Air pollutants

This entry refers to specified gases and particulates released by various sources of animals, plants, goods, and processes that can contribute to global warming, poor air quality, pollution, and climate change.

particulate matter emissions - This entry provides the modeled annual mean concentration of particulate matter of less than 2.5 microns in diameter (PM_2.5) measured in micrograms per cubic meter of air. Exposure to PM_2.5 pollutants should not exceed an annual mean concentration of 10 micrograms per cubic meter, according to World Health Organization guidelines. Particulate matter are inhalable and respirable particles composed of sulphate, nitrates, ammonia, sodium chloride, black carbon, mineral dust, and water. Fine particles less than 2.5 microns pose the greatest health risks because they can penetrate the lungs and enter the bloodstream. Sources include combustion engines, solid-fuel combustion, and other industrial activities. Exposure to high concentrations of particulate matter is associated with increased mortality and morbidity, although even low concentrations of particulate matter can impact health. By reducing air pollution levels, countries can decrease the burden of disease from stroke, heart disease, lung cancer, and both chronic and acute respiratory diseases, including asthma.

carbon dioxide emissions - This entry provides the annual quantity of carbon dioxide emissions for a country, as measured in megatons.  Carbon dioxide is a greenhouse gas emitted through human-influenced and natural processes. Human-influenced sources include the burning of fossil fuels (including coal, natural gas, and oil), solid waste, trees, and other biological materials, as well as certain chemical processes, such as cement production. Natural sources include decomposition, ocean release, and respiration. Carbon dioxide is a major contributor to climate warming, air quality, global warming, and pollution.

methane emissions - This entry provides the annual quantity of methane emissions for a country, as measured in megatons. Methane is a greenhouse gas emitted from the breakdown of organic material from human-influenced and natural processes. Human-influenced sources include the production and transport of coal, natural gas, and oil; the decay of organic waste in landfills; agricultural activities; stationary and mobile combustion; waste water treatment; and certain industrial processes. Natural sources include the decay of plant material in wetlands, the seepage of gas from underground deposits, and the digestion of food by ruminants. Methane emissions cause poor air quality, health issues for animals and humans, and reduced crop yields, and are a contributor to climate change.

• Afghanistan

  particulate matter emissions: 53.17 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 8.67 megatons (2016 est.)
  
  methane emissions: 90.98 megatons (2020 est.)

• Albania

  particulate matter emissions: 17.87 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 4.54 megatons (2016 est.)
  
  methane emissions: 2.55 megatons (2020 est.)

• Algeria

  particulate matter emissions: 35.17 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 150.01 megatons (2016 est.)
  
  methane emissions: 49.94 megatons (2020 est.)

• Andorra

  particulate matter emissions: 9.95 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 0.47 megatons (2016 est.)
  
  methane emissions: 0.05 megatons (2020 est.)

• Angola

  particulate matter emissions: 27.95 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 34.69 megatons (2016 est.)
  
  methane emissions: 23.28 megatons (2020 est.)

• Antigua and Barbuda

  particulate matter emissions: 17.92 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 0.56 megatons (2016 est.)
  
  methane emissions: 0.22 megatons (2020 est.)

• Argentina

  particulate matter emissions: 11.83 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 201.35 megatons (2016 est.)
  
  methane emissions: 120.66 megatons (2020 est.)

• Armenia

  particulate matter emissions: 30.48 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 5.16 megatons (2016 est.)
  
  methane emissions: 2.91 megatons (2020 est.)

• Aruba

  carbon dioxide emissions: 0.88 megatons (2016 est.)

• Australia

  particulate matter emissions: 7.19 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 375.91 megatons (2016 est.)
  
  methane emissions: 105.01 megatons (2020 est.)

• Austria

  particulate matter emissions: 12.43 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 61.45 megatons (2016 est.)
  
  methane emissions: 6.34 megatons (2020 est.)

• Azerbaijan

  particulate matter emissions: 18.2 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 37.62 megatons (2016 est.)
  
  methane emissions: 44.87 megatons (2020 est.)

• Bahamas, The

  particulate matter emissions: 17.56 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 1.79 megatons (2016 est.)
  
  methane emissions: 0.23 megatons (2020 est.)

• Bahrain

  particulate matter emissions: 69.04 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 31.69 megatons (2016 est.)
  
  methane emissions: 15.47 megatons (2020 est.)

