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2021 World air quality report
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Rank | City | 2021 | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | 2020 | 2019 | 2018 | 2017 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | ![]() Saint-Denis, France | 17.4 | 22.7 | 19.4 | 20.3 | 18.1 | 12.6 | 14.6 | 15.6 | 13.3 | 16.1 | 17.1 | 21.1 | 17.7 | 15.9 | 16.3 | 17.6 | 19.5 |
2 | ![]() Biot, France | 14.5 | 19.8 | 19.3 | 20.2 | 13 | 7.9 | 14.3 | 12.1 | 11 | 14.8 | 13.5 | 13.3 | 15 | - | - | - | - |
3 | ![]() Roubaix, France | 13.9 | 13 | 17.1 | 20.1 | 17.7 | 10.4 | 13.1 | 11.4 | 8.8 | 15.6 | 11.8 | 15.2 | 14.4 | - | 14.2 | 14.9 | 14.9 |
4 | ![]() Paris, France | 13.7 | 17.4 | 17.5 | 19.1 | 17.8 | 8.3 | 11 | 11 | 7.9 | 13.2 | 12.2 | 16.3 | 13.4 | 12.2 | 14.7 | 15.6 | 15.4 |
5 | ![]() Saint-Andre, France | 13.7 | - | 24.9 | 18.2 | 12.8 | 7.2 | 13.8 | 11.9 | 10.9 | 14.6 | 13.1 | 14.7 | 17.7 | - | - | - | - |
6 | ![]() Mantes-La-Jolie, France | 13.4 | 21.4 | 16.9 | 19.4 | 18.8 | 7.7 | 10.9 | 10.2 | 7.4 | 13.9 | 13.3 | 3.3 | 1.8 | - | - | - | - |
7 | ![]() Saint-Quentin, France | 12.6 | 14.2 | 14.2 | 16.3 | 17.5 | 8.2 | 12.7 | 12.3 | 8.2 | 11.2 | 10.5 | 13.3 | 12.3 | 11.1 | 12.2 | 14.3 | 13.4 |
8 | ![]() La Mulatiere, France | 12.5 | 16.6 | 16.9 | 14.8 | 10.2 | 7.2 | 9.6 | 10.2 | 8.5 | 9.8 | 12.3 | 14.7 | 18.3 | 14.6 | 12.8 | 14.1 | 15.1 |
9 | ![]() Marignane, France | 12.4 | 16 | 15.1 | 16.3 | 10.9 | 7.6 | 9.1 | 8.2 | 9.1 | 10.3 | 11 | 12.7 | 21.6 | 12 | - | - | - |
10 | ![]() Marseille 16, France | 12.3 | - | - | 15.8 | 13.9 | 7.1 | 12.2 | 10.1 | 9.8 | 12.5 | 12.3 | 12.9 | 16.6 | - | - | - | - |
11 | ![]() Gardanne, France | 12.2 | 15.7 | 14.8 | 15.1 | 10.1 | 7.5 | 10.1 | 9.2 | 10.4 | 8.8 | 10.9 | 14.2 | 19.8 | 11.3 | 11.2 | 12.1 | 12.2 |
12 | ![]() Romans-sur-Isere, France | 12.1 | 16.1 | 17.5 | 15.4 | 10.6 | 4.4 | 8.6 | 7.7 | 7.4 | 8.9 | 10.9 | 16.4 | 21.4 | 11.5 | 9.8 | - | - |
13 | ![]() Valenciennes, France | 12 | - | - | 14.1 | 16.6 | 8.1 | 12.8 | 9.9 | 7.7 | 14.2 | 10.3 | 14.7 | 12.9 | 10 | 11.3 | 15.3 | 15.1 |
14 | ![]() Crolles, France | 11.9 | 20.5 | 21.8 | 13.3 | 8.8 | 4 | 8.1 | 7.2 | 6 | 7.1 | 8.7 | 17.9 | 18.3 | 9.9 | - | - | - |
15 | ![]() Lille, France | 11.9 | 13 | 12.6 | 15.6 | 16.4 | 7.8 | 11.8 | 9.6 | 7.5 | 14.1 | 10 | 13.3 | 12.2 | 10.1 | 11.8 | 14.3 | 14.2 |
