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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1554 |  Salaise-sur-Sanne France | 8.2 | 9.8 | 10 | 7.6 | 10.4 | 9.2 | 10 | 14.7 | 13 |
| 1555 | Lorient France | 8.2 | 8.1 | 9.1 | 16.2 | 9.6 | 8.5 | -- | -- | -- |
| 1556 | Montpellier France | 8.2 | 8.9 | 8.7 | 12 | 7.5 | 7.9 | -- | -- | -- |
| 1558 |  Aalen Germany | 8.2 | 7.9 | 7.7 | 9.2 | 9.7 | 8.1 | -- | -- | -- |
| 1559 | Elsterwerda Germany | 8.2 | 9.5 | 8.2 | 8.8 | 11.3 | 10.5 | 11.7 | 16.2 | 16.1 |
| 1560 | Wittenberge Germany | 8.2 | 8.6 | 7.6 | 8.7 | 9.5 | 8.8 | 10.5 | 13.7 | 13.6 |
| 1561 | Seevetal Germany | 8.2 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1562 | Bielefeld Germany | 8.2 | 8.8 | 8.8 | -- | -- | -- | -- | -- | -- |
| 1563 | Koln Germany | 8.2 | 8.7 | 8.7 | 10.5 | 9.9 | 9.4 | 12.8 | 15.3 | 14.8 |
| 1564 | Mulheim Germany | 8.2 | 8.7 | 8.8 | 12 | 10.8 | -- | -- | -- | -- |
| 1565 | Nettetal Germany | 8.2 | 8.8 | 9.8 | 12.6 | 12.2 | 11.9 | -- | -- | -- |
| 1566 |  Athlone Ireland | 8.2 | 7.8 | 6.5 | 8.1 | 7.2 | -- | -- | -- | -- |
| 1567 |  Locri Italy | 8.2 | 8.8 | 10.3 | -- | -- | -- | -- | -- | -- |
| 1568 | Chiavari Italy | 8.2 | 8.4 | 10.4 | -- | -- | -- | -- | -- | -- |
| 1569 |  Santo Isidoro Portugal | 8.2 | 8.4 | 10 | -- | -- | -- | -- | -- | -- |
| 1570 | Charneca de Caparica Portugal | 8.2 | 10.1 | -- | -- | -- | -- | -- | -- | -- |
| 1571 |  Almeria Spain | 8.2 | 7.6 | -- | -- | -- | -- | -- | -- | -- |
| 1572 | Granada Spain | 8.2 | 10.3 | -- | -- | -- | -- | -- | -- | -- |
| 1573 | Barakaldo Spain | 8.2 | 8.6 | 9.3 | 12.5 | 12.2 | 12.9 | -- | -- | -- |
| 1574 | Getxo Spain | 8.2 | 8.3 | 8.9 | 9.8 | 8.6 | -- | -- | -- | -- |
| 1575 |  Borehamwood United Kingdom | 8.2 | 6.9 | 6.9 | 8.2 | 10.1 | 9.6 | 9.3 | 7.1 | -- |
| 1576 | Bristol United Kingdom | 8.2 | 7.5 | 8.5 | 9.9 | 9.7 | 10.2 | 11.3 | 12 | 9.7 |
| 1577 | Devizes United Kingdom | 8.2 | 7.5 | 8.6 | 8.4 | 10 | -- | -- | -- | -- |
| 1578 | Farsley United Kingdom | 8.2 | 7.6 | 9.5 | -- | -- | -- | -- | -- | -- |
| 1579 | Middlewich United Kingdom | 8.2 | 6.1 | -- | -- | -- | -- | -- | -- | -- |
| 1580 | Peterborough United Kingdom | 8.2 | 7.9 | -- | -- | -- | -- | -- | -- | -- |
| 1581 | Purley United Kingdom | 8.2 | 7.1 | 8.1 | 11.4 | -- | -- | -- | -- | -- |
| 1582 | Shenley United Kingdom | 8.2 | 6.1 | 7.9 | 9.2 | 10.7 | 10 | 12.4 | -- | -- |
| 1583 |  Mannswoerth Austria | 8.1 | 10.3 | 11.2 | 11.7 | -- | -- | -- | -- | -- |
| 1584 |  Sint-Job-in-'t-Goor Belgium | 8.1 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1585 | Awans Belgium | 8.1 | 8.1 | 7.3 | 6.9 | 12.5 | -- | -- | -- | -- |
| 1586 | Charleroi Belgium | 8.1 | 6.5 | 7 | 8.4 | 9.5 | 7.9 | 10.6 | 12 | 11.4 |
| 1587 |  Aarhus Denmark | 8.1 | 8 | 7.2 | 8.4 | 9.3 | -- | -- | -- | -- |
| 1588 | Vaulx-en-Velin France | 8.1 | 5.2 | 7.6 | 10.4 | 10.4 | 10.7 | 10.6 | 10.8 | 11.4 |
| 1589 | Vannes France | 8.1 | 7.8 | 8.5 | 10.6 | 9.4 | 8.3 | -- | -- | -- |
| 1590 | Ajaccio France | 8.1 | 9.1 | 9.3 | 9.8 | 9.3 | 9.2 | 9.2 | -- | -- |
| 1591 | Cabestany France | 8.1 | 7.6 | 7.7 | -- | -- | -- | -- | -- | -- |
| 1592 | Saint-Denis-d'Anjou France | 8.1 | 7 | 8.2 | 8.1 | 9.1 | 8.8 | 9.2 | 10.3 | 10.3 |
| 1593 | Heidelberg Germany | 8.1 | 8 | 7.3 | 8.9 | 9.2 | 8.5 | -- | -- | -- |
| 1594 | Jüchen Germany | 8.1 | 8.9 | -- | -- | -- | -- | -- | -- | -- |
| 1595 | Greiz Germany | 8.1 | 9.1 | 8.1 | 9.8 | 10.6 | 9.7 | 9.8 | 13.1 | 11.9 |
| 1596 |  Agios Pavlos Greece | 8.1 | 7 | 7.9 | -- | -- | -- | -- | -- | -- |
| 1597 |  Gyongyossolymos Hungary | 8.1 | 9.4 | -- | -- | -- | -- | -- | -- | -- |
| 1598 | Balassagyarmat Hungary | 8.1 | 9.5 | 7.8 | 9.2 | 9.6 | 9.7 | -- | -- | -- |
| 1599 | Fairview Ireland | 8.1 | 7.5 | 6.9 | 6.2 | 4.9 | -- | -- | -- | -- |
| 1600 | Longford Ireland | 8.1 | 7.9 | 7.1 | 8.9 | 8 | -- | -- | -- | -- |
| 1601 | Navan Ireland | 8.1 | 7.5 | 7.1 | 8 | 7 | -- | -- | -- | -- |
| 1602 |  Salaspils Latvia | 8.1 | 8 | 8 | 13.5 | -- | -- | -- | -- | -- |
| 1603 |  Gharb Malta | 8.1 | 10.2 | 10.6 | 7.4 | 9.7 | -- | 10.6 | -- | -- |
| 1604 |  Maassluis Netherlands | 8.1 | 8 | 8.4 | 10.3 | 11.1 | 11.2 | 11.8 | 14 | 11.4 |