• Bangladesh

  particulate matter emissions: 58.33 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 84.25 megatons (2016 est.)
  
  methane emissions: 59.3 megatons (2020 est.)

• Barbados

  particulate matter emissions: 22.24 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 1.28 megatons (2016 est.)
  
  methane emissions: 2.35 megatons (2020 est.)

• Belarus

  particulate matter emissions: 18.06 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 58.28 megatons (2016 est.)
  
  methane emissions: 17.19 megatons (2020 est.)

• Belgium

  particulate matter emissions: 12.88 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 96.89 megatons (2016 est.)
  
  methane emissions: 7.78 megatons (2020 est.)

• Belize

  particulate matter emissions: 21.23 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 0.57 megatons (2016 est.)
  
  methane emissions: 0.55 megatons (2020 est.)

• Benin

  particulate matter emissions: 33.11 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 6.48 megatons (2016 est.)
  
  methane emissions: 5.8 megatons (2020 est.)

• Bermuda

  carbon dioxide emissions: 0.61 megatons (2016 est.)

• Bhutan

  particulate matter emissions: 35.32 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 1.26 megatons (2016 est.)
  
  methane emissions: 1.11 megatons (2020 est.)

• Bolivia

  particulate matter emissions: 20.24 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 21.61 megatons (2016 est.)
  
  methane emissions: 21.01 megatons (2020 est.)

• Bosnia and Herzegovina

  particulate matter emissions: 27.25 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 21.85 megatons (2016 est.)
  
  methane emissions: 2.92 megatons (2020 est.)

• Botswana

  particulate matter emissions: 21.24 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 6.34 megatons (2016 est.)
  
  methane emissions: 5.73 megatons (2020 est.)

• Brazil

  particulate matter emissions: 11.49 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 462.3 megatons (2016 est.)
  
  methane emissions: 401.83 megatons (2020 est.)

• British Virgin Islands

  carbon dioxide emissions: 0.21 megatons (2016 est.)

• Brunei

  particulate matter emissions: 5.78 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 7.66 megatons (2016 est.)
  
  methane emissions: 8.4 megatons (2020 est.)

• Bulgaria

  particulate matter emissions: 18.82 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 41.71 megatons (2016 est.)
  
  methane emissions: 6.77 megatons (2020 est.)

• Burkina Faso

  particulate matter emissions: 36.78 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 3.42 megatons (2016 est.)
  
  methane emissions: 12.85 megatons (2020 est.)

• Burma

  particulate matter emissions: 34.69 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 25.28 megatons (2016 est.)
  
  methane emissions: 42.2 megatons (2020 est.)

• Burundi

  particulate matter emissions: 35.61 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 0.5 megatons (2016 est.)
  
  methane emissions: 1.42 megatons (2020 est.)

• Cabo Verde

  particulate matter emissions: 31.99 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 0.54 megatons (2016 est.)
  
  methane emissions: 0.13 megatons (2020 est.)

• Cambodia

  particulate matter emissions: 23.98 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 9.92 megatons (2016 est.)
  
  methane emissions: 14.88 megatons (2020 est.)

• Cameroon

  particulate matter emissions: 65.26 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 8.29 megatons (2016 est.)
  
  methane emissions: 30.71 megatons (2020 est.)

• Canada

  particulate matter emissions: 6.48 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 544.89 megatons (2016 est.)
  
  methane emissions: 101.82 megatons (2020 est.)

• Cayman Islands

  carbon dioxide emissions: 0.55 megatons (2016 est.)

• Central African Republic

  particulate matter emissions: 49.5 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 0.3 megatons (2016 est.)
  
  methane emissions: 22.44 megatons (2020 est.)

• Chad

  particulate matter emissions: 53.01 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 1.02 megatons (2016 est.)
  
  methane emissions: 30.69 megatons (2020 est.)

• Chile

  particulate matter emissions: 21.03 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 85.82 megatons (2016 est.)
  
  methane emissions: 15.97 megatons (2020 est.)

• China

  particulate matter emissions: 49.16 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 9,893.04 megatons (2016 est.)
  
  methane emissions: 1,490.24 megatons (2020 est.)

• Colombia

  particulate matter emissions: 15.24 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 97.81 megatons (2016 est.)
  
  methane emissions: 81.52 megatons (2020 est.)

• Comoros

  particulate matter emissions: 18.6 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 0.2 megatons (2016 est.)
  
  methane emissions: 0.19 megatons (2020 est.)

