emissions of air pollutants by country

Carbon monoxide (CO) is a pollutant produced from the incomplete combustion of carbon-based fuels such as oil, gas, wood, and coal. CO is a harmful gas that contributes to both outdoor and indoor air pollution.

Countries reporting
214
Highest
131.31 million tonnes
China
Lowest
0 tonnes
Palestine
Median
289,870 tonnes
Years covered
273
1750–2022
Data points
60,060

What the numbers show

emissions of air pollutants is currently reported for 214 countries. The highest value is 131.31 million tonnes in China; the lowest is 0 tonnes in Palestine.

The median across all reporting countries is 289,870 tonnes, and the mean is 1.98 million tonnes.

Over the past decade 84 countries rose and 128 fell. The largest increase was in Israel (up 100.0%), and the largest decrease in Palau (down 78.7%).

emissions of air pollutants: full country ranking

#Country LatestYear 10-year changeTrend
1 China 131.31 million tonnes 2022 down 33.2% volatile
2 India 46.97 million tonnes 2022 down 2.7% volatile
3 Nigeria 23.32 million tonnes 2022 up 12.4% volatile
4 United States 21.97 million tonnes 2022 down 37.6% volatile
5 Pakistan 13.68 million tonnes 2022 up 39.5% volatile
6 Indonesia 13.06 million tonnes 2022 down 45.5% volatile
7 Brazil 7.96 million tonnes 2022 down 16.4% volatile
8 Ethiopia 7.75 million tonnes 2022 up 7.9% volatile
9 Russia 7.02 million tonnes 2022 down 12.8% rising
10 Thailand 6.89 million tonnes 2022 down 37.0% volatile
11 Vietnam 5.97 million tonnes 2022 down 29.9% volatile
12 Democratic Republic of Congo 5.25 million tonnes 2022 up 30.5% volatile
13 Malaysia 4.68 million tonnes 2022 up 35.8% volatile
14 Egypt 4.50 million tonnes 2022 up 59.1% volatile
15 South Africa 4.37 million tonnes 2022 down 17.3% volatile
16 Kenya 4.22 million tonnes 2022 up 25.2% volatile
17 Tanzania 3.79 million tonnes 2022 up 23.8% volatile
18 Kazakhstan 3.59 million tonnes 2022 up 22.6% volatile
19 Philippines 3.50 million tonnes 2022 up 9.4% volatile
20 Uganda 3.38 million tonnes 2022 up 24.5% volatile
21 Mexico 3.20 million tonnes 2022 down 31.9% volatile
22 Bangladesh 3.12 million tonnes 2022 up 10.0% volatile
23 Japan 3.06 million tonnes 2022 down 31.9% volatile
24 Myanmar 3.03 million tonnes 2022 up 10.8% volatile
25 Canada 2.88 million tonnes 2022 down 15.6% volatile
26 Nepal 2.60 million tonnes 2022 up 37.8% volatile
27 France 2.55 million tonnes 2022 down 28.1% rising
28 Germany 2.46 million tonnes 2022 down 22.7% rising
29 Poland 2.38 million tonnes 2022 down 23.4% rising
30 Sudan 2.29 million tonnes 2022 up 13.9% volatile
31 North Korea 2.27 million tonnes 2022 down 26.5% volatile
32 Mozambique 2.03 million tonnes 2022 up 60.3% volatile
33 Italy 1.94 million tonnes 2022 down 25.8% rising
34 Zambia 1.88 million tonnes 2022 up 27.6% volatile
35 Madagascar 1.77 million tonnes 2022 up 53.0% volatile
36 Sri Lanka 1.76 million tonnes 2022 down 2.6% volatile
37 Guatemala 1.75 million tonnes 2022 up 32.4% volatile
38 Cote d'Ivoire 1.65 million tonnes 2022 up 5.1% volatile
39 Zimbabwe 1.63 million tonnes 2022 up 16.6% volatile
40 Angola 1.61 million tonnes 2022 up 14.1% volatile
