| Rank |
Countries
|
Amount
|
Date
|
|
# 1
|
Sudan: |
207.5 mcg/m³
|
2002  |
|
|
Environment in Sudan
|
|
# 2
|
Mali: |
187.86 mcg/m³
|
2002  |
|
|
Environment in Mali
|
|
# 3
|
Liechtenstein: |
179.09 mcg/m³
|
2002  |
|
|
Environment in Liechtenstein
|
|
# 4
|
Iraq: |
166.4 mcg/m³
|
2002  |
|
|
Environment in Iraq
|
|
# 5
|
Pakistan: |
164.97 mcg/m³
|
2002  |
|
|
Environment in Pakistan
|
|
# 6
|
Niger: |
158.99 mcg/m³
|
2002  |
|
|
Environment in Niger
|
|
# 7
|
Bangladesh: |
154.79 mcg/m³
|
2002  |
|
|
Environment in Bangladesh
|
|
# 8
|
Uruguay: |
153.22 mcg/m³
|
2002  |
|
|
Environment in Uruguay
|
|
# 9
|
Saudi Arabia: |
148.77 mcg/m³
|
2002  |
|
|
Environment in Saudi Arabia
|
|
# 10
|
Chad: |
148.05 mcg/m³
|
2002  |
|
|
Environment in Chad
|
|
# 11
|
United Arab Emirates: |
139.84 mcg/m³
|
2002  |
|
|
Environment in United Arab Emirates
|
|
# 12
|
Egypt: |
133.51 mcg/m³
|
2002  |
|
|
Environment in Egypt
|
|
# 13
|
Oman: |
127.45 mcg/m³
|
2002  |
|
|
Environment in Oman
|
|
# 14
|
Andorra: |
125.77 mcg/m³
|
2002  |
|
|
Environment in Andorra
|
|
# 15
|
Kuwait: |
119.08 mcg/m³
|
2002  |
|
|
Environment in Kuwait
|
|
# 16
|
Trinidad and Tobago: |
112.15 mcg/m³
|
2002  |
|
|
Environment in Trinidad and Tobago
|
|
# 17
|
Mauritania: |
112.03 mcg/m³
|
2002  |
|
|
Environment in Mauritania
|
|
# 18
|
Indonesia: |
111.77 mcg/m³
|
2002  |
|
|
Environment in Indonesia
|
|
# 19
|
Angola: |
111.2 mcg/m³
|
2002  |
|
|
Environment in Angola
|
|
# 20
|
Burkina Faso: |
102.38 mcg/m³
|
2002  |
|
|
Environment in Burkina Faso
|
|
# 21
|
Paraguay: |
101.91 mcg/m³
|
2002  |
|
|
Environment in Paraguay
|
|
# 22
|
Gambia, The: |
98.59 mcg/m³
|
2002  |
|
|
Environment in Gambia, The
|
|
# 23
|
Senegal: |
95.75 mcg/m³
|
2002  |
|
|
Environment in Senegal
|
|
# 24
|
Syria: |
95.21 mcg/m³
|
2002  |
|
|
Environment in Syria
|
|
# 25
|
Yemen: |
94.72 mcg/m³
|
2002  |
|
|
Environment in Yemen
|
|
# 26
|
Sri Lanka: |
94.32 mcg/m³
|
2002  |
|
|
Environment in Sri Lanka
|
|
# 27
|
Libya: |
94.03 mcg/m³
|
2002  |
|
|
Environment in Libya
|
|
# 28
|
Nigeria: |
93.48 mcg/m³
|
2002  |
|
|
Environment in Nigeria
|
|
# 29
|
Bolivia: |
91.74 mcg/m³
|
2002  |
|
|
Environment in Bolivia
|
|
# 30
|
Armenia: |
91.73 mcg/m³
|
2002  |
|
|
Environment in Armenia
|
|
# 31
|
Korea, North: |
89.45 mcg/m³
|
2002  |
|
|
Environment in Korea, North
|
|
# 32
|
