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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1304 |  Oberhausen Germany | 8.9 | 10 | 10.2 | 13.8 | -- | -- | -- | -- | -- |
| 1305 | Kaiserslautern Germany | 8.9 | 7.9 | 7.5 | 9.5 | 7.9 | 8.9 | 10.2 | 12.5 | 11.9 |
| 1306 | Koblenz Germany | 8.9 | 8.8 | 8.7 | 8.9 | 9.8 | 8.7 | 11 | 11.8 | 11.6 |
| 1307 |  Enniscorthy Ireland | 8.9 | 8.3 | 8.2 | 10.1 | 9.6 | 10.4 | -- | -- | -- |
| 1308 |  Torino Italy | 8.9 | 12.1 | 12.9 | 7 | 7.2 | 7.1 | 8.5 | 12.1 | 12.9 |
| 1309 |  Prizren Kosovo | 8.9 | 10.1 | 10.6 | 2.1 | 7.2 | 16.2 | 26 | -- | -- |
| 1310 |  Vilnius Lithuania | 8.9 | 9.1 | 10.6 | 14.5 | 14.6 | 13.4 | 15.8 | 18.2 | 16.9 |
| 1311 |  Vredepeel Netherlands | 8.9 | 8.5 | 8.2 | 11.2 | 11.6 | 10.3 | 12.1 | 12.1 | 9.5 |
| 1312 |  Mataro Spain | 8.9 | 24.2 | -- | -- | -- | -- | -- | -- | -- |
| 1313 | Vilanova i la Geltrú Spain | 8.9 | 8.5 | -- | -- | -- | -- | -- | -- | -- |
| 1314 | Coslada Spain | 8.9 | 10 | 11.2 | 11.3 | 13.1 | 11.7 | 12 | -- | -- |
| 1315 |  Sissach Switzerland | 8.9 | 7.3 | 6.6 | -- | -- | -- | -- | -- | -- |
| 1316 |  Khmelnytskyi Ukraine | 8.9 | 10.6 | 11.4 | 20.3 | -- | -- | -- | -- | -- |
| 1317 |  Aylesford United Kingdom | 8.9 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1318 | Bolton United Kingdom | 8.9 | 8 | 10.3 | 11.1 | 10.2 | -- | -- | -- | -- |
| 1319 | Harston United Kingdom | 8.9 | 9.1 | 7.4 | -- | -- | -- | -- | -- | -- |
| 1320 | King's Lynn United Kingdom | 8.9 | 6.6 | 8.9 | 7.9 | 8.2 | -- | 6.1 | -- | -- |
| 1321 | Quorn United Kingdom | 8.9 | 8.2 | 8.6 | -- | -- | -- | -- | -- | -- |
| 1322 | Warminster United Kingdom | 8.9 | 6.7 | 6.3 | -- | -- | -- | -- | -- | -- |
| 1323 | Chepstow United Kingdom | 8.9 | 7.2 | 8.8 | 10.2 | 10.3 | 9.5 | 12.6 | 10 | 9.8 |
| 1324 |  Enzersdorf an der Fischa Austria | 8.8 | 10 | 11.4 | -- | -- | -- | -- | -- | -- |
| 1325 | Innsbruck Austria | 8.8 | 8.5 | 8.8 | 10.1 | 11.1 | 11.2 | 11.3 | -- | -- |
| 1326 |  Dovlici Bosnia Herzegovina | 8.8 | 11 | -- | -- | -- | -- | -- | -- | -- |
| 1327 |  Žďár nad Sázavou Czech Republic | 8.8 | 9.3 | 8.6 | 6.7 | 10.1 | -- | 12 | 15.4 | 12.5 |
| 1328 |  Massilly France | 8.8 | 7.1 | 6.8 | -- | -- | -- | -- | -- | -- |
| 1329 | Metz France | 8.8 | 8.2 | 8.2 | 10.9 | 9.6 | 9.1 | 10.5 | 12.5 | 10.4 |
| 1330 | Le Lamentin France | 8.8 | 9.4 | 8.8 | 8.2 | 9.7 | 9.8 | -- | -- | -- |
| 1331 | Le Mans France | 8.8 | 7.3 | 8.5 | 7.9 | 9.7 | 8.5 | 9.2 | 9.5 | 10.7 |
| 1332 | Toulon France | 8.8 | 7.7 | 8.3 | 9.3 | 8.5 | 9.1 | 11.8 | 11.9 | 12.4 |
| 1333 | Oranienburg Germany | 8.8 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1334 | Bebra Germany | 8.8 | 8.5 | 7.1 | 9.4 | 9.8 | -- | -- | -- | -- |
| 1335 | Gustrow Germany | 8.8 | 8.8 | 8.2 | 9.3 | 10.4 | 8.9 | 10.2 | 11.6 | 12 |
| 1336 | Datteln Germany | 8.8 | 10.4 | 11 | 12.3 | 10.6 | 8.6 | 10.8 | 14.4 | 14.4 |
| 1337 | Essen Germany | 8.8 | 8.7 | 9.5 | 11.2 | 10.8 | 9.6 | 11.7 | 13.9 | 13.1 |
| 1338 | Dillingen Germany | 8.8 | 9.3 | 4.5 | -- | -- | -- | -- | -- | -- |
| 1339 |  Megalo Chorio Greece | 8.8 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1340 | Westport Ireland | 8.8 | 7.8 | 8.8 | 10.6 | -- | -- | -- | -- | -- |
| 1341 | Croom Ireland | 8.8 | 12 | -- | -- | -- | -- | -- | -- | -- |
| 1342 |  Rucava Latvia | 8.8 | 7.7 | 4.3 | -- | -- | -- | -- | -- | -- |
| 1343 | Zeewolde Netherlands | 8.8 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1344 | Maastricht Netherlands | 8.8 | 8.4 | 8.1 | 10.8 | 11.3 | 9.9 | 10.1 | -- | -- |
| 1345 | Halfweg Netherlands | 8.8 | 8.4 | 8 | -- | -- | -- | -- | -- | -- |
| 1346 |  Tomar Portugal | 8.8 | 10.5 | -- | -- | -- | -- | -- | -- | -- |
| 1347 | San Roque Spain | 8.8 | 11.3 | -- | -- | -- | -- | -- | -- | -- |
| 1348 | Zaragoza Spain | 8.8 | 7.5 | 11.7 | 12 | 11.4 | 7.3 | -- | -- | -- |
| 1349 | Aviles Spain | 8.8 | 9.1 | 9.2 | 10.8 | 9 | 9.1 | 7.1 | 10.5 | -- |
| 1350 | Lugones Spain | 8.8 | 9 | 9.7 | 11.4 | 11.6 | 12.8 | 13.5 | 12.1 | 15.5 |
| 1351 | Alcala de Henares Spain | 8.8 | 10.9 | 10.9 | 9.4 | 10.3 | 12.4 | 12.3 | -- | -- |
| 1352 | Chamberi Spain | 8.8 | 10 | -- | -- | -- | -- | -- | -- | -- |
| 1353 | Thal Switzerland | 8.8 | 7.9 | 9.1 | 12.4 | 19.6 | -- | -- | -- | -- |
