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
1
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N'Djamena

Chad

53.6
91.8
56.9
89.7
77.6
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2
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Kinshasa

Democratic Republic of the Congo

50.2
58.2
40.8
15.5
44.6
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32.1
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3
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Gitarama

Rwanda

47.1
44.5
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4
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Kampala

Uganda

44.2
41
27.3
39.6
27.6
26.1
29.1
40.8
54.3
5
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Umkomaas

South Africa

43.3
28.9
10.8
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6
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Cairo

Egypt

40.8
39.9
42.4
47.4
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7
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Bluff

South Africa

38.9
24.6
21.9
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8
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Kigali

Rwanda

37.5
40.8
36.8
44
43.1
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9
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Vereeniging

South Africa

37.4
34
32.4
24.7
26.6
26.5
30
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10
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Basse Santa Su

Gambia

36.2
40.5
34.6
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11
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Lyantonde

Uganda

36
39.8
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12
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Abuja

Nigeria

35.9
42.2
45.4
46.5
27.3
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13
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Kibungo

Rwanda

33.7
40.5
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14
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Serrekunda

Gambia

29.4
38.4
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15
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Yaounde

Cameroon

28.4
36.3
41.1
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16
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Gunjur

Gambia

27.6
33.2
37.2
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17
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Ondo

Nigeria

27.3
37.5
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18
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New Cairo

Egypt

27
31.4
37.6
27.7
29.1
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18
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19
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Leandra

South Africa

26.7
31.1
2.3
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20
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Brikama

Gambia

25.8
34.9
33.1
24.1
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21
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Cape Coast

Ghana

25.8
27
21.4
38.2
54.2
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22
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Brits

South Africa

25.8
31.6
33.6
28.7
21.7
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23
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Benghazi

Libya

25.6
26.8
30.4
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24
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Masaka

Uganda

25.5
27.6
26.3
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25
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Embalenhle

South Africa

25.4
26.7
16.5
17.4
17.1
15.6
30
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26
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Orkney

South Africa

25
26.2
13.6
4.3
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27
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Sukuta

Gambia

24.9
31.3
31.7
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28
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Zliten

Libya

24.2
30
30.8
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29
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Tarkwa

Ghana

23.7
24.9
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30
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Sebokeng

South Africa

22.8
24.7
28.3
26.7
29.7
29.5
32.7
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31
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Vanderbijlpark

South Africa

22.8
30.2
23.6
29.5
32.9
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34.7
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32
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Addis Ababa

Ethiopia

22.4
22.2
27
31.3
23.9
14.7
20.1
27.1
26.9
33
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Banjul

Gambia

22.4
28.3
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34
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Lichtenburg

South Africa

22.4
21.1
5.1
2.8
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35
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Bakau

Gambia

22.2
33
26.1
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36
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Dakar

Senegal

21.8
22.3
28.2
20.4
14.6
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37
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Brufut

Gambia

21.4
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38
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Kartong

Gambia

21.2
21.2
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39
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Nsukka

Nigeria

21.2
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40
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Lagos

Nigeria

21.2
15.1
21.8
36.1
40.9
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41
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Accra

Ghana

21
36.3
33.2
30.1
25.9
26.9
30.3
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42
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Ndola

Zambia

20.7
25.1
32.3
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43
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Adukrom

Ghana

20.3
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44
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Emalahleni

South Africa

20.1
30.9
21.1
24.3
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45
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Keneba

Gambia

20
32
25.1
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46
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Conakry

Guinea

20
20.7
13.9
59
36.7
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47
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Pout

Senegal

20
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48
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New Germany

South Africa

19.2
17
24.4
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49
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Khuma

South Africa

19.2
22.6
20.4
8.7
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50
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Balfour

South Africa

18.9
18.7
25.1
22
22.4
20.7
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