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
PM2.5 legend
0-5Meets WHO guideline
5.1-10Exceeds by 1 to 2 times
10.1-15Exceeds by 2 to 3 times
15.1-25Exceeds by 3 to 5 times
25.1-35Exceeds by 5 to 7 times
35.1-50Exceeds by 7 to 10 times
>50.1Exceeds by over 10 times
| Rank | City | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1455 |  Phiman Thailand | 10.8 | 14.9 | 15.3 | 11.9 | -- | -- | -- | -- | -- |
| 1456 | Khlong Yai Thailand | 10.8 | 7.4 | -- | -- | -- | -- | -- | -- | -- |
| 1457 |  Probolinggo Indonesia | 10.7 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1458 | Penajam Indonesia | 10.7 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1459 |  Kani Japan | 10.7 | 9.6 | 9.1 | 8.6 | 8.5 | 9.1 | 11 | -- | -- |
| 1460 | Hiroshima Japan | 10.7 | 8.9 | 10.1 | 9.8 | 9.9 | 10.3 | 11.9 | 12.5 | 13.5 |
| 1461 | Kandacho Japan | 10.7 | 9.4 | 12.2 | -- | -- | -- | -- | -- | -- |
| 1462 | Oyamazaki Japan | 10.7 | 8.6 | 9.7 | 9.3 | 9.4 | -- | -- | -- | -- |
| 1463 | Takanabe Japan | 10.7 | 9.6 | 11.4 | 11.3 | 10 | 12.6 | 12.4 | 12.9 | 14.2 |
| 1464 | Ao Japan | 10.7 | 9 | 10 | -- | -- | -- | -- | -- | -- |
| 1465 | Matsubara Japan | 10.7 | 8.3 | 9.8 | 9.4 | 8.4 | 8 | 15 | 16.5 | 14.2 |
| 1466 | Kashiwaza Japan | 10.7 | 9.7 | -- | -- | -- | -- | -- | -- | -- |
| 1467 | Sayama Japan | 10.7 | 9.9 | 11.7 | 9.6 | 9.9 | 10.3 | 11.9 | 13.2 | -- |
| 1468 | Chuocho Japan | 10.7 | 11.2 | -- | -- | -- | -- | -- | -- | -- |
| 1469 | Tottori Japan | 10.7 | 9 | 9.4 | 7.9 | 7.5 | 11.8 | 13.2 | -- | -- |
| 1470 | Uozu Japan | 10.7 | 9.1 | 9.6 | 8.8 | 8.7 | 9.5 | 10.1 | 10 | 9.5 |
| 1471 | Narathiwat Thailand | 10.7 | 14.3 | 16 | 14.5 | 13.7 | 14.3 | 17.5 | 15.2 | 8.6 |
| 1472 | Thap Sakae Thailand | 10.7 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1473 | Hat Yai Thailand | 10.7 | 14.3 | 16.5 | 16.2 | 16.9 | 17.3 | -- | -- | -- |
| 1474 | Nishio Japan | 10.6 | 7.6 | 8.3 | 7.9 | 8.5 | 9.5 | 10.7 | 11.5 | 11.7 |
| 1475 | Amagasaki Japan | 10.6 | 8.9 | 10.7 | 9.9 | 9.9 | 10.6 | 12.4 | 12.7 | 12.8 |
| 1476 | Ikaruga Japan | 10.6 | 8.2 | -- | -- | -- | -- | -- | -- | -- |
| 1477 | Tatsuno Japan | 10.6 | 9.6 | 9.1 | 8.7 | 10.2 | -- | 10.4 | 10.9 | 10.7 |