41 Cambodia 1.60 million tonnes 2022 up 6.0% volatile
42 Australia 1.56 million tonnes 2022 down 27.0% volatile
43 Colombia 1.32 million tonnes 2022 up 6.4% volatile
44 Algeria 1.30 million tonnes 2022 down 5.9% volatile
45 Turkey 1.28 million tonnes 2022 down 30.9% volatile
46 Iran 1.25 million tonnes 2022 down 0.8% volatile
47 Cameroon 1.25 million tonnes 2022 up 23.4% volatile
48 United Kingdom 1.21 million tonnes 2022 down 29.9% volatile
49 Ukraine 1.20 million tonnes 2022 down 37.9% rising
50 Somalia 1.16 million tonnes 2022 up 1.7% volatile
51 Afghanistan 1.10 million tonnes 2022 up 11.7% volatile
52 Ghana 1.09 million tonnes 2022 up 32.5% volatile
53 Haiti 1.08 million tonnes 2022 up 6.9% volatile
54 Spain 1.03 million tonnes 2022 down 17.0% volatile
55 Burkina Faso 987,249 tonnes 2022 up 1.7% volatile
56 Saudi Arabia 910,496 tonnes 2022 down 15.5% volatile
57 Libya 896,496 tonnes 2022 down 24.4% volatile
58 Uzbekistan 867,112 tonnes 2022 up 16.2% volatile
59 South Sudan 859,132 tonnes 2022 up 24.7% volatile
60 Romania 858,597 tonnes 2022 down 3.0% rising
61 Chile 858,543 tonnes 2022 down 32.2% volatile
62 Argentina 828,110 tonnes 2022 down 1.9% volatile
63 Peru 817,541 tonnes 2022 down 0.2% volatile
64 Turkmenistan 815,099 tonnes 2022 up 67.5% volatile
65 Guinea 802,028 tonnes 2022 down 4.7% volatile
66 Tajikistan 794,717 tonnes 2022 up 25.4% volatile
67 South Korea 793,040 tonnes 2022 down 22.9% rising
68 United Arab Emirates 779,663 tonnes 2022 up 10.9% volatile
69 Czechia 778,281 tonnes 2022 down 10.6% volatile
70 Benin 744,207 tonnes 2022 up 32.0% volatile
71 Togo 697,678 tonnes 2022 up 29.1% volatile
72 Morocco 631,910 tonnes 2022 up 3.0% volatile
73 Niger 598,353 tonnes 2022 up 67.5% volatile
74 Paraguay 597,454 tonnes 2022 up 14.7% volatile
75 Chad 576,398 tonnes 2022 up 3.7% volatile
76 Malawi 528,084 tonnes 2022 up 7.0% volatile
77 Taiwan 520,865 tonnes 2022 down 18.9% volatile
78 Liberia 520,771 tonnes 2022 up 1.0% volatile
79 Austria 517,344 tonnes 2022 down 8.9% volatile
80 Venezuela 486,552 tonnes 2022 down 75.5% volatile
81 Iraq 480,622 tonnes 2022 up 10.5% volatile
82 Mali 472,066 tonnes 2022 up 15.5% volatile
83 New Zealand 470,888 tonnes 2022 down 32.0% volatile
84 Gabon 458,700 tonnes 2022 up 32.5% volatile
85 Netherlands 457,898 tonnes 2022 down 32.8% rising
86 Tunisia 454,469 tonnes 2022 down 2.2% volatile
87 Sierra Leone 444,930 tonnes 2022 down 0.4% volatile
88 Ecuador 425,124 tonnes 2022 up 3.1% volatile
89 Burundi 424,356 tonnes 2022 up 14.8% volatile
90 Honduras 420,063 tonnes 2022 down 18.4% volatile
91 Norway 417,395 tonnes 2022 down 4.4% volatile
92 Kyrgyzstan 412,882 tonnes 2022 down 45.1% volatile
93 Laos 406,508 tonnes 2022 up 4.6% volatile
94 Belarus 390,067 tonnes 2022 down 42.8% volatile
95 Dominican Republic 387,972 tonnes 2022 up 7.9% volatile
96 Greece 382,295 tonnes 2022 down 34.1% volatile
97 Rwanda 374,691 tonnes 2022 up 13.7% volatile
98 Senegal 369,759 tonnes 2022 down 28.7% volatile
99 Congo 358,556 tonnes 2022 up 8.6% volatile
100 Hungary 322,664 tonnes 2022 down 41.8% rising
101 Slovakia 318,746 tonnes 2022 down 25.3% volatile
102 Serbia 316,128 tonnes 2022 down 11.0% volatile