Guinea-Bissau: |
85.56 mcg/m³
|
2002  |
|
|
Environment in Guinea-Bissau
|
|
# 33
|
Cameroon: |
85.25 mcg/m³
|
2002  |
|
|
Environment in Cameroon
|
|
# 34
|
Ethiopia: |
85.21 mcg/m³
|
2002  |
|
|
Environment in Ethiopia
|
|
# 35
|
Algeria: |
84.98 mcg/m³
|
2002  |
|
|
Environment in Algeria
|
|
# 36
|
India: |
84.33 mcg/m³
|
2002  |
|
|
Environment in India
|
|
# 37
|
Eritrea: |
82.29 mcg/m³
|
2002  |
|
|
Environment in Eritrea
|
|
# 38
|
Uzbekistan: |
81.08 mcg/m³
|
2002  |
|
|
Environment in Uzbekistan
|
|
# 39
|
Botswana: |
79.65 mcg/m³
|
2002  |
|
|
Environment in Botswana
|
|
# 40
|
China: |
77.6 mcg/m³
|
2002  |
|
|
Environment in China
|
|
# 41
|
Guatemala: |
77.38 mcg/m³
|
2002  |
|
|
Environment in Guatemala
|
|
# 42
|
Argentina: |
77.33 mcg/m³
|
2002  |
|
|
Environment in Argentina
|
|
# 43
|
Thailand: |
76.86 mcg/m³
|
2002  |
|
|
Environment in Thailand
|
|
# 44
|
Congo, Republic of the: |
76.14 mcg/m³
|
2002  |
|
|
Environment in Congo, Republic of the
|
|
# 45
|
Burma: |
75.71 mcg/m³
|
2002  |
|
|
Environment in Burma
|
|
# 46
|
Guinea: |
75.03 mcg/m³
|
2002  |
|
|
Environment in Guinea
|
|
# 47
|
New Caledonia: |
73.7 mcg/m³
|
2002  |
|
|
Environment in New Caledonia
|
|
# 48
|
Mongolia: |
73.41 mcg/m³
|
2002  |
|
|
Environment in Mongolia
|
|
# 49
|
Turkmenistan: |
69 mcg/m³
|
2002  |
|
|
Environment in Turkmenistan
|
|
# 50
|
Bulgaria: |
68.74 mcg/m³
|
2002  |
|
|
Environment in Bulgaria
|
|
# 51
|
Iran: |
68.7 mcg/m³
|
2002  |
|
|
Environment in Iran
|
|
# 52
|
Peru: |
68.34 mcg/m³
|
2002  |
|
|
Environment in Peru
|
|
# 53
|
Vietnam: |
66.5 mcg/m³
|
2002  |
|
|
Environment in Vietnam
|
|
# 54
|
Cambodia: |
66.2 mcg/m³
|
2002  |
|
|
Environment in Cambodia
|
|
# 55
|
Azerbaijan: |
65.58 mcg/m³
|
2002  |
|
|
Environment in Azerbaijan
|
|
# 56
|
Bahrain: |
64.74 mcg/m³
|
2002  |
|
|
Environment in Bahrain
|
|
# 57
|
Zambia: |
62.76 mcg/m³
|
2002  |
|
|
Environment in Zambia
|
|
# 58
|
Qatar: |
62.17 mcg/m³
|
2002  |
|
|
Environment in Qatar
|
|
# 59
|
Lesotho: |
60.86 mcg/m³
|
2002  |
|
|
Environment in Lesotho
|
|
# 60
|
Jordan: |
60.8 mcg/m³
|
2002  |
|
|
Environment in Jordan
|
|
# 61
|
Chile: |
60.46 mcg/m³
|
2002  |
|
|
Environment in Chile
|
|
# 62
|
Albania: |
59.76 mcg/m³
|
2002  |
|
|
Environment in Albania
|
|
# 63
|
Sierra Leone: |
59.14 mcg/m³
|
2002  |
|
|
Environment in Sierra Leone
|
|
# 64
|
Tajikistan: |
