Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
2017-2023
World's most polluted cities
Most polluted city ranking based on annual average PM2.5 concentration (μg/m³)
2023
World Air Quality Report
PM2.5 legend
0-5
Meets WHO guideline
5.1-10
Exceeds by 1 to 2 times
10.1-15
Exceeds by 2 to 3 times
15.1-25
Exceeds by 3 to 5 times
25.1-35
Exceeds by 5 to 7 times
35.1-50
Exceeds by 7 to 10 times
>50.1
Exceeds by over 10 times
Rank | City | 2023 | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  Ploemeur, France | 14.2 | 12.1 | 12 | 15.3 | 5.5 | 8.9 | 13.6 | 15.1 | 16.5 | 14.2 | 18.4 | 26.6 | 9.3 | -- | -- | -- | -- | -- | -- |
| 2 | Montlhéry, France | 13.5 | 18.6 | 24.2 | 12.7 | 12.4 | 11.8 | 14.1 | 9 | 9.1 | 12 | 12 | 13.3 | 13.8 | -- | -- | -- | -- | -- | -- |
| 3 | Mamoudzou, France | 13.5 | 9.4 | 9.8 | 11.6 | 11.2 | 13.8 | 16.3 | 12.5 | 13.1 | 17.9 | 14.4 | 21.3 | 10.4 | -- | -- | -- | -- | -- | -- |
| 4 | Saint-Denis, France | 12.8 | 12.7 | 21.7 | 11.2 | 11.5 | 12 | 13.9 | 10 | 9.7 | 13.5 | 14.2 | 10.6 | 13.4 | 14.7 | 17.4 | 15.9 | 16.3 | 17.6 | 19.5 |
| 5 | Avignon, France | 12.4 | 14 | 22.5 | 14 | 6.8 | 8.6 | 10.7 | 9.5 | 8.8 | 10.2 | 10.7 | 14 | 19.5 | 13 | 10.5 | 10.3 | 11 | 11.8 | 12.7 |
| 6 | Roubaix, France | 11.9 | 13.9 | 20.7 | 10.6 | 14.5 | 13.4 | 14 | 7.9 | 7.8 | 11.2 | 9.9 | 9 | 11.3 | 14.6 | 13.9 | -- | 14.2 | 14.9 | 14.9 |
| 7 | Gardanne, France | 11.8 | 19.1 | 23 | 14 | 6.3 | 6.7 | 8.7 | 9.6 | 7.9 | 8.8 | 8.1 | 11.8 | 17.8 | 14.1 | 12.2 | 11.3 | 11.2 | 12.1 | 12.2 |
| 8 | Valenciennes, France | 11.6 | 12.5 | 18.3 | 8.4 | 13.7 | 15.7 | 14.5 | 9.2 | 8.9 | 10.7 | 9.7 | 8.8 | 10.5 | 13.9 | 12 | 10 | 11.3 | 15.3 | 15.1 |
| 9 | Romans-sur-Isère, France | 11.4 | 13.9 | 22.5 | 14.8 | 7 | 9.1 | 10.2 | 8.2 | 7.1 | 9.1 | 8.1 | 10.2 | 16.9 | 13 | 12.1 | 11.5 | 9.8 | -- | -- |
| 10 | Peillon, France | 11.4 | 18.1 | 16.1 | 9.6 | 5.9 | 6.1 | 9.4 | 11.2 | 8.6 | 8.5 | 10.4 | 14.8 | 18.7 | 13.2 | 9.9 | -- | -- | -- | -- |
