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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 101 |  Volla, Italy | 18.6 | 24.4 | 28.5 | 18.4 | 11.7 | 12.4 | 11.2 | 16.8 | 16.4 | 12.6 | 14.9 | 22.4 | 27.1 | 17.7 | 20.5 | 20.6 | 22.3 | 17.1 | -- | -- |
| 102 | Ponti sul Mincio, Italy | 18.6 | 34.1 | 42 | 8.6 | 9.1 | 9.2 | 13.2 | 13.2 | 13.9 | 7.5 | 10 | 30 | 25.1 | 20 | 16.1 | 18.4 | -- | -- | -- | -- |
| 103 | Venice, Italy | 18.6 | 76.8 | 49.2 | 18.4 | 11.3 | 7.5 | 9.5 | 10.8 | 10.6 | 8.6 | 11.2 | 30.7 | 34.2 | -- | -- | -- | -- | -- | -- | -- |
| 104 |  Nikšić, Montenegro | 18.6 | 32.7 | 31.6 | 19.9 | 10.5 | 7.2 | 7.5 | 11.4 | 15 | 9.7 | 15.2 | 31.7 | 26.1 | 14.7 | 11.4 | 30.5 | 28.7 | -- | -- | -- |
| 105 |  Kielce, Poland | 18.6 | 24.1 | 16.1 | 21.9 | 9.5 | 7.9 | 10.8 | 10.7 | 13 | 15.5 | 20.9 | 23.4 | 26.9 | 15.5 | 16.2 | 22.3 | 16.5 | 20.1 | -- | -- |
| 106 | Dzialdowo, Poland | 18.6 | 31.9 | 23.4 | 28 | 18.5 | 10.4 | 8.9 | 6.7 | 7.5 | 13.5 | 19.2 | 24.9 | 25 | -- | -- | -- | -- | -- | -- | -- |
| 107 | Magenta, Italy | 18.5 | 31.7 | 34.3 | 15.3 | 9.6 | 8.6 | 10.9 | 11.1 | 13.8 | 10.8 | 17.4 | 27.5 | 32.3 | 15.8 | -- | -- | -- | -- | -- | -- |
| 108 | Vittuone, Italy | 18.5 | 29.1 | 32.2 | 15.6 | 10.6 | 10.1 | 12.4 | 13.1 | 15.8 | 12.8 | 18.7 | 24.6 | 27.8 | 17 | -- | -- | -- | -- | -- | -- |
| 109 | Otwock, Poland | 18.5 | 22.4 | 16.8 | 27.5 | 14 | 11.4 | 11 | 9.5 | 11.1 | 15.9 | 21.5 | 28.4 | 32.2 | 14.6 | 14.6 | 19.6 | 22.4 | 18.2 | 30.2 | 29.3 |
| 110 | Katowice, Poland | 18.5 | 24.9 | 18.8 | 25.5 | 14.6 | 9.7 | 13 | 11.9 | 14.1 | 16.9 | 18.9 | 24 | 29 | 16.2 | 25.9 | 22.5 | 21.4 | 26 | 30.4 | 25.1 |
| 111 | Vimodrone, Italy | 18.4 | 30.8 | 33.3 | 15.4 | 10.5 | 10 | 11.6 | 12 | 16.2 | 12.5 | 18.2 | 24.7 | 26.9 | 19.9 | -- | -- | -- | -- | -- | -- |
| 112 |  Krompachy, Slovakia | 18.4 | 27.6 | 23.7 | 21.4 | 12.4 | 12 | 13.4 | 14.7 | 16.7 | 12 | 15.4 | 27.2 | 23.7 | 17.2 | 13.2 | 19.3 | 16.4 | 18.1 | 18.9 | 20.7 |
| 113 |  Kazincbarcika, Hungary | 18.3 | 30.3 | 24.5 | 22.2 | 9.9 | 8.2 | 8 | 7.9 | 9.5 | 11.6 | 18.9 | 35.3 | 29.2 | 16.3 | 19.3 | 22.7 | 18.5 | -- | -- | -- |
| 114 | Nerviano, Italy | 18.3 | 36.7 | 36 | 16.5 | 9.1 | 8.1 | 10.3 | 11.7 | 13.8 | 9.8 | 15.2 | 25.3 | 29 | 16.9 | -- | -- | -- | -- | -- | -- |
| 115 | Rho, Italy | 18.3 | 30.4 | 33.6 | 16.4 | 9.9 | 9.4 | 11.2 | 11.6 | 14.5 | 11.6 | 18.2 | 25.2 | 28 | 18.8 | 16.2 | -- | -- | -- | -- | -- |
| 116 | Kepie, Poland | 18.2 | 29.4 | 19.1 | 24.2 | 13.8 | 10.1 | 9.2 | 9.8 | 12.2 | 17.8 | 18.4 | 24.7 | 27.5 | 17.9 | 15.4 | 17.5 | 16.8 | 20.8 | -- | -- |
| 117 |  Celje, Slovenia | 18.2 | 37.4 | 26.1 | 18.4 | 9.7 | 8.1 | 9.3 | 10.2 | 11.5 | 9.8 | 15.2 | 30 | 32.3 | 16.3 | 17.1 | 18.4 | -- | -- | -- | -- |
| 118 | Milano, Italy | 18.1 | 32.6 | 36.2 | 14.7 | 9.4 | 8.9 | 9.6 | 10.5 | 13 | 10.7 | 16.7 | 25.7 | 29.6 | 19 | 28.6 | 22.9 | 28.4 | 23.3 | 22.1 | 27.8 |
| 119 | Kutno, Poland | 18.1 | 26.2 | 20.6 | 29.3 | 14.5 | 11.6 | 10.8 | 9 | 10.9 | 15.8 | 19.8 | 23.8 | 24.8 | 16 | 16.7 | 20.3 | 16.2 | -- | -- | -- |
| 120 | Lask, Poland | 18.1 | 27.8 | 18.7 | 29.8 | 14.1 | 11.3 | 10.6 | 9.1 | 10.7 | 15.4 | 17.7 | 24.1 | 28 | 17.5 | 19 | 23.9 | -- | -- | -- | -- |
| 121 | Radomsko, Poland | 18.1 | 30.4 | 18.5 | 29.1 | 13.4 | 11.1 | 11.8 | 12.6 | 14.6 | 14.8 | 17.2 | 21.9 | 22.8 | 15.2 | 21.1 | 23.7 | 20.8 | -- | -- | -- |
| 122 |  Sintesti, Romania | 18.1 | 28.3 | 24.8 | 20.2 | 13.9 | 10.1 | 11.1 | 12.7 | 11.1 | 12.9 | 21.7 | 31.7 | 18.7 | 22.1 | -- | -- | -- | -- | -- | -- |
| 123 | Danilovgrad, Montenegro | 18 | 34.4 | 29.5 | 16 | 10.1 | 9.1 | 9.8 | 11 | 20.6 | 13.2 | 16.8 | 31.5 | 19.2 | -- | -- | -- | -- | -- | -- | -- |
| 124 | Popricani, Romania | 18 | 33.6 | 25.7 | 26.4 | 9.1 | 7.1 | 7.6 | 10.3 | 10 | 10.3 | 19.5 | 31.7 | 25.5 | 20.8 | 23.2 | 31 | -- | -- | -- | -- |
| 125 |  Savski Venac, Serbia | 18 | 26.8 | 24.4 | 18.4 | 10.1 | 7.6 | 11.6 | 11.1 | 11.3 | 12.4 | 17.3 | 33.9 | 33.1 | 15.2 | 20 | 18.8 | -- | -- | -- | -- |