58.32 mcg/m³
|
2002  |
|
|
Environment in Tajikistan
|
|
# 65
|
Congo, Democratic Republic of the: |
58.26 mcg/m³
|
2002  |
|
|
Environment in Congo, Democratic Republic of the
|
|
# 66
|
Cyprus: |
57.07 mcg/m³
|
2002  |
|
|
Environment in Cyprus
|
|
# 67
|
Turkey: |
55.67 mcg/m³
|
2002  |
|
|
Environment in Turkey
|
|
# 68
|
Afghanistan: |
51.96 mcg/m³
|
2002  |
|
|
Environment in Afghanistan
|
|
# 69
|
Central African Republic: |
51.56 mcg/m³
|
2002  |
|
|
Environment in Central African Republic
|
|
# 70
|
São Tomé and Príncipe: |
51.31 mcg/m³
|
2002  |
|
|
Environment in São Tomé and Príncipe
|
|
# 71
|
Israel: |
50.85 mcg/m³
|
2002  |
|
|
Environment in Israel
|
|
# 72
|
Panama: |
50.67 mcg/m³
|
2002  |
|
|
Environment in Panama
|
|
# 73
|
Namibia: |
50.14 mcg/m³
|
2002  |
|
|
Environment in Namibia
|
|
# 74
|
Haiti: |
49.79 mcg/m³
|
2002  |
|
|
Environment in Haiti
|
|
# 75
|
Georgia: |
49.25 mcg/m³
|
2002  |
|
|
Environment in Georgia
|
|
# 76
|
Comoros: |
49.1 mcg/m³
|
2002  |
|
|
Environment in Comoros
|
|
# 77
|
Laos: |
48.91 mcg/m³
|
2002  |
|
|
Environment in Laos
|
|
# 78
|
Singapore: |
48.72 mcg/m³
|
2002  |
|
|
Environment in Singapore
|
|
# 79
|
Côte d'Ivoire: |
48.69 mcg/m³
|
2002  |
|
|
Environment in Côte d'Ivoire
|
|
# 80
|
Greece: |
48.08 mcg/m³
|
2002  |
|
|
Environment in Greece
|
|
# 81
|
Macau: |
47.68 mcg/m³
|
2002  |
|
|
Environment in Macau
|
|
# 82
|
Lebanon: |
47.28 mcg/m³
|
2002  |
|
|
Environment in Lebanon
|
|
# 83
|
Brunei: |
47.18 mcg/m³
|
2002  |
|
|
Environment in Brunei
|
|
# 84
|
Djibouti: |
47.18 mcg/m³
|
2002  |
|
|
Environment in Djibouti
|
|
# 85
|
Honduras: |
47.09 mcg/m³
|
2002  |
|
|
Environment in Honduras
|
|
# 86
|
Benin: |
47.06 mcg/m³
|
2002  |
|
|
Environment in Benin
|
|
# 87
|
Tunisia: |
46.9 mcg/m³
|
2002  |
|
|
Environment in Tunisia
|
|
# 88
|
Liberia: |
45.3 mcg/m³
|
2002  |
|
|
Environment in Liberia
|
|
# 89
|
Malawi: |
45.04 mcg/m³
|
2002  |
|
|
Environment in Malawi
|
|
# 90
|
Korea, South: |
44.72 mcg/m³
|
2002  |
|
|
Environment in Korea, South
|
|
# 91
|
Madagascar: |
43.97 mcg/m³
|
2002  |
|
|
Environment in Madagascar
|
|
# 92
|
Jamaica: |
43.57 mcg/m³
|
2002  |
|
|
Environment in Jamaica
|
|
# 93
|
Mozambique: |
42.94 mcg/m³
|
2002  |
|
|
Environment in Mozambique
|
|
# 94
|
Nepal: |
42.9 mcg/m³
|
2002  |
|
|
Environment in Nepal
|
|
# 95
|
Somalia: |