| 11 | Eybens, France | 11.3 | 15.3 | 17.4 | 16 | 7.5 | 10.1 | 9.9 | 8.9 | 7.5 | 8.5 | 8.7 | 9.9 | 16.2 | -- | -- | -- | -- | -- | -- |
| 12 | La Mulatière, France | 11.3 | 13 | 23.1 | 13.8 | 8.6 | 9.6 | 10.8 | 8.9 | 7.4 | 9.5 | 7.4 | 9.4 | 15.3 | 12.5 | 12.5 | 14.6 | 12.8 | 14.1 | 15.1 |
| 13 | Gap, France | 11.1 | 15.4 | 15.4 | 11.6 | 7.4 | 7 | 9.2 | 10.6 | 10.2 | 9.8 | 9.9 | 11.7 | 15.4 | 11.9 | 10 | 9.8 | 10.7 | 11.7 | 11.7 |
| 14 | Lille, France | 10.9 | 16.9 | 21.8 | 6.5 | 12.8 | 12.9 | 14.1 | 5.9 | 6.7 | 14.6 | 8.7 | 8.4 | 9.3 | 9.8 | 11.9 | 10.1 | 11.8 | 14.3 | 14.2 |
| 15 | Marignane, France | 10.9 | 15.5 | 21.4 | 13.1 | 5.5 | 7.4 | 9.3 | 8.9 | 8.7 | 9.1 | 9.1 | 8.9 | 14.3 | 13.6 | 12.4 | 12 | -- | -- | -- |
| 16 | Saint-Martin-d'Hères, France | 10.8 | 15.8 | 21.2 | 13.2 | 5.8 | 7.8 | 9.5 | 7.7 | 6.9 | 8.6 | 7.8 | 9.5 | 16.4 | 12 | 11.1 | 9.7 | -- | -- | -- |
| 17 | Tourcoing, France | 10.8 | 17.8 | 18.4 | 9.9 | 14.6 | 12.7 | 12.6 | 6.4 | 6.7 | 9.5 | 8.9 | 9 | 10.8 | -- | -- | -- | -- | -- | -- |
| 18 | Béthune, France | 10.7 | 13.9 | 16.9 | 9.4 | 12.8 | 14.8 | 13.9 | 8.9 | 8.1 | 8.2 | 6.3 | 5.9 | 7.4 | 12.4 | 11.6 | 10.3 | 11.4 | 13.9 | 13.4 |
| 19 | Crolles, France | 10.6 | 19.1 | 19.5 | 14.3 | 5.7 | 7.2 | 8.7 | 7 | 5.8 | 7.3 | 6.8 | 10.2 | 16.4 | 11.2 | 11.9 | 9.9 | -- | -- | -- |
| 20 | Melun, France | 10.6 | 11.8 | 19 | 11.3 | 9.8 | 10.9 | 11.4 | 8.2 | 7.4 | 9.1 | 9.3 | 9.4 | 10.5 | 11.8 | 10.9 | 10.8 | 13.6 | 14.1 | 12.9 |
| 21 | Montreuil, France | 10.6 | 10.5 | 16.3 | 11.1 | 11 | 11.4 | 13.9 | 7.8 | 7.4 | 9.6 | 10.8 | 8.2 | 10.1 | 14.4 | -- | -- | -- | -- | -- |
| 22 | Rognac, France | 10.6 | 15.7 | 20.4 | 14.2 | 7 | 8 | 8.5 | 7.3 | 7.6 | 8.6 | 6.8 | 9.7 | 14 | 9.9 | 11.1 | 10.9 | -- | -- | -- |
| 23 | Annecy, France | 10.5 | 11.5 | 20.2 | 13.9 | 6.6 | 8.8 | 11.2 | 9 | 9.1 | 9.4 | 9.1 | 8.4 | 10.9 | 11.5 | 10.1 | 9.9 | 9.5 | 12.1 | 13.5 |
| 24 | Servoz, France | 10.5 | 23 | 21.5 | 14.3 | 7.1 | 7.9 | 11.3 | 6.9 | 5.8 | 7.8 | 4.4 | 6.2 | 8.7 | -- | -- | -- | -- | -- | -- |
