.6 | 10.8 | 13.1 | 13 | 13.3 | 14.7 | 19.6 | 38.7 | 40.1 | 31.9 | -- | -- | -- | -- | -- | -- |
| 54 |  Orzesze, Poland | 21.5 | 23.4 | 16.1 | 19 | 16.3 | 3.8 | 12.3 | 7.7 | 13.9 | 9.5 | 18.4 | 34.6 | 39 | 20.2 | 32.1 | 38.2 | 44.1 | -- | -- | -- |
| 55 | Stari Grad, Serbia | 21.5 | 34.9 | 31.7 | 21 | 14.2 | 10.5 | 14.1 | 13.2 | 12.3 | 13.9 | 19.8 | 35.8 | 35.6 | 37.4 | -- | -- | -- | -- | -- | -- |
| 56 |  Alessandria, Italy | 21.4 | 35.6 | 28.1 | 11.4 | 15.9 | 11.6 | 11.4 | 14 | 14.1 | 11.5 | 13.7 | 32.6 | 34 | 19.2 | 17.7 | 13.6 | -- | -- | -- | -- |
| 57 | Gossolengo, Italy | 21.2 | 49.7 | 40.5 | 18.3 | 10.2 | 9 | 8.1 | 11.7 | 12.8 | 11.2 | 16.8 | 38.8 | 37 | 22.5 | 24 | 25.7 | -- | -- | -- | -- |
| 58 | Santa Cristina e Bissone, Italy | 21.2 | 49.5 | 38.5 | 15.6 | 9.2 | 8 | 6.7 | 8.9 | 12.3 | 11.1 | 16.3 | 38.4 | 43 | 22.1 | -- | -- | -- | -- | -- | -- |
| 59 | Raciborz, Poland | 21.2 | 32.9 | 21.9 | 30.1 | 15.6 | 12.7 | 12.7 | 11.3 | 13.2 | 16.4 | 23.5 | 26.7 | 37.2 | 19.3 | 22.1 | 27.4 | 24.9 | 24.5 | -- | -- |
| 60 | Gaggiano, Italy | 21.1 | 40.4 | 36.4 | 17.1 | 10.2 | 8.8 | 9.4 | 11.5 | 13.4 | 10.6 | 14.7 | 37.9 | 44.6 | 20.1 | 26.8 | 27.3 | 32.7 | -- | -- | -- |
| 61 | Zvezdara, Serbia | 20.9 | 34.6 | 30.1 | 22.5 | 12.9 | 10.1 | 12 | 12 | 11 | 13.3 | 18.9 | 37.7 | 36.7 | 18.6 | 23.5 | 22.2 | -- | -- | -- | -- |
| 62 | Kragujevac, Serbia | 20.9 | 38.4 | 29 | 19.7 | 10.4 | 8.1 | 9.8 | 11.2 | 10.6 | 10.8 | 22.8 | 43.5 | 37.1 | 21.9 | 25.2 | 25 | 29.8 | 24.7 | -- | -- |
| 63 | Chiaravalle, Italy | 20.8 | 29 | 26.3 | 16.7 | 13.3 | 15.2 | 16.8 | 21.8 | 27.8 | 17.6 | 16.7 | 26.8 | 22.6 | 18.4 | 19.8 | 16.6 | 15.3 | 13.7 | -- | -- |
| 64 |  Rudeni, Romania | 20.8 | 39.8 | 34.6 | 23.1 | 12.8 | 8.8 | 9.9 | 11.6 | 10.4 | 11.4 | 23.5 | 37.2 | 24.3 | 18.4 | -- | -- | -- | -- | -- | -- |
| 65 | Zgierz, Poland | 20.7 | 35.2 | 24.3 | 30.5 | 14.7 | 8.7 | 9 | 8.7 | 10.9 | 15 | 22.6 | 33.8 | 35.8 | 16.3 | 15.3 | 20.7 | 24.5 | 27 | 21.9 | 19.2 |
| 66 | Rusanj, Serbia | 20.7 | 36.6 | 30.4 | 19.9 | 12.3 | 8.9 | 11.2 | 11.2 | 8.6 | 9.9 | 18.6 | 38.8 | 41.5 | 35.1 | -- | -- | -- | -- | -- | -- |
| 67 | Buffalora-Bettole, Italy | 20.6 | 36.8 | 43.3 | 18 | 10.9 | 7.5 | 14.1 | 12.6 | 11.8 | 6.2 | 15.8 | 35.9 | 33.9 | 23.2 | -- | -- | -- | -- | -- | -- |
| 68 | Kraljevo, Serbia | 20.6 | 35.6 | 33.9 | 20.2 | 12.3 | 7.9 | 10.2 | 11.6 | 12.6 | 12.6 | 19.1 | 38.1 | 33.3 | 26 | -- | -- | -- | -- | -- | -- |