41.77 mcg/m³
|
2002  |
|
|
Environment in Somalia
|
|
# 96
|
Ghana: |
41.71 mcg/m³
|
2002  |
|
|
Environment in Ghana
|
|
# 97
|
Mexico: |
41.71 mcg/m³
|
2002  |
|
|
Environment in Mexico
|
|
# 98
|
Faroe Islands: |
41.56 mcg/m³
|
2002  |
|
|
Environment in Faroe Islands
|
|
# 99
|
Suriname: |
40.84 mcg/m³
|
2002  |
|
|
Environment in Suriname
|
|
# 100
|
Spain: |
39.81 mcg/m³
|
2002  |
|
|
Environment in Spain
|
|
# 101
|
Togo: |
39.78 mcg/m³
|
2002  |
|
|
Environment in Togo
|
|
# 102
|
El Salvador: |
39.48 mcg/m³
|
2002  |
|
|
Environment in El Salvador
|
|
# 103
|
Moldova: |
38.75 mcg/m³
|
2002  |
|
|
Environment in Moldova
|
|
# 104
|
Costa Rica: |
38.73 mcg/m³
|
2002  |
|
|
Environment in Costa Rica
|
|
# 105
|
Poland: |
38.68 mcg/m³
|
2002  |
|
|
Environment in Poland
|
|
# 106
|
Burundi: |
38.67 mcg/m³
|
2002  |
|
|
Environment in Burundi
|
|
# 107
|
Tanzania: |
38.56 mcg/m³
|
2002  |
|
|
Environment in Tanzania
|
|
# 108
|
Virgin Islands: |
38.54 mcg/m³
|
2002  |
|
|
Environment in Virgin Islands
|
|
# 109
|
Guyana: |
38.52 mcg/m³
|
2002  |
|
|
Environment in Guyana
|
|
# 110
|
Kenya: |
38.5 mcg/m³
|
2002  |
|
|
Environment in Kenya
|
|
# 111
|
Swaziland: |
38.4 mcg/m³
|
2002  |
|
|
Environment in Swaziland
|
|
# 112
|
Netherlands: |
38.14 mcg/m³
|
2002  |
|
|
Environment in Netherlands
|
|
# 113
|
Austria: |
37.37 mcg/m³
|
2002  |
|
|
Environment in Austria
|
|
# 114
|
Dominican Republic: |
36.84 mcg/m³
|
2002  |
|
|
Environment in Dominican Republic
|
|
# 115
|
Bahamas, The: |
36.72 mcg/m³
|
2002  |
|
|
Environment in Bahamas, The
|
|
# 116
|
Barbados: |
36.56 mcg/m³
|
2002  |
|
|
Environment in Barbados
|
|
# 117
|
Solomon Islands: |
36.39 mcg/m³
|
2002  |
|
|
Environment in Solomon Islands
|
|
# 118
|
Rwanda: |
35.91 mcg/m³
|
2002  |
|
|
Environment in Rwanda
|
|
# 119
|
Croatia: |
35.12 mcg/m³
|
2002  |
|
|
Environment in Croatia
|
|
# 120
|
Saint Vincent and the Grenadines: |
35 mcg/m³
|
2002  |
|
|
Environment in Saint Vincent and the Grenadines
|
|
# 121
|
Saint Lucia: |
34.39 mcg/m³
|
2002  |
|
|
Environment in Saint Lucia
|
|
# 122
|
Philippines: |
34.31 mcg/m³
|
2002  |
|
|
Environment in Philippines
|
|
# 123
|
Brazil: |
33.68 mcg/m³
|
2002  |
|
|
Environment in Brazil
|
|
# 124
|
Japan: |
33.57 mcg/m³
|
2002  |
|
|
Environment in Japan
|
|
# 125
|
Nicaragua: |
33.42 mcg/m³
|
2002  |
|
|
Environment in Nicaragua