| 25 | Dunkirk, France | 10.5 | 11.2 | 18.8 | 9.2 | 12.1 | 12.4 | 12.4 | 6.6 | 6.7 | 11.1 | 7.8 | 8 | 10.4 | 16.6 | 12.5 | -- | -- | -- | -- |
| 26 | Dieppe, France | 10.5 | 10.2 | 16 | 9.9 | 13.1 | 12.6 | 13.6 | 7.7 | 7.1 | 9.8 | 7.3 | 8 | 11 | 12.9 | 11.2 | 9.6 | 11.2 | 12.4 | -- |
| 27 | Saint-Jean-de-la-Ruelle, France | 10.4 | 15.4 | 25.1 | 12.7 | 9.8 | 9 | 9.9 | 5.8 | 5.4 | 6.7 | 8 | 9.1 | 10.5 | -- | -- | -- | -- | -- | -- |
| 28 | Arles, France | 10.4 | 11.7 | 21.5 | 12.8 | 5.8 | 7.6 | 9.4 | 8.1 | 7.7 | 8.6 | 8.9 | 9.2 | 14.9 | 12.2 | 12 | -- | -- | -- | -- |
| 29 | Paris, France | 10.3 | 11.3 | 17.8 | 10.4 | 10.4 | 11 | 12.9 | 7.2 | 6.7 | 9.5 | 9.8 | 7.5 | 9.8 | 12.7 | 13.7 | 12.2 | 14.7 | 15.6 | 15.4 |
| 30 | Tournon-sur-Rhone, France | 10.2 | -- | 24.4 | 15.1 | 6.7 | 9 | 9.9 | 7.5 | 6 | 8.1 | 8.5 | 8.5 | 11.6 | -- | -- | -- | -- | -- | -- |
| 31 | Lyon, France | 10.2 | 11.6 | 23.2 | 12 | 6.4 | 7.5 | 10 | 7.4 | 6.9 | 8.5 | 8 | 7.8 | 14.5 | 11.6 | 11.7 | 11.7 | 11.4 | 11.7 | 15 |
| 32 | Passy, France | 10.2 | 15.9 | 17.7 | 12 | 5.7 | 5.6 | 8 | 7 | 6.9 | 7.8 | 7.8 | 10.7 | 18.5 | 10.3 | 10.8 | 10.9 | 10 | 11.1 | 17.1 |
| 33 | Valence, France | 10.2 | 12.5 | 20 | 13.5 | 6.4 | 8.5 | 9.5 | 7.5 | 6.6 | 8.4 | 7.8 | 8.6 | 13.5 | 11.5 | 10.7 | 10 | 10.9 | 11.2 | -- |
| 34 | Douai, France | 10.2 | 12.7 | 18 | 9.2 | 12.8 | 11.5 | 11.4 | 5.7 | 5.5 | 8.2 | 7.7 | 7.9 | 10.6 | 15.1 | 10.4 | 12 | 12.3 | 15 | 13.5 |
| 35 | Marseille, France | 10.2 | 13.3 | 17.4 | 13.4 | 5.8 | 10.9 | 11.3 | 8.4 | 8.3 | 9.6 | 8.7 | 5.9 | 9.9 | 9.8 | -- | -- | -- | -- | -- |
| 36 | Fos-sur-Mer, France | 10.2 | 11.1 | 17.1 | 11.4 | 6.3 | 8.4 | 9.9 | 8.8 | 8 | 9.3 | 8.8 | 9.4 | 13.9 | 11.2 | 9.9 | 11.6 | -- | -- | -- |
| 37 | Sallanches, France | 10.1 | 12.3 | 15.1 | 11.2 | 6.2 | 7.6 | 11.5 | 8.3 | 7 | 8.6 | 7.4 | 9.9 | 16.5 | -- | -- | -- | -- | -- | -- |
| 38 | Grenoble, France | 10.1 | 16.2 | 20 | 14 | 5.8 | 8 | 9.1 | 6.8 | 6.5 | 8 | 7.1 | 6.2 | 14 | 13.5 | 9.9 | 10.7 | 10.1 | 11.3 | 13.1 |
