PM2.5 air pollution, population exposed to levels exceeding WHO guideline value (% of total) by country
Percent of population exposed to ambient concentrations of PM2.5 that exceed the WHO guideline value is defined as the portion of a country’s population living in places where mean annual concentrations of PM2.5 are greater than 10 micrograms per cubic meter, the guideline value recommended by the World Health...
What the numbers show
PM2.5 air pollution, population exposed to levels exceeding WHO guideline value (% of total) is currently reported for 194 countries. The highest value is 100.0% in Afghanistan; the lowest is 0.0% in New Zealand.
The median across all reporting countries is 100.0%, and the mean is 88.8%.
Over the past decade 1 countries rose and 80 fell. The largest increase was in Cuba (up 0.0%), and the largest decrease in Brunei Darussalam (down 100.0%).
PM2.5 air pollution, population exposed to levels exceeding WHO: full country ranking
| # | Country | Latest | Year | 10-year change | Trend |
|---|---|---|---|---|---|
| 1 | Afghanistan | 100.0% | 2017 | unchanged | flat |
| 1 | Angola | 100.0% | 2017 | unchanged | flat |
| 1 | Albania | 100.0% | 2017 | down 0.0% | flat |
| 1 | United Arab Emirates | 100.0% | 2017 | unchanged | flat |
| 1 | Armenia | 100.0% | 2017 | unchanged | flat |
| 1 | American Samoa | 100.0% | 2017 | unchanged | flat |
| 1 | Antigua and Barbuda | 100.0% | 2017 | unchanged | flat |
| 1 | Azerbaijan | 100.0% | 2017 | unchanged | flat |
| 1 | Burundi | 100.0% | 2017 | unchanged | flat |
| 1 | Benin | 100.0% | 2017 | unchanged | flat |
| 1 | Burkina Faso | 100.0% | 2017 | unchanged | flat |
| 1 | Bangladesh | 100.0% | 2017 | unchanged | flat |
| 1 | Bahrain | 100.0% | 2017 | unchanged | flat |
| 1 | Bahamas | 100.0% | 2017 | down 0.0% | flat |
| 1 | Belize | 100.0% | 2017 | unchanged | flat |
| 1 | Bermuda | 100.0% | 2017 | unchanged | flat |
| 1 | Barbados | 100.0% | 2017 | unchanged | flat |
| 1 | Bhutan | 100.0% | 2017 | unchanged | flat |
| 1 | Botswana | 100.0% | 2017 | unchanged | flat |
| 1 | Central African Republic | 100.0% | 2017 | unchanged | flat |
| 1 | Côte d'Ivoire | 100.0% | 2017 | unchanged | flat |
| 1 | Cameroon | 100.0% | 2017 | unchanged | flat |
| 1 | Congo, Democratic Republic of the | 100.0% | 2017 | unchanged | flat |
| 1 | Congo | 100.0% | 2017 | unchanged | flat |
| 1 | Comoros | 100.0% | 2017 | unchanged | flat |
| 1 | Cape Verde | 100.0% | 2017 | unchanged | flat |
| 1 | Cuba | 100.0% | 2017 | up 0.0% | flat |
| 1 | Cyprus | 100.0% | 2017 | unchanged | flat |
| 1 | Djibouti | 100.0% | 2017 | unchanged | flat |
| 1 | Dominica | 100.0% | 2017 | unchanged | flat |
| 1 | Algeria | 100.0% | 2017 | unchanged | flat |
| 1 | Egypt | 100.0% | 2017 | unchanged | flat |
| 1 | Eritrea | 100.0% | 2017 | unchanged | flat |
| 1 | Ethiopia | 100.0% | 2017 | unchanged | flat |
| 1 | Micronesia, Federated States of | 100.0% | 2017 | down 0.0% | flat |
| 1 | Gabon | 100.0% | 2017 | unchanged | flat |
| 1 | Georgia | 100.0% | 2017 | unchanged | flat |
| 1 | Ghana | 100.0% | 2017 | unchanged | flat |
| 1 | Guinea | 100.0% | 2017 | unchanged | flat |
| 1 | Gambia | 100.0% | 2017 | unchanged | flat |
| 1 | Guinea-Bissau | 100.0% | 2017 | unchanged | flat |
| 1 | Equatorial Guinea | 100.0% | 2017 | unchanged | flat |
| 1 | Greece | 100.0% | 2017 | down 0.0% | flat |
| 1 | Grenada | 100.0% | 2017 | unchanged | flat |
| 1 | Guatemala | 100.0% | 2017 | unchanged | flat |