• Congo, Democratic Republic of the

  particulate matter emissions: 37.62 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 2.02 megatons (2016 est.)
  
  methane emissions: 61.24 megatons (2020 est.)

• Congo, Republic of the

  particulate matter emissions: 38.67 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 3.28 megatons (2016 est.)
  
  methane emissions: 2.24 megatons (2020 est.)

• Cook Islands

  particulate matter emissions: 12.03 micrograms per cubic meter (2016 est.)

• Costa Rica

  particulate matter emissions: 15.85 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 8.02 megatons (2016 est.)
  
  methane emissions: 5.61 megatons (2020 est.)

• Cote d'Ivoire

  particulate matter emissions: 23.72 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 9.67 megatons (2016 est.)
  
  methane emissions: 10.3 megatons (2020 est.)

• Croatia

  particulate matter emissions: 17.03 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 17.49 megatons (2016 est.)
  
  methane emissions: 3.98 megatons (2020 est.)

• Cuba

  particulate matter emissions: 18.37 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 28.28 megatons (2016 est.)
  
  methane emissions: 9.3 megatons (2020 est.)

• Curacao

  carbon dioxide emissions: 5.39 megatons (2016 est.)

• Cyprus

  particulate matter emissions: 16.79 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 6.63 megatons (2016 est.)
  
  methane emissions: 0.86 megatons (2020 est.)

• Czechia

  particulate matter emissions: 15.15 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 102.22 megatons (2016 est.)
  
  methane emissions: 13.11 megatons (2020 est.)

• Denmark

  particulate matter emissions: 10.12 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 31.79 megatons (2016 est.)
  
  methane emissions: 6.54 megatons (2020 est.)

• Djibouti

  particulate matter emissions: 40.38 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 0.62 megatons (2016 est.)
  
  methane emissions: 0.52 megatons (2020 est.)

• Dominica

  particulate matter emissions: 18.17 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 0.18 megatons (2016 est.)
  
  methane emissions: 0.04 megatons (2020 est.)

• Dominican Republic

  particulate matter emissions: 12.95 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 25.26 megatons (2016 est.)
  
  methane emissions: 8.1 megatons (2020 est.)

• Ecuador

  particulate matter emissions: 14.91 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 41.15 megatons (2016 est.)
  
  methane emissions: 23.51 megatons (2020 est.)

• Egypt

  particulate matter emissions: 79.28 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 238.56 megatons (2016 est.)
  
  methane emissions: 59.68 megatons (2020 est.)

• El Salvador

  particulate matter emissions: 23.42 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 7.17 megatons (2016 est.)
  
  methane emissions: 4.71 megatons (2020 est.)

• Equatorial Guinea

  particulate matter emissions: 45.9 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 5.65 megatons (2016 est.)
  
  methane emissions: 11.21 megatons (2020 est.)

• Eritrea

  particulate matter emissions: 42.4 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 0.71 megatons (2016 est.)
  
  methane emissions: 4.48 megatons (2020 est.)

• Estonia

  particulate matter emissions: 6.74 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 16.59 megatons (2016 est.)
  
  methane emissions: 0.99 megatons (2020 est.)

• Eswatini

  particulate matter emissions: 16.26 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 1.16 megatons (2016 est.)
  
  methane emissions: 1.9 megatons (2020 est.)

• Ethiopia

  particulate matter emissions: 34.36 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 14.87 megatons (2016 est.)
  
  methane emissions: 114.21 megatons (2020 est.)

• European Union

  carbon dioxide emissions: 2,881.62 megatons (2016 est.)

• Faroe Islands

  carbon dioxide emissions: 0.63 megatons (2016 est.)

• Fiji

  particulate matter emissions: 10.19 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 2.05 megatons (2016 est.)
  
  methane emissions: 0.95 megatons (2020 est.)

• Finland

  particulate matter emissions: 5.88 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 45.87 megatons (2016 est.)
  
  methane emissions: 4.46 megatons (2020 est.)

• France

  particulate matter emissions: 11.64 micrograms per cubic meter (2016 est.)
  
  methane emissions: 55.99 megatons (2020 est.)

• French Polynesia

  carbon dioxide emissions: 0.77 megatons (2016 est.)

• Gabon

  particulate matter emissions: 38.51 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 5.32 megatons (2016 est.)
  
  methane emissions: 1.13 megatons (2020 est.)

• Gambia, The

  particulate matter emissions: 32.2 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 0.53 megatons (2016 est.)
  
  methane emissions: 1.96 megatons (2020 est.)