| 126 | Rakičan, Slovenia | 18 | 39.7 | 25.8 | 20.9 | 10 | 7.3 | 9 | 8.9 | 10.7 | 10.9 | 14.9 | 25.6 | 32.6 | 16 | 18.8 | 20.5 | -- | -- | -- | -- |
| 127 | Belgrade, Serbia | 17.9 | 29.3 | 25.8 | 18.4 | 10.3 | 8.3 | 10.9 | 11.1 | 11.5 | 11.9 | 15.7 | 32.7 | 28.6 | 18.8 | 22.1 | 23.4 | 24.3 | 23.3 | 23.9 | 24.5 |
| 128 | Kalisz, Poland | 17.8 | 25 | 19.1 | 28.3 | 13.9 | 12.5 | 12 | 10.3 | 12.7 | 17.2 | 19.7 | 23.1 | 21.2 | 19.6 | 21.8 | 23.9 | 18.8 | 19.4 | 23.3 | 26.1 |
| 129 | Krakow, Poland | 17.7 | 26.8 | 20.7 | 26.7 | 13.2 | 9.7 | 10.7 | 10.4 | 12 | 14.5 | 17 | 22.6 | 27.4 | 17.3 | 20 | 24.7 | 21.7 | 24.6 | 28.9 | 30.2 |
| 130 | Voluntari, Romania | 17.7 | 33 | 28.2 | 19.8 | 10.8 | 8.3 | 9.6 | 10.9 | 10.1 | 10.9 | 20.4 | 30 | 21.1 | 17.5 | 30.1 | -- | -- | -- | -- | -- |
| 131 | Beocin, Serbia | 17.7 | 25 | 18.9 | 15.7 | 9.3 | 6.8 | 10.1 | 11.2 | 11.7 | 12.6 | 20.2 | 35.7 | 35.2 | 16.5 | 16 | 16.3 | -- | 24 | -- | -- |
| 132 | Subotica, Serbia | 17.7 | 25.2 | 24.7 | 21.3 | 10.9 | 6.7 | 8.4 | 9.2 | 10.4 | 11.7 | 20 | 39.2 | 25.4 | 14 | -- | -- | -- | -- | -- | -- |
| 133 | Lublin, Poland | 17.6 | 22.6 | 18 | 25.9 | 14.4 | 10.5 | 11.4 | 10.5 | 12.9 | 18.2 | 21.3 | 25 | 20.6 | 19.4 | 19.1 | 23.1 | 18.5 | 20.5 | 21 | 21.6 |
| 134 | Goczalkowice Zdroj, Poland | 17.6 | 30.3 | 18.7 | 24.6 | 12.2 | 9.3 | 9.2 | 9 | 10.4 | 12.4 | 21.4 | 22.4 | 30.9 | 15.1 | 22.2 | 31.9 | 31.6 | 29.6 | -- | -- |
| 135 | Dębica, Poland | 17.6 | 37 | 23.6 | 29.5 | 13 | 10.2 | 8.8 | 7.6 | 8.1 | 13 | 15 | 22.2 | 22.8 | 17.9 | 14.7 | 21.7 | 22.9 | 25.5 | -- | -- |
| 136 | Mielec, Poland | 17.6 | 32.3 | 18.4 | 23.9 | 13.4 | 10.1 | 9.4 | 10.1 | 12.8 | 16.4 | 19.4 | 23.1 | 20.6 | 15.8 | 16.4 | 23.9 | 18.8 | 21.1 | 25.1 | 25.3 |
| 137 | Lazarevac, Serbia | 17.6 | 40 | 24 | 14.5 | 9.8 | 8.7 | 11.2 | 11 | 7.9 | 9.4 | 17.3 | 29.5 | 25.6 | 24.4 | 32.2 | 24.6 | -- | -- | -- | -- |
| 138 | Zagorje ob Savi, Slovenia | 17.6 | 35 | 26.9 | 17.8 | 9.7 | 8.1 | 9.3 | 10.1 | 11.1 | 9 | 13.7 | 27.9 | 33.9 | -- | -- | -- | -- | -- | -- | -- |