| 39 | Calais, France | 10.1 | 9.7 | 14.6 | 8.6 | 11.6 | 10.8 | 12.2 | 7.2 | 7 | 14.8 | 8.4 | 7.7 | 9.3 | 9.7 | 8.7 | -- | 10.9 | 10.4 | 10.3 |
| 40 | Fort-de-France, France | 10.1 | 6 | 4.4 | 5.6 | 5 | 8.4 | 12.2 | 17.2 | 14.3 | 10.3 | 9.5 | 10.3 | 7.5 | 8 | 10.2 | 10.2 | 9.3 | -- | -- |
| 41 | Bordeaux, France | 10.1 | 14.3 | 21.1 | 14.1 | 6.6 | 6.7 | 8 | 7.3 | 7.4 | 8.5 | 8.1 | 9.4 | 11.1 | 11.2 | 10.3 | 9.9 | -- | -- | -- |
| 42 | Dax, France | 10.1 | 13.1 | 21.5 | 12.1 | 6.8 | 8.5 | 8.1 | 6.1 | 6.8 | 8.1 | 10.2 | -- | -- | 10.2 | 9.9 | 10.4 | 9.2 | 8.9 | 9.5 |
| 43 | Marseille, France | 10.1 | 13.8 | 18.4 | 13.1 | 6.5 | 8.9 | 10.9 | 8.7 | 8.1 | 9.1 | 8.2 | 6 | 9.9 | 11.6 | 10.1 | 9.6 | 10.7 | 12.4 | 14.6 |
| 44 | Salaise-sur-Sanne, France | 10 | 12.5 | 17.9 | 11.8 | 6.8 | 8.2 | 8.8 | 6.5 | 4.4 | 7.1 | 7.3 | -- | 18.6 | 7.6 | 10.4 | 9.2 | 10 | 14.7 | 13 |
| 45 | Gennevilliers, France | 9.9 | 10.3 | 20.1 | 9 | 9.8 | 10.1 | 10.9 | 6.3 | 6 | 8.8 | 9.2 | 7.8 | 10.2 | 10.8 | 11.1 | 9 | 11.9 | 13 | 12.7 |
| 46 | Beauvais, France | 9.8 | 11 | 18.2 | 10.1 | 11 | 11.2 | 12.7 | 5.1 | 4.9 | 8.3 | 7.8 | 5.2 | 9.6 | 8.5 | 11.4 | 9.9 | -- | -- | -- |
| 47 | Gonesse, France | 9.8 | 11.2 | 19.6 | 12.6 | 9.8 | 10 | 10.7 | 7.1 | 6.5 | 7.9 | 7.9 | 7.2 | 8.5 | 10.8 | 11.1 | 9.5 | 11.1 | 12.4 | 12 |
| 48 | Saint-Quentin, France | 9.7 | 10.9 | 16.4 | 9.2 | 10.7 | 11.4 | 11.3 | 6.6 | 7 | 8.5 | 8.2 | 7.6 | 9.3 | 11.6 | 12.6 | 11.1 | 12.2 | 14.3 | 13.4 |
| 49 | Talence, France | 9.7 | 12.9 | 20.7 | 13.6 | 6.2 | 7.6 | 7.9 | 6.1 | 6.9 | 8.4 | 7.3 | 9.4 | 10.8 | 19.2 | 10.3 | 9.7 | 9.4 | 10.6 | 12 |
| 50 | Juvignac, France | 9.7 | 10.3 | 16.4 | 11.9 | 6.2 | 7.1 | 10.6 | 8.5 | 8 | 9 | -- | -- | -- | -- | -- | -- | -- | -- | -- |
1-50 of 219
1
2
3
4
5
Jump to page:
Stay Informed. Download #1 air quality app
Rated 4.8Air pollution forecast, pollution alerts and much more to help you plan your days and keep protected against air pollution
AQI US, Metric