| 69 |  Novi Grad, Bosnia Herzegovina | 20.5 | 19.8 | 18.4 | 10.8 | 9.8 | 4.2 | 5 | 7.9 | 9 | 11 | 23.5 | 48.4 | 73.3 | 29.2 | 45.5 | 46.6 | -- | -- | -- | -- |
| 70 |  Miskolc, Hungary | 20.4 | 32.9 | 26.9 | 23.2 | 12.7 | 10.1 | 10.6 | 11.1 | 11.6 | 15.2 | 22.2 | 39 | 29.7 | 15.7 | 17.6 | 23.4 | 21 | 21.9 | 24.4 | -- |
| 71 | Jastrzebie Zdroj, Poland | 20.2 | 30 | 20.2 | 26.7 | 15.7 | 12.8 | 13 | 12.3 | 14.1 | 16.1 | 22.5 | 25.3 | 33.8 | 18.6 | -- | -- | -- | -- | -- | -- |
| 72 | Paracin, Serbia | 20.2 | 30 | 31.6 | 20.6 | 15.9 | 10.8 | 11.3 | 12.8 | 12.2 | 13.7 | 20.3 | 32.9 | 30.8 | 19.3 | 21.8 | -- | -- | -- | -- | -- |
| 73 | Vozdovac, Serbia | 20.2 | 33.5 | 31.5 | 21.5 | 12.8 | 9.1 | 10.7 | 10.7 | 11.9 | 13.4 | 18.5 | 35.6 | 34.1 | 22 | 46.1 | -- | -- | -- | -- | -- |
| 74 | Vracar, Serbia | 20.2 | 32.5 | 29 | 19.9 | 12.9 | 10.2 | 12.8 | 12 | 11.2 | 12.3 | 17.8 | 35.8 | 36.7 | 17.6 | -- | -- | -- | -- | -- | -- |
| 75 | Veľká Ida, Slovakia | 20.2 | 26.8 | 23.3 | 23.3 | 15.2 | 13.3 | 13.9 | 18.4 | 18.3 | 17.3 | 19.8 | 31.4 | 22.8 | 20 | -- | -- | -- | -- | -- | -- |
| 76 | Schivenoglia, Italy | 20.1 | 32.1 | 38.4 | 11 | 7.9 | 8.5 | 13.3 | 17.1 | 19.1 | 14.4 | 14.7 | 23.1 | 25.3 | 20.6 | 10.6 | 19.2 | -- | -- | -- | -- |
| 77 | Capannori, Italy | 20.1 | 36.1 | 32.1 | 13.8 | 10.4 | 7.6 | 7.4 | 11.6 | 11.7 | 8.7 | 10 | 29.7 | 42.5 | 14.9 | -- | -- | -- | -- | -- | -- |
| 78 | Saronno, Italy | 20 | 39.2 | 37.9 | 12.3 | 10 | 7.8 | 9.9 | 12.8 | 12.6 | 8.5 | 10.6 | 30.3 | 33.5 | 18.8 | 13.5 | 18.3 | -- | -- | -- | -- |
| 79 | Skarzysko-Kamienna, Poland | 20 | 36.4 | 24.8 | 29.5 | 14.5 | 9.4 | 9.1 | 8.2 | 11.3 | 15 | 23.3 | 27.2 | 33.7 | -- | -- | -- | -- | -- | -- | -- |
| 80 | Dalmine, Italy | 19.9 | 35.4 | 32.5 | 18.1 | 14.4 | 9.8 | 14.8 | 13.8 | 14.5 | 9.7 | 14.2 | 29 | 31.5 | 21 | 19 | 21.6 | -- | -- | -- | -- |
| 81 |  Hnevosice, Czech Republic | 19.8 | 24.1 | 17.8 | 26.1 | 12.5 | 9.7 | 10.4 | 10.5 | 12.2 | 15 | 22 | 33.4 | 45.5 | 18.3 | -- | -- | -- | -- | -- | -- |
| 82 | Cigliano, Italy | 19.8 | 35.5 | 29.8 | 11.2 | 8.7 | 9.1 | 12.3 | 15.5 | 14.6 | 10.1 | 14.3 | 29.4 | 31 | 19.8 | 18.5 | 16.4 | -- | -- | -- | -- |
| 83 | Padova, Italy | 19.7 | 38.1 | 39.2 | 19.8 | 11.5 | 6.8 | 9.9 | 11.2 | 13.1 | 9.7 | 13.4 | 33.5 | 32.7 | 24.9 | 23.5 | 21.8 | 28.5 | -- | -- | -- |
| 84 | Krzanowice, Poland | 19.5 | 45.8 | 29.8 | 27.4 | 10 | 8.7 | 6 | 3.5 | 8.3 | 11 | 15.6 | 24.3 | 43.6 | 13.5 | 11.7 | 16.2 | 14.5 | -- | -- | -- |
