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
5475
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Murayama

Japan

7.6
6.4
7.7
7.1
8.2
8.3
8.3
8.6
8.1
5476
flag

Drammen

Norway

7.6
8.4
8.8
8.9
9.5
7.3
--
--
--
5477
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Fredrikstad

Norway

7.6
9.2
7.7
8.1
9.5
7
8.4
8.8
9
5478
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Leon

Spain

7.6
8.6
8
7.7
8.6
--
--
--
--
5479
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Veyras

Switzerland

7.6
6.7
8.9
11.2
--
--
--
--
--
5480
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Barnack

United Kingdom

7.6
6.6
--
--
--
--
--
--
--
5481
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Eastbourne

United Kingdom

7.6
6.7
7.6
8.8
7.8
8.1
10.8
12.6
11.4
5482
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Middle Rasen

United Kingdom

7.6
6.4
5.7
--
--
--
--
--
--
5483
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Norton Canes

United Kingdom

7.6
5
--
--
--
--
--
--
--
5484
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Stockton-on-Tees

United Kingdom

7.6
7.3
7.5
7.9
7.9
7.5
8.8
9.8
8.5
5485
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Swindon

United Kingdom

7.6
6.3
6.7
9.4
10.8
--
--
--
--
5486
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Totnes

United Kingdom

7.6
6.6
8
8.3
7.8
--
--
--
--
5487
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Westbury

United Kingdom

7.6
5.7
8.3
10.5
11.3
--
--
--
--
5488
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Ashland

USA

7.6
5.9
7.9
--
--
--
--
--
--
5489
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Leeds

USA

7.6
8.9
11
9.4
10.4
--
11.2
9.7
9.1
5490
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Waldo

USA

7.6
--
--
--
--
--
--
--
--
5491
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Fayetteville

USA

7.6
6.9
8
6.7
8.1
6.9
--
--
--
5492
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Rogers

USA

7.6
6.9
9.3
--
--
--
--
--
--
5493
flag

Bella Vista

USA

7.6
6.2
11.9
2.5
22.8
--
--
--
--
5494
flag

Hasley Canyon

USA

7.6
5.2
--
--
--
--
--
--
--
5495
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Huntington Beach

USA

7.6
7.3
8
10.1
13.4
--
--
--
--
5497
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Westlake Village

USA

7.6
7.8
7.6
7.7
11.2
--
--
--
--
5498
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Cherry Hills Village

USA

7.6
6
--
--
--
--
--
--
--
5499
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Lake City

USA

7.6
13.1
6.1
8.3
14.1
--
--
--
--
5500
flag

Windsor Locks

USA

7.6
--
--
--
--
--
--
--
--
5501
flag

Bowling Green

USA

7.6
7.8
7.2
--
--
--
--
--
--
5502
flag

North Decatur

USA

7.6
--
--
--
--
--
--
--
--
5503
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Bloomington

USA

7.6
6.5
10.2
10.4
13.3
--
8.4
9.8
6.5
5505
flag

New Albany

USA

7.6
6.7
8.4
--
--
--
--
--
--
5506
flag

Hopkinsville

USA

7.6
7
9.4
9.2
10.5
--
--
--
--
5507
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Erath

USA

7.6
7.4
9.5
--
--
--
--
--
--
5508
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Rumford

USA

7.6
5.8
7.6
13.9
12.1
5.1
5.4
6.4
7.1
5509
flag

Aspen Hill

USA

7.6
--
--
--
--
--
--
--
--
5510
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Chevy Chase View

USA

7.6
--
--
--
--
--
--
--
--
5511
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College Park

USA

7.6
8.4
10.9
1.6
--
--
--
--
--
5512
flag

Queen Anne

USA

7.6
7.2
--
--
--
--
--
--
--
5513
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Takoma Park

USA

7.6
6.3
8.9
7.9
11.9
--
--
--
--
5514
flag

Thurmont

USA

7.6
8
11.2
--
--
--
--
--
--
5515
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Montague

USA

7.6
9.4
--
--
--
--
--
--
--
5516
flag

Oxford

USA

7.6
7.7
8.9
2.7
--
--
--
--
--
5517
flag

Chassell

USA

7.6
5.2
--
--
--
--
--
--
--
5518
flag

Lexington

USA

7.6
6.9
11.9
10
12.8
11.1
11.5
--
--
5519
flag

Pequot Lakes

USA

7.6
4.7
9.1
5.8
8.3
--
--
--
--
5520
flag

Lee's Summit

USA

7.6
7.8
12
9.9
12.6
--
--
--
--
5521
flag

Malcolm

USA

7.6
7.3
--
--
--
--
--
--
--
5522
flag

Omaha

USA

7.6
8
10.8
7.3
11.3
9.5
9.1
8.5
9.6
5523
flag

Flemington

USA

7.6
7.4
9
7.2
8
7.7
8.1
8.1
8.2
5524
flag

Glen Rock

USA

7.6
7.5
9.9
--
--
--
--
--
--
5525
flag

Madison

USA

7.6
--
--
--
--
--
--
--
--
5526
flag

Salem

USA

7.6
8.1
10.2
6.7
9
--
10.5
--
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