2017-2025
World's most polluted cities
The most polluted cities according to data aggregated from over 80,000 data points.
2025
World Air Quality Report
2025
World Air Quality Report
| Rank | City | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1709 |  Cuernavaca Mexico | 14.5 | 15.9 | 18.8 | 16.6 | 18.7 | 19.6 | 22.8 | -- | -- |
| 1710 | Cadereyta Jimenez Mexico | 14.5 | 15.5 | 15.4 | 14.8 | 22 | 22.4 | -- | -- | -- |
| 1711 | San Pedro Garza Garcia Mexico | 14.5 | 14.3 | 16.6 | 19 | 20.8 | 15.6 | 16.6 | -- | -- |
| 1712 |  Czarnow Poland | 14.5 | 15.3 | 11.4 | -- | -- | -- | -- | -- | -- |
| 1713 | Warsaw Poland | 14.5 | 13.4 | 13.2 | 15.3 | 18.2 | 16.7 | 17.3 | 24.2 | 26.7 |
| 1714 |  Modelu Romania | 14.5 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1715 | Corbeanca Romania | 14.5 | 11.4 | 12.4 | 13.2 | 21.5 | -- | -- | -- | -- |
| 1716 |  Lephalale South Africa | 14.5 | 16 | 13.4 | 12 | 14.5 | 12.8 | 14.1 | -- | -- |
| 1717 |  Chuncheon South Korea | 14.5 | 12.9 | 14.7 | 15.1 | 16.5 | -- | 22.5 | 21.3 | 24.2 |
| 1718 | Samcheok South Korea | 14.5 | 10.8 | 12.8 | 11.9 | 11.2 | -- | 18.7 | 18.3 | 22.2 |
| 1719 | Gwangju South Korea | 14.5 | 17.1 | 22.2 | 21 | 19.2 | 17.8 | 23.8 | -- | -- |
| 1720 |  Ban Pho Thailand | 14.5 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1721 | Nang Lae Thailand | 14.5 | 16.8 | 42.7 | 17.5 | -- | -- | -- | -- | -- |
| 1722 | Klaeng Thailand | 14.5 | 14.7 | 13.6 | -- | -- | -- | -- | -- | -- |
| 1723 |  Graz Austria | 14.4 | 16.7 | 14 | 11.5 | 11.5 | 10.6 | -- | -- | -- |
| 1724 |  Cotonou Benin | 14.4 | 16.1 | -- | -- | -- | -- | -- | -- | -- |
| 1725 |  Talca Chile | 14.4 | 13.4 | 15.9 | 15.9 | 17.2 | 14.6 | 17.6 | 13.7 | 14.3 |
| 1726 |  Danzhou China | 14.4 | 15.2 | 14.9 | 13.3 | 13.9 | -- | 15.8 | 17.2 | 21 |
| 1727 |  Zugdidi Georgia | 14.4 | 15.9 | -- | -- | -- | -- | -- | -- | -- |
| 1728 |  Castelfranco Veneto Italy | 14.4 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1729 |  Pucallpa Peru | 14.4 | 17.2 | 24.1 | -- | -- | -- | -- | -- | -- |
| 1730 | Bydgoszcz Poland | 14.4 | 14.8 | 12.9 | 13 | 13.1 | 15.8 | 21.7 | 24.2 | 20.7 |
| 1731 | Mielec Poland | 14.4 | 17.6 | 15.8 | 16.4 | 23.9 | 18.8 | 21.1 | 25.1 | 25.3 |
| 1732 |  Ptuj Slovenia | 14.4 | 16.4 | 14.1 | 16.2 | 18.3 | -- | -- | -- | -- |
| 1733 | Yeonggwang South Korea | 14.4 | 9.8 | 19 | 21.6 | 20.2 | -- | -- | -- | -- |
| 1734 | Ban Pong Thailand | 14.4 | 24.9 | 30.3 | 16.6 | 22.7 | 31.1 | 33.6 | -- | -- |
| 1735 | Si Khoraphum Thailand | 14.4 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1736 |  Kayseri Turkey | 14.4 | 12.9 | 15.6 | 17.9 | 28.8 | 24.6 | 29.8 | -- | -- |
| 1737 | Nestelbach bei Graz Austria | 14.3 | 24 | -- | -- | -- | -- | -- | -- | -- |
| 1738 |  Sao Bernardo do Campo Brazil | 14.3 | 16.1 | -- | -- | -- | -- | -- | -- | -- |
| 1739 | Villarrica Chile | 14.3 | 19.2 | -- | -- | -- | -- | -- | -- | -- |
| 1740 |  Frýdek-Místek Czech Republic | 14.3 | 14.8 | 14.2 | 17.2 | 17.8 | 16.2 | 17.6 | 26.9 | 25 |
| 1741 |  Montlhéry France | 14.3 | 11.8 | 13.5 | -- | -- | -- | -- | -- | -- |
| 1742 |  Győr Hungary | 14.3 | 16.3 | 12.2 | 13.9 | 14.6 | 12.5 | -- | -- | -- |
| 1743 |  Kendal Indonesia | 14.3 | 16.8 | -- | -- | -- | -- | -- | -- | -- |
| 1744 |  Ketura Israel | 14.3 | 14.4 | 17.2 | -- | -- | -- | -- | -- | -- |
| 1745 | Tlalixtac de Cabrera Mexico | 14.3 | 14.3 | 16.1 | 15.6 | 11.7 | -- | -- | -- | -- |
| 1746 |  Dzuunmod Mongolia | 14.3 | 15.2 | 19.1 | 29.7 | -- | -- | -- | -- | -- |
| 1747 |  Pathmos Netherlands | 14.3 | 19.1 | -- | -- | -- | -- | -- | -- | -- |
| 1748 | Brasov Romania | 14.3 | 13.1 | 13.6 | 16.4 | 17.3 | 18.3 | 18 | 21.3 | -- |
| 1749 |  Kamensk-Shakhtinskiy Russia | 14.3 | 15.6 | 14.1 | 13.4 | 15.8 | 16 | -- | -- | -- |
| 1750 | Pyeongchang South Korea | 14.3 | 13.4 | 12.9 | 15.1 | 13.7 | -- | 25.2 | -- | -- |
| 1751 | Masan South Korea | 14.3 | 22 | 13 | 15.9 | 13.1 | -- | -- | -- | -- |
| 1752 | Sinan South Korea | 14.3 | 9 | 15 | 17.6 | 18.6 | -- | -- | -- | -- |
| 1753 | Bartin Turkey | 14.3 | 18.5 | 19.4 | 23 | -- | -- | -- | -- | -- |
| 1754 | Armutlu Turkey | 14.3 | 13 | 13.1 | 12.8 | -- | -- | -- | -- | -- |
| 1755 |  Cudahy USA | 14.3 | 13.2 | 10.9 | 11.7 | -- | -- | -- | -- | -- |
| 1756 | Maua Brazil | 14.2 | 16.8 | 14.6 | 13.6 | 13.7 | -- | -- | -- | -- |
| 1757 | Olomouc Czech Republic | 14.2 | 14.8 | 13.9 | 14.6 | 17.7 | 15.8 | 16.1 | 19 | 20.4 |
| 1758 | Přerov Czech Republic | 14.2 | 15.1 | 13.5 | 15.5 | 16.2 | 15.5 | 17.9 | 22.9 | 24.4 |
