World’s Most Polluted Countries in 2022 – PM2.5 Ranking | IQAir
Chad
89.7
75.9
–
–
–
17,179,740
2 
Iraq
80.1
49.7
–
39.6
–
43,533,592
3 
Pakistan
70.9
66.8
59
65.8
74.3
231,402,117
4 
Bahrain
66.6
49.8
39.7
46.8
59.8
1,463,265
5 
Bangladesh
65.8
76.9
77.1
83.3
97.1
169,356,251
6 
Burkina Faso
63
–
–
–
–
22,100,683
7 
Kuwait
55.8
29.7
34
38.3
56
4,250,114
8 
India
53.3
58.1
51.9
58.1
72.5
1,407,563,842
9 
Egypt
46.5
29.1
–
18
–
109,262,178
10 
Tajikistan
46
59.4
30.9
–
–
9,750,064
11 
United Arab Emirates
45.9
36
29.2
38.9
49.9
9,365,145
12 
Sudan
44.6
44.1
–
–
–
45,657,202
13 
Rwanda
44
–
–
–
–
13,461,888
14 
Qatar
42.5
38.2
44.3
–
–
2,688,235
15 
Saudi Arabia
41.5
32.7
23.3
22.1
–
35,950,396
16 
Nepal
40.1
46
39.2
44.5
54.1
30,034,989
17 
Uganda
39.6
27.6
26.1
29.1
40.8
45,853,778
18 
Nigeria
36.9
34
–
21.4
44.8
213,401,323
19 
Bosnia Herzegovina
33.6
27.8
40.6
34.6
40
3,270,943
20 
Uzbekistan
33.5
42.8
29.9
41.2
34.3
34,915,100
21 
Iran
32.5
30.3
27.2
24.3
25
87,923,432
22 
Armenia
31.4
33.9
24.9
25.5
–
2,790,974
23 
Ethiopia
31.3
23.9
14.7
20.1
27.1
120,283,026
24 
Kyrgyzstan
31.1
50.8
43.5
33.2
–
6,691,800
25 
China
30.6
32.6
34.7
39.1
41.2
1,412,360,000
26 
Indonesia
30.4
34.3
40.7
51.7
42
273,753,191
27 
Ghana
30.2
25.9
26.9
30.3
–
32,833,031
28 
Mongolia
29.5
33.1
46.6
62
58.5
3,347,782
29 
Laos
27.6
21.5
22.4
23.1
–
7,275,556
30 
Vietnam
27.2
24.7
28
34.1
32.9
97,468,029
31 
North Macedonia
25.6
25.4
30.6
32.4
35.5
2,065,092
32 
Gabon
25
–
–
–
–
2,341,179
33 
Serbia
24.7
25.5
24.3
23.3
23.9
6,834,326
34 
Zambia
24.6
–
–
–
–
19,473,125
35 
Myanmar
24.3
25.9
29.4
31
–
53,798,084
36 
Madagascar
23.7
21
20
–
–
28,915,653
37 
Croatia
23.5
25.4
21.2
19.1
22.2
3,899,000
38 
Peru
23.5
29.6
17.9
23.3
28
33,715,471
39 
South Africa
23.4
22.7
18
21.6
–
59,392,255
40 
Kazakhstan
23
31.1
21.9
23.6
29.8
19,000,988
41 
Moldova
22.6
–
–
–
–
2,615,199
42 
Ivory Coast
22.5
–
21.9
–
–
29,389,150
43 
Chile
22.2
21.7
19.3
22.6
24.9
19,493,184
44 
Turkmenistan
21.6
20.4
17
–
–
6,341,855
45 
Turkey
21.1
20
18.7
20.6
21.9
84,775,404
46 
Sri Lanka
20.7
17.4
22.4
25.2
32
22,156,000
47 
Senegal
20.4
–
11.2
–
–
16,876,720
48 
Syria
20
23
–
32.2
–
21,324,367
49 
Mexico
19.5
19.3
18.9
20
20.3
126,705,138
50 
Greece
19
19
18.4
22.5
–
10,641,221
51 
Azerbaijan
18.9
17.6
–
–
–
10,137,750
52 
Italy
18.9
15.2
18.5
17.1
14.9
59,109,668
53 
Israel
18.8
18.7
16.9
20.8
18.6
9,364,000
54 
Guatemala
18.6
19.5
19.2
20.2
–
17,109,746
55 
Bulgaria
18.3
16.3
27.5
25.5
25.8
6,877,743
56 
South Korea
18.3
19.1
19.5
24.8
24
51,744,876
57 
Thailand
18.1
20.2
21.4
24.3
26.4
71,601,103
58 
Algeria
17.8
20
20.2
21.2
–
44,177,969
59 
Malaysia
17.7
19.4
15.6
19.4
–
33,573,874
60 
Romania
17.2
15.3
15.8
18.3
18.6
19,119,880
61 
Georgia
17
21
20.4
20.1
–
3,708,610
62 
Poland
16.3
19.1
16.9
18.7
22.4
37,747,124
63 
Colombia
15.7
14.1
15.6
14.6
13.9
51,516,562
64 
Montenegro
15.7
35.2
26.1
–