• Gaza Strip

  carbon dioxide emissions: 3.23 megatons (2016 est.)
  
  note: data represent combined total from the Gaza Strip and the West Bank.

• Georgia

  particulate matter emissions: 21.2 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 10.13 megatons (2016 est.)
  
  methane emissions: 6.05 megatons (2020 est.)

• Germany

  particulate matter emissions: 11.71 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 727.97 megatons (2016 est.)
  
  methane emissions: 49.92 megatons (2020 est.)

• Ghana

  particulate matter emissions: 31.95 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 16.67 megatons (2016 est.)
  
  methane emissions: 22.75 megatons (2020 est.)

• Gibraltar

  carbon dioxide emissions: 0.63 megatons (2016 est.)

• Greece

  particulate matter emissions: 15.69 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 62.43 megatons (2016 est.)
  
  methane emissions: 9.8 megatons (2020 est.)

• Greenland

  carbon dioxide emissions: 0.51 megatons (2016 est.)

• Grenada

  particulate matter emissions: 21.56 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 0.27 megatons (2016 est.)
  
  methane emissions: 2.04 megatons (2020 est.)

• Guatemala

  particulate matter emissions: 23.59 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 16.78 megatons (2016 est.)
  
  methane emissions: 10.7 megatons (2020 est.)

• Guinea

  particulate matter emissions: 22.43 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 3 megatons (2016 est.)
  
  methane emissions: 11.13 megatons (2020 est.)

• Guinea-Bissau

  particulate matter emissions: 27.12 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 0.29 megatons (2016 est.)
  
  methane emissions: 1.46 megatons (2020 est.)

• Guyana

  particulate matter emissions: 20.46 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 2.38 megatons (2016 est.)
  
  methane emissions: 1.81 megatons (2020 est.)

• Haiti

  particulate matter emissions: 14.63 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 2.98 megatons (2016 est.)
  
  methane emissions: 6.12 megatons (2020 est.)

• Holy See (Vatican City)

  methane emissions: 0 megatons (2020 est.)

• Honduras

  particulate matter emissions: 20.12 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 9.81 megatons (2016 est.)
  
  methane emissions: 7.72 megatons (2020 est.)

• Hong Kong

  carbon dioxide emissions: 43.64 megatons (2016 est.)

• Hungary

  particulate matter emissions: 15.62 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 45.54 megatons (2016 est.)
  
  methane emissions: 7.25 megatons (2020 est.)

• Iceland

  particulate matter emissions: 5.94 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 2.06 megatons (2016 est.)
  
  methane emissions: 0.59 megatons (2020 est.)

• India

  particulate matter emissions: 65.2 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 2,407.67 megatons (2016 est.)
  
  methane emissions: 559.11 megatons (2020 est.)

• Indonesia

  particulate matter emissions: 15.58 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 563.32 megatons (2016 est.)
  
  methane emissions: 244.5 megatons (2020 est.)

• Iran

  particulate matter emissions: 35.09 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 661.71 megatons (2016 est.)
  
  methane emissions: 158.71 megatons (2020 est.)

• Iraq

  particulate matter emissions: 57.73 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 190.06 megatons (2016 est.)
  
  methane emissions: 17.44 megatons (2020 est.)

• Ireland

  particulate matter emissions: 8.26 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 37.71 megatons (2016 est.)
  
  methane emissions: 13.67 megatons (2020 est.)

• Israel

  particulate matter emissions: 19.46 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 65.17 megatons (2016 est.)
  
  methane emissions: 13.02 megatons (2020 est.)

• Italy

  particulate matter emissions: 15.28 micrograms per cubic meter (2016 est.)
  
  methane emissions: 41.3 megatons (2020 est.)

• Jamaica

  particulate matter emissions: 13.25 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 8.23 megatons (2016 est.)
  
  methane emissions: 1.08 megatons (2020 est.)

• Japan

  particulate matter emissions: 11.45 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 1,135.89 megatons (2016 est.)
  
  methane emissions: 29.99 megatons (2020 est.)

• Jordan

  particulate matter emissions: 32.09 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 25.11 megatons (2016 est.)
  
  methane emissions: 6.04 megatons (2020 est.)

• Kazakhstan

  particulate matter emissions: 11.32 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 247.21 megatons (2016 est.)
  
  methane emissions: 45.03 megatons (2020 est.)

