| Rank |
Countries
|
Amount
|
Date
|
|
# 1
|
Sudan: |
199.44 mcg/m³
|
2001  |
|
|
Environment in Sudan
|
|
# 2
|
Mali: |
195.44 mcg/m³
|
2001  |
|
|
Environment in Mali
|
|
# 3
|
Liechtenstein: |
188.06 mcg/m³
|
2001  |
|
|
Environment in Liechtenstein
|
|
# 4
|
Pakistan: |
176.05 mcg/m³
|
2001  |
|
|
Environment in Pakistan
|
|
# 5
|
Niger: |
160.71 mcg/m³
|
2001  |
|
|
Environment in Niger
|
|
# 6
|
Iraq: |
159.26 mcg/m³
|
2001  |
|
|
Environment in Iraq
|
|
# 7
|
Bangladesh: |
159.12 mcg/m³
|
2001  |
|
|
Environment in Bangladesh
|
|
# 8
|
Saudi Arabia: |
152.05 mcg/m³
|
2001  |
|
|
Environment in Saudi Arabia
|
|
# 9
|
Chad: |
150.52 mcg/m³
|
2001  |
|
|
Environment in Chad
|
|
# 10
|
United Arab Emirates: |
146.14 mcg/m³
|
2001  |
|
|
Environment in United Arab Emirates
|
|
# 11
|
Uruguay: |
145.79 mcg/m³
|
2001  |
|
|
Environment in Uruguay
|
|
# 12
|
Andorra: |
132.06 mcg/m³
|
2001  |
|
|
Environment in Andorra
|
|
# 13
|
Egypt: |
127.36 mcg/m³
|
2001  |
|
|
Environment in Egypt
|
|
# 14
|
Angola: |
125.13 mcg/m³
|
2001  |
|
|
Environment in Angola
|
|
# 15
|
Kuwait: |
121.16 mcg/m³
|
2001  |
|
|
Environment in Kuwait
|
|
# 16
|
Oman: |
120.62 mcg/m³
|
2001  |
|
|
Environment in Oman
|
|
# 17
|
Indonesia: |
117.57 mcg/m³
|
2001  |
|
|
Environment in Indonesia
|
|
# 18
|
Mauritania: |
114.12 mcg/m³
|
2001  |
|
|
Environment in Mauritania
|
|
# 19
|
Senegal: |
109.31 mcg/m³
|
2001  |
|
|
Environment in Senegal
|
|
# 20
|
Trinidad and Tobago: |
107.57 mcg/m³
|
2001  |
|
|
Environment in Trinidad and Tobago
|
|
# 21
|
Syria: |
103.92 mcg/m³
|
2001  |
|
|
Environment in Syria
|
|
# 22
|
Burkina Faso: |
103.02 mcg/m³
|
2001  |
|
|
Environment in Burkina Faso
|
|
# 23
|
Yemen: |
100.46 mcg/m³
|
2001  |
|
|
Environment in Yemen
|
|
# 24
|
Bolivia: |
97.84 mcg/m³
|
2001  |
|
|
Environment in Bolivia
|
|
# 25
|
Congo, Republic of the: |
96.5 mcg/m³
|
2001  |
|
|
Environment in Congo, Republic of the
|
|
# 26
|
Libya: |
95.95 mcg/m³
|
2001  |
|
|
Environment in Libya
|
|
# 27
|
Sri Lanka: |
95.07 mcg/m³
|
2001  |
|
|
Environment in Sri Lanka
|
|
# 28
|
Gambia, The: |
93.85 mcg/m³
|
2001  |
|
|
Environment in Gambia, The
|
|
# 29
|
Paraguay: |
93.55 mcg/m³
|
2001  |
|
|
Environment in Paraguay
|
|
# 30
|
Cameroon: |
91.58 mcg/m³
|
2001  |
|
|
Environment in Cameroon
|
|
# 31
|
Nigeria: |
90.55 mcg/m³
|
2001  |
|
|
Environment in Nigeria
