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
954
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Villmergen

Switzerland

10
10.3
9
--
--
--
--
--
--
955
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Kreuzlingen

Switzerland

10
13
--
--
--
--
--
--
--
956
flag

Rotkreuz

Switzerland

10
7.6
11.5
14.5
16.1
15.4
16.3
--
--
957
flag

Kirikareli

Turkey

10
11.3
12.6
13.2
--
--
--
--
--
958
flag

Kyiv

Ukraine

10
9.4
8.9
9.5
18.8
19.2
16.6
13.8
9.8
959
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Brighton

United Kingdom

10
7.2
8.9
11.5
11.5
10.6
--
--
--
960
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Hammersmith

United Kingdom

10
7.9
7.9
9.7
--
--
--
--
--
961
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Eisenstadt

Austria

9.9
12.7
12
11
10.4
10.1
11.3
14
12.8
962
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Lienz

Austria

9.9
9.2
--
--
--
--
--
--
--
963
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Stabroek

Belgium

9.9
9.5
10.1
11.8
12.9
11.9
11.7
13.6
13.6
964
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Steenokkerzeel

Belgium

9.9
8.8
--
--
--
--
--
--
--
965
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Valence

France

9.9
9.8
10.2
11.5
10.7
10
10.9
11.2
--
966
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Kilstett

France

9.9
8.2
9.2
--
--
--
--
--
--
967
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Nancy

France

9.9
8.5
8.4
11.4
10.5
9.5
9.4
10.9
10.8
968
flag

Rognac

France

9.9
9
10.6
9.9
11.1
10.9
--
--
--
969
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Schwabisch Hall

Germany

9.9
11.7
--
--
--
--
--
--
--
970
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Sontheim an der Brenz

Germany

9.9
8.5
--
--
--
--
--
--
--
971
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Nuremberg

Germany

9.9
9.3
9.5
16.3
--
--
--
--
--
972
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Senden

Germany

9.9
--
--
--
--
--
--
--
--
973
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Hagen

Germany

9.9
9.9
10.2
13
12.6
14.1
--
--
--
974
flag

Wegberg

Germany

9.9
9.7
--
--
--
--
--
--
--
975
flag

Rethymno

Greece

9.9
11.2
--
--
--
--
--
--
--
976
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Pyrgos

Greece

9.9
4.1
12.3
17.7
18.7
--
--
--
--
977
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Glogovac

Kosovo

9.9
10.5
6.8
4.3
11.4
12.5
15.6
--
--
978
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Breda

Netherlands

9.9
9.4
8.6
11.4
10.5
9.1
11.5
14.1
11.6
979
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Lørenskog

Norway

9.9
9.4
8.8
--
--
--
--
--
--
980
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Kamnik

Slovenia

9.9
16.4
--
--
--
--
--
--
--
981
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Girona

Spain

9.9
9.6
--
--
--
--
--
--
--
982
flag

Almoradi

Spain

9.9
--
--
--
--
--
--
--
--
983
flag

Pregassona

Switzerland

9.9
9.1
10.3
11.6
10.9
--
--
--
--
984
flag

Kherson

Ukraine

9.9
13.2
--
--
--
--
--
--
--
985
flag

Pochaiv

Ukraine

9.9
--
--
--
--
--
--
--
--
986
flag

London

United Kingdom

9.9
7.8
8.4
9.6
9.8
9.6
11.4
12
12.7
987
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Rainham

United Kingdom

9.9
7.4
7.8
--
--
--
--
--
--
988
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Worthing

United Kingdom

9.9
10
8.3
9.7
8.6
8.3
10
--
--
989
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Dornbirn

Austria

9.8
10.7
10.5
10.8
8.9
--
--
--
--
990
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Cartignies

France

9.8
8.4
8.1
9.6
7.8
--
--
--
--
991
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Neuilly-Saint-Front

France

9.8
8.1
7
9.6
9.4
--
--
--
--
992
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Saint-Quentin

France

9.8
9.2
9.7
11.6
12.6
11.1
12.2
14.3
13.4
993
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Achères

France

9.8
8.4
9.5
10.5
--
--
--
--
--
994
flag

Gonesse

France

9.8
7.8
9.8
10.8
11.1
9.5
11.1
12.4
12
995
flag

La Penne-sur-Huveaune

France

9.8
--
--
--
--
--
--
--
--
996
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Memmingen

Germany

9.8
--
--
--
--
--
--
--
--
997
flag

Raunheim

Germany

9.8
8.5
8
9
9.6
9.7
10.7
12.6
--
998
flag

Wetzlar

Germany

9.8
8.3
5.5
7.5
8.3
--
--
--
--
999
flag

Duisburg

Germany

9.8
9.1
10.8
12.5
13.2
11.8
12.3
13.2
12.5
1000
flag

Cholargos

Greece

9.8
9.8
11.2
--
--
--
--
--
--
1001
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Korydallos

Greece

9.8
--
--
--
--
--
--
--
--
1002
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San Salvo

Italy

9.8
9.8
--
--
--
--
--
--
--
1003
flag

Hani i Elezit

Kosovo

9.8
11.1
12
--
--
--
--
--
--
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