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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1505 |  Goheung South Korea | 10.5 | 11 | 12.9 | -- | -- | -- | -- | -- | -- |
| 1506 |  Qoqek China | 10.4 | 13.4 | 14 | 13.9 | 12.5 | 12.2 | 10 | 12.1 | 16.3 |
| 1507 |  Palangkaraya Indonesia | 10.4 | 10.2 | 21.7 | 6.7 | 7.9 | 5.9 | -- | -- | -- |
| 1508 | Kalianda Indonesia | 10.4 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1509 | Tomohon Indonesia | 10.4 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1510 | Bagansiapiapi Indonesia | 10.4 | 11.9 | 13.7 | 10.6 | -- | -- | -- | -- | -- |
| 1511 |  Ogaki Japan | 10.4 | 8.3 | 8.8 | 9.5 | 9.6 | 10 | 11.5 | 11.9 | 11.2 |
| 1512 | Tatebayashi Japan | 10.4 | 10 | 11 | 10.2 | 10.9 | 11.5 | 13 | 13.7 | 13.4 |
| 1513 | Mihara Japan | 10.4 | 9.1 | 10.6 | 10.6 | 10.3 | 11.8 | 12.8 | 13.3 | 13.4 |
| 1514 | Takarazuka Japan | 10.4 | 8.6 | 9.5 | 8.9 | 8.6 | 9 | 11.1 | 11.4 | 11.6 |
| 1515 | Joso Japan | 10.4 | 9.1 | 10 | 9.4 | 10 | 10.2 | 12.5 | 12.7 | 12.6 |
| 1516 | Kameyama Japan | 10.4 | 8.9 | 9.8 | 9.4 | 9.4 | 8.9 | 11.3 | -- | -- |
| 1517 | Ikoma Japan | 10.4 | 8.5 | 9.5 | 9.3 | 9.3 | 10.5 | 11.1 | 11.7 | 12.3 |
| 1518 | Moriguchi Japan | 10.4 | 7.9 | 8.7 | 8.5 | 8.2 | 8.2 | 9.4 | 10.1 | 10 |
| 1519 | Oka Japan | 10.4 | 8.7 | 10.1 | -- | -- | -- | -- | -- | -- |
| 1520 | Kawajima Japan | 10.4 | 10.7 | 11.9 | 9.9 | 6.6 | 10.6 | 12.4 | 13.9 | -- |
| 1521 | Yashio Japan | 10.4 | 9.4 | 11.3 | 9.8 | 9.8 | 10.5 | 11.6 | 12.3 | 11.6 |
| 1522 | Kitajima Japan | 10.4 | 8.6 | 9.4 | 11.3 | 10.5 | 11.7 | 11.9 | 12.3 | 12.5 |
| 1523 | Arida Japan | 10.4 | 8.2 | 9.6 | 9.2 | 9.3 | 9.9 | 11.2 | 11.8 | 12.2 |
| 1524 | Fuefuki Japan | 10.4 | 8.8 | 9.3 | -- | -- | -- | -- | -- | -- |
| 1525 | Fujimi Japan | 10.4 | 9.4 | 10.4 | 9.6 | -- | -- | -- | -- | -- |
| 1526 |  Pavlodar Kazakhstan | 10.4 | 15.4 | 14.3 | 13.9 | 13.6 | -- | -- | -- | -- |
| 1527 |  Taipei Taiwan | 10.4 | 11.7 | -- | -- | -- | -- | -- | -- | -- |
| 1528 | Inazawa Japan | 10.3 | 9.7 | 9 | 9 | 9.6 | 9.7 | 11.5 | 12.7 | 11.5 |
| 1529 | Masago Japan | 10.3 | 9.4 | 9.9 | -- | -- | -- | -- | -- | -- |
| 1530 | Asakura Japan | 10.3 | 9.9 | 10.8 | 10.9 | 11 | 11.7 | 12.6 | 13.3 | 13.5 |
| 1531 | Hamakoshien Japan | 10.3 | 8.1 | -- | -- | -- | -- | -- | -- | -- |
| 1532 | Kamisu Japan | 10.3 | 9.2 | 8.5 | 7.5 | 7.4 | 8.1 | 8.8 | 9 | 12.1 |
| 1533 | Joyo Japan | 10.3 | 9.5 | 10.5 | 9.8 | 9.8 | 10.3 | 11.7 | 12.5 | 12.8 |
| 1534 | Kumiyama Japan | 10.3 | 8.1 | 9.3 | 9.3 | 10.9 | 11.6 | 12.6 | 12.5 | 13.2 |
| 1535 | Nantan Japan | 10.3 | 8.6 | 9.7 | 9 | 8.9 | 9.6 | 11.1 | 11.6 | 11.8 |
| 1536 | Terada Japan | 10.3 | 9.5 | -- | -- | -- | -- | -- | -- | -- |
| 1537 | Uji Japan | 10.3 | 8.2 | 9.2 | 8.9 | 8.7 | 9 | 10.5 | 11.7 | 11.9 |
| 1538 | Sakurai Japan | 10.3 | 8.4 | 9.6 | 9.3 | 9.3 | 10.2 | 11.4 | 11.8 | 11.3 |
| 1539 | Oita Japan | 10.3 | 9.3 | 10.6 | 11.1 | 10.4 | 12 | 12.6 | 12.4 | 14.1 |
| 1540 | Asahimachi Japan | 10.3 | 8.4 | 9.6 | -- | -- | -- | -- | -- | -- |
| 1541 | Suita Japan | 10.3 | 8.9 | 10.7 | 9.9 | 9 | 9.1 | 13.3 | 13.5 | 13.2 |
| 1542 | Kanzaki Japan | 10.3 | 9.8 | 11.8 | 11.3 | 11.2 | -- | -- | -- | -- |
| 1543 | Oze Japan | 10.3 | 9.5 | -- | -- | -- | -- | -- | -- | -- |
| 1544 | Tsurugashima Japan | 10.3 | 10.1 | 11.2 | 9.9 | 9.9 | 10.2 | 11.2 | -- | -- |
| 1545 | Higashiyamato Japan | 10.3 | 8.6 | 9.5 | 8.8 | 8.2 | 9.1 | 11.1 | 11 | 12.5 |
| 1546 | Wakayama Japan | 10.3 | 9.6 | 10.7 | 10.4 | 10.1 | 10.3 | 11.3 | 12.5 | 13.3 |
| 1547 | Shunan Japan | 10.3 | 8.6 | 9.8 | 9.2 | 9.8 | 11.3 | 12.6 | 12.7 | 13.8 |
| 1548 |  Muang Khong Laos | 10.3 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1549 |  Ratchaburi Thailand | 10.3 | 10.7 | 14.9 | 16.4 | 21.6 | 22.8 | 29.5 | 32.2 | 22.4 |
| 1550 | Ko Pha-ngan Thailand | 10.3 | 11.1 | 14.2 | 12.3 | 13.6 | -- | -- | -- | -- |
| 1551 | Okazaki Japan | 10.2 | 8.5 | 9.3 | 9.1 | 9.1 | 9 | 11.2 | 12 | 11.6 |
| 1552 | Yawatahama Japan | 10.2 | 7.7 | 8.9 | 9.3 | 9 | 9.6 | 10.4 | 10.3 | 11 |
| 1553 | Fukuoka Japan | 10.2 | 9.6 | 11.2 | 10.3 | 10 | 11.4 | 13.1 | 12.8 | 13.9 |
| 1554 | Nishiotoba Japan | 10.2 | 9 | 8.3 | -- | -- | -- | -- | -- | -- |