| 1 | Haiti | 100.0% | 2017 | unchanged | flat |
| 1 | Hungary | 100.0% | 2017 | unchanged | flat |
| 1 | India | 100.0% | 2017 | unchanged | flat |
| 1 | Iran, Islamic Republic of | 100.0% | 2017 | unchanged | flat |
| 1 | Iraq | 100.0% | 2017 | unchanged | flat |
| 1 | Israel | 100.0% | 2017 | unchanged | flat |
| 1 | Jamaica | 100.0% | 2017 | down 0.0% | flat |
| 1 | Jordan | 100.0% | 2017 | unchanged | flat |
| 1 | Kenya | 100.0% | 2017 | unchanged | flat |
| 1 | Cambodia | 100.0% | 2017 | unchanged | flat |
| 1 | Kiribati | 100.0% | 2017 | down 0.0% | flat |
| 1 | Republic of Korea | 100.0% | 2017 | unchanged | flat |
| 1 | Kuwait | 100.0% | 2017 | unchanged | flat |
| 1 | Lao People's Democratic Republic | 100.0% | 2017 | unchanged | flat |
| 1 | Lebanon | 100.0% | 2017 | unchanged | flat |
| 1 | Liberia | 100.0% | 2017 | unchanged | flat |
| 1 | Libya | 100.0% | 2017 | unchanged | flat |
| 1 | Saint Lucia | 100.0% | 2017 | unchanged | flat |
| 1 | Lesotho | 100.0% | 2017 | unchanged | flat |
| 1 | Morocco | 100.0% | 2017 | unchanged | flat |
| 1 | Republic of Moldova | 100.0% | 2017 | unchanged | flat |
| 1 | Madagascar | 100.0% | 2017 | unchanged | flat |
| 1 | Marshall Islands | 100.0% | 2017 | down 0.0% | flat |
| 1 | North Macedonia | 100.0% | 2017 | unchanged | flat |
| 1 | Mali | 100.0% | 2017 | unchanged | flat |
| 1 | Malta | 100.0% | 2017 | unchanged | flat |
| 1 | Myanmar | 100.0% | 2017 | unchanged | flat |
| 1 | Montenegro | 100.0% | 2017 | unchanged | flat |
| 1 | Mozambique | 100.0% | 2017 | unchanged | flat |
| 1 | Mauritania | 100.0% | 2017 | unchanged | flat |
| 1 | Mauritius | 100.0% | 2017 | unchanged | flat |
| 1 | Malawi | 100.0% | 2017 | unchanged | flat |
| 1 | Namibia | 100.0% | 2017 | unchanged | flat |
| 1 | Niger | 100.0% | 2017 | unchanged | flat |
| 1 | Nigeria | 100.0% | 2017 | unchanged | flat |
| 1 | Nepal | 100.0% | 2017 | unchanged | flat |
| 1 | Oman | 100.0% | 2017 | unchanged | flat |
| 1 | Pakistan | 100.0% | 2017 | unchanged | flat |
| 1 | Korea, Democratic People's Republic of | 100.0% | 2017 | unchanged | flat |
| 1 | Palestine, State of | 100.0% | 2017 | unchanged | flat |
| 1 | Qatar | 100.0% | 2017 | unchanged | flat |
| 1 | Rwanda | 100.0% | 2017 | unchanged | flat |
| 1 | Saudi Arabia | 100.0% | 2017 | unchanged | flat |
| 1 | Sudan | 100.0% | 2017 | unchanged | flat |
| 1 | Senegal | 100.0% | 2017 | unchanged | flat |
| 1 | Singapore | 100.0% | 2017 | unchanged | flat |
| 1 | Sierra Leone | 100.0% | 2017 | unchanged | flat |
| 1 | El Salvador | 100.0% | 2017 | unchanged | flat |
| 1 | Somalia | 100.0% | 2017 | unchanged | flat |
| 1 | Serbia | 100.0% | 2017 | unchanged | flat |
| 1 | South Sudan | 100.0% | 2017 | unchanged | flat |
| 1 | Sao Tome and Principe | 100.0% | 2017 | unchanged | flat |
| 1 | Suriname | 100.0% | 2017 | unchanged | flat |
| 1 | Slovakia | 100.0% | 2017 | unchanged | flat |
| 1 | Eswatini | 100.0% | 2017 | unchanged | flat |
| 1 | Seychelles | 100.0% | 2017 | unchanged | flat |
| 1 | Syrian Arab Republic | 100.0% | 2017 | unchanged | flat |
| 1 | Chad | 100.0% | 2017 | unchanged | flat |
| 1 | Togo | 100.0% | 2017 | unchanged | flat |
| 1 | Thailand | 100.0% | 2017 | unchanged | flat |
| 1 | Tajikistan | 100.0% | 2017 | unchanged | flat |
| 1 | Turkmenistan | 100.0% | 2017 | unchanged | flat |
| 1 | Timor-Leste | 100.0% | 2017 | unchanged | flat |
| 1 | Trinidad and Tobago | 100.0% | 2017 | unchanged | flat |