|
|
# 32
|
Korea, North: |
90.15 mcg/m³
|
2001  |
|
|
Environment in Korea, North
|
|
# 33
|
Armenia: |
87.9 mcg/m³
|
2001  |
|
|
Environment in Armenia
|
|
# 34
|
India: |
86.77 mcg/m³
|
2001  |
|
|
Environment in India
|
|
# 35
|
Ethiopia: |
86.7 mcg/m³
|
2001  |
|
|
Environment in Ethiopia
|
|
# 36
|
Guinea-Bissau: |
85.51 mcg/m³
|
2001  |
|
|
Environment in Guinea-Bissau
|
|
# 37
|
Algeria: |
82.81 mcg/m³
|
2001  |
|
|
Environment in Algeria
|
|
# 38
|
Botswana: |
81.87 mcg/m³
|
2001  |
|
|
Environment in Botswana
|
|
# 39
|
Uzbekistan: |
80.6 mcg/m³
|
2001  |
|
|
Environment in Uzbekistan
|
|
# 40
|
Thailand: |
79.23 mcg/m³
|
2001  |
|
|
Environment in Thailand
|
|
# 41
|
China: |
78.59 mcg/m³
|
2001  |
|
|
Environment in China
|
|
# 42
|
Eritrea: |
77.3 mcg/m³
|
2001  |
|
|
Environment in Eritrea
|
|
# 43
|
Guatemala: |
77.24 mcg/m³
|
2001  |
|
|
Environment in Guatemala
|
|
# 44
|
Turkmenistan: |
75.75 mcg/m³
|
2001  |
|
|
Environment in Turkmenistan
|
|
# 45
|
Burma: |
75.54 mcg/m³
|
2001  |
|
|
Environment in Burma
|
|
# 46
|
Iran: |
74.81 mcg/m³
|
2001  |
|
|
Environment in Iran
|
|
# 47
|
Guinea: |
74.76 mcg/m³
|
2001  |
|
|
Environment in Guinea
|
|
# 48
|
Mongolia: |
74.42 mcg/m³
|
2001  |
|
|
Environment in Mongolia
|
|
# 49
|
New Caledonia: |
74.17 mcg/m³
|
2001  |
|
|
Environment in New Caledonia
|
|
# 50
|
Bulgaria: |
74.15 mcg/m³
|
2001  |
|
|
Environment in Bulgaria
|
|
# 51
|
Peru: |
72.88 mcg/m³
|
2001  |
|
|
Environment in Peru
|
|
# 52
|
Azerbaijan: |
69.63 mcg/m³
|
2001  |
|
|
Environment in Azerbaijan
|
|
# 53
|
Vietnam: |
68.7 mcg/m³
|
2001  |
|
|
Environment in Vietnam
|
|
# 54
|
Cambodia: |
67.11 mcg/m³
|
2001  |
|
|
Environment in Cambodia
|
|
# 55
|
Argentina: |
63.8 mcg/m³
|
2001  |
|
|
Environment in Argentina
|
|
# 56
|
Qatar: |
62.96 mcg/m³
|
2001  |
|
|
Environment in Qatar
|
|
# 57
|
Congo, Democratic Republic of the: |
62.71 mcg/m³
|
2001  |
|
|
Environment in Congo, Democratic Republic of the
|
|
# 58
|
Bahrain: |
61.97 mcg/m³
|
2001  |
|
|
Environment in Bahrain
|
|
# 59
|
Jordan: |
61.83 mcg/m³
|
2001  |
|
|
Environment in Jordan
|
|
# 60
|
Panama: |
61.09 mcg/m³
|
2001  |
|
|
Environment in Panama
|
|
# 61
|
Albania: |
60.57 mcg/m³
|
2001  |
|
|
Environment in Albania
|
|
# 62
|
Sierra Leone: |
60.53 mcg/m³
|
2001  |
|
|
Environment in Sierra Leone
|
|
# 63
|
Afghanistan: |
60.26 mcg/m³
|
2001  |
|
|
Environment in Afghanistan
|
|
# 64
|
Cyprus: |
60.02 mcg/m³
|
2001  |
|
|
Environment in Cyprus
|
|
# 65
|
Turkey: |
59.71 mcg/m³
|
2001  |
|
|
Environment in Turkey
|
|
# 66
|
Tajikistan: |
59.51 mcg/m³
|
2001  |
|
|
Environment in Tajikistan
|
|
# 67
|
Chile: |
59.19 mcg/m³
|
2001  |
|
|
Environment in Chile
|
|
# 68
|
Zambia: |
58.75 mcg/m³
|
2001  |
|
|
Environment in Zambia
|
|
# 69
|
Lesotho: |
55.91 mcg/m³
|
2001  |
|
|
Environment in Lesotho
|
|
# 70
|
Lebanon: |
52.87 mcg/m³
|
2001  |
|
|
Environment in Lebanon
|
|
# 71
|
Israel: |
52.18 mcg/m³
|
2001  |
|
|
Environment in Israel
|
|
# 72
|
São Tomé and Príncipe: |
52.05 mcg/m³
|
2001  |
|
|
Environment in São Tomé and Príncipe
|
|
# 73
|
Central African Republic: |
51.64 mcg/m³
|
2001  |
|
|
Environment in Central African Republic
|
|
# 74
|
Georgia: |
51.49 mcg/m³
|
2001  |
|
|
Environment in Georgia
|
|
# 75
|
Greece: |
51.41 mcg/m³
|
2001  |
|
|
Environment in Greece
|
|
# 76
|
Namibia: |
50.3 mcg/m³
|
2001  |
|
|
Environment in Namibia
|
|
# 77
|
Laos: |
49.23 mcg/m³
|
2001  |
|
|
Environment in Laos
|
|
# 78
|
Tunisia: |
48.58 mcg/m³
|
2001  |
|
|
Environment in Tunisia
|
|
# 79
|
Comoros: |
47.9 mcg/m³
|
2001  |
|
|
Environment in Comoros
|
|
# 80
|
Haiti: |
47.22 mcg/m³
|
2001  |
|
|
Environment in Haiti
|
|
# 81
|
Honduras: |
47.18 mcg/m³
|
2001  |
|
|
Environment in Honduras
|
|
# 82
|
Macau: |
47.09 mcg/m³
|
2001  |
|
|
Environment in Macau
|
|
# 83
|
Benin: |
46.63 mcg/m³
|
2001  |
|
|
Environment in Benin
|
|
# 84
|
Nepal: |
46.5 mcg/m³
|
2001  |
|
|
Environment in Nepal
|
|
# 85
|
Brunei: |
46.45 mcg/m³
|
2001  |
|
|
Environment in Brunei
|
|
# 86
|
Côte d'Ivoire: |
46.38 mcg/m³
|
2001  |
|
|
Environment in Côte d'Ivoire
|
|
# 87
|
Jamaica: |
46.06 mcg/m³
|
2001  |
|
|
Environment in Jamaica
|
|
# 88
|
Djibouti: |
45.32 mcg/m³
|
2001  |
|
|
Environment in Djibouti
|
|
# 89
|
Liberia: |
44.97 mcg/m³
|
2001  |
|
|
Environment in Liberia
|
|
# 90
|
Korea, South: |
44.28 mcg/m³
|
2001  |
|
|
Environment in Korea, South
|
|
# 91
|
Mozambique: |
44.19 mcg/m³
|
2001  |
|
|
Environment in Mozambique
|
|
# 92
|
Malawi: |
43.77 mcg/m³
|
2001  |
|
|
Environment in Malawi
|
|
# 93
|
Faroe Islands: |
43.64 mcg/m³
|
2001  |
|
|
Environment in Faroe Islands
|
|
# 94
|
Togo: |
43.62 mcg/m³
|
2001  |
|
|
Environment in Togo
|
|
# 95
|
Singapore: |