| 139 |  Zvornik, Bosnia Herzegovina | 17.5 | 30.7 | 22.3 | 16.4 | 9.5 | 5.6 | 5.9 | 12.3 | 11.8 | 10.3 | 18.7 | 30.6 | 31.6 | 20.6 | 26.8 | 25.7 | -- | -- | -- | -- |
| 140 | Benevento, Italy | 17.5 | 24.4 | 29 | 19.9 | 15.2 | 10.3 | 11 | 14.3 | 13.6 | 10.2 | 11.4 | 19.1 | 24.9 | 15.6 | 16.6 | 14.4 | 20 | 16.2 | 14.2 | 19.4 |
| 141 |  Ilinden, North Macedonia | 17.5 | 35.7 | 26.9 | 11.9 | 8.9 | 5.3 | 9.5 | 10.5 | 13.7 | 11.5 | 14.6 | 30.7 | 31.5 | 18.1 | 15.5 | 13.3 | -- | -- | -- | -- |
| 142 | Kędzierzyn-Koźle, Poland | 17.5 | 31.3 | 16.1 | 23.6 | 11.3 | 9.6 | 10 | 9.2 | 11.2 | 14.3 | 15.8 | 23.4 | 33.4 | 14.3 | 16.8 | 21.4 | -- | 23.5 | 29 | 29.8 |
| 143 |  Rychvald, Czech Republic | 17.4 | 22.3 | 14.6 | 22.5 | 13.4 | 11.2 | 12.1 | 13.1 | 14.1 | 15.1 | 18.7 | 19.7 | 31.7 | 16.5 | 19.7 | 27.1 | -- | 17.1 | -- | -- |
| 144 | Brescia, Italy | 17.4 | 37.5 | 39.6 | 13.9 | 8.7 | 7.8 | 10 | 10 | 10.9 | 7.5 | 10 | 27.1 | 25.6 | 19 | 19.3 | 19.2 | 16.5 | 18.9 | 20.8 | 26.4 |
| 145 | Chojnow, Poland | 17.4 | 23.9 | 22.1 | 28 | 12.3 | 9.4 | 10.1 | 8.3 | 10.8 | 13.8 | 21.1 | 21.5 | 29.9 | -- | -- | -- | -- | -- | -- | -- |
| 146 | Novi Sad, Serbia | 17.4 | 26.9 | 20 | 16.9 | 9.4 | 6.8 | 8.8 | 9.6 | 10.9 | 11.6 | 17.3 | 38.6 | 31.5 | 17.5 | 22.4 | 24 | 22.2 | 26.9 | -- | -- |
| 147 | Bosanski Petrovac, Bosnia Herzegovina | 17.3 | -- | 18.6 | 19 | 11.9 | 8.3 | 7.7 | 12.5 | 13.8 | 12 | 16.3 | 25.8 | 47.1 | 23.4 | -- | -- | -- | -- | -- | -- |
| 148 | Bra, Italy | 17.3 | 31.1 | 25.6 | 8.2 | 7.7 | 7 | 6 | 11.8 | 12 | 10.2 | 12.5 | 29.5 | 25.7 | 21.1 | -- | -- | -- | -- | -- | -- |
| 149 | Rzeszow, Poland | 17.3 | 25.4 | 19 | 24.2 | 14.3 | 11.1 | 10 | 10.3 | 11.5 | 14.9 | 16.1 | 21.4 | 29.6 | 16.4 | 18 | 21.8 | 17 | 19.8 | -- | -- |
| 150 | Presov, Slovakia | 17.2 | 20.7 | 22.9 | 20.5 | 13.8 | 12.5 | 12.5 | 15.3 | 16 | 13.8 | 15.1 | 25.1 | 18.3 | 16 | 17.1 | 18.6 | 16.1 | 18.3 | 20.2 | 24.3 |
