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
8110
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East Meadow

USA

5.1
6.3
7.3
6.1
--
--
--
--
--
8111
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Lancaster

USA

5.1
4
10.1
6.5
9.6
8.1
8.3
--
--
8112
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Montauk

USA

5.1
4.6
7.2
--
--
--
--
--
--
8113
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North Creek

USA

5.1
--
--
--
--
--
--
--
--
8114
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Marmarth

USA

5.1
6.3
10.7
--
--
--
--
--
--
8115
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Beavercreek

USA

5.1
4.5
6.8
9.3
8.5
--
--
--
--
8116
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Beaverton

USA

5.1
4.7
6.4
9
6.6
10.7
6.9
6.5
6.2
8117
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Camp Sherman

USA

5.1
7.7
9.3
6.7
--
--
--
--
--
8118
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Cove

USA

5.1
5.4
5.1
5.8
7.8
--
--
--
--
8119
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Salem

USA

5.1
4.7
6.5
9.3
6.4
11
7.2
7.8
6.6
8120
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Silver Lake

USA

5.1
7.6
--
--
--
--
--
--
--
8121
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Narragansett Pier

USA

5.1
6.2
--
--
--
--
--
--
--
8122
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Spearfish

USA

5.1
6.6
8.4
5.5
10.7
--
--
--
--
8123
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Rosharon

USA

5.1
--
--
--
--
--
--
--
--
8124
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Moab

USA

5.1
4.7
3.5
2.1
8.3
7.9
4.7
--
--
8125
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Ogden

USA

5.1
6.4
5.9
5.7
8.9
7.3
5.6
9.2
7.6
8126
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South Ogden

USA

5.1
6
5.5
5.7
9.8
--
--
--
--
8127
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St. George

USA

5.1
--
--
--
--
--
--
--
--
8128
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Bennington

USA

5.1
4.6
6.8
5.5
6.6
5.6
5.8
6.1
5.7
8129
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Hyde Park

USA

5.1
4.8
5.8
2.4
6.3
6.7
6.8
--
--
8130
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Darrington

USA

5.1
4.1
5.9
16
8.2
8.7
7.2
7.1
9.5
8131
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East Renton Highlands

USA

5.1
4.1
6.1
9.1
--
--
--
--
--
8132
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Hamilton

USA

5.1
3.4
--
--
--
--
--
--
--
8133
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Index

USA

5.1
3.8
6.1
12.7
--
--
--
--
--
8134
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Kingsgate

USA

5.1
4.6
4.5
--
--
--
--
--
--
8135
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Tacoma

USA

5.1
4.6
6.7
9.7
6.2
8.3
7.9
7.9
8.2
8136
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Clinton

Australia

5
5.4
6.2
5.2
5.2
5.9
8.8
8.8
4
8137
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Mountain Creek

Australia

5
5.7
5.9
6
5.7
--
--
--
--
8138
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Mutdapilly

Australia

5
6.2
6.7
5.2
5.4
--
--
--
--
8139
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Targinnie

Australia

5
4.8
5.7
--
--
--
--
--
--
8140
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Huonville

Australia

5
4.8
4.3
4.8
4.6
6.1
7.5
6.1
5.9
8141
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Balwyn

Australia

5
5.6
5.3
--
--
--
--
--
--
8142
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Melton South

Australia

5
5.8
4.8
--
--
--
--
--
--
8143
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Morwell

Australia

5
5
4.9
4.3
6.3
9.3
7.6
6.5
6.7
8144
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Mount Beauty

Australia

5
6.5
3.4
--
--
--
--
--
--
8145
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Albany

Australia

5
4.5
1.1
1.1
1.6
--
--
--
--
8146
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Kalgoorlie

Australia

5
3.6
1.3
1.1
5.1
5.1
6.5
5.2
--
8147
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Perth

Australia

5
4.2
3.4
4.9
7
--
--
--
--
8148
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Sinop

Brazil

5
5.3
14.3
--
--
--
--
--
--
8149
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Recife

Brazil

5
5.6
4.9
--
--
--
--
--
--
8150
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Corrego Grande

Brazil

5
3.7
--
--
--
--
--
--
--
8151
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Duncan

Canada

5
4.7
6.6
8.8
6.8
8.2
8.5
--
--
8152
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Hope

Canada

5
3.9
7.3
9.7
6.1
5.3
5
--
--
8153
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New Westminster

Canada

5
4.4
6.2
7.5
6.2
8.3
7.3
--
--
8154
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Grand Manan

Canada

5
4.5
--
--
--
--
--
--
--
8155
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Miramichi

Canada

5
4.4
6.8
7.4
--
--
--
--
--
8156
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Kemi

Finland

5
5.4
4.6
5.1
--
--
--
--
--
8157
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Nilsiae

Finland

5
5.3
--
--
--
--
--
--
--
8158
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Lahti

Finland

5
4.6
4.2
4.7
5.1
6.2
4.6
5.3
--
8159
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Rageade

France

5
3.8
4.9
4.3
5.4
4.9
--
--
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