43.48 mcg/m³
|
2001  |
|
|
Environment in Singapore
|
|
# 96
|
Kenya: |
43.46 mcg/m³
|
2001  |
|
|
Environment in Kenya
|
|
# 97
|
Mexico: |
43.11 mcg/m³
|
2001  |
|
|
Environment in Mexico
|
|
# 98
|
Suriname: |
42.6 mcg/m³
|
2001  |
|
|
Environment in Suriname
|
|
# 99
|
Ghana: |
42.13 mcg/m³
|
2001  |
|
|
Environment in Ghana
|
|
# 100
|
Madagascar: |
41.63 mcg/m³
|
2001  |
|
|
Environment in Madagascar
|
|
# 101
|
Philippines: |
41.27 mcg/m³
|
2001  |
|
|
Environment in Philippines
|
|
# 102
|
El Salvador: |
40.92 mcg/m³
|
2001  |
|
|
Environment in El Salvador
|
|
# 103
|
Moldova: |
40.19 mcg/m³
|
2001  |
|
|
Environment in Moldova
|
|
# 104
|
Tanzania: |
39.84 mcg/m³
|
2001  |
|
|
Environment in Tanzania
|
|
# 105
|
Somalia: |
39.71 mcg/m³
|
2001  |
|
|
Environment in Somalia
|
|
# 106
|
Barbados: |
39.48 mcg/m³
|
2001  |
|
|
Environment in Barbados
|
|
# 107
|
Spain: |
39.47 mcg/m³
|
2001  |
|
|
Environment in Spain
|
|
# 108
|
Virgin Islands: |
39.4 mcg/m³
|
2001  |
|
|
Environment in Virgin Islands
|
|
# 109
|
Netherlands: |
39.35 mcg/m³
|
2001  |
|
|
Environment in Netherlands
|
|
# 110
|
Poland: |
39.29 mcg/m³
|
2001  |
|
|
Environment in Poland
|
|
# 111
|
Austria: |
38.35 mcg/m³
|
2001  |
|
|
Environment in Austria
|
|
# 112
|
Guyana: |
38.05 mcg/m³
|
2001  |
|
|
Environment in Guyana
|
|
# 113
|
Dominican Republic: |
37.97 mcg/m³
|
2001  |
|
|
Environment in Dominican Republic
|
|
# 114
|
Saint Lucia: |
37.97 mcg/m³
|
2001  |
|
|
Environment in Saint Lucia
|
|
# 115
|
Bahamas, The: |
37.72 mcg/m³
|
2001  |
|
|
Environment in Bahamas, The
|
|
# 116
|
Burundi: |
37.16 mcg/m³
|
2001  |
|
|
Environment in Burundi
|
|
# 117
|
Nicaragua: |
36.24 mcg/m³
|
2001  |
|
|
Environment in Nicaragua
|
|
# 118
|
Swaziland: |
35.15 mcg/m³
|
2001  |
|
|
Environment in Swaziland
|
|
# 119
|
Croatia: |
34.75 mcg/m³
|
2001  |
|
|
Environment in Croatia
|
|
# 120
|
Saint Vincent and the Grenadines: |
34.57 mcg/m³
|
2001  |
|
|
Environment in Saint Vincent and the Grenadines
|
|
# 121
|
Brazil: |
34.37 mcg/m³
|
2001  |
|
|
Environment in Brazil
|
|
# 122
|
Rwanda: |
34.33 mcg/m³
|
2001  |
|
|
Environment in Rwanda
|
|
# 123
|
Slovenia: |
34.06 mcg/m³
|
2001  |
|
|
Environment in Slovenia
|
|
# 124
|
Solomon Islands: |
33.99 mcg/m³
|
2001  |
|
|
Environment in Solomon Islands
|
|
# 125
|
Japan: |
33.55 mcg/m³
|
2001  |
|
|
Environment in Japan