103 Israel 315,167 tonnes 2022 up 100.0% volatile
104 Belgium 308,427 tonnes 2022 down 14.1% rising
105 Finland 297,833 tonnes 2022 down 22.2% volatile
106 Papua New Guinea 292,055 tonnes 2022 up 0.1% volatile
107 Bhutan 290,484 tonnes 2022 up 3.1% volatile
108 Bahrain 289,256 tonnes 2022 up 29.2% volatile
109 Mongolia 286,757 tonnes 2022 down 43.3% volatile
110 Uruguay 271,734 tonnes 2022 up 27.1% volatile
111 Nicaragua 266,923 tonnes 2022 up 5.2% volatile
112 Sweden 263,128 tonnes 2022 down 24.5% rising
113 Bolivia 260,279 tonnes 2022 up 2.7% volatile
114 Bosnia and Herzegovina 248,054 tonnes 2022 up 69.2% volatile
115 Bulgaria 241,580 tonnes 2022 down 44.7% volatile
116 Singapore 239,968 tonnes 2022 down 7.1% volatile
117 Syria 238,310 tonnes 2022 down 4.1% volatile
118 Portugal 224,446 tonnes 2022 down 26.8% volatile
119 Mauritania 217,254 tonnes 2022 up 13.1% volatile
120 Croatia 213,735 tonnes 2022 down 25.5% volatile
121 Eritrea 200,699 tonnes 2022 up 24.6% volatile
122 Qatar 194,508 tonnes 2022 down 4.0% volatile
123 Denmark 183,104 tonnes 2022 down 35.5% volatile
124 Costa Rica 180,322 tonnes 2022 down 12.6% volatile
125 Central African Republic 175,886 tonnes 2022 down 0.9% volatile
126 Oman 175,110 tonnes 2022 down 16.4% volatile
127 Cuba 168,694 tonnes 2022 down 8.7% volatile
128 Guinea-Bissau 167,968 tonnes 2022 down 6.0% volatile
129 Yemen 166,882 tonnes 2022 down 21.9% volatile
130 Lesotho 164,415 tonnes 2022 down 13.2% volatile
131 Maldives 158,394 tonnes 2022 up 6.1% volatile
132 Kuwait 152,708 tonnes 2022 up 0.7% volatile
133 Namibia 151,004 tonnes 2022 up 12.1% volatile
134 Botswana 148,655 tonnes 2022 down 3.4% volatile
135 Panama 148,041 tonnes 2022 down 1.1% volatile
136 Switzerland 143,602 tonnes 2022 down 33.5% volatile
137 El Salvador 136,748 tonnes 2022 down 13.2% volatile
138 Azerbaijan 129,062 tonnes 2022 down 11.6% volatile
139 Jamaica 120,820 tonnes 2022 up 19.0% volatile
140 Hong Kong 119,214 tonnes 2022 down 4.8% volatile
141 Georgia 109,073 tonnes 2022 down 9.3% volatile
143 Lithuania 106,776 tonnes 2022 down 27.4% volatile
144 Estonia 105,763 tonnes 2022 down 23.2% volatile
145 Latvia 101,213 tonnes 2022 down 35.9% rising
146 Lebanon 100,190 tonnes 2022 down 29.3% volatile
147 Iceland 93,987 tonnes 2022 down 11.3% volatile
148 Moldova 89,229 tonnes 2022 down 36.6% rising
149 Slovenia 84,043 tonnes 2022 down 36.6% volatile
150 Trinidad and Tobago 80,362 tonnes 2022 down 29.2% volatile
151 Jordan 79,784 tonnes 2022 up 9.9% volatile
152 Gambia 72,131 tonnes 2022 up 11.3% volatile
153 Equatorial Guinea 59,598 tonnes 2022 up 20.2% volatile
154 Eswatini 55,289 tonnes 2022 up 1.1% volatile
155 Djibouti 49,527 tonnes 2022 up 12.3% volatile
156 North Macedonia 46,446 tonnes 2022 down 28.1% volatile
157 Albania 45,848 tonnes 2022 down 29.9% rising
158 Guyana 44,719 tonnes 2022 up 9.0% rising
159 Reunion 41,483 tonnes 2022 up 39.0% volatile
160 New Caledonia 38,813 tonnes 2022 up 26.5% volatile
161 Comoros 37,392 tonnes 2022 up 9.6% volatile
162 Mauritius 37,006 tonnes 2022 down 6.4% volatile
163 Curacao 31,812 tonnes 2022 down 25.6% volatile
164 Armenia 29,143 tonnes 2022 up 18.0% volatile
