Most polluted cities in France

94 measured cities ranked by PM2.5, last 7 days. Worst: Strasbourg at 11.6 µg/m³, #391 in the world.

#	City	µg/m³
1	Strasbourg Grand Est	11.6
2	Roubaix Hauts-de-France	11.5
3	Nice Provence-Alpes-Côte d'Azur	11.5
4	Paris Île-de-France	11.2
5	Valenciennes Hauts-de-France	10.9
6	Reims Grand Est	10.8
7	Dunkirk Hauts-de-France	10.8
8	Thionville Grand Est	10.2
9	Lille Hauts-de-France	9.8
10	Saint-Quentin Hauts-de-France	9.6
11	Mulhouse Grand Est	9.5
12	Béthune Hauts-de-France	9.5
13	Nancy Grand Est	9.4
14	Beauvais Hauts-de-France	9.4
15	Arles Provence-Alpes-Côte d'Azur	9.4
16	Montpellier Occitanie	9.3
17	Calais Hauts-de-France	9.2
18	Annemasse Auvergne-Rhône-Alpes	9.1
19	Denain Hauts-de-France	9.0
20	Grenoble Auvergne-Rhône-Alpes	8.8
21	Douai Hauts-de-France	8.8
22	Dreux Centre-Val de Loire	8.7
23	Chartres Centre-Val de Loire	8.7
24	Metz Grand Est	8.6
25	Lunéville Grand Est	8.6
26	Coulommiers Île-de-France	8.6
27	Creil Hauts-de-France	8.5
28	Cannes Provence-Alpes-Côte d'Azur	8.5
29	Auxerre Bourgogne-Franche-Comté	8.5
30	Toulouse Occitanie	8.3
31	Amiens Hauts-de-France	8.2
32	Tarbes Occitanie	8.1
33	Lyon Auvergne-Rhône-Alpes	8.1
34	Avignon Provence-Alpes-Côte d'Azur	8.1
35	Albertville Auvergne-Rhône-Alpes	8.1
36	Perpignan Occitanie	8.0
37	Pau New Aquitaine	8.0
38	Nîmes Occitanie	8.0
39	Marseille Provence-Alpes-Côte d'Azur	8.0
40	Orléans Centre-Val de Loire	7.9
41	Arras Hauts-de-France	7.9
42	Rambouillet Île-de-France	7.7
43	Mont-de-Marsan New Aquitaine	7.7
44	Domont Île-de-France	7.7
45	Brest Brittany	7.7
46	Romans-sur-Isère Auvergne-Rhône-Alpes	7.6
47	Montargis Centre-Val de Loire	7.6
48	Bordeaux New Aquitaine	7.6
49	Saint-Dizier Grand Est	7.5
50	Poitiers New Aquitaine	7.5
51	Marignane Provence-Alpes-Côte d'Azur	7.5
52	Étampes Île-de-France	7.5
53	Boulogne-sur-Mer Hauts-de-France	7.5
54	Castres Occitanie	7.4
55	Albi Occitanie	7.4
56	Aix-en-Provence Provence-Alpes-Côte d'Azur	7.4
57	Rennes Brittany	7.3
58	Olivet Centre-Val de Loire	7.3
59	Lormont New Aquitaine	7.2
60	Joué-lès-Tours Centre-Val de Loire	7.2
61	Dole Bourgogne-Franche-Comté	7.2
62	Chambéry Auvergne-Rhône-Alpes	7.2
63	Valence Auvergne-Rhône-Alpes	7.1
64	Salon-de-Provence Provence-Alpes-Côte d'Azur	7.1
65	Lourdes Occitanie	7.1
66	Bourg-en-Bresse Auvergne-Rhône-Alpes	7.0
67	Villefranche-sur-Saône Auvergne-Rhône-Alpes	6.9
68	Périgueux New Aquitaine	6.9
69	Montbéliard Bourgogne-Franche-Comté	6.8
70	Meyzieu Auvergne-Rhône-Alpes	6.8
71	Villefontaine Auvergne-Rhône-Alpes	6.5
72	Tours Centre-Val de Loire	6.5
73	Saint-Étienne Auvergne-Rhône-Alpes	6.4
74	Blois Centre-Val de Loire	6.4
75	Meylan Auvergne-Rhône-Alpes	6.3
76	Lorient Brittany	6.3
77	Épinal Grand Est	6.3
78	Angoulême New Aquitaine	6.2
79	Vannes Brittany	6.1
80	Châteauroux Centre-Val de Loire	6.1
81	Bourges Centre-Val de Loire	6.1
82	Moulins Auvergne-Rhône-Alpes	6.0
83	Fontainebleau Île-de-France	6.0
84	Nevers Bourgogne-Franche-Comté	5.9
85	Rodez Occitanie	5.8
86	Limoges New Aquitaine	5.8
87	Vichy Auvergne-Rhône-Alpes	5.5
88	Quimper Brittany	5.5
89	Niort New Aquitaine	5.4
90	Montluçon Auvergne-Rhône-Alpes	5.4
91	Clermont-Ferrand Auvergne-Rhône-Alpes	4.7
92	Ajaccio Corsica	4.6
93	Bastia Corsica	4.3
94	Aurillac Auvergne-Rhône-Alpes	4.2