| 1 | Tunisia | 100.0% | 2017 | unchanged | flat |
| 1 | Türkiye | 100.0% | 2017 | unchanged | flat |
| 1 | Tanzania, United Republic of | 100.0% | 2017 | unchanged | flat |
| 1 | Uganda | 100.0% | 2017 | unchanged | flat |
| 1 | Ukraine | 100.0% | 2017 | unchanged | flat |
| 1 | Uzbekistan | 100.0% | 2017 | unchanged | flat |
| 1 | Saint Vincent and the Grenadines | 100.0% | 2017 | unchanged | flat |
| 1 | Viet Nam | 100.0% | 2017 | unchanged | flat |
| 1 | Vanuatu | 100.0% | 2017 | down 0.0% | flat |
| 1 | Samoa | 100.0% | 2017 | down 0.0% | flat |
| 1 | Yemen | 100.0% | 2017 | unchanged | flat |
| 1 | South Africa | 100.0% | 2017 | unchanged | flat |
| 1 | Zambia | 100.0% | 2017 | unchanged | flat |
| 1 | Zimbabwe | 100.0% | 2017 | unchanged | flat |
| 124 | Bolivia, Plurinational State of | 100.0% | 2017 | down 0.0% | flat |
| 125 | China | 100.0% | 2017 | down 0.0% | flat |
| 126 | Papua New Guinea | 100.0% | 2017 | down 0.0% | flat |
| 127 | Guyana | 100.0% | 2017 | down 0.0% | flat |
| 128 | Honduras | 100.0% | 2017 | down 0.0% | flat |
| 129 | Poland | 100.0% | 2017 | down 0.0% | flat |
| 130 | Peru | 100.0% | 2017 | down 0.0% | flat |
| 131 | Bosnia and Herzegovina | 100.0% | 2017 | down 0.0% | flat |
| 132 | Venezuela, Bolivarian Republic of | 99.9% | 2017 | down 0.1% | flat |
| 133 | Belarus | 99.9% | 2017 | down 0.1% | flat |
| 134 | Solomon Islands | 99.9% | 2017 | down 0.1% | flat |
| 135 | Dominican Republic | 99.9% | 2017 | down 0.1% | flat |
| 136 | Nicaragua | 99.9% | 2017 | down 0.0% | flat |
| 137 | Bulgaria | 99.9% | 2017 | down 0.1% | flat |
| 138 | Tonga | 99.8% | 2017 | down 0.2% | flat |
| 139 | Croatia | 99.8% | 2017 | down 0.2% | flat |
| 140 | Costa Rica | 99.7% | 2017 | down 0.3% | flat |
| 141 | Czechia | 99.7% | 2017 | down 0.3% | flat |
| 142 | Mexico | 99.7% | 2017 | down 0.3% | flat |
| 143 | Netherlands | 99.6% | 2017 | down 0.4% | flat |
| 144 | Slovenia | 99.5% | 2017 | down 0.5% | flat |
| 145 | Paraguay | 99.1% | 2017 | down 0.9% | flat |
| 146 | Ecuador | 98.3% | 2017 | down 1.7% | flat |
| 147 | Romania | 98.0% | 2017 | down 2.0% | flat |
| 148 | Chile | 97.7% | 2017 | down 1.6% | flat |
| 149 | Kyrgyzstan | 97.4% | 2017 | down 2.4% | flat |
| 150 | Mongolia | 97.0% | 2017 | down 0.8% | flat |
| 151 | Philippines | 96.4% | 2017 | down 3.6% | flat |
| 152 | Lithuania | 96.0% | 2017 | down 3.9% | flat |
| 153 | Indonesia | 95.6% | 2017 | down 3.5% | flat |
| 154 | Italy | 94.8% | 2017 | down 3.7% | flat |
| 155 | Argentina | 93.9% | 2017 | down 5.6% | flat |
| 156 | Colombia | 92.1% | 2017 | down 7.8% | falling |
| 157 | Belgium | 91.9% | 2017 | down 7.1% | falling |
| 158 | Russian Federation | 91.6% | 2017 | down 4.4% | flat |
| 159 | Malaysia | 90.5% | 2017 | down 7.5% | flat |
| 160 | Germany | 89.2% | 2017 | down 10.1% | falling |
| 161 | Latvia | 89.0% | 2017 | down 10.6% | falling |
| 162 | Kazakhstan | 87.4% | 2017 | down 9.7% | falling |
| 163 | Austria | 85.1% | 2017 | down 14.2% | falling |
| 164 | Guam | 83.3% | 2017 | down 16.7% | falling |
| 165 | Fiji | 82.8% | 2017 | down 17.2% | falling |
| 166 | Greenland | 80.0% | 2017 | down 20.0% | falling |
| 167 | France | 78.2% | 2017 | down 21.5% | falling |
| 168 | Japan | 76.8% | 2017 | down 16.6% | falling |
| 169 | Panama | 71.6% | 2017 | down 26.1% | falling |
| 170 | Luxembourg | 68.8% | 2017 | down 28.7% | falling |
| 171 | Brazil | 68.1% | 2017 | down 24.1% | falling |