| 1478 | Yuki Japan | 10.6 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1479 | Seika Japan | 10.6 | 8.9 | 10.5 | 10.6 | 11.1 | 11.6 | 13.2 | 13.9 | 13.9 |
| 1480 | Suzuka Japan | 10.6 | 9.1 | 10.5 | 9.5 | 9.9 | 10.4 | 12.6 | 13.9 | 13 |
| 1481 | Saiki Japan | 10.6 | 9.8 | 9.9 | 10.9 | 10 | 11.3 | 10.6 | -- | -- |
| 1482 | Niiza Japan | 10.6 | 10 | 10.9 | 9.3 | 9.8 | 10.7 | 12 | -- | -- |
| 1483 | Wako Japan | 10.6 | 9.6 | 10.5 | 9.8 | 9.8 | 10.5 | 11.8 | 12.7 | -- |
| 1484 | Oyama Japan | 10.6 | 9.6 | 10 | 10.1 | 10.1 | 12.2 | 12.9 | 13.2 | 13.7 |
| 1485 | Khlang Thailand | 10.6 | 13.2 | 14.5 | 14.9 | -- | -- | -- | -- | -- |
| 1486 | Gorontalo Indonesia | 10.5 | 14 | 12 | 4.9 | 2.6 | -- | -- | -- | -- |
| 1487 | Tagawa Japan | 10.5 | 9.8 | 10.9 | 12.4 | 11.4 | 12.6 | 13.8 | 13.8 | 15 |
| 1488 | Tenjin Japan | 10.5 | 10 | 10.7 | -- | -- | -- | -- | -- | -- |
| 1489 | Kaibaracho Kaibara Japan | 10.5 | 9.1 | -- | -- | -- | -- | -- | -- | -- |
| 1490 | Shimodate Japan | 10.5 | 11.6 | 12.6 | -- | -- | -- | -- | -- | -- |
| 1491 | Takamatsu Japan | 10.5 | 7.6 | 8.5 | 8.3 | 9 | 9.6 | 11.2 | 13.3 | 13.4 |
| 1492 | Kamiamakusa Japan | 10.5 | 10 | 10.2 | 9.1 | 8.8 | 10.2 | 11.5 | 11.6 | 11.6 |
| 1493 | Yamaga Japan | 10.5 | 9.6 | 11 | 11.3 | 11.1 | 17.2 | 16.1 | -- | -- |
| 1494 | Kyotanabe Japan | 10.5 | 8.4 | 9.6 | 9.2 | 9.2 | 9.7 | 11 | 12.4 | 12.3 |
| 1495 | Nabari Japan | 10.5 | 8.1 | 10.2 | 9.6 | 9.6 | 10.2 | 11.7 | 13.8 | 12.4 |
| 1496 | Abikohigashi Japan | 10.5 | 8 | 11 | -- | -- | -- | -- | -- | -- |
| 1497 | Hirakata Japan | 10.5 | 7.6 | 9.4 | 9.2 | 8.2 | 7.9 | 12.3 | 12.5 | 12.6 |
| 1498 | Honmachi Japan | 10.5 | 8.4 | 9.8 | -- | -- | -- | -- | -- | -- |
| 1499 | Neyagawa Japan | 10.5 | 7.8 | 9.6 | 9.3 | 9.7 | -- | 16.2 | 13.9 | 14 |
| 1500 | Fujimi Japan | 10.5 | 9.5 | 10.4 | 9.9 | 10 | 10.5 | 11.9 | 13.1 | -- |
| 1501 | Koshigaya Japan | 10.5 | 8.5 | 9.4 | 9.1 | 9.3 | 10.2 | 14.3 | 16.8 | 15.2 |
| 1502 | Moriyama Japan | 10.5 | 8.6 | 8.8 | 8.7 | 8.8 | 9 | 11.6 | 11.5 | 11.9 |
| 1503 | Higashikurume Japan | 10.5 | 9 | 9.5 | 9.4 | 8.9 | 9.3 | 11.5 | 12.9 | 12.6 |
| 1504 | Kitamachi Japan | 10.5 | 9.6 | -- | -- | -- | -- | -- | -- | -- |
