2017-2025

World's most polluted cities

The most polluted cities according to data aggregated from over 80,000 data points.

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2025

World Air Quality Report

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2025

World Air Quality Report

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PM2.5 legend
0-5Meets WHO guideline
5.1-10Exceeds by 1 to 2 times
10.1-15Exceeds by 2 to 3 times
15.1-25Exceeds by 3 to 5 times
25.1-35Exceeds by 5 to 7 times
35.1-50Exceeds by 7 to 10 times
>50.1Exceeds by over 10 times
RankCity202520242023202220212020201920182017
604
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Vendenheim

France

11.8
9
7.9
--
--
--
--
--
--
605
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Mutlangen

Germany

11.8
13.3
--
--
--
--
--
--
--
606
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Stadtbergen

Germany

11.8
--
--
--
--
--
--
--
--
607
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Pelopi

Greece

11.8
11.7
--
--
--
--
--
--
--
608
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Székesfehérvár

Hungary

11.8
12.9
9.5
14.8
13.3
14.9
--
--
--
609
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Supino

Italy

11.8
--
--
--
--
--
--
--
--
610
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Belluno

Italy

11.8
11.8
--
--
--
--
--
--
--
611
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Roden

Netherlands

11.8
13.3
--
--
--
--
--
--
--
612
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Jaslo

Poland

11.8
10.2
12.1
13.4
15.9
13.2
--
--
--
613
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Banska Bystrica

Slovakia

11.8
12.7
12
12.3
16.5
15.8
15.3
17.6
19.7
614
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Hrastnik

Slovenia

11.8
14.5
13.6
13.8
16.1
--
--
--
--
615
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Ponferrada

Spain

11.8
15.6
20.4
10.6
10.7
--
--
--
--
616
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Schonenbuch

Switzerland

11.8
19.1
--
--
--
--
--
--
--
617
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Bern

Switzerland

11.8
7.2
9.1
10.5
9.8
9.4
10.9
12.8
13.5
618
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La Sarraz

Switzerland

11.8
9.3
10.9
--
--
--
--
--
--
619
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Earlsfield

United Kingdom

11.8
9.2
10.2
11.4
--
--
--
--
--
620
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Wolfsberg

Austria

11.7
12.7
12.7
13.1
13
12.8
13.9
--
--
621
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Klosterneuburg

Austria

11.7
10.7
9.9
9.1
12.8
--
--
--
--
622
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Berndorf

Austria

11.7
10
10.4
--
--
--
--
--
--
623
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Wels

Austria

11.7
9.6
8.2
10.5
10.9
11.1
12.2
15.3
13.5
624
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Pyrgos

Cyprus

11.7
11.9
--
--
--
--
--
--
--
625
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Hodonín

Czech Republic

11.7
13.3
15.6
11.8
9.9
--
14.8
16.6
17.8
626
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Kadaň

Czech Republic

11.7
10.9
10.3
11.5
11.9
11.2
12.8
18.8
14.8
627
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Béthune

France

11.7
7.2
10.7
12.4
11.6
10.3
11.4
13.9
13.4
628
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Palaiseau

France

11.7
20.3
--
--
--
--
--
--
--
629
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Flers

France

11.7
14.3
--
--
--
--
--
--
--
630
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Ratingen

Germany

11.7
8.7
8.1
10.3
10.3
--
--
--
--
631
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Worms

Germany

11.7
10.8
9.8
11.9
11.3
10.9
11.9
13.1
13.7
632
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Papa

Hungary

11.7
11.4
--
--
--
--
--
--
--
633
flag

Komárno

Hungary

11.7
14.3
12.9
--
--
--
--
--
--
634
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Ingija

Serbia

11.7
--
--
--
--
--
--
--
--
635
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Ljubljana

Slovenia

11.7
15.6
15.9
16.2
18.8
--
--
--
--
636
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Santa Perpetua de Mogoda

Spain

11.7
24.1
--
--
--
--
--
--
--
637
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Feltham

United Kingdom

11.7
11.7
12.7
--
--
--
--
--
--
638
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Vöcklabruck

Austria

11.6
9.2
10.1
--
--
--
--
--
--
639
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Pyla

Cyprus

11.6
9.7
--
--
--
--
--
--
--
640
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Kutná Hora

Czech Republic

11.6
12
10.8
13
16
--
12
--
--
641
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Srubec

Czech Republic

11.6
11.3
11
13.1
5.4
--
8.1
--
--
642
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Nemcicky

Czech Republic

11.6
10.1
--
--
--
--
--
--
--
643
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Wissen

Germany

11.6
14.4
--
--
--
--
--
--
--
644
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San Nicola la Strada

Italy

11.6
--
--
--
--
--
--
--
--
645
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Rimini

Italy

11.6
16.5
15.9
15.8
12.9
--
--
--
--
646
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Laces

Italy

11.6
10.4
11.2
12.3
13.1
13.4
11.6
--
--
647
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Wygryny

Poland

11.6
11.2
10.6
--
--
--
--
--
--
648
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Kolobrzeg

Poland

11.6
10.3
8.7
--
--
--
--
--
--
649
flag

Maribor

Slovenia

11.6
13.1
11.7
13.8
14.4
--
--
--
--
650
flag

Molina de Segura

Spain

11.6
12.5
--
--
--
--
--
--
--
651
flag

Bromley

United Kingdom

11.6
9.3
10.3
10.6
9.7
--
--
--
--
652
flag

Holloway

United Kingdom

11.6
9.5
8
--
--
--
--
--
--
653
flag

Islington

United Kingdom

11.6
10.9
7.2
--
--
--
--
--
--
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