|
|
# 126
|
Italy: |
32.78 mcg/m³
|
2001  |
|
|
Environment in Italy
|
|
# 127
|
Costa Rica: |
32.73 mcg/m³
|
2001  |
|
|
Environment in Costa Rica
|
|
# 128
|
Maldives: |
31.96 mcg/m³
|
2001  |
|
|
Environment in Maldives
|
|
# 129
|
Fiji: |
31.73 mcg/m³
|
2001  |
|
|
Environment in Fiji
|
|
# 130
|
Papua New Guinea: |
31.16 mcg/m³
|
2001  |
|
|
Environment in Papua New Guinea
|
|
# 131
|
Netherlands Antilles: |
30.49 mcg/m³
|
2001  |
|
|
Environment in Netherlands Antilles
|
|
# 132
|
Portugal: |
30.36 mcg/m³
|
2001  |
|
|
Environment in Portugal
|
|
# 133
|
Dominica: |
30.3 mcg/m³
|
2001  |
|
|
Environment in Dominica
|
|
# 134
|
Switzerland: |
30.04 mcg/m³
|
2001  |
|
|
Environment in Switzerland
|
|
# 135
|
Bhutan: |
29.98 mcg/m³
|
2001  |
|
|
Environment in Bhutan
|
|
# 136
|
Malaysia: |
29.49 mcg/m³
|
2001  |
|
|
Environment in Malaysia
|
|
# 137
|
Belgium: |
29.28 mcg/m³
|
2001  |
|
|
Environment in Belgium
|
|
# 138
|
Ecuador: |
29.21 mcg/m³
|
2001  |
|
|
Environment in Ecuador
|
|
# 139
|
Ukraine: |
28.29 mcg/m³
|
2001  |
|
|
Environment in Ukraine
|
|
# 140
|
Morocco: |
28.19 mcg/m³
|
2001  |
|
|
Environment in Morocco
|
|
# 141
|
Kazakhstan: |
27.64 mcg/m³
|
2001  |
|
|
Environment in Kazakhstan
|
|
# 142
|
Zimbabwe: |
27.17 mcg/m³
|
2001  |
|
|
Environment in Zimbabwe
|
|
# 143
|
Czech Republic: |
27.01 mcg/m³
|
2001  |
|
|
Environment in Czech Republic
|
|
# 144
|
Macedonia, Republic of: |
26.59 mcg/m³
|
2001  |
|
|
Environment in Macedonia, Republic of
|
|
# 145
|
Russia: |
26.04 mcg/m³
|
2001  |
|
|
Environment in Russia
|
|
# 146
|
Kyrgyzstan: |
25.77 mcg/m³
|
2001  |
|
|
Environment in Kyrgyzstan
|
|
# 147
|
Vanuatu: |
25.54 mcg/m³
|
2001  |
|
|
Environment in Vanuatu
|
|
# 148
|
Colombia: |
25.32 mcg/m³
|
2001  |
|
|
Environment in Colombia
|
|
# 149
|
United States: |
24.98 mcg/m³
|
2001  |
|
|
Environment in United States
|
|
# 150
|
Grenada: |
24.5 mcg/m³
|
2001  |
|
|
Environment in Grenada
|
|
# 151
|
Hungary: |
23.88 mcg/m³
|
2001  |
|
|
Environment in Hungary
|
|
# 152
|
Denmark: |
23.34 mcg/m³
|
2001  |
|
|
Environment in Denmark
|
|
# 153
|
Ireland: |
23.1 mcg/m³
|
2001  |
|
|
Environment in Ireland
|
|
# 154
|
Germany: |
23.01 mcg/m³
|
2001  |
|
|
Environment in Germany
|
|
# 155
|
South Africa: |
22.75 mcg/m³
|
2001  |
|
|
Environment in South Africa
|
|
# 156
|
Romania: |
22.17 mcg/m³
|