165 Montenegro 27,421 tonnes 2022 down 35.8% volatile
166 Bahamas 25,222 tonnes 2022 down 19.1% volatile
167 Suriname 24,685 tonnes 2022 down 9.9% volatile
169 Cape Verde 23,120 tonnes 2022 up 14.8% volatile
172 Bermuda 19,099 tonnes 2022 up 0.1% volatile
173 Fiji 19,050 tonnes 2022 up 16.8% volatile
174 Seychelles 17,405 tonnes 2022 up 59.6% volatile
175 Gibraltar 14,381 tonnes 2022 up 5.5% volatile
176 Barbados 13,615 tonnes 2022 down 21.3% rising
177 Puerto Rico 12,616 tonnes 2022 down 39.3% volatile
179 Sao Tome and Principe 10,777 tonnes 2022 up 8.0% volatile
180 East Timor 10,541 tonnes 2022 down 6.2% volatile
181 Cyprus 10,399 tonnes 2022 down 21.4% rising
182 Belize 9,012 tonnes 2022 down 1.0% volatile
183 Aruba 8,653 tonnes 2022 down 13.7% volatile
184 Saint Lucia 8,096 tonnes 2022 down 2.4% volatile
185 Brunei 7,766 tonnes 2022 down 38.9% volatile
186 French Polynesia 7,575 tonnes 2022 down 12.8% volatile
187 Palau 7,351 tonnes 2022 down 78.7% volatile
188 Antigua and Barbuda 6,743 tonnes 2022 down 9.5% volatile
189 French Guiana 6,503 tonnes 2022 down 7.7% volatile
190 Sint Maarten (Dutch part) 5,731 tonnes 2022 down 15.5% volatile
191 Solomon Islands 5,643 tonnes 2022 down 18.1% volatile
192 Vanuatu 5,641 tonnes 2022 down 11.2% volatile
193 Cayman Islands 5,633 tonnes 2022 down 12.2% volatile
194 Samoa 4,814 tonnes 2022 down 15.8% volatile
195 Macao 4,633 tonnes 2022 down 56.1% volatile
196 Grenada 3,825 tonnes 2022 down 9.3% rising
197 Saint Kitts and Nevis 3,521 tonnes 2022 down 5.9% rising
198 United States Virgin Islands 3,262 tonnes 2022 down 16.4% volatile
199 Saint Vincent and the Grenadines 2,836 tonnes 2022 down 17.6% flat
200 Tonga 2,435 tonnes 2022 down 4.4% volatile
201 Micronesia (country) 2,235 tonnes 2022 down 12.0% volatile
202 Western Sahara 2,044 tonnes 2022 down 14.0% volatile
203 British Virgin Islands 1,964 tonnes 2022 down 8.4% volatile
204 Dominica 1,905 tonnes 2022 down 6.5% volatile
205 Montserrat 1,843 tonnes 2022 up 15.4% volatile
206 Turks and Caicos Islands 1,458 tonnes 2022 down 3.8% volatile
207 Kiribati 1,329 tonnes 2022 down 5.2% volatile
208 Marshall Islands 1,061 tonnes 2022 down 14.0% volatile
209 Cook Islands 610.84 tonnes 2022 down 9.5% volatile
210 American Samoa 610.7 tonnes 2022 down 21.2% volatile
211 Saint Pierre and Miquelon 505.86 tonnes 2022 down 4.4% volatile
212 Falkland Islands 445.69 tonnes 2022 down 7.8% volatile
213 Wallis and Futuna 329.13 tonnes 2022 down 12.7% volatile
214 Niue 78.65 tonnes 2022 down 9.2% volatile
215 Faroe Islands 52.92 tonnes 2022 down 1.5% falling
216 Tokelau 18.57 tonnes 2022 down 9.1% volatile
218 Greenland 3.77 tonnes 2022 up 0.7% volatile
219 Guam 0 tonnes 2022 volatile
219 Palestine 0 tonnes 2022 flat

About this data

Indicator
emissions of air pollutants
Unit
tonnes
Source
Hoesly et al. (2024) - Community Emissions Data System (CEDS) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
220 places, 60,060 data points, 1750–2022
Last refreshed

Carbon monoxide (CO) is a pollutant produced from the incomplete combustion of carbon-based fuels such as oil, gas, wood, and coal. CO is a harmful gas that contributes to both outdoor and indoor air pollution.