|
|
# 126
|
Slovenia: |
33.21 mcg/m³
|
2002  |
|
|
Environment in Slovenia
|
|
# 127
|
Italy: |
32.56 mcg/m³
|
2002  |
|
|
Environment in Italy
|
|
# 128
|
Maldives: |
32.16 mcg/m³
|
2002  |
|
|
Environment in Maldives
|
|
# 129
|
Dominica: |
31.53 mcg/m³
|
2002  |
|
|
Environment in Dominica
|
|
# 130
|
Portugal: |
31.02 mcg/m³
|
2002  |
|
|
Environment in Portugal
|
|
# 131
|
Netherlands Antilles: |
29.77 mcg/m³
|
2002  |
|
|
Environment in Netherlands Antilles
|
|
# 132
|
Ukraine: |
29.67 mcg/m³
|
2002  |
|
|
Environment in Ukraine
|
|
# 133
|
Malaysia: |
28.94 mcg/m³
|
2002  |
|
|
Environment in Malaysia
|
|
# 134
|
Papua New Guinea: |
28.62 mcg/m³
|
2002  |
|
|
Environment in Papua New Guinea
|
|
# 135
|
Switzerland: |
28.51 mcg/m³
|
2002  |
|
|
Environment in Switzerland
|
|
# 136
|
Bhutan: |
28.17 mcg/m³
|
2002  |
|
|
Environment in Bhutan
|
|
# 137
|
Fiji: |
28.09 mcg/m³
|
2002  |
|
|
Environment in Fiji
|
|
# 138
|
Belgium: |
27.94 mcg/m³
|
2002  |
|
|
Environment in Belgium
|
|
# 139
|
Ecuador: |
27.76 mcg/m³
|
2002  |
|
|
Environment in Ecuador
|
|
# 140
|
Morocco: |
27.53 mcg/m³
|
2002  |
|
|
Environment in Morocco
|
|
# 141
|
South Africa: |
26.1 mcg/m³
|
2002  |
|
|
Environment in South Africa
|
|
# 142
|
Czech Republic: |
25.05 mcg/m³
|
2002  |
|
|
Environment in Czech Republic
|
|
# 143
|
Kazakhstan: |
24.75 mcg/m³
|
2002  |
|
|
Environment in Kazakhstan
|
|
# 144
|
Kyrgyzstan: |
24.33 mcg/m³
|
2002  |
|
|
Environment in Kyrgyzstan
|
|
# 145
|
Puerto Rico: |
24.16 mcg/m³
|
2002  |
|
|
Environment in Puerto Rico
|
|
# 146
|
Macedonia, Republic of: |
24.12 mcg/m³
|
2002  |
|
|
Environment in Macedonia, Republic of
|
|
# 147
|
Russia: |
24.01 mcg/m³
|
2002  |
|
|
Environment in Russia
|
|
# 148
|
Colombia: |
23.8 mcg/m³
|
2002  |
|
|
Environment in Colombia
|
|
# 149
|
United States: |
23.61 mcg/m³
|
2002  |
|
|
Environment in United States
|
|
# 150
|
Vanuatu: |
23.26 mcg/m³
|
2002  |
|
|
Environment in Vanuatu
|
|
# 151
|
Zimbabwe: |
23.25 mcg/m³
|
2002  |
|
|
Environment in Zimbabwe
|
|
# 152
|
Grenada: |
22.38 mcg/m³
|
2002  |
|
|
Environment in Grenada
|
|
# 153
|
Denmark: |
22.16 mcg/m³
|
2002  |
|
|
Environment in Denmark
|
|
# 154
|
Lithuania: |
21.93 mcg/m³
|
2002  |
|
|
Environment in Lithuania
|
|
# 155
|
Germany: |
21.85 mcg/m³
|
2002  |
|
|
Environment in Germany
|
|
# 156
|
Finland: |
21.39 mcg/m³
