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
1457
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Cannes

France

16.1
9
9.4
11
8.9
8.6
--
--
--
1458
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Kfar Masaryk

Israel

16.1
17.9
18.5
--
--
--
--
--
--
1459
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Chișinău

Moldova

16.1
14.7
15.7
22.6
34.7
--
--
--
--
1460
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Kielce

Poland

16.1
18.6
15.5
16.2
22.3
16.5
20.1
--
--
1461
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Novi Sad

Serbia

16.1
17.4
17.5
22.4
24
22.2
26.9
--
--
1462
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Uiseong

South Korea

16.1
14.4
13.9
19.1
11.8
--
--
--
--
1463
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Tha Pradu

Thailand

16.1
11
22.2
17.3
--
--
--
--
--
1464
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Nong Han

Thailand

16.1
30.1
--
--
--
--
--
--
--
1465
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Leobersdorf

Austria

16
33.2
--
--
--
--
--
--
--
1466
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San Fernando

Chile

16
17.9
23.2
20.5
21.5
17.7
21
15.3
18.1
1467
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Akropong

Ghana

16
12.5
--
--
--
--
--
--
--
1468
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Este

Italy

16
16.9
--
--
--
--
--
--
--
1469
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Wejherowo

Poland

16
33.2
--
--
--
--
--
--
--
1470
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Glina

Romania

16
16.9
17.9
29.8
--
--
--
--
--
1471
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Rudeni

Romania

16
20.8
18.4
--
--
--
--
--
--
1472
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Middelburg

South Africa

16
20.3
19.1
18.2
16.2
19.8
26.6
--
--
1473
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Jecheon

South Korea

16
10
15.8
20.6
19.6
--
27.3
26.7
29.2
1474
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Wanju

South Korea

16
13.2
15
20.8
15.8
--
--
--
--
1475
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Chang Phueak

Thailand

16
24.6
29.8
--
--
--
--
--
--
1476
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Nong Chom

Thailand

16
33
--
--
--
--
--
--
--
1477
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Sawang Daen Din

Thailand

16
14.8
--
--
--
--
--
--
--
1478
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Bilecik

Turkey

16
14.7
14.7
12
16.4
15.8
17.8
--
--
1479
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Canakkale

Turkey

16
16
14
13.1
13.2
13.5
17.3
--
--
1480
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Linares

Chile

15.9
6.5
23
17.5
17.9
18.7
27.6
25.5
27.1
1481
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Nyíregyháza

Hungary

15.9
15.5
11.8
15.4
17.8
15.7
--
--
--
1482
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Shorashim

Israel

15.9
15.8
23.1
--
--
--
--
--
--
1483
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Kiryat Malakhi

Israel

15.9
16.2
16.8
16.9
16
15.9
19.8
18.9
18.2
1484
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Bnei Brak

Israel

15.9
17.8
19.3
18.7
20
18.8
22.9
--
--
1485
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Krompachy

Slovakia

15.9
18.4
17.2
13.2
19.3
16.4
18.1
18.9
20.7
1486
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Borsky Mikulas

Slovakia

15.9
18.8
--
--
--
--
--
--
--
1487
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Ulsan

South Korea

15.9
14.5
17.3
15.5
14.9
16.3
20.1
--
--
1488
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Mae Hia

Thailand

15.9
25.5
34.9
--
--
--
--
--
--
1489
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Kumluca

Turkey

15.9
15.4
16.5
18.7
--
--
--
--
--
1490
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Varna

Bulgaria

15.8
15.8
18.6
10.7
11.1
14.9
21.8
16.8
12
1491
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Haikou

China

15.8
16.2
15.7
13.1
14.3
14.1
16.3
17.1
19.5
1492
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Telavi

Georgia

15.8
12.8
--
--
--
--
--
--
--
1493
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Bergamo

Italy

15.8
15
14.8
17.6
17.6
17.8
18.5
18
26.4
1494
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Abidjan

Ivory Coast

15.8
24.6
16.6
22.5
26.5
21.9
--
--
--
1495
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Tehuacan

Mexico

15.8
16.6
--
--
--
--
--
--
--
1496
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El Pueblito

Mexico

15.8
14.5
16.2
--
--
--
--
--
--
1497
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Krzanowice

Poland

15.8
19.5
13.5
11.7
16.2
14.5
--
--
--
1498
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Centurion

South Africa

15.8
37
25.5
--
--
--
--
--
--
1499
flag

Rustenburg

South Africa

15.8
14.7
16.3
21.6
25.5
--
--
--
--
1500
flag

Seongnam

South Korea

15.8
15.3
17.6
17.7
18.8
19.8
23.8
23.8
25.6
1501
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Rayong

Thailand

15.8
15.4
19.1
13.4
17.4
17.1
17.5
21.2
19.9
1502
flag

Wielsbeke

Belgium

15.7
20.1
12.1
13.8
15
13.9
14.8
16.5
14.9
1503
flag

Buffalo Narrows

Canada

15.7
16.3
--
--
--
--
--
--
--
1504
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Haixi

China

15.7
15.2
16.7
19.2
17.7
14.6
15.5
22.4
24.3
1505
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Velka Bystrice

Czech Republic

15.7
19.8
18
--
--
--
--
--
--
1506
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Děčín

Czech Republic

15.7
15.3
14.8
16
17.1
16.4
17.8
23.1
23
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