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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1454 |  Zaandam Netherlands | 8.5 | 8 | 9.1 | 9.6 | 12 | 11.3 | 13.3 | 11.4 | 11.7 |
| 1455 |  Stupava Slovakia | 8.5 | 9.6 | 12.1 | 16.3 | 23.8 | -- | -- | -- | -- |
| 1456 |  Bilbo Spain | 8.5 | 8.3 | 9.1 | 11 | 10.1 | 9.2 | 9.7 | 9.7 | 10.2 |
| 1457 | Oural Spain | 8.5 | 6.5 | 7.7 | -- | -- | -- | -- | -- | -- |
| 1458 | Madrid Spain | 8.5 | 8.1 | 9 | 9.5 | 9.4 | 9 | 9.2 | 10 | 9.9 |
| 1459 |  Kestenholz Switzerland | 8.5 | 7.8 | -- | -- | -- | -- | -- | -- | -- |
| 1460 | Bodio Switzerland | 8.5 | 8 | 9.2 | 10.9 | 10.5 | -- | -- | -- | -- |
| 1461 | Rueti Switzerland | 8.5 | 7.5 | -- | -- | -- | -- | -- | -- | -- |
| 1462 |  Plymouth United Kingdom | 8.5 | 7.4 | 8 | 9.1 | 8 | 9.9 | 11.1 | 10.1 | 9.3 |
| 1463 | Portsmouth United Kingdom | 8.5 | 7.6 | 9 | 10.4 | 9.1 | -- | 12.4 | 12.4 | 11.2 |
| 1464 | Stoke-on-Trent United Kingdom | 8.5 | 7.2 | 7.5 | 8.6 | 8.6 | 7.7 | 9.6 | 9.5 | 8.8 |
| 1465 | Willesborough United Kingdom | 8.5 | 7.1 | 9.8 | -- | -- | -- | -- | -- | -- |
| 1466 |  Zellerndorf Austria | 8.4 | 8.6 | 8 | 8.7 | 9.8 | 8.7 | -- | -- | -- |
| 1467 | Köflach Austria | 8.4 | 9.8 | 13.8 | -- | -- | -- | -- | -- | -- |
| 1468 | Bludenz Austria | 8.4 | 7.2 | 8.8 | 14.7 | 14.8 | -- | -- | -- | -- |
| 1469 |  Berchem-Sainte-Agathe Belgium | 8.4 | 10.7 | 9.4 | -- | -- | -- | -- | -- | -- |
| 1470 | Landen Belgium | 8.4 | 8 | 8.4 | 9.6 | 11.3 | 9.1 | 10.9 | 12.8 | 12.5 |
| 1471 | Châtelet Belgium | 8.4 | 6.5 | 7.4 | 8.4 | 9.8 | 7.3 | 11.2 | 11.7 | 10.6 |
| 1472 | Engis Belgium | 8.4 | 6.5 | 6.2 | 7.8 | 9.4 | 7.4 | 12.2 | 11.9 | 12.7 |
| 1473 | Mons-lez-Liege Belgium | 8.4 | 8.2 | 4.5 | -- | -- | -- | -- | -- | -- |
| 1474 |  Mostar Bosnia Herzegovina | 8.4 | 11.9 | 14.8 | 15.4 | 10.8 | -- | -- | -- | -- |
| 1475 |  Dubrovnik Croatia | 8.4 | 7.5 | 7.6 | -- | -- | -- | -- | -- | -- |
| 1476 |  Copenhagen Denmark | 8.4 | 7.1 | 7.9 | 8.7 | 9.7 | 9.4 | 9.6 | -- | -- |
| 1477 |  Ploemeur France | 8.4 | 7.2 | 14.2 | -- | -- | -- | -- | -- | -- |
| 1478 | Port-de-Bouc France | 8.4 | 8.2 | 9 | 10.7 | 9.8 | 9.7 | 11 | 11.6 | 12.2 |
| 1479 | Villefranche-sur-Mer France | 8.4 | 11.6 | 9.2 | 12.5 | 8.1 | -- | -- | -- | -- |
| 1480 |  Grenzach-Wyhlen Germany | 8.4 | 7 | 6.8 | -- | -- | -- | -- | -- | -- |
| 1481 | Tauberbischofsheim Germany | 8.4 | 7.8 | 7.4 | 8.1 | 8.9 | 8.1 | -- | -- | -- |
| 1482 | Schonstett Germany | 8.4 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1483 | Wenzenbach Germany | 8.4 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1484 | Bad Belzig Germany | 8.4 | 8 | 6.9 | 7.7 | 8.6 | 8.6 | 10 | 11.6 | 11.1 |
| 1485 | Bremen Germany | 8.4 | 8.6 | 8.4 | 9.9 | 9.8 | 9.5 | 11 | 13 | 11.7 |
| 1486 | Osnabrueck Germany | 8.4 | 8.1 | 8.3 | -- | -- | -- | -- | -- | -- |
| 1487 | Gohlen Germany | 8.4 | 8.6 | 8.6 | 9.5 | 9.5 | 7.9 | -- | -- | -- |
| 1488 | Leizen Germany | 8.4 | 8.9 | 6.9 | 8.6 | 9.4 | 8.7 | 10.7 | 11.9 | 11 |
| 1489 |  Letterkenny Ireland | 8.4 | 7.9 | 6.9 | 8.5 | 8.3 | 10.5 | -- | -- | -- |
| 1490 | Wekerom Netherlands | 8.4 | 7.8 | 7.4 | 10 | 10.9 | 9.6 | 11.4 | 12.8 | 10.7 |
| 1491 | Geleen Netherlands | 8.4 | 9.7 | 9.5 | 10.9 | 10.5 | 8.3 | -- | -- | -- |
| 1492 | Grasrijk Netherlands | 8.4 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1493 | 's-Hertogenbosch Netherlands | 8.4 | 7.9 | -- | -- | -- | -- | -- | -- | -- |
| 1494 | Veldhoven Netherlands | 8.4 | 10.1 | 9.9 | 14.1 | 12.5 | 10.6 | 12.3 | 12.8 | 11.2 |
| 1495 | Noordwijk Netherlands | 8.4 | 7.4 | 7.7 | -- | -- | -- | -- | -- | -- |
| 1496 | Ridderkerk Netherlands | 8.4 | 8.6 | 8.7 | 10.4 | 10.4 | 10 | 11 | 12.7 | 13 |
| 1497 |  Oeiras Portugal | 8.4 | 19.3 | 10.4 | 9.2 | 6.7 | -- | -- | -- | -- |
| 1498 |  Obninsk Russia | 8.4 | 8.8 | 12.5 | -- | -- | -- | -- | -- | -- |
| 1499 | Mimetiz Spain | 8.4 | 8.1 | 8.3 | 10.8 | 8.9 | 7.2 | 7.7 | 8 | 8 |
| 1500 | Rascafria Spain | 8.4 | 6.7 | -- | -- | -- | -- | -- | -- | -- |
| 1501 | Anieres Switzerland | 8.4 | 10.3 | -- | -- | -- | -- | -- | -- | -- |
| 1502 | Sarnen Switzerland | 8.4 | 6.8 | 8.6 | 8.5 | -- | -- | -- | -- | -- |
| 1503 | Bradford United Kingdom | 8.4 | 7.2 | 7.3 | 10 | 12.1 | -- | -- | -- | -- |