|
2002  |
|
|
Environment in Finland
|
|
# 157
|
Ireland: |
21.07 mcg/m³
|
2002  |
|
|
Environment in Ireland
|
|
# 158
|
Hungary: |
20.93 mcg/m³
|
2002  |
|
|
Environment in Hungary
|
|
# 159
|
Bosnia and Herzegovina: |
20.75 mcg/m³
|
2002  |
|
|
Environment in Bosnia and Herzegovina
|
|
# 160
|
Romania: |
20.62 mcg/m³
|
2002  |
|
|
Environment in Romania
|
|
# 161
|
Canada: |
20.4 mcg/m³
|
2002  |
|
|
Environment in Canada
|
|
# 162
|
Cayman Islands: |
20.28 mcg/m³
|
2002  |
|
|
Environment in Cayman Islands
|
|
# 163
|
Cuba: |
20.17 mcg/m³
|
2002  |
|
|
Environment in Cuba
|
|
# 164
|
Saint Kitts and Nevis: |
19.97 mcg/m³
|
2002  |
|
|
Environment in Saint Kitts and Nevis
|
|
# 165
|
Luxembourg: |
19.82 mcg/m³
|
2002  |
|
|
Environment in Luxembourg
|
|
# 166
|
Iceland: |
19.69 mcg/m³
|
2002  |
|
|
Environment in Iceland
|
|
# 167
|
San Marino: |
19.48 mcg/m³
|
2002  |
|
|
Environment in San Marino
|
|
# 168
|
Slovakia: |
19.39 mcg/m³
|
2002  |
|
|
Environment in Slovakia
|
|
# 169
|
Belize: |
18.88 mcg/m³
|
2002  |
|
|
Environment in Belize
|
|
# 170
|
Norway: |
18.53 mcg/m³
|
2002  |
|
|
Environment in Norway
|
|
# 171
|
Mauritius: |
17.97 mcg/m³
|
2002  |
|
|
Environment in Mauritius
|
|
# 172
|
Australia: |
17.63 mcg/m³
|
2002  |
|
|
Environment in Australia
|
|
# 173
|
Estonia: |
17.41 mcg/m³
|
2002  |
|
|
Environment in Estonia
|
|
# 174
|
United Kingdom: |
17.34 mcg/m³
|
2002  |
|
|
Environment in United Kingdom
|
|
# 175
|
Latvia: |
16.96 mcg/m³
|
2002  |
|
|
Environment in Latvia
|
|
# 176
|
New Zealand: |
16.76 mcg/m³
|
2002  |
|
|
Environment in New Zealand
|
|
# 177
|
Serbia and Montenegro: |
16.75 mcg/m³
|
2002  |
|
|
Environment in Serbia and Montenegro
|
|
# 178
|
Uganda: |
16.61 mcg/m³
|
2002  |
|
|
Environment in Uganda
|
|
# 179
|
France: |
15.37 mcg/m³
|
2002  |
|
|
Environment in France
|
|
# 180
|
Sweden: |
14.45 mcg/m³
|
2002  |
|
|
Environment in Sweden
|
|
# 181
|
Antigua and Barbuda: |
13.72 mcg/m³
|
2002  |
|
|
Environment in Antigua and Barbuda
|
|
# 182
|
Equatorial Guinea: |
13.61 mcg/m³
|
2002  |
|
|
Environment in Equatorial Guinea
|
|
# 183
|
Venezuela: |
12.01 mcg/m³
|
2002  |
|
|
Environment in Venezuela
|
|
# 184
|
Belarus: |
9.89 mcg/m³
|
2002  |
|
|
Environment in Belarus
|
|
# 185
|
Gabon: |
7.19 mcg/m³
|
2002  |
|
|
Environment in Gabon
|
| |
Weighted average: |
55.3 mcg/m³ |
|
|