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
705
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Yichun

China

21.7
21.1
23.2
18.7
18.2
18
18.6
19.7
21.3
706
flag

Jingdezhen

China

21.7
19.1
20.8
19.2
22.7
24.3
26.7
28.8
37.8
707
flag

Maihar

India

21.7
24.3
25.7
20.1
19.9
--
--
--
--
708
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Indramayu

Indonesia

21.7
32.8
--
--
--
--
--
--
--
709
flag

Pong Yang Khok

Thailand

21.7
31.2
40.1
26.4
--
--
--
--
--
710
flag

Yunfu

China

21.6
19.3
21.2
20.4
22.4
20.9
28
31.2
36
711
flag

Xishuangbanna

China

21.6
24.4
23.4
16.7
23.2
30
31.6
24.8
25.2
712
flag

Vijayapura

India

21.6
18
19.1
16.7
--
--
--
--
--
713
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Kediri

Indonesia

21.6
--
--
--
--
--
--
--
--
714
flag

Monaragala

Sri Lanka

21.6
17.6
--
--
--
--
--
--
--
715
flag

Wiang Chai

Thailand

21.6
25.9
31.7
--
--
--
--
--
--
716
flag

Zhangzhou

China

21.5
15.7
17.9
19
23.5
21.6
30.3
30
34.4
717
flag

Qingyuan

China

21.5
20.4
22.4
20.5
23
26.4
29.9
32.6
29.8
718
flag

Hubballi

India

21.5
26.4
--
--
--
--
--
--
--
719
flag

As Sulaymaniyah

Iraq

21.5
16.7
23.6
--
--
--
--
--
--
720
flag

Chiang Khong

Thailand

21.5
14.6
37.3
--
--
--
--
--
--
721
flag

Wang Thong

Thailand

21.5
23.8
--
--
--
--
--
--
--
722
flag

Ho Chi Minh City

Vietnam

21.5
20.9
21.8
21.2
19.4
22
25.3
26.9
23.6
723
flag

Chengde

China

21.4
22
24.8
23.2
29.4
28.6
30
39.6
55
724
flag

Khlong Phra Udom

Thailand

21.4
23.1
28.5
--
--
--
--
--
--
725
flag

Long Khanh

Vietnam

21.4
--
--
--
--
--
--
--
--
726
flag

Guangzhou

China

21.3
20.8
23.5
21.3
24.4
22.6
28.9
33.2
33.9
727
flag

Yangjiang

China

21.3
20.7
20.9
21.5
21.6
21.3
28.6
30.6
32.9
728
flag

Qianxinan

China

21.3
20.3
20.7
17.1
20.8
18.7
20.2
14.9
16
729
flag

Hegang

China

21.3
21.5
18.9
17.3
21.3
22
21.5
23.2
30
730
flag

Tulkarm

Palestine

21.3
22.7
--
--
--
--
--
--
--
731
flag

Chang Klan

Thailand

21.3
32.7
31.7
--
--
--
--
--
--
732
flag

Honghe

China

21.2
24.7
28.5
23.1
27
25.7
26.2
25
33.2
733
flag

Taisen-ri

South Korea

21.2
26.1
29.4
--
--
--
--
--
--
734
flag

Mukdahan

Thailand

21.2
25.4
23.3
21
18
--
--
--
--
735
flag

Nakhon Phanom

Thailand

21.2
28.8
28.7
20.2
28.3
--
--
--
--
736
flag

Fuzhou

China

21.1
21.7
22.2
20.3
23.8
26.9
32.8
35.8
47.2
737
flag

Ban Talat Bueng

Thailand

21.1
19.3
18.5
--
--
--
--
--
--
738
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Zhanjiang

China

21
20.9
20.3
20.6
22.9
21.2
25.4
25.4
28.4
739
flag

Taizhou

China

21
23.1
23.8
19.4
20.9
24.4
26.5
28.1
32.9
740
flag

West Jerusalem

Israel

21
16.6
15.8
17.8
17.7
--
--
--
--
741
flag

Anuradhapura

Sri Lanka

21
17.3
16.2
--
--
--
--
--
--
742
flag

Ambalangoda

Sri Lanka

21
17.7
--
--
--
--
--
--
--
743
flag

Tha Maka

Thailand

21
22.6
23.3
--
--
--
--
--
--
744
flag

Ban Mai

Thailand

21
23.5
25.6
--
--
--
--
--
--
745
flag

Tak

Thailand

21
21.6
--
--
--
--
--
--
--
746
flag

Madurai

India

20.9
15.7
--
--
--
--
--
--
--
747
flag

Latsari

Indonesia

20.9
--
--
--
--
--
--
--
--
748
flag

Nugegoda

Sri Lanka

20.9
7.5
12.9
--
--
--
--
--
--
749
flag

Mae Mo

Thailand

20.9
25.7
28.4
19.7
26.3
25.6
30.2
--
--
750
flag

Ayutthaya

Thailand

20.9
22.1
25.8
20.6
--
--
--
--
--
751
flag

Ramla

Israel

20.8
21.6
21.6
22.4
20.8
--
--
--
--
752
flag

Si Wichian

Thailand

20.8
32.3
26.4
--
--
--
--
--
--
753
flag

San Pa Tong

Thailand

20.8
16.7
94.8
--
--
--
--
--
--
754
flag

Chiang Rai

Thailand

20.8
29.3
50.8
21.8
27.1
36.3
37
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