2001  |
|
|
Environment in Romania
|
|
# 157
|
Lithuania: |
22.16 mcg/m³
|
2001  |
|
|
Environment in Lithuania
|
|
# 158
|
Saint Kitts and Nevis: |
21.88 mcg/m³
|
2001  |
|
|
Environment in Saint Kitts and Nevis
|
|
# 159
|
Bosnia and Herzegovina: |
21.56 mcg/m³
|
2001  |
|
|
Environment in Bosnia and Herzegovina
|
|
# 160
|
Canada: |
21.43 mcg/m³
|
2001  |
|
|
Environment in Canada
|
|
# 161
|
Iceland: |
21.23 mcg/m³
|
2001  |
|
|
Environment in Iceland
|
|
# 162
|
Luxembourg: |
20.77 mcg/m³
|
2001  |
|
|
Environment in Luxembourg
|
|
# 163
|
Cayman Islands: |
20.76 mcg/m³
|
2001  |
|
|
Environment in Cayman Islands
|
|
# 164
|
Finland: |
20.38 mcg/m³
|
2001  |
|
|
Environment in Finland
|
|
# 165
|
Cuba: |
20.17 mcg/m³
|
2001  |
|
|
Environment in Cuba
|
|
# 166
|
Puerto Rico: |
19.7 mcg/m³
|
2001  |
|
|
Environment in Puerto Rico
|
|
# 167
|
Serbia and Montenegro: |
19.02 mcg/m³
|
2001  |
|
|
Environment in Serbia and Montenegro
|
|
# 168
|
San Marino: |
18.93 mcg/m³
|
2001  |
|
|
Environment in San Marino
|
|
# 169
|
Belize: |
18.79 mcg/m³
|
2001  |
|
|
Environment in Belize
|
|
# 170
|
Mauritius: |
18.66 mcg/m³
|
2001  |
|
|
Environment in Mauritius
|
|
# 171
|
Slovakia: |
18.64 mcg/m³
|
2001  |
|
|
Environment in Slovakia
|
|
# 172
|
Latvia: |
18.5 mcg/m³
|
2001  |
|
|
Environment in Latvia
|
|
# 173
|
United Kingdom: |
18.49 mcg/m³
|
2001  |
|
|
Environment in United Kingdom
|
|
# 174
|
Australia: |
18.02 mcg/m³
|
2001  |
|
|
Environment in Australia
|
|
# 175
|
Estonia: |
17.94 mcg/m³
|
2001  |
|
|
Environment in Estonia
|
|
# 176
|
New Zealand: |
17.8 mcg/m³
|
2001  |
|
|
Environment in New Zealand
|
|
# 177
|
Norway: |
16.97 mcg/m³
|
2001  |
|
|
Environment in Norway
|
|
# 178
|
Uganda: |
15.92 mcg/m³
|
2001  |
|
|
Environment in Uganda
|
|
# 179
|
France: |
15.61 mcg/m³
|
2001  |
|
|
Environment in France
|
|
# 180
|
Antigua and Barbuda: |
15.01 mcg/m³
|
2001  |
|
|
Environment in Antigua and Barbuda
|
|
# 181
|
Equatorial Guinea: |
14.04 mcg/m³
|
2001  |
|
|
Environment in Equatorial Guinea
|
|
# 182
|
Sweden: |
13.68 mcg/m³
|
2001  |
|
|
Environment in Sweden
|
|
# 183
|
Venezuela: |
11.92 mcg/m³
|
2001  |
|
|
Environment in Venezuela
|
|
# 184
|
Belarus: |
10.22 mcg/m³
|
2001  |
|
|
Environment in Belarus
|
|
# 185
|
Gabon: |
7.43 mcg/m³
|
2001  |
|
|
Environment in Gabon
|
| |
Weighted average: |
56.4 mcg/m³ |
|
|