–
619,211
65 
Cyprus
15.6
14.8
15.8
19.7
17.6
1,244,188
66 
Democratic Republic of the Congo
15.5
–
–
32.1
–
95,894,118
67 
Macao SAR
15.4
17
17.8
23.5
21.2
686,607
68 
Slovenia
15.1
13.3
–
–
–
2,108,079
69 
Philippines
14.9
15.6
12.8
17.6
14.6
113,880,328
70 
Kosovo
14.7
14.7
20
23.5
30.4
1,786,038
71 
Slovakia
14.5
16
15.3
16.1
18.5
5,447,247
72 
Hong Kong SAR
14.5
15.9
15.4
20.3
20.2
7,413,100
73 
Albania
14.5
12.5
16
–
–
2,811,666
74 
El Salvador
14.2
–
–
–
–
6,314,167
75 
Czech Republic
13.4
13.9
12.3
14.4
20.2
10,505,772
76 
Taiwan
13.4
16.2
15
17.2
18.5
23,816,775
77 
Singapore
13.3
13.8
11.8
19
14.8
5,453,566
78 
Lithuania
13.2
13.2
11.7
14.5
17.5
2,800,839
79 
Guyana
12.6
–
–
–
–
804,567
80 
Hungary
12.6
15.5
14.3
14.6
16.8
9,709,891
81 
Brazil
12.2
13.6
14.2
15.8
16.3
214,326,223
82 
Malta
11.7
13.5
11.8
9.4
11
518,536
83 
Kenya
11.5
14.3
14.2
–
–
53,005,614
84 
France
11.5
11.4
11.1
12.3
13.2
67,749,632
85 
Uruguay
11.3
14.2
–
–
–
3,426,260
86 
Russia
11.2
12.3
9.3
9.9
11.4
143,449,286
87 
Netherlands
11
11.3
9.7
10.9
11.7
17,533,044
88 
Germany
11
10.6
10.1
11
13
83,196,078
89 
Spain
10.9
10.7
10.4
9.7
10.3
47,415,750
90 
Maldives
10.9
–
–
–
–
521,457
91 
Belgium
10.8
11.5
8.9
12.5
13.5
11,592,952
92 
Austria
10.6
11.4
10.9
12.2
15
8,955,797
93 
Honduras
10.2
11.8
–
–
–
10,278,345
94 
Latvia
10.1
–
11.3
13.3
–
1,884,490
95 
Switzerland
10
10.8
9
10.9
11.6
8,703,405
96 
Ukraine
9.7
18.5
19.2
16.6
14
43,792,855
97 
Japan
9.1
9.1
9.8
11.4
12
125,681,593
98 
Panama
9
–
–
–
–
4,351,267
99 
USA
8.9
10.3
9.6
9
9.1
331,893,745
100 
Nicaragua
8.9
–
–
–
–
6,850,540
101 
United Kingdom
8.9
8.8
8.3
10.5
10.8
67,326,569
102 
Angola
8.8
11
13
15.9
–
34,503,774
103 
Denmark
8.6
9.6
9.4
9.6
–
5,856,733
104 
Cambodia
8.3
19.8
21.1
21.1
20.1
16,589,023
105 
Liechtenstein
8.3
7.2
–
–
–
39,039
106 
Portugal
8.1
7.1
9.1
9.3
9.4
10,325,147
107 
Costa Rica
7.9
7.8
8.2
10.4
–
5,153,957
108 
Argentina
7.7
8.2
14.2
14.6
–
45,808,747
109 
Ireland
7.5
8
8.6
10.6
9.5
5,033,165
110 
Luxembourg
7.4
9
9
9.6
11.2
640,064
111 
Canada
7.4
8.5
7.3
7.7
7.9
38,246,108
112 
Bolivia
7.3
–
–
–
–
12,079,472
113 
Suriname
7
–
–
–
–
612,985
114 
Norway
7
7.5
5.7
6.9
7.6
5,408,320
115 
Sweden
6.2
6.6
5
6.6
7.4
10,415,811
116 
Belize
5.6
–
–
–
–
400,031
117 
Andorra
5.4
7.3
7.4
–
–
79,034
118 
Trinidad and Tobago
5.1
7.1
–
–
–
1,525,663
119 
Finland
5
5.5
5
5.6
6.6
5,541,017
120 
Estonia
4.9
5.9
5.9
6.2
7.2
1,330,932
121 
New Zealand
4.8
6.8
7
7.5
7.7
5,122,600
122 
Puerto Rico
4.3
4.8
3.7
10.2
13.7
3,263,584
123 
Australia
4.2
5.7
7.6
8
6.8
25,688,079
124 
Grenada
3.8
5.5
–
–
–
124,610
125 
New Caledonia
3.5
3.8
3.7
–
–
271,030
126 
Iceland
3.4
6.1
7.2
5.5
5
372,520
127 
Bonaire, Saint Eustatius and Saba
3.3
5.1
–
–
–
26,221
128 
Bermuda
3
–
–
–
–
63,867
129 
U.S. Virgin Islands
2.9
4.5
3.7
3.5
–
105,870
130 
French Polynesia
2.5
–
–
–
–
304,032
131 
Guam
1.3
–
–
–
–
170,534