| 85 | Sremski Karlovci, Serbia | 19.5 | 24.4 | 22 | 18.3 | 9.3 | 5.7 | 7.2 | 8.8 | 10.3 | 11.5 | 17.7 | 46.4 | 53.1 | 14.9 | -- | -- | -- | -- | -- | -- |
| 86 | Zarnovica, Slovakia | 19.5 | 28.4 | 23.6 | 20.8 | 14.5 | 11 | 11.6 | 12.6 | 13.7 | 12.7 | 18.1 | 33.3 | 36 | 16.5 | 19.6 | 19.3 | -- | -- | -- | -- |
| 87 | Corsico, Italy | 19.4 | 31.8 | 37 | 20.9 | 11.2 | 9.6 | 10.3 | 10.5 | 14.2 | 12.4 | 18.9 | 25.6 | 30.3 | 22.6 | -- | -- | -- | -- | -- | -- |
| 88 | Sannazzaro de' Burgondi, Italy | 19.4 | 28.4 | 24.6 | 7.7 | 5 | 8.9 | 12.4 | 14.2 | 15.5 | 12.9 | 18.1 | 36.6 | 30.8 | 16.8 | 16.5 | 20.3 | -- | -- | -- | -- |
| 89 | Włocławek, Poland | 19.4 | 27.3 | 24.1 | 33 | 16.1 | 13.2 | 10.4 | 8 | 7.2 | 16.5 | 21 | 23.1 | 24.1 | 18 | -- | -- | -- | -- | -- | -- |
| 90 |  Ourense, Spain | 19.4 | 26 | 25.7 | 19.1 | 17.9 | 16.6 | 16.9 | 15.6 | 18.2 | 19 | 16.7 | 19.8 | 21.8 | 7.7 | 9.8 | 9.8 | 8.2 | 9.9 | 9.5 | 12.1 |
| 91 | Sajószentpéter, Hungary | 19.3 | 36.1 | 27.4 | 24.5 | 10.8 | 8.6 | 8.2 | 8.3 | 8.2 | 10.8 | 19.6 | 36.5 | 30.6 | 15.8 | 18 | 25.7 | 21.7 | -- | -- | -- |
| 92 | Suceava, Romania | 19.3 | 32.9 | 31.4 | 24.3 | 14 | 11.3 | 11.1 | 13.1 | 16 | 15.3 | 18.1 | 24.5 | 17.7 | 18.1 | -- | -- | -- | -- | -- | -- |
| 93 | Bielsko-Biala, Poland | 19.2 | 26.7 | 18.3 | 26.4 | 15.5 | 12.2 | 11.4 | 11.3 | 13 | 14.3 | 20.6 | 26.5 | 33.5 | 17.2 | 21.4 | 26.4 | 24.7 | 27 | -- | -- |
| 94 | Veles, North Macedonia | 19.1 | 49.3 | 35.4 | 16.8 | 11.4 | 7.6 | 10.8 | 13.2 | 13.4 | 15.2 | 14.7 | 22.1 | 36.6 | 22.9 | 16.8 | 17.2 | -- | -- | -- | -- |
| 95 |  Koprivnica, Croatia | 19 | 43.5 | 31.5 | 24.1 | 12.4 | 8.3 | 8.6 | 6.7 | 10.5 | 10.9 | 19.1 | 25.9 | 27.5 | 21.3 | -- | -- | -- | -- | -- | -- |
| 96 | Pancevo, Serbia | 19 | 27.1 | 35.8 | 21.8 | 11.6 | 7.8 | 9.5 | 11.5 | 11.9 | 12 | 17 | 35.8 | 28.2 | 22.2 | 29.7 | 27.7 | -- | -- | -- | -- |
| 97 | Cukarica, Serbia | 18.9 | 28.1 | 25.7 | 16.5 | 11.8 | 9.5 | 12.3 | 12.1 | 11.6 | 11.9 | 16.8 | 34.5 | 35.6 | 16 | -- | -- | -- | -- | -- | -- |
| 98 |  Murska Sobota, Slovenia | 18.9 | 42.8 | 27.9 | 21.1 | 10.1 | 7.7 | 9.2 | 9.2 | 11.2 | 9.7 | 15.3 | 28.1 | 35 | 16.9 | 20.1 | 20.3 | -- | -- | -- | -- |
| 99 | Jelsava, Slovakia | 18.8 | 40.8 | 31.4 | 15.5 | 8.7 | 7.7 | 8.8 | 11.2 | 9.9 | 8.7 | 17.6 | 36.1 | 36.7 | 19.3 | 21.3 | 23.7 | 19 | 21.4 | 24.3 | 26.7 |
| 100 | Borsky Mikulas, Slovakia | 18.8 | 37.1 | 16.9 | 20.7 | 8.8 | 8.7 | -- | -- | 10.6 | 8.8 | 13.2 | 28.2 | 32.2 | -- | -- | -- | -- | -- | -- | -- |
