World most polluted countries 2018 (PM2.5)

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2018

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PM2.5 Legend
Unit: µg/m³
WHO targetGoodModerateUnhealthy for sensitive groupsUnhealthyVery unhealthyHazardous
Rank Country/Region/ 2018 AVG Population
1 Bangladesh
Bangladesh
97.10166,368,149
2 Pakistan
Pakistan
74.27200,813,818
3 India
India
72.541,354,051,854
4 Afghanistan
Afghanistan
61.8036,373,176
5 Bahrain
Bahrain
59.801,566,993
6 Mongolia
Mongolia
58.503,121,772
7 Kuwait
Kuwait
56.004,197,128
8 Nepal
Nepal
54.1529,624,035
9 United Arab Emirates
United Arab Emirates
49.939,541,615
10 Nigeria
Nigeria
44.84195,875,237
11 Indonesia
Indonesia
42.01266,794,980
12 China
China
41.171,415,045,928
13 Uganda
Uganda
40.8044,270,563
14 Bosnia Herzegovina
Bosnia Herzegovina
39.973,503,554
15 Macedonia
Macedonia
35.472,085,051
16 Uzbekistan
Uzbekistan
34.3032,364,996
17 Vietnam
Vietnam
32.9196,491,146
18 Sri Lanka
Sri Lanka
32.0020,950,041
19 Kosovo
Kosovo
30.401,831,000
20 Kazakhstan
Kazakhstan
29.8018,403,860
21 Peru
Peru
28.0032,551,815
22 Ethiopia
Ethiopia
27.10107,534,882
23 Thailand
Thailand
26.4469,183,173
24 Bulgaria
Bulgaria
25.827,036,848
25 Iran
Iran
24.9782,011,735
26 Chile
Chile
24.9418,197,209
27 South Korea
South Korea
24.0151,164,435
28 Serbia
Serbia
23.908,762,027
29 Poland
Poland
22.3938,104,832
30 Croatia
Croatia
22.184,164,783
31 Turkey
Turkey
21.9081,916,871
32 Macao
Macao
21.20632,000
33 Mexico
Mexico
20.29130,759,074
34 Hong Kong
Hong Kong
20.207,428,887
35 Czech Republic
Czech Republic
20.1810,625,250
36 Cambodia
Cambodia
20.1016,245,729
37 Romania
Romania
18.6519,580,634
38 Israel
Israel
18.608,452,841
39 Taiwan
Taiwan
18.5423,694,089
40 Slovakia
Slovakia
18.505,449,816
41 Cyprus
Cyprus
17.581,189,085
42 Lithuania
Lithuania
17.482,876,475
43 Hungary
Hungary
16.819,688,847
44 Brazil
Brazil
16.29210,867,954
45 Austria
Austria
15.018,751,820
46 Italy
Italy
14.9559,290,969
47 Singapore
Singapore
14.805,930,000
48 Philippines
Philippines
14.62106,512,074
49 Ukraine
Ukraine
14.0044,009,214
50 Colombia
Colombia
13.9049,464,683
51 Puerto Rico
Puerto Rico
13.733,659,007
52 Belgium
Belgium
13.5211,498,519
53 France
France
13.1665,233,271
54 Germany
Germany
13.0182,293,457
55 Japan
Japan
12.00127,185,332
56 Netherlands
Netherlands
11.7217,084,459
57 Switzerland
Switzerland
11.638,544,034
58 Russia
Russia
11.42143,964,709
59 Luxembourg
Luxembourg
11.15590,321
60 Malta
Malta
11.00432,089
61 United Kingdom
United Kingdom
10.8366,573,504
62 Spain
Spain
10.3446,397,452
63 Ireland
Ireland
9.504,803,748
64 Portugal
Portugal
9.3710,291,196
65 USA
USA
9.05326,766,748
66 Canada
Canada
7.9136,953,765
67 New Zealand
New Zealand
7.724,749,598
68 Norway
Norway
7.615,353,363
69 Sweden
Sweden
7.379,982,709
70 Estonia
Estonia
7.201,306,788
71 Australia
Australia
6.8224,772,247
72 Finland
Finland
6.575,542,517
73 Iceland
Iceland
5.05337,780

2018 World air quality report

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