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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1404 |  Karlsruhe Germany | 8.6 | 7.6 | 7.3 | 9.6 | 9.6 | 9.1 | 11.2 | 11.4 | 11.6 |
| 1405 | Grunwald Germany | 8.6 | 7.4 | 7.9 | 8.8 | 8.4 | 7.6 | 9 | -- | -- |
| 1406 | Peissenberg Germany | 8.6 | 9.9 | -- | -- | -- | -- | -- | -- | -- |
| 1407 | Zell am Main Germany | 8.6 | 6.7 | 6.9 | 10.8 | -- | -- | -- | -- | -- |
| 1408 | Hamburg Germany | 8.6 | 8.7 | 10.1 | 10.7 | 10 | 9.1 | 10.8 | 12.3 | 12.4 |
| 1409 | Oldenburg Germany | 8.6 | 9.3 | 9.1 | 9.5 | 9.1 | 8.6 | 12 | 13.9 | 15 |
| 1410 | Burg Stargard Germany | 8.6 | 9.1 | 7.4 | -- | -- | -- | -- | -- | -- |
| 1411 | Dusseldorf Germany | 8.6 | 9.6 | 9.6 | 12 | 11.4 | 10.7 | 12.9 | 12.5 | 12.3 |
| 1412 | Mönchengladbach Germany | 8.6 | 8.3 | -- | -- | -- | -- | -- | -- | -- |
| 1413 |  Waterford Ireland | 8.6 | 7.4 | 7.8 | 9.8 | 9.3 | -- | 9.1 | -- | -- |
| 1414 |  Grosseto Italy | 8.6 | 9.5 | 9.4 | -- | -- | -- | -- | -- | -- |
| 1415 |  Naujoji Akmene Lithuania | 8.6 | 8.4 | 8.4 | 8.2 | 9.2 | 8 | 10 | 12.4 | -- |
| 1416 |  Ta' Xbiex Malta | 8.6 | 9.8 | 13.2 | 9.9 | 10.2 | -- | 9.4 | 11 | -- |
| 1417 |  Eijsden Netherlands | 8.6 | 8.8 | -- | -- | -- | -- | -- | -- | -- |
| 1418 | Wieringerwerf Netherlands | 8.6 | 7.5 | 6.7 | 9.1 | 8.6 | 8.6 | 10.3 | 10.1 | 8.9 |
| 1419 |  Chelyabinsk Russia | 8.6 | 4 | 2.8 | 4.3 | 6.1 | -- | -- | -- | -- |
| 1420 | Zelenograd Russia | 8.6 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1421 |  Erandio Spain | 8.6 | 8.2 | 8.8 | 9.4 | 8.9 | 8.9 | 9.4 | -- | -- |
| 1422 |  Steinach Switzerland | 8.6 | 7.5 | -- | -- | -- | -- | -- | -- | -- |
| 1423 | Locarno Switzerland | 8.6 | 8.9 | 10.4 | 11.4 | 10 | -- | -- | -- | -- |
| 1424 | Zurich Switzerland | 8.6 | 7.3 | 8.7 | 10.4 | 11.3 | 8.9 | 10.9 | 11.2 | 10.4 |
| 1425 |  Cherkasy Ukraine | 8.6 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1426 |  Barnsley United Kingdom | 8.6 | 7.5 | 6.8 | 8.6 | 9.7 | -- | -- | -- | -- |
| 1427 | Bath United Kingdom | 8.6 | 5.8 | 6.3 | -- | -- | -- | -- | -- | -- |
| 1428 | Faversham United Kingdom | 8.6 | 6.6 | 9.7 | 12.2 | 13.1 | -- | -- | -- | -- |
| 1429 | Letchworth Garden City United Kingdom | 8.6 | 7.6 | 7.8 | -- | -- | -- | -- | -- | -- |
| 1430 | Upminster United Kingdom | 8.6 | 8.5 | -- | -- | -- | -- | -- | -- | -- |
| 1431 | Wigan United Kingdom | 8.6 | 7.5 | 7.6 | -- | -- | -- | -- | -- | -- |
| 1432 | Swansea United Kingdom | 8.6 | 7.9 | 7.7 | 10.5 | 11.7 | 8.3 | 11.2 | 12.8 | 14.7 |
| 1433 |  Illmitz Austria | 8.5 | 7.6 | 8.8 | 9.6 | 10.2 | 10.2 | 11.1 | 13.9 | 12.5 |
| 1434 | Bad Vöslau Austria | 8.5 | 8.4 | 7.5 | 9 | 9.3 | -- | -- | -- | -- |
| 1435 |  Andenne Belgium | 8.5 | 6.7 | 6.4 | 7.5 | 8.7 | 6.2 | 10.3 | 11.7 | 9.7 |
| 1436 |  Bourg-en-Bresse France | 8.5 | 7.6 | 8.6 | 10.3 | 8.9 | 8.2 | 8.8 | 8.8 | -- |
| 1437 | Saint-Martin-Boulogne France | 8.5 | 8.9 | 8.4 | 7.4 | 10.5 | -- | -- | -- | -- |
| 1438 | Cherbourg-Octeville France | 8.5 | 7.2 | 7.6 | 8 | -- | -- | -- | -- | -- |
| 1439 | Nantes France | 8.5 | 7.4 | 8.8 | 8.9 | 9.9 | 9.2 | 10 | 10.1 | 11.4 |
| 1440 | Saint-Nazaire France | 8.5 | 7.4 | 8.1 | 8.7 | 9.1 | 8.7 | 8.6 | 9.2 | 9.6 |
| 1441 | Aix-en-Provence France | 8.5 | 7.6 | 8.8 | 10.7 | 9.2 | 8.7 | 10.1 | 11.8 | 12.8 |
| 1442 | Sindelfingen Germany | 8.5 | 6.7 | -- | -- | -- | -- | -- | -- | -- |
| 1443 | Singen Germany | 8.5 | 8.7 | -- | -- | -- | -- | -- | -- | -- |
| 1444 | Bensheim Germany | 8.5 | 7.5 | 7.1 | 8.3 | 8.6 | -- | -- | -- | -- |
| 1445 | Riedstadt Germany | 8.5 | 8.2 | 8.5 | 9.3 | 9.5 | -- | -- | -- | -- |
| 1446 | Northeim Germany | 8.5 | 7.9 | 9.6 | 13 | 15.2 | 13 | 14.2 | -- | -- |
| 1447 | Buende Germany | 8.5 | 8.1 | 6.1 | -- | -- | -- | -- | -- | -- |
| 1448 | Bingen am Rhein Germany | 8.5 | 8.1 | -- | -- | -- | -- | -- | -- | -- |
| 1449 | Kehrig Germany | 8.5 | 7 | -- | -- | -- | -- | -- | -- | -- |
| 1450 | Wittenborn Germany | 8.5 | 8.5 | 9.2 | 19 | -- | -- | -- | -- | -- |
| 1451 |  Vyronas Greece | 8.5 | 8.1 | 9.6 | -- | -- | -- | -- | -- | -- |
| 1452 | Florence Italy | 8.5 | 10.6 | 13.1 | -- | -- | -- | -- | -- | -- |
| 1453 | Culemborg Netherlands | 8.5 | 8.4 | -- | -- | -- | -- | -- | -- | -- |