16 | ![]() Rouen, France | 11.8 | 17.1 | 13.9 | 14.8 | 13.4 | 7.4 | 9.3 | 8.9 | 7.5 | 10.6 | 10.9 | 15.2 | 13 | 9.6 | 12.5 | 12.6 | 10.7 |
17 | ![]() Lyon, France | 11.7 | 15.6 | 16.6 | 15.2 | 10.3 | 5.6 | 8.8 | 8.5 | 7.7 | 9.7 | 11.3 | 15 | 15 | 11.7 | 11.4 | 11.7 | 15 |
18 | ![]() Amiens, France | 11.7 | 13.8 | 14.9 | 16.8 | 15.3 | 7.8 | 10.3 | 9.5 | 6.7 | 12.3 | 9.6 | 12.1 | 11.5 | - | 11.1 | - | - |
19 | ![]() Mulhouse, France | 11.6 | 12.2 | 16.2 | 13.3 | 10.6 | 5.8 | 11.2 | 8.4 | 8.7 | 11.3 | 13.9 | 16.3 | 11.9 | 12 | 11.7 | 13 | 14.2 |
20 | ![]() Bethune, France | 11.6 | 12.4 | 13 | 16.3 | 15 | 7.8 | 11.3 | 8.7 | 6.3 | 13.7 | 9.7 | 13.8 | 11.7 | 10.3 | 11.4 | 13.9 | 13.4 |
21 | ![]() Beauvais, France | 11.4 | 14.1 | 14.2 | 18 | 16.9 | 10.6 | 10.1 | 10.7 | 5.8 | 8.6 | 7.3 | 8.3 | 8 | 9.9 | - | - | - |
22 | ![]() Creil, France | 11.3 | 14.5 | 14.3 | 15.7 | 15 | 6.3 | 7.7 | 8.4 | 7.9 | 11.7 | 10.8 | 12.6 | 11.6 | 9.9 | 10.1 | 12.5 | 12 |
23 | ![]() Bobigny, France | 11.3 | 15.9 | 14.5 | 16 | 14.5 | 7.3 | 7.8 | 8.7 | 6.7 | 11 | 11 | 12.1 | 10.8 | 10.6 | 10 | 11.2 | 11.2 |
24 | ![]() Frejus, France | 11.3 | 13.9 | 15.1 | 14.5 | 9.5 | 6.7 | 9.5 | 8.4 | 9.2 | 9 | 10.1 | 11.7 | 18 | 11.2 | - | - | - |
25 | ![]() Dieppe, France | 11.2 | 11.3 | 12 | 13.7 | 13.8 | 8.8 | 10 | 10 | 8.5 | 12.8 | 9.4 | 11.9 | 12.5 | 9.6 | 11.2 | 12.4 | - |
26 | ![]() Saint-Martin-d'Heres, France | 11.1 | 15.2 | 17.9 | 12.8 | 8.3 | 3.3 | 8.1 | 7.1 | 6.9 | 8.2 | 8.3 | 15.5 | 18.5 | 9.7 | - | - | - |
27 | ![]() Tours, France | 11.1 | 16.4 | 13.4 | 15.4 | 13 | 7.5 | 8.2 | 8.5 | 6.9 | 8.5 | 10.4 | 13.3 | 11.5 | 10.2 | 11.1 | - | - |
28 | ![]() Gennevilliers, France | 11.1 | 14.5 | 13.7 | 15.8 | 15.3 | 6.2 | 7.9 | 8.2 | 6.7 | 10.1 | 9.8 | 15.8 | 10.5 | 9 | 11.9 | 13 | 12.7 |
29 | ![]() Gonesse, France | 11.1 | 14.9 | 13.9 | 16.1 | 13.9 | 7.1 | 7 | 7.3 | 6.6 | 9 | 10.6 | 14.5 | 12.4 | 9.5 | 11.1 | 12.4 | 12 |
30 | ![]() Rognac, France | 11.1 | 14.2 | 15.3 | 15.2 | 11.1 | 7.8 | 9.8 | 8.6 | 9.4 | 8.9 | 9.3 | 8.6 | 14.8 | 10.9 | - | - | - |
31 | ![]() Strasbourg, France | 10.9 | 12 | 17.8 | 12.9 | 10.5 | 5.3 | 10.3 | 7.5 | 6.9 | 10.2 | 12.5 | 13.5 | 11.7 | 10.6 | 14 | 14.4 | 15.9 |
32 | ![]() Trois-Rivieres, France | 10.9 | 6.7 | 10.1 | 7.4 | 10.2 | 9 | 14.8 | 15.1 | 16.8 | 9.4 | 19.2 | 4.5 | 7.7 | 9.2 | - | - | - |
33 | ![]() Melun, France | 10.9 | 16.8 | 14.3 | 16.2 | 12.8 | 6.7 | 7 | 6.8 | 6.6 | 8.5 | 10.3 | 14.4 | 11.1 | 10.8 | 13.6 | 14.1 | 12.9 |