Good 0–9.0Moderate 9.1+Unhealthy for sensitive groups 35.5+Unhealthy 55.5+Very unhealthy 125.5+Hazardous 225.5+No data

Estimated: cities without a monitor

France cities we can't measure, with model estimates for the last 7 days. Listed by population, not ranked: estimates aren't precise enough to rank. Model estimates from the Copernicus Atmosphere Monitoring Service (CAMS), adjusted to measured cities nearby where there are any. Adjusted, a single day lands within ×1.5 of what a monitor would read about two times in three; unadjusted, it can be off by half or double. Treat them as a guide, not a measurement.

City	7-day estimate	Band
Marne La Vallée estimated	≈ 9 µg/m³	Good
Paris 15 Vaugirard estimated	≈ 11 µg/m³	Moderate
Paris 20 Ménilmontant estimated	≈ 11 µg/m³	Moderate
Cergy-Pontoise estimated	≈ 9 µg/m³	Good
Paris 18 Buttes-Montmartre estimated	≈ 11 µg/m³	Moderate
Paris 13 Gobelins estimated	≈ 11 µg/m³	Moderate
Paris 19 Buttes-Chaumont estimated	≈ 11 µg/m³	Moderate
Toulon estimated	≈ 8 µg/m³	Good
Paris 16 Passy estimated	≈ 11 µg/m³	Moderate
Paris 17 Batignolles-Monceau estimated	≈ 11 µg/m³	Moderate
Saint-Quentin-en-Yvelines estimated	≈ 9 µg/m³	Good
Paris 11 Popincourt estimated	≈ 11 µg/m³	Moderate
Paris 12 Reuilly estimated	≈ 11 µg/m³	Moderate
Paris 14 Observatoire estimated	≈ 11 µg/m³	Moderate
Villeurbanne estimated	≈ 8 µg/m³	Good
Montreuil estimated	≈ 11 µg/m³	Moderate
Boulogne-Billancourt estimated	≈ 11 µg/m³	Moderate
Argenteuil estimated	≈ 11 µg/m³	Moderate
Tourcoing estimated	≈ 10 µg/m³	Moderate
Saint-Denis estimated	≈ 11 µg/m³	Moderate
Marseille 13 estimated	≈ 9 µg/m³	Moderate
Asnières-sur-Seine estimated	≈ 11 µg/m³	Moderate
Nanterre estimated	≈ 11 µg/m³	Moderate
Versailles estimated	≈ 9 µg/m³	Moderate
Courbevoie estimated	≈ 11 µg/m³	Moderate
Créteil estimated	≈ 11 µg/m³	Moderate
Paris 10 Entrepôt estimated	≈ 11 µg/m³	Moderate
Colombes estimated	≈ 11 µg/m³	Moderate
Vitry-sur-Seine estimated	≈ 11 µg/m³	Moderate
Aulnay-sous-Bois estimated	≈ 11 µg/m³	Moderate
Marseille 08 estimated	≈ 9 µg/m³	Moderate
Marseille 15 estimated	≈ 9 µg/m³	Moderate
Marseille 09 estimated	≈ 9 µg/m³	Moderate
Champigny-sur-Marne estimated	≈ 11 µg/m³	Moderate
Rueil-Malmaison estimated	≈ 9 µg/m³	Moderate
Antibes estimated	≈ 9 µg/m³	Good
Gare estimated	≈ 11 µg/m³	Moderate
Saint-Maur-des-Fossés estimated	≈ 11 µg/m³	Moderate
Béziers estimated	≈ 9 µg/m³	Good
Aubervilliers estimated	≈ 11 µg/m³	Moderate

Regions

Auvergne-Rhône-Alpes 18 Bourgogne-Franche-Comté 4 Brittany 5 Centre-Val de Loire 10 Corsica 2 Grand Est 9 Hauts-de-France 13 Île-de-France 6 New Aquitaine 9 Normandy 9 Occitanie 9 Provence-Alpes-Côte d'Azur 8

Updated 2026-10-01 09:07 UTC. Values are PM2.5 in µg/m³ (fine particles), the median of each city's monitors.