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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1504 |  Catford United Kingdom | 8.4 | 8.6 | 8.8 | 10.2 | -- | -- | -- | -- | -- |
| 1505 | Hartlepool United Kingdom | 8.4 | 8 | 7 | 6.5 | -- | -- | -- | -- | -- |
| 1506 | Hatfield United Kingdom | 8.4 | 7 | 6.5 | 9.7 | 9.7 | 9.3 | 9.5 | 11.2 | 12.4 |
| 1507 | Hertford United Kingdom | 8.4 | 8 | 8.3 | 11.9 | 12.2 | 10.4 | 7.6 | 10.2 | 14.7 |
| 1508 | Leigh United Kingdom | 8.4 | 8.1 | 6.1 | 9.8 | 9.8 | -- | -- | -- | -- |
| 1509 | Mansfield United Kingdom | 8.4 | 9 | -- | -- | -- | -- | -- | -- | -- |
| 1510 | Saint Osyth United Kingdom | 8.4 | 7 | 7.5 | 7 | -- | -- | -- | -- | -- |
| 1511 | Scunthorpe United Kingdom | 8.4 | 7.6 | 6 | 9.7 | 9.9 | -- | -- | -- | -- |
| 1512 |  Leuven Belgium | 8.3 | 7.9 | 7.3 | 9.6 | 14.4 | 12.5 | 14.6 | -- | -- |
| 1513 |  Marčelji Croatia | 8.3 | 9.1 | 10 | 11.6 | -- | -- | -- | -- | -- |
| 1514 |  Fillinges France | 8.3 | 7.2 | 9.4 | 10.3 | -- | -- | -- | -- | -- |
| 1515 | Yzeure France | 8.3 | 7.7 | -- | -- | -- | -- | -- | -- | -- |
| 1516 | Belleville-sur-Meuse France | 8.3 | 7.6 | 8.3 | 9.4 | 9.1 | 9.8 | 11 | -- | -- |
| 1517 | Schœlcher France | 8.3 | 9.5 | 8.2 | -- | -- | -- | -- | -- | -- |
| 1518 | La Roche-sur-Yon France | 8.3 | 7.5 | 8.9 | 6.8 | 8.3 | -- | -- | -- | -- |
| 1519 | La Garde France | 8.3 | 8.3 | 8.9 | -- | -- | -- | -- | -- | -- |
| 1520 |  Wiesloch Germany | 8.3 | 7.9 | 7.5 | 8.6 | 9.1 | 8.7 | -- | -- | -- |
| 1521 | Munich Germany | 8.3 | 8.3 | 9.3 | 10.7 | 10.3 | 9.8 | 10.6 | 13.6 | 13.8 |
| 1522 | Neustadt an der Donau Germany | 8.3 | 8.7 | 8.4 | 7.4 | 9.2 | 9.4 | 10.2 | 12.3 | 11.8 |
| 1523 | Ottobrunn Germany | 8.3 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1524 | Neuruppin Germany | 8.3 | 8.1 | 8.4 | 9.9 | 11.4 | 9.9 | 11.6 | 14.2 | -- |
| 1525 | Bremerhaven Germany | 8.3 | 9.1 | 9.2 | 10.4 | 9.9 | 9.7 | 11.4 | 12.4 | 11.5 |
| 1526 | Borken Germany | 8.3 | 9.5 | 9.6 | 12.1 | 12.7 | 11.8 | -- | -- | -- |
| 1527 | Kempen Germany | 8.3 | 8.9 | 10 | 10.4 | -- | -- | -- | -- | -- |
| 1528 | Niederzier Germany | 8.3 | 8.5 | 8.9 | 12.7 | 12.6 | 13.7 | 13.1 | 15.4 | 13.8 |
| 1529 | Wuppertal Germany | 8.3 | 9.2 | 8.9 | 11.8 | 9.9 | 9.4 | 11.5 | 13.9 | 12.9 |
| 1530 |  Ferizaj Kosovo | 8.3 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1531 |  Sarpsborg Norway | 8.3 | 9.1 | 8.3 | 9.4 | 12.7 | -- | 10.1 | 9.7 | 8.4 |
| 1532 |  Huelva Spain | 8.3 | 12.3 | -- | -- | -- | -- | -- | -- | -- |
| 1533 | Basauri Spain | 8.3 | 8.3 | 10 | 8 | 6.7 | -- | -- | -- | -- |
| 1534 | Laudio Spain | 8.3 | 8.4 | 9.6 | 10.9 | 10 | -- | -- | -- | -- |
| 1535 | Santurtzi Spain | 8.3 | 8 | 9.8 | 10.6 | 9.1 | -- | -- | -- | -- |
| 1536 | Santutxu Spain | 8.3 | 9 | -- | -- | -- | -- | -- | -- | -- |
| 1537 | Albacete Spain | 8.3 | 8 | 11.4 | 10.1 | 8.7 | 9.3 | 7.9 | -- | -- |
| 1538 | Cerdanyola del Valles Spain | 8.3 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1539 | Lugo Spain | 8.3 | 8.7 | 7.5 | 10.3 | 10.5 | 9.4 | 9.2 | 9.2 | 10.6 |
| 1540 | Alfaro Spain | 8.3 | 7.3 | 7.1 | 7.8 | 6.7 | 7.7 | 8.7 | -- | -- |
| 1541 | Beaconsfield United Kingdom | 8.3 | 6.9 | 8.9 | 10.4 | 11.3 | 9.8 | 11.9 | -- | -- |
| 1542 | Burwell United Kingdom | 8.3 | 6.5 | 6.7 | 5.9 | -- | -- | -- | -- | -- |
| 1543 | Derby United Kingdom | 8.3 | 7 | -- | -- | -- | -- | -- | -- | -- |
| 1544 | Hemel Hempstead United Kingdom | 8.3 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1545 | Kensington United Kingdom | 8.3 | 9.1 | 7.9 | 7.7 | 1.5 | -- | -- | -- | -- |
| 1546 | Leicester United Kingdom | 8.3 | 7.1 | 7 | 8.5 | 7.7 | 7.5 | 11.4 | 10.5 | 10.6 |
| 1547 | Norwich United Kingdom | 8.3 | 7.3 | 8.8 | 10.8 | 10.8 | 9 | 10.1 | 11.2 | 13.8 |
| 1548 | Storrington United Kingdom | 8.3 | 7.1 | -- | -- | -- | -- | -- | -- | -- |
| 1549 |  Hallein Austria | 8.2 | 7.7 | 9.5 | 11.1 | 12.9 | -- | -- | -- | -- |
| 1550 | Salzburg Austria | 8.2 | 9 | 8.3 | 9.3 | 9.7 | 9.8 | -- | -- | -- |
| 1551 | Brussels Belgium | 8.2 | 8.9 | 9.8 | 10.6 | 11 | 9.3 | 14.1 | 14.1 | 14.9 |
| 1552 | Sint-Lambrechts-Woluwe Belgium | 8.2 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1553 | Brunehault Belgium | 8.2 | 8 | 6 | -- | -- | -- | -- | -- | -- |