| 172 | United Kingdom of Great Britain and Northern Ireland | 66.5% | 2017 | down 25.0% | falling |
| 173 | Denmark | 56.9% | 2017 | down 41.4% | falling |
| 174 | Switzerland | 49.3% | 2017 | down 47.3% | falling |
| 175 | Sri Lanka | 45.5% | 2017 | down 54.5% | falling |
| 176 | Spain | 41.1% | 2017 | down 44.6% | falling |
| 177 | United States Virgin Islands | 40.0% | 2017 | down 60.0% | flat |
| 178 | Northern Mariana Islands | 26.9% | 2017 | down 73.1% | falling |
| 179 | Australia | 24.9% | 2017 | down 25.7% | falling |
| 180 | Uruguay | 22.4% | 2017 | down 71.1% | falling |
| 181 | Andorra | 17.8% | 2017 | down 82.2% | falling |
| 182 | Portugal | 16.0% | 2017 | down 72.6% | falling |
| 183 | Iceland | 10.3% | 2017 | down 30.1% | falling |
| 184 | Puerto Rico | 3.7% | 2017 | down 94.1% | volatile |
| 185 | Sweden | 3.6% | 2017 | down 9.0% | falling |
| 186 | United States of America | 3.3% | 2017 | down 92.4% | volatile |
| 187 | Norway | 2.0% | 2017 | down 79.9% | volatile |
| 188 | Ireland | 0.3% | 2017 | down 99.4% | volatile |
| 189 | Brunei Darussalam | 0.0% | 2017 | down 100.0% | volatile |
| 189 | Canada | 0.0% | 2017 | down 100.0% | volatile |
| 189 | Estonia | 0.0% | 2017 | down 100.0% | volatile |
| 189 | Finland | 0.0% | 2017 | down 100.0% | volatile |
| 189 | Maldives | 0.0% | 2017 | down 100.0% | volatile |
| 189 | New Zealand | 0.0% | 2017 | down 100.0% | volatile |
Regions and income groups
Aggregates are excluded from the country ranking above so that a region can never outrank a country.
- Africa Eastern and Southern 100.0%
- Africa Western and Central 100.0%
- Arab World 100.0%
- Low income 100.0%
- Middle East, North Africa, Afghanistan & Pakistan 100.0%
- Middle East, North Africa, Afghanistan & Pakistan (excluding high income) 100.0%
- Pre-demographic dividend 100.0%
- Sub-Saharan Africa (excluding high income) 100.0%
- Sub-Saharan Africa 100.0%
- Middle East, North Africa, Afghanistan & Pakistan (IDA & IBRD) 100.0%
- Sub-Saharan Africa (IDA & IBRD countries) 100.0%
- Least developed countries 100.0%
- Heavily indebted poor countries (HIPC) 100.0%
- Caribbean Small States 100.0%
- Lower middle income 100.0%
- IDA blend 100.0%
- Early-demographic dividend 99.4%
- IDA total 99.3%
- South Asia 99.2%
- South Asia (IDA & IBRD) 99.2%
- East Asia & Pacific (excluding high income) 99.1%
- East Asia & Pacific (IDA & IBRD countries) 99.1%
- Europe & Central Asia (excluding high income) 99.0%
- IDA only 98.9%
- Low & middle income 98.3%
- Middle income 98.1%
- IDA & IBRD total 98.1%
- Central Europe and the Baltics 97.9%
- IBRD only 97.7%
- East Asia & Pacific 96.9%
- Europe & Central Asia (IDA & IBRD countries) 96.7%
- Upper middle income 96.4%
- Late-demographic dividend 95.1%
- Pacific island small states 93.6%
- World 91.4%
- Latin America & Caribbean (excluding high income) 87.8%
- Latin America & the Caribbean (IDA & IBRD countries) 87.5%
- Latin America & Caribbean 87.3%
- Small states 85.7%
- Europe & Central Asia 85.1%
About this data
Percent of population exposed to ambient concentrations of PM2.5 that exceed the WHO guideline value is defined as the portion of a country’s population living in places where mean annual concentrations of PM2.5 are greater than 10 micrograms per cubic meter, the guideline value recommended by the World Health Organization as the lower end of the range of concentrations over which adverse health effects due to PM2.5 exposure have been observed.