• Kenya

  particulate matter emissions: 25.85 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 17.91 megatons (2016 est.)
  
  methane emissions: 37.65 megatons (2020 est.)

• Kiribati

  particulate matter emissions: 10.45 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 0.07 megatons (2016 est.)
  
  methane emissions: 0.02 megatons (2020 est.)

• Korea, North

  particulate matter emissions: 30.4 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 28.28 megatons (2016 est.)
  
  methane emissions: 18.68 megatons (2020 est.)

• Korea, South

  particulate matter emissions: 24.57 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 620.3 megatons (2016 est.)
  
  methane emissions: 30.28 megatons (2020 est.)

• Kosovo

  carbon dioxide emissions: 8.94 megatons (2016 est.)
  
  methane emissions: 0.54 megatons (2020 est.)

• Kuwait

  particulate matter emissions: 57.17 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 98.73 megatons (2016 est.)
  
  methane emissions: 6.21 megatons (2020 est.)

• Kyrgyzstan

  particulate matter emissions: 18.12 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 9.79 megatons (2016 est.)
  
  methane emissions: 4.47 megatons (2020 est.)

• Laos

  particulate matter emissions: 24.49 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 17.76 megatons (2016 est.)
  
  methane emissions: 9 megatons (2020 est.)

• Latvia

  particulate matter emissions: 12.72 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 7 megatons (2016 est.)
  
  methane emissions: 1.85 megatons (2020 est.)

• Lebanon

  particulate matter emissions: 30.67 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 24.8 megatons (2016 est.)
  
  methane emissions: 3.37 megatons (2020 est.)

• Lesotho

  particulate matter emissions: 27.78 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 2.51 megatons (2016 est.)
  
  methane emissions: 2.56 megatons (2020 est.)

• Liberia

  particulate matter emissions: 17.19 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 1.39 megatons (2016 est.)
  
  methane emissions: 6.56 megatons (2020 est.)

• Libya

  particulate matter emissions: 44.17 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 50.56 megatons (2016 est.)
  
  methane emissions: 45.76 megatons (2020 est.)

• Liechtenstein

  carbon dioxide emissions: 0.05 megatons (2016 est.)
  
  methane emissions: 0.02 megatons (2020 est.)

• Lithuania

  particulate matter emissions: 11.49 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 12.96 megatons (2016 est.)
  
  methane emissions: 3.15 megatons (2020 est.)

• Luxembourg

  particulate matter emissions: 10.21 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 8.99 megatons (2016 est.)
  
  methane emissions: 0.61 megatons (2020 est.)

• Macau

  carbon dioxide emissions: 2.07 megatons (2016 est.)

• Madagascar

  particulate matter emissions: 21.44 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 3.91 megatons (2016 est.)
  
  methane emissions: 10.14 megatons (2020 est.)

• Malawi

  particulate matter emissions: 22.14 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 1.3 megatons (2016 est.)
  
  methane emissions: 11.12 megatons (2020 est.)

• Malaysia

  particulate matter emissions: 16.04 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 248.29 megatons (2016 est.)
  
  methane emissions: 51.51 megatons (2020 est.)

• Maldives

  particulate matter emissions: 7.63 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 1.44 megatons (2016 est.)
  
  methane emissions: 0.14 megatons (2020 est.)

• Mali

  particulate matter emissions: 31.17 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 3.18 megatons (2016 est.)
  
  methane emissions: 19.16 megatons (2020 est.)

• Malta

  particulate matter emissions: 13.97 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 1.34 megatons (2016 est.)
  
  methane emissions: 0.2 megatons (2020 est.)

• Marshall Islands

  particulate matter emissions: 9.43 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 0.14 megatons (2016 est.)
  
  methane emissions: 0.03 megatons (2020 est.)

• Mauritania

  particulate matter emissions: 40.82 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 2.74 megatons (2016 est.)
  
  methane emissions: 6.16 megatons (2020 est.)

• Mauritius

  particulate matter emissions: 13.54 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 4.35 megatons (2016 est.)
  
  methane emissions: 2.06 megatons (2020 est.)

• Mexico

  particulate matter emissions: 20.08 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 486.41 megatons (2016 est.)
  
  methane emissions: 135.77 megatons (2020 est.)

• Micronesia, Federated States of

  particulate matter emissions: 10.23 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 0.14 megatons (2016 est.)
  
  methane emissions: 0.02 megatons (2020 est.)

