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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1608 |  Hongcheon South Korea | 15.1 | 16 | 19 | 17.2 | -- | -- | -- | -- | -- |
| 1609 | Gapyeong South Korea | 15.1 | 15.5 | 18 | 17.8 | 16.2 | -- | 22.4 | 23 | 22.1 |
| 1610 | Haenam South Korea | 15.1 | 11 | 10.5 | 14.6 | 13 | 16.2 | 19.7 | -- | -- |
| 1611 |  Deniya Sri Lanka | 15.1 | 14.2 | 13.6 | -- | -- | -- | -- | -- | -- |
| 1612 |  Si Sa Ket Thailand | 15.1 | 20.7 | 12.3 | -- | -- | -- | -- | -- | -- |
| 1613 |  Kapakli Turkey | 15.1 | 26.7 | 21.7 | 17.8 | -- | -- | -- | -- | -- |
| 1614 |  Putaendo Chile | 15 | 15 | 18.4 | -- | -- | -- | -- | -- | -- |
| 1615 |  Ostrava Czech Republic | 15 | 15.9 | 14.6 | 18.7 | 19.6 | 16.8 | 20.9 | 30.1 | 27.8 |
| 1616 | Vratimov Czech Republic | 15 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1617 | Moravska Trebova Czech Republic | 15 | 14.3 | 12.9 | 15.8 | 17 | 16.2 | 18.9 | 23 | 18.9 |
| 1618 |  Modi'in-Maccabim-Re'ut Israel | 15 | 16.2 | 21 | 30.4 | 28.4 | -- | -- | -- | -- |
| 1619 | Shoham Israel | 15 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1620 | Bet Shemesh Israel | 15 | 16.7 | 24.8 | 15.9 | 23 | -- | -- | -- | -- |
| 1621 |  Puebla Mexico | 15 | 17.4 | 19.3 | 13 | 9.8 | 13 | -- | -- | -- |
| 1622 | Rancho Bellavista [Fraccionamiento] Mexico | 15 | 17.2 | 27.5 | 22.4 | -- | -- | -- | -- | -- |
| 1623 |  Barranca Peru | 15 | 14.1 | -- | -- | -- | -- | -- | -- | -- |
| 1624 |  Wilcze Poland | 15 | 14 | 17.5 | -- | -- | -- | -- | -- | -- |
| 1625 | Gajówka Modrzewina Poland | 15 | 29.2 | 11.1 | 12.5 | 12.2 | -- | -- | -- | -- |
| 1626 |  Lucenec Slovakia | 15 | 17.1 | 15.5 | -- | -- | -- | -- | -- | -- |
| 1627 | Martin Slovakia | 15 | 15 | 14.7 | 17.3 | 20.6 | 15.7 | 16.1 | 18 | 22.1 |
| 1628 | Daejeon South Korea | 15 | 13.7 | 17.5 | -- | -- | -- | -- | -- | -- |
| 1629 | Hoengseong South Korea | 15 | 13.4 | 17.8 | 18.9 | 17 | -- | 24.9 | -- | -- |
| 1630 | Changsu South Korea | 15 | 11.5 | -- | -- | -- | -- | -- | -- | -- |
| 1631 | Hualqui Chile | 14.9 | 17.4 | 18.1 | -- | -- | -- | -- | -- | -- |
| 1632 | Kiryat Shmona Israel | 14.9 | 17.1 | 15.2 | -- | -- | -- | -- | -- | -- |
| 1633 | Ashkelon Israel | 14.9 | 15.1 | 16.9 | 16.6 | 17.4 | 15.6 | 18.8 | 20.8 | 19.2 |
| 1634 |  Giudecca Italy | 14.9 | 14.5 | -- | -- | -- | -- | -- | -- | -- |
| 1635 |  Al Bayda Libya | 14.9 | 13 | 16.1 | -- | -- | -- | -- | -- | -- |
| 1636 | Mexicali Mexico | 14.9 | 14.5 | 13.8 | 14.4 | 15.9 | 19.7 | 17.7 | 30.2 | 22.7 |
| 1637 | Tepic Mexico | 14.9 | 12.8 | 9.4 | 11.3 | 16.4 | 11.3 | 9.2 | -- | -- |
| 1638 | Monterrey Mexico | 14.9 | 15.6 | 17.1 | 18.1 | 20.1 | 14.5 | 19.3 | 17.2 | 15.7 |
| 1639 |  Ohrid North Macedonia | 14.9 | 16.8 | 12.2 | -- | -- | -- | -- | -- | -- |
| 1640 |  Barajevo Serbia | 14.9 | 16.4 | 14.3 | -- | -- | -- | -- | -- | -- |
| 1641 | Žarnovica Slovakia | 14.9 | 19.5 | 16.5 | 19.6 | 19.3 | -- | -- | -- | -- |
| 1642 |  Crna na Koroskem Slovenia | 14.9 | 18.1 | -- | -- | -- | -- | -- | -- | -- |
| 1643 | Celje Slovenia | 14.9 | 18.2 | 16.3 | 17.1 | 18.4 | -- | -- | -- | -- |
| 1644 |  Durban South Africa | 14.9 | 18.4 | -- | -- | -- | -- | -- | -- | -- |
| 1645 | Daejeon South Korea | 14.9 | 12.4 | 12.8 | 15.8 | 15.6 | 16.9 | 21.8 | -- | -- |
| 1646 | Yeoncheon South Korea | 14.9 | 13 | 14.9 | 14 | 16.1 | -- | 21.8 | 20.6 | 25.8 |
| 1647 | Tongyeong South Korea | 14.9 | 12.5 | 17.4 | 15 | 13.4 | -- | 19.4 | -- | -- |
| 1648 | Uldo South Korea | 14.9 | 10 | -- | -- | -- | -- | -- | -- | -- |
| 1649 | Wat Ket Thailand | 14.9 | 24.1 | 30.6 | -- | -- | -- | -- | -- | -- |
| 1650 |  Wantage United Kingdom | 14.9 | 7.6 | -- | -- | -- | -- | -- | -- | -- |
| 1651 |  Da Nang Vietnam | 14.9 | 17.5 | 20 | 18.8 | 14.1 | 14.8 | 25.9 | -- | -- |
| 1652 |  Bihac Bosnia Herzegovina | 14.8 | 24.6 | 29.1 | 29.5 | 33 | -- | -- | -- | -- |
| 1653 | Český Těšín Czech Republic | 14.8 | 15.5 | 15.3 | -- | -- | -- | -- | -- | -- |
| 1654 |  Lagkadas Greece | 14.8 | 18.2 | -- | -- | -- | -- | -- | -- | -- |
| 1655 |  Sintang Indonesia | 14.8 | 8.8 | 17.6 | -- | -- | -- | -- | -- | -- |
| 1656 | Netanya Israel | 14.8 | 13.8 | 20.6 | 22.9 | 21.7 | -- | -- | -- | -- |
| 1657 | Avigdor Israel | 14.8 | 14.5 | 19.4 | -- | -- | -- | -- | -- | -- |
