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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swiss flag

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
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Ruwais

United Arab Emirates

43.3
29.6
31.5
51.9
33.4
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2
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Ras Al-Khaimah

United Arab Emirates

41.8
43.3
52
55.2
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3
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Habshan

United Arab Emirates

39.9
33.8
30.3
55.2
46.3
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4
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Ajman

United Arab Emirates

38.9
49.2
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5
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Abu Dhabi

United Arab Emirates

38.6
32
38.2
48
33.8
23.9
38.4
48.8
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6
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Gayathi

United Arab Emirates

36.1
30.2
38.4
58.3
50.9
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7
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Dubai

United Arab Emirates

35.8
33.4
43.6
43.7
36.9
32.6
40.9
55.3
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8
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Zakher

United Arab Emirates

35.5
29.6
31.6
48.5
36.2
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9
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Al Quo'a

United Arab Emirates

33.7
31.9
35.1
53.9
42.5
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10
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Sweihan

United Arab Emirates

32.4
29.5
28.8
43.5
34.2
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11
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Madinat Zayed

United Arab Emirates

31
28.6
34.2
45.4
35.6
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12
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Liwa

United Arab Emirates

29.3
34.8
28.6
47.4
49.9
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Al Ain

United Arab Emirates

29.2
31.2
31.1
50.5
41.2
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