• Moldova

  particulate matter emissions: 15.97 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 5.12 megatons (2016 est.)
  
  methane emissions: 3.29 megatons (2020 est.)

• Monaco

  particulate matter emissions: 12.2 micrograms per cubic meter (2016 est.)
  
  methane emissions: 0.05 megatons (2020 est.)

• Mongolia

  particulate matter emissions: 40.42 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 25.37 megatons (2016 est.)
  
  methane emissions: 13.72 megatons (2020 est.)

• Montenegro

  particulate matter emissions: 20.17 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 2.02 megatons (2016 est.)
  
  methane emissions: 0.75 megatons (2020 est.)

• Morocco

  particulate matter emissions: 30.99 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 61.28 megatons (2016 est.)
  
  methane emissions: 17.16 megatons (2020 est.)
  
  note:  data does not include former Western Sahara

• Mozambique

  particulate matter emissions: 19.44 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 7.94 megatons (2016 est.)
  
  methane emissions: 16.26 megatons (2020 est.)

• Namibia

  particulate matter emissions: 22.59 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 4.23 megatons (2016 est.)
  
  methane emissions: 10.4 megatons (2020 est.)

• Nauru

  particulate matter emissions: 12.53 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 0.05 megatons (2016 est.)
  
  methane emissions: 0.01 megatons (2020 est.)

• Nepal

  particulate matter emissions: 94.33 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 9.11 megatons (2016 est.)
  
  methane emissions: 41.15 megatons (2020 est.)

• Netherlands

  particulate matter emissions: 12.07 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 170.78 megatons (2016 est.)
  
  methane emissions: 17.79 megatons (2020 est.)

• New Caledonia

  carbon dioxide emissions: 5.33 megatons (2016 est.)

• New Zealand

  particulate matter emissions: 5.73 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 34.38 megatons (2016 est.)
  
  methane emissions: 34.3 megatons (2020 est.)

• Nicaragua

  particulate matter emissions: 16.87 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 5.59 megatons (2016 est.)
  
  methane emissions: 6.46 megatons (2020 est.)

• Niger

  particulate matter emissions: 70.8 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 2.02 megatons (2016 est.)
  
  methane emissions: 22.99 megatons (2020 est.)

• Nigeria

  particulate matter emissions: 48.73 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 120.37 megatons (2016 est.)
  
  methane emissions: 143.99 megatons (2020 est.)

• Niue

  particulate matter emissions: 11.47 micrograms per cubic meter (2016 est.)

• North Macedonia

  particulate matter emissions: 28.34 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 7.05 megatons (2016 est.)
  
  methane emissions: 2.28 megatons (2020 est.)

• Norway

  particulate matter emissions: 7.02 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 41.02 megatons (2016 est.)
  
  methane emissions: 4.81 megatons (2020 est.)

• Oman

  particulate matter emissions: 38.25 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 63.46 megatons (2016 est.)
  
  methane emissions: 5.6 megatons (2020 est.)

• Pakistan

  particulate matter emissions: 55.21 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 201.15 megatons (2016 est.)
  
  methane emissions: 142.12 megatons (2020 est.)

• Palau

  particulate matter emissions: 12.18 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 0.22 megatons (2016 est.)
  
  methane emissions: 0.06 megatons (2020 est.)

• Panama

  particulate matter emissions: 11.18 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 10.71 megatons (2016 est.)
  
  methane emissions: 5.97 megatons (2020 est.)

• Papua New Guinea

  particulate matter emissions: 10.91 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 7.54 megatons (2016 est.)
  
  methane emissions: 11.05 megatons (2020 est.)

• Paraguay

  particulate matter emissions: 11.16 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 7.41 megatons (2016 est.)
  
  methane emissions: 27.65 megatons (2020 est.)

• Peru

  particulate matter emissions: 24.27 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 57.41 megatons (2016 est.)
  
  methane emissions: 30.17 megatons (2020 est.)

• Philippines

  particulate matter emissions: 18.38 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 122.29 megatons (2016 est.)
  
  methane emissions: 51.32 megatons (2020 est.)

• Poland

  particulate matter emissions: 20.54 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 299.04 megatons (2016 est.)
  
  methane emissions: 46.62 megatons (2020 est.)

• Portugal

  particulate matter emissions: 7.87 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 48.74 megatons (2016 est.)
  
  methane emissions: 10.93 megatons (2020 est.)

• Qatar

  particulate matter emissions: 90.35 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 103.26 megatons (2016 est.)
  
  methane emissions: 8.34 megatons (2020 est.)

