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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 5527 |  Sewaren USA | 7.6 | 7.2 | 11.2 | -- | -- | -- | -- | -- | -- |
| 5528 | Summit USA | 7.6 | 7 | 11.1 | -- | -- | -- | -- | -- | -- |
| 5529 | Tenafly USA | 7.6 | 7.4 | 9.6 | -- | -- | -- | -- | -- | -- |
| 5530 | Coney Island USA | 7.6 | 7 | -- | -- | -- | -- | -- | -- | -- |
| 5531 | Geneva USA | 7.6 | 6.5 | 9.8 | -- | -- | -- | -- | -- | -- |
| 5532 | Kingston USA | 7.6 | 6.9 | 10.9 | 8.5 | 5.8 | -- | -- | -- | -- |
| 5533 | Olean USA | 7.6 | 6.3 | 7 | -- | -- | -- | -- | -- | -- |
| 5534 | Port Dickinson USA | 7.6 | -- | -- | -- | -- | -- | -- | -- | -- |
| 5535 | Yorktown Heights USA | 7.6 | 6.3 | 9.4 | -- | -- | -- | -- | -- | -- |
| 5536 | Clayton USA | 7.6 | 7.4 | 8.4 | 7.4 | 8.3 | 6.9 | 8 | -- | -- |
| 5537 | Clinton USA | 7.6 | -- | -- | -- | -- | -- | -- | -- | -- |
| 5538 | Fairview USA | 7.6 | -- | -- | -- | -- | -- | -- | -- | -- |
| 5539 | Mecklenburg USA | 7.6 | -- | -- | -- | -- | -- | -- | -- | -- |
| 5540 | Fargo USA | 7.6 | 6.1 | 9.6 | 8.2 | 11.3 | -- | 6.7 | 7.2 | 8.1 |
| 5541 | Harrison USA | 7.6 | 7.7 | 11.3 | 10.9 | 13.4 | -- | -- | -- | -- |
| 5542 | Lima USA | 7.6 | 6.3 | 8.2 | 6.2 | 11.4 | 5.3 | 7.2 | 5.6 | 4.3 |
| 5543 | Madras USA | 7.6 | 7.1 | 9.5 | 6 | 6.9 | 13.3 | 7.6 | -- | -- |
| 5544 | Doylestown USA | 7.6 | 7.7 | 11.5 | 1.6 | 9.2 | -- | -- | -- | -- |
| 5545 | Dunmore USA | 7.6 | 7.2 | 10 | 7.6 | -- | -- | -- | -- | -- |
| 5546 | Freedom USA | 7.6 | 7.4 | 12.6 | 12.2 | 14.5 | -- | -- | -- | -- |
| 5547 | Glenside USA | 7.6 | 7.6 | 13 | 8.7 | -- | -- | -- | -- | -- |
| 5548 | Jim Thorpe USA | 7.6 | 6.8 | 10.3 | -- | -- | -- | -- | -- | -- |
| 5549 | Nesquehoning USA | 7.6 | -- | -- | -- | -- | -- | -- | -- | -- |
| 5550 | Trainer USA | 7.6 | -- | -- | -- | -- | -- | -- | -- | -- |
| 5551 | Awendaw USA | 7.6 | 6.6 | 8 | 7.1 | 6.4 | 6.2 | 6.4 | 6.1 | 7.9 |
| 5552 | Greenville USA | 7.6 | 7.7 | 10.2 | 8.7 | 9.3 | 7.8 | 8.6 | 7.4 | 9 |
| 5553 | Lexington USA | 7.6 | 7.9 | 12.3 | 12 | -- | -- | -- | -- | -- |
| 5554 | Jackson USA | 7.6 | 6.8 | 9.6 | 8.9 | 8.2 | 6.8 | -- | -- | -- |
| 5555 | Mascot USA | 7.6 | 8 | 11.9 | 10.9 | -- | -- | -- | -- | -- |
| 5556 | Galena Park USA | 7.6 | 8.5 | 11.9 | 12 | 12.6 | -- | -- | -- | -- |
| 5557 | Chatham USA | 7.6 | 6.5 | 8.2 | -- | -- | -- | -- | -- | -- |
| 5558 | Falls Church USA | 7.6 | 7.9 | 12.8 | 11.2 | 13 | -- | -- | -- | -- |
| 5559 | Waynesboro USA | 7.6 | 7.6 | -- | -- | -- | -- | -- | -- | -- |
| 5560 | Wise USA | 7.6 | 6.4 | 6.8 | -- | -- | -- | -- | -- | -- |
| 5561 | Wytheville USA | 7.6 | 7.3 | 9.9 | -- | -- | -- | -- | -- | -- |
| 5562 | Spokane USA | 7.6 | 7 | 10.8 | 12.1 | 11.6 | 11.1 | 8.1 | 10.6 | 10.9 |
| 5563 | Sunnyside USA | 7.6 | 7.2 | 9.5 | 11 | 10.2 | -- | 11 | 12.5 | 17.3 |
| 5564 | Parsons USA | 7.6 | 10.3 | -- | -- | -- | -- | -- | -- | -- |
| 5565 | Oak Creek USA | 7.6 | 6 | 11.3 | -- | -- | -- | -- | -- | -- |
| 5566 |  Longford Australia | 7.5 | 8.6 | 7 | 7.8 | 6.8 | 9.7 | 9.5 | 11.6 | 10.7 |
| 5567 | Traralgon Australia | 7.5 | 7.8 | 6.9 | 6.7 | 7.4 | 8.5 | 9.2 | 8 | 8.5 |
| 5568 |  Gmunden Austria | 7.5 | -- | -- | -- | -- | -- | -- | -- | -- |
| 5569 |  Baelen Belgium | 7.5 | 5 | 5.3 | 5.5 | 7.6 | 5.3 | 8.9 | 8.6 | 8.4 |
| 5570 |  Calgary Canada | 7.5 | 8 | 11.7 | 6.3 | 8.4 | 5.9 | 6.9 | 10.9 | 7.5 |
| 5571 | Strathmore Canada | 7.5 | 7.5 | 10.9 | 5.9 | 6.9 | -- | -- | -- | -- |
| 5572 | Wainwright Canada | 7.5 | 8.6 | 15.7 | 8.1 | 12.2 | -- | -- | -- | -- |
| 5573 | Fruitvale Canada | 7.5 | 6.7 | 9.6 | 10.4 | 14.4 | -- | -- | -- | -- |
| 5574 | Lake Country Canada | 7.5 | 6.5 | 11.4 | -- | -- | -- | -- | -- | -- |
| 5575 | Mississauga Canada | 7.5 | 7 | 10.9 | 8.3 | 9.7 | 6.9 | 6.9 | 7.4 | 7.2 |
| 5576 |  Odense Denmark | 7.5 | 7.8 | 7.3 | -- | -- | -- | -- | -- | -- |
