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Most Polluted Cities in Europe

European cities ranked by highest annual PM2.5 concentration. These cities face the greatest challenge meeting EU 2030 clean air targets.

#	City	Country	PM2.5	PM10	NO₂	AQI	2030 Status
1	Katowice	Poland	23.0	43.7	34.5	23	✗NOT ON TRACK
2	Plovdiv	Bulgaria	22.5	43.9	29.3	23	✗NOT ON TRACK
3	Krakow	Poland	22.1	42.0	33.2	22	✗NOT ON TRACK
4	Sofia	Bulgaria	20.0	39.0	26.0	20	✗NOT ON TRACK
5	Bucharest	Romania	18.8	34.8	26.3	19	✗NOT ON TRACK
6	Turin	Italy	18.2	29.1	36.4	18	✗NOT ON TRACK
7	Milan	Italy	17.9	28.6	35.8	18	✗NOT ON TRACK
8	Lodz	Poland	17.2	32.7	25.8	17	✗NOT ON TRACK
9	Timisoara	Romania	17.2	31.8	24.1	17	✗NOT ON TRACK
10	Constanta	Romania	17.2	31.8	24.1	17	✗NOT ON TRACK
11	Wroclaw	Poland	16.5	31.4	24.8	17	✗NOT ON TRACK
12	Warsaw	Poland	16.2	30.8	24.3	16	✗NOT ON TRACK
13	Thessaloniki	Greece	16.0	28.8	24.0	16	✗NOT ON TRACK
14	Poznan	Poland	15.3	29.1	23.0	15	✗NOT ON TRACK
15	Budapest	Hungary	15.2	24.3	25.8	15	✗NOT ON TRACK
16	Split	Croatia	15.2	24.3	25.8	15	✗NOT ON TRACK
17	Debrecen	Hungary	15.2	24.3	25.8	15	✗NOT ON TRACK
18	Zagreb	Croatia	15.0	24.0	25.5	15	✗NOT ON TRACK
19	Nicosia	Cyprus	15.0	24.0	25.5	15	✗NOT ON TRACK
20	Bologna	Italy	14.2	22.7	28.4	14	✗NOT ON TRACK
21	Palermo	Italy	14.2	22.7	28.4	14	✗NOT ON TRACK
22	Genoa	Italy	14.2	22.7	28.4	14	✗NOT ON TRACK
23	Athens	Greece	14.1	25.4	21.2	14	✗NOT ON TRACK
24	Graz	Austria	14.0	22.4	23.8	14	✗NOT ON TRACK
25	Kosice	Slovakia	13.7	21.9	23.3	14	✗NOT ON TRACK
26	Cluj-Napoca	Romania	13.4	24.8	18.8	13	✗NOT ON TRACK
27	Naples	Italy	13.3	21.3	26.6	13	✗NOT ON TRACK
28	Ostrava	Czechia	13.2	21.1	22.4	13	✗NOT ON TRACK
29	Bratislava	Slovakia	13.1	21.0	22.3	13	✗NOT ON TRACK
30	Brno	Czechia	13.0	20.8	22.1	13	✗NOT ON TRACK
31	Rome	Italy	12.8	20.5	25.6	13	✗NOT ON TRACK
32	Ljubljana	Slovenia	12.6	20.2	21.4	13	✗NOT ON TRACK
33	Prague	Czechia	12.5	20.0	21.3	13	✗NOT ON TRACK
34	Gdansk	Poland	12.4	23.6	18.6	12	↗ON TRACK
35	Linz	Austria	12.2	19.5	20.7	12	✗NOT ON TRACK
36	Innsbruck	Austria	12.2	19.5	20.7	12	✗NOT ON TRACK
37	Salzburg	Austria	12.2	19.5	20.7	12	✗NOT ON TRACK
38	Florence	Italy	11.9	19.0	23.8	12	↗ON TRACK
39	Stuttgart	Germany	11.4	17.1	20.5	11	↗ON TRACK
40	Cologne	Germany	11.3	17.0	20.3	11	↗ON TRACK
41	Vienna	Austria	11.3	18.1	19.2	11	↗ON TRACK
42	Paris	France	11.2	16.8	21.3	11	↗ON TRACK
43	Toulouse	France	11.2	16.8	21.3	11	↗ON TRACK
44	Nice	France	11.2	16.8	21.3	11	↗ON TRACK
45	Strasbourg	France	11.2	16.8	21.3	11	↗ON TRACK
46	Ghent	Belgium	11.2	17.9	19.0	11	↗ON TRACK
47	Kaunas	Lithuania	11.2	17.9	19.0	11	↗ON TRACK
48	Valletta	Malta	11.2	17.9	19.0	11	↗ON TRACK
49	Lyon	France	11.1	16.7	21.1	11	↗ON TRACK
50	Vilnius	Lithuania	11.1	17.8	18.9	11	↗ON TRACK