• Romania

  particulate matter emissions: 14.29 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 69.26 megatons (2016 est.)
  
  methane emissions: 27.62 megatons (2020 est.)

• Russia

  particulate matter emissions: 13.75 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 1,732.03 megatons (2016 est.)
  
  methane emissions: 851.52 megatons (2020 est.)

• Rwanda

  particulate matter emissions: 40.75 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 1.11 megatons (2016 est.)
  
  methane emissions: 2.92 megatons (2020 est.)

• Saint Kitts and Nevis

  particulate matter emissions: 12.31 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 0.24 megatons (2016 est.)
  
  methane emissions: 0.1 megatons (2020 est.)

• Saint Lucia

  particulate matter emissions: 21.22 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 0.41 megatons (2016 est.)
  
  methane emissions: 0.27 megatons (2020 est.)

• Saint Vincent and the Grenadines

  particulate matter emissions: 21.2 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 0.22 megatons (2016 est.)
  
  methane emissions: 0.09 megatons (2020 est.)

• Samoa

  particulate matter emissions: 10.56 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 0.25 megatons (2016 est.)
  
  methane emissions: 0.27 megatons (2020 est.)

• San Marino

  particulate matter emissions: 13.45 micrograms per cubic meter (2016 est.)
  
  methane emissions: 0.02 megatons (2020 est.)

• Sao Tome and Principe

  particulate matter emissions: 25.66 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 0.12 megatons (2016 est.)
  
  methane emissions: 0.04 megatons (2020 est.)

• Saudi Arabia

  particulate matter emissions: 78.38 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 563.45 megatons (2016 est.)
  
  methane emissions: 45.47 megatons (2020 est.)

• Senegal

  particulate matter emissions: 37.52 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 10.9 megatons (2016 est.)
  
  methane emissions: 11.74 megatons (2020 est.)

• Serbia

  particulate matter emissions: 24.27 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 45.22 megatons (2016 est.)
  
  methane emissions: 11.96 megatons (2020 est.)

• Seychelles

  particulate matter emissions: 18.72 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 0.61 megatons (2016 est.)
  
  methane emissions: 0.1 megatons (2020 est.)

• Sierra Leone

  particulate matter emissions: 20.63 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 1.09 megatons (2016 est.)
  
  methane emissions: 3.16 megatons (2020 est.)

• Singapore

  particulate matter emissions: 18.26 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 37.54 megatons (2016 est.)
  
  methane emissions: 4.4 megatons (2020 est.)

• Slovakia

  particulate matter emissions: 17.54 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 32.42 megatons (2016 est.)
  
  methane emissions: 4.43 megatons (2020 est.)

• Slovenia

  particulate matter emissions: 15.81 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 12.63 megatons (2016 est.)
  
  methane emissions: 2.1 megatons (2020 est.)

• Solomon Islands

  particulate matter emissions: 10.67 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 0.17 megatons (2016 est.)
  
  methane emissions: 0.43 megatons (2020 est.)

• Somalia

  particulate matter emissions: 29.51 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 0.65 megatons (2016 est.)
  
  methane emissions: 20.13 megatons (2020 est.)

• South Africa

  particulate matter emissions: 23.58 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 476.64 megatons (2016 est.)
  
  methane emissions: 55.89 megatons (2020 est.)

• South Sudan

  particulate matter emissions: 41.12 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 1.73 megatons (2016 est.)
  
  methane emissions: 7.61 megatons (2020 est.)

• Spain

  particulate matter emissions: 9.48 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 244 megatons (2016 est.)
  
  methane emissions: 36.94 megatons (2020 est.)

• Sri Lanka

  particulate matter emissions: 15.25 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 23.36 megatons (2016 est.)
  
  methane emissions: 10.95 megatons (2020 est.)

• Sudan

  particulate matter emissions: 47.92 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 20 megatons (2016 est.)
  
  methane emissions: 75.1 megatons (2020 est.)

• Suriname

  particulate matter emissions: 23.6 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 1.74 megatons (2016 est.)
  
  methane emissions: 2.28 megatons (2020 est.)

• Sweden

  particulate matter emissions: 5.89 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 43.25 megatons (2016 est.)
  
  methane emissions: 4.42 megatons (2020 est.)

• Switzerland

  particulate matter emissions: 10.21 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 34.48 megatons (2016 est.)
  
  methane emissions: 4.98 megatons (2020 est.)

