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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1406 |  Baku Azerbaijan | 16.4 | 18.3 | 18.8 | 18.9 | 17.6 | -- | -- | -- | -- |
| 1407 |  Vranduk Bosnia Herzegovina | 16.4 | 26.9 | 53.4 | -- | -- | -- | -- | -- | -- |
| 1408 |  Dali China | 16.4 | 17.7 | 16.1 | 12.5 | 17.1 | 15.6 | 16.8 | 16 | 23.3 |
| 1409 |  Pekanbaru Indonesia | 16.4 | 20.9 | 23 | 20.9 | 20.1 | 24.2 | 52.8 | -- | -- |
| 1410 | Padalarang Indonesia | 16.4 | 21.4 | -- | -- | -- | -- | -- | -- | -- |
| 1411 |  Harish Israel | 16.4 | 16.7 | 16.8 | -- | -- | -- | -- | -- | -- |
| 1412 |  Magenta Italy | 16.4 | 18.5 | 15.8 | -- | -- | -- | -- | -- | -- |
| 1413 |  Pristina Kosovo | 16.4 | 14.2 | 15.2 | 13.7 | 14.6 | 20 | 23.5 | 30.4 | 31.7 |
| 1414 |  Irapuato Mexico | 16.4 | 16.8 | 15.8 | 18.1 | 17.9 | 18.2 | 19.2 | 19.7 | 23.2 |
| 1415 | San Bernardino Tlaxcalancingo Mexico | 16.4 | 16.4 | -- | -- | -- | -- | -- | -- | -- |
| 1416 |  Ar Ramadin Palestine | 16.4 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1417 |  Sintesti Romania | 16.4 | 18.1 | 22.1 | -- | -- | -- | -- | -- | -- |
| 1418 |  Hanam South Korea | 16.4 | 16.8 | 17.9 | 16.8 | 15.9 | -- | 24.3 | 22.1 | 25.5 |
| 1419 | Chilgok South Korea | 16.4 | 16.4 | 17.5 | 16.9 | 18.8 | 18.1 | 23.4 | -- | -- |
| 1420 |  Buri Ram Thailand | 16.4 | 17.5 | 19.9 | -- | -- | -- | -- | -- | -- |
| 1421 | Nong Ki Thailand | 16.4 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1422 | Khao Kho Thailand | 16.4 | 15.6 | -- | -- | -- | -- | -- | -- | -- |
| 1423 | Samut Prakan Thailand | 16.4 | 16.8 | 21.4 | 18.1 | 21.1 | 20.9 | 22.9 | 32.2 | 33.2 |
| 1424 |  Concon Chile | 16.3 | 11.5 | 12.3 | 14.2 | 14.4 | 12.4 | 14.1 | -- | -- |
| 1425 | Safed Israel | 16.3 | 17 | 19 | 21.9 | -- | -- | -- | -- | -- |
| 1426 | Ashdod Israel | 16.3 | 15.4 | 16.1 | 16.3 | 16.5 | 15.8 | 20.6 | 19.6 | 18.9 |
| 1427 | Venice Italy | 16.3 | 18.6 | -- | -- | -- | -- | -- | -- | -- |
| 1428 |  Ban Houayxay Laos | 16.3 | 10.9 | -- | -- | -- | -- | -- | -- | -- |
| 1429 | Zacatepec Mexico | 16.3 | 9.1 | 16.3 | -- | -- | -- | -- | -- | -- |
| 1430 |  Otaci Moldova | 16.3 | 22.7 | -- | -- | -- | -- | -- | -- | -- |
| 1431 |  Lublin Poland | 16.3 | 17.6 | 19.4 | 19.1 | 23.1 | 18.5 | 20.5 | 21 | 21.6 |
| 1432 | Piastów Poland | 16.3 | 17.1 | 15 | 14.7 | 18 | 17.8 | 19.2 | 19.5 | 24.4 |
| 1433 |  Beocin Serbia | 16.3 | 17.7 | 16.5 | 16 | 16.3 | -- | 24 | -- | -- |
| 1435 |  Polzela Slovenia | 16.3 | 34.6 | -- | -- | -- | -- | -- | -- | -- |
| 1436 | Bueng Kan Thailand | 16.3 | 20.7 | 34.2 | 19.9 | -- | -- | -- | -- | -- |
| 1437 | Suthep Thailand | 16.3 | 24.9 | 32.1 | -- | -- | -- | -- | -- | -- |
| 1438 | Cha-am Thailand | 16.3 | 17.3 | 20.1 | -- | -- | -- | -- | -- | -- |
| 1439 |  Bolu Turkey | 16.3 | 12.4 | 15.9 | 16.2 | 15.2 | 22.5 | 24.8 | -- | -- |
| 1440 | Zonguldak Turkey | 16.3 | 15.6 | 14.5 | 19.2 | 22.3 | 22.5 | 20.4 | -- | -- |
| 1441 |  Kibanda Uganda | 16.3 | 24 | -- | -- | -- | -- | -- | -- | -- |
| 1442 | Puerto Varas Chile | 16.2 | 17.9 | 16.8 | 20.3 | 18.2 | -- | -- | -- | -- |
| 1443 | Bengkulu Indonesia | 16.2 | 22.2 | 23.9 | 20.3 | 19.1 | -- | -- | -- | -- |
| 1444 | Surakarta Indonesia | 16.2 | 20.5 | 19.8 | 5.1 | -- | -- | -- | -- | -- |
| 1445 | Acerra Italy | 16.2 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1446 | Cittiglio Italy | 16.2 | 14.6 | -- | -- | -- | -- | -- | -- | -- |
| 1447 |  Viligili Maldives | 16.2 | 14.7 | 12.1 | -- | -- | -- | -- | -- | -- |
| 1448 | Katowice Poland | 16.2 | 18.5 | 16.2 | 25.9 | 22.5 | 21.4 | 26 | 30.4 | 25.1 |
| 1449 | Belgrade Serbia | 16.2 | 17.9 | 18.8 | 22.1 | 23.4 | 24.3 | 23.3 | 23.9 | 24.5 |
| 1450 |  Veľká Ida Slovakia | 16.2 | 20.2 | 20 | -- | -- | -- | -- | -- | -- |
| 1451 | Boryeong South Korea | 16.2 | 17.6 | 19.7 | 22.3 | 22.6 | -- | 25 | -- | -- |
| 1452 | Namwon South Korea | 16.2 | 11.7 | 14.7 | 17.4 | 16.3 | -- | 25.5 | 22.3 | 27.2 |
| 1453 | Ongkharak Thailand | 16.2 | 31.7 | 12.6 | -- | -- | -- | -- | -- | -- |
| 1454 |  Valemount Canada | 16.1 | 12.6 | 15.7 | 10 | 11 | 8.5 | -- | -- | -- |
| 1455 | Puchuncavi Chile | 16.1 | 15 | 15 | 15.2 | 15.4 | 14 | 15.9 | 14.8 | 13.7 |
| 1456 |  Caldas Colombia | 16.1 | 20.3 | 16.8 | -- | -- | -- | -- | -- | -- |