34 | ![]() Le Havre, France | 10.9 | 11.7 | 12.5 | 14.3 | 13.7 | 8.3 | 9.5 | 8.8 | 7.4 | 11.7 | 9.5 | 11.9 | 11.4 | 8.4 | 9.7 | 10 | 10.1 |
35 | ![]() Passy, France | 10.8 | 19 | 15.3 | 12.6 | 9 | 5.3 | 5.8 | 6.6 | 6 | 6.7 | 7.6 | 15.7 | 20.3 | 10.9 | 10 | 11.1 | 17.1 |
36 | ![]() Reims, France | 10.8 | 12.3 | 13.3 | 16.6 | 15.1 | 7 | 10.4 | 8.9 | 7.6 | 8.3 | 8.3 | 11.9 | 10.3 | 10 | 11.2 | 13.1 | 13.3 |
37 | ![]() Campagne-les-Boulonnais, France | 10.8 | 8.8 | 12.8 | 15.1 | 13.7 | 8.4 | 10.7 | 9.2 | 6.5 | 13.6 | 9.7 | 10.2 | 12.2 | 9.1 | 9.9 | 12.8 | 11.3 |
38 | ![]() Ternay, France | 10.7 | 14.6 | 14.3 | 12.5 | 8 | 4.8 | 7.9 | 7.5 | 7.4 | 8.1 | 10.1 | 16 | 16.3 | 9 | - | - | - |
39 | ![]() Valence, France | 10.7 | 14.5 | 15.3 | 13.4 | 10 | 4.2 | 7.8 | 7.3 | 7.2 | 8.3 | 9.6 | 14.7 | 16.1 | 10 | 10.9 | 11.2 | - |
40 | ![]() Vitry-Sur-Seine, France | 10.7 | 15.1 | 14.7 | 15.6 | 13.3 | 5.2 | 7.2 | 7.8 | 7.1 | 9 | 9.1 | 13.2 | 11 | 10.1 | 10.9 | 13.4 | 11.8 |
41 | ![]() Chambery, France | 10.6 | 12.2 | 14.9 | 11.2 | 7.4 | 3.3 | 6.9 | 5.9 | 5.9 | 8.7 | 10.2 | 18.6 | 18.9 | 8.7 | 8.6 | 10.6 | 13.3 |
42 | ![]() Lunéville, France | 10.5 | 10.2 | 15.1 | 14.3 | 11 | 5.7 | 11 | 8.2 | 7.8 | 9.4 | 10.9 | 12.7 | 10.1 | 10.2 | 10.5 | 12.2 | 12.1 |
43 | ![]() Nancy, France | 10.5 | 10.1 | 12.2 | 12.9 | 11.6 | 6.5 | 12.7 | 8.6 | 7.8 | 9.5 | 10.4 | 12.9 | 11.2 | 9.5 | 9.4 | 10.9 | 10.8 |
44 | ![]() Saint-Martin-Boulogne, France | 10.5 | 10.7 | 12.3 | 14.3 | 11.9 | 8.2 | 11.2 | 10 | 6.4 | 12.5 | 8.6 | 10.5 | 10.4 | - | - | - | - |
45 | ![]() Avignon, France | 10.5 | 11.5 | 17.2 | 14.3 | 9.6 | 4.2 | 8 | 6.8 | 7.3 | 8.4 | 9.8 | 12.2 | 17 | 10.3 | 11 | 11.8 | 12.7 |
46 | ![]() Vaulx-en-Velin, France | 10.4 | 14.7 | 14.5 | 13.8 | 8.8 | 3.7 | 7.6 | 7.5 | 6.7 | 7.7 | 9.8 | 13.4 | 14.8 | 10.7 | 10.6 | 10.8 | 11.4 |
47 | ![]() Saint-Jean-de-Braye, France | 10.4 | 15.7 | 12.4 | 15.1 | 12 | 4.5 | 5.6 | 7 | 5.9 | 7.4 | 10.3 | 16.3 | 12 | 8.9 | 9.9 | 10.7 | 11.9 |
48 | ![]() Douai, France | 10.4 | 12.7 | 14.8 | 13.2 | 17.1 | 6.4 | 10.2 | 8.1 | 6.8 | 11.2 | 7.9 | 10.4 | 10 | 12 | 12.3 | 15 | 13.5 |
49 | ![]() Kuntzig, France | 10.3 | 14 | 13.1 | 14 | 10.8 | 5 | 8 | 7.2 | 6.8 | 7.8 | 9.8 | 14.4 | 11.3 | 8.4 | - | - | - |
50 | ![]() Sainte-Luce, France | 10.3 | 7.4 | 10.8 | 7.6 | 14 | 12.1 | 13.3 | 12.4 | 11.2 | 9.4 | 18 | 4.1 | 6.6 | 9.4 | 8.9 | - | - |