• Syria

  particulate matter emissions: 39.43 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 28.83 megatons (2016 est.)
  
  methane emissions: 12.93 megatons (2020 est.)

• Tajikistan

  particulate matter emissions: 40.05 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 5.31 megatons (2016 est.)
  
  methane emissions: 4.87 megatons (2020 est.)

• Tanzania

  particulate matter emissions: 25.59 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 11.97 megatons (2016 est.)
  
  methane emissions: 59.08 megatons (2020 est.)

• Thailand

  particulate matter emissions: 26.23 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 283.76 megatons (2016 est.)
  
  methane emissions: 86.98 megatons (2020 est.)

• Timor-Leste

  particulate matter emissions: 17.88 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 0.5 megatons (2016 est.)
  
  methane emissions: 4.74 megatons (2020 est.)

• Togo

  particulate matter emissions: 32.71 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 3 megatons (2016 est.)
  
  methane emissions: 3.06 megatons (2020 est.)

• Tonga

  particulate matter emissions: 10.08 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 0.13 megatons (2016 est.)
  
  methane emissions: 0.12 megatons (2020 est.)

• Trinidad and Tobago

  particulate matter emissions: 22.04 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 43.87 megatons (2016 est.)
  
  methane emissions: 1.35 megatons (2020 est.)

• Tunisia

  particulate matter emissions: 35.66 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 29.94 megatons (2016 est.)
  
  methane emissions: 7.89 megatons (2020 est.)

• Turkey

  particulate matter emissions: 41.97 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 372.72 megatons (2016 est.)
  
  methane emissions: 57.53 megatons (2020 est.)

• Turkmenistan

  particulate matter emissions: 19.02 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 70.63 megatons (2016 est.)
  
  methane emissions: 52.09 megatons (2020 est.)

• Turks and Caicos Islands

  carbon dioxide emissions: 0.22 megatons (2016 est.)

• Tuvalu

  particulate matter emissions: 11.42 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 0.01 megatons (2016 est.)
  
  methane emissions: 0.01 megatons (2020 est.)

• Uganda

  particulate matter emissions: 48.41 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 5.68 megatons (2016 est.)
  
  methane emissions: 30.24 megatons (2020 est.)

• Ukraine

  particulate matter emissions: 18.29 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 202.25 megatons (2016 est.)
  
  methane emissions: 63.37 megatons (2020 est.)

• United Arab Emirates

  particulate matter emissions: 39.44 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 206.32 megatons (2016 est.)
  
  methane emissions: 56.55 megatons (2020 est.)

• United Kingdom

  particulate matter emissions: 10.53 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 379.02 megatons (2016 est.)
  
  methane emissions: 49.16 megatons (2020 est.)

• United States

  particulate matter emissions: 7.4 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 5,006.3 megatons (2016 est.)
  
  methane emissions: 685.74 megatons (2020 est.)

• Uruguay

  particulate matter emissions: 8.63 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 6.77 megatons (2016 est.)
  
  methane emissions: 25.59 megatons (2020 est.)

• Uzbekistan

  particulate matter emissions: 25.29 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 91.81 megatons (2016 est.)
  
  methane emissions: 96.16 megatons (2020 est.)

• Vanuatu

  particulate matter emissions: 10.31 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 0.15 megatons (2016 est.)
  
  methane emissions: 0.5 megatons (2020 est.)

• Venezuela

  particulate matter emissions: 15.82 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 164.18 megatons (2016 est.)
  
  methane emissions: 68.66 megatons (2020 est.)

• Vietnam

  particulate matter emissions: 29.66 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 192.67 megatons (2016 est.)
  
  methane emissions: 110.4 megatons (2020 est.)

• West Bank

  carbon dioxide emissions: 3.23 megatons (2016 est.)
  
  note: data represent combined total from the Gaza Strip and the West Bank.

• Yemen

  particulate matter emissions: 44.96 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 10.61 megatons (2016 est.)
  
  methane emissions: 8.03 megatons (2020 est.)

• Zambia

  particulate matter emissions: 24.7 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 5.14 megatons (2016 est.)
  
  methane emissions: 14.1 megatons (2020 est.)

• Zimbabwe

  particulate matter emissions: 19.35 micrograms per cubic meter (2016 est.)
  
  carbon dioxide emissions: 10.98 megatons (2016 est.)
  
  methane emissions: 12.1 megatons (2020 est.)