NationsTreeRanking · latest available · data as of 26 October 2026 · printed 27 Oct 2026
Air pollution (PM2.5) (µg/m³)
Average exposure to fine particulate air pollution (PM2.5). The WHO guideline is 5 µg/m³; lower is better. Lower is better; 1st place has the lowest value.
Source: World Bank · World Development Indicators · EN.ATM.PM25.MC.M3
Top 5 over time
Dashed line: world median| # | Country | Region | Air pollution (PM2.5)µg/m³ | Year |
|---|---|---|---|---|
| 1 |  Greenland |
Europe & Central Asia | 1.6 µg/m³ | 2023 |
| 2 |  Northern Mariana Islands |
East Asia & Pacific | 2.7 µg/m³ | 2023 |
| 3 |  Guam |
East Asia & Pacific | 3.5 µg/m³ | 2023 |
| 4 |  Micronesia |
East Asia & Pacific | 3.5 µg/m³ | 2023 |
| 5 |  Kiribati |
East Asia & Pacific | 3.9 µg/m³ | 2023 |
| 6 |  Marshall Islands |
East Asia & Pacific | 4.1 µg/m³ | 2023 |
| 7 |  American Samoa |
East Asia & Pacific | 4.3 µg/m³ | 2023 |
| 8 |  Finland |
Europe & Central Asia | 4.6 µg/m³ | 2023 |
| 9 |  Samoa |
East Asia & Pacific | 4.6 µg/m³ | 2023 |
| 10 |  Bermuda |
North America | 4.6 µg/m³ | 2023 |
| 11 |  Tonga |
East Asia & Pacific | 4.7 µg/m³ | 2023 |
| 12 |  Naoero |
East Asia & Pacific | 4.8 µg/m³ | 2023 |
| 13 |  Iceland |
Europe & Central Asia | 4.9 µg/m³ | 2023 |
| 14 |  Palau |
East Asia & Pacific | 4.9 µg/m³ | 2023 |
| 15 |  Tuvalu |
East Asia & Pacific | 5.2 µg/m³ | 2023 |
| 16 |  Sweden |
Europe & Central Asia | 5.3 µg/m³ | 2023 |
| 17 |  Bahamas |
Latin America & Caribbean | 5.3 µg/m³ | 2023 |
| 18 |  Norway |
Europe & Central Asia | 5.5 µg/m³ | 2023 |
| 19 |  Estonia |
Europe & Central Asia | 5.9 µg/m³ | 2023 |
| 20 |  Australia |
East Asia & Pacific | 6.4 µg/m³ | 2023 |
| 21 |  Fiji |
East Asia & Pacific | 6.4 µg/m³ | 2023 |
| 22 |  Canada |
North America | 6.6 µg/m³ | 2023 |
| 23 |  US Virgin Islands |
Latin America & Caribbean | 6.8 µg/m³ | 2023 |
| 24 |  New Zealand |
East Asia & Pacific | 6.9 µg/m³ | 2023 |
| 25 |  United States |
North America | 7.0 µg/m³ | 2023 |
| 26 |  Vanuatu |
East Asia & Pacific | 7.0 µg/m³ | 2023 |
| 27 |  Luxembourg |
Europe & Central Asia | 7.4 µg/m³ | 2023 |
| 28 |  Denmark |
Europe & Central Asia | 7.5 µg/m³ | 2023 |
| 29 |  Ireland |
Europe & Central Asia | 7.5 µg/m³ | 2023 |
| 30 |  Brunei |
East Asia & Pacific | 7.6 µg/m³ | 2023 |
| 31 |  Puerto Rico (US) |
Latin America & Caribbean | 7.8 µg/m³ | 2023 |
| 32 |  France |
Europe & Central Asia | 8.2 µg/m³ | 2023 |
| 33 |  Switzerland |
Europe & Central Asia | 8.3 µg/m³ | 2023 |
| 34 |  Antigua and Barbuda |
Latin America & Caribbean | 8.4 µg/m³ | 2023 |
| 35 |  Belgium |
Europe & Central Asia | 8.4 µg/m³ | 2023 |
| 36 |  Netherlands |
Europe & Central Asia | 8.6 µg/m³ | 2023 |
| 37 |  Portugal |
Europe & Central Asia | 8.8 µg/m³ | 2023 |
| 38 |  Germany |
Europe & Central Asia | 8.8 µg/m³ | 2023 |
| 39 |  Saint Kitts and Nevis |
Latin America & Caribbean | 8.9 µg/m³ | 2023 |
| 40 |  Andorra |
Europe & Central Asia | 8.9 µg/m³ | 2023 |
| 41 |  Seychelles |
Sub-Saharan Africa | 9.3 µg/m³ | 2023 |
| 42 |  Cuba |
Latin America & Caribbean | 9.4 µg/m³ | 2023 |
| 43 |  United Kingdom |
Europe & Central Asia | 9.5 µg/m³ | 2023 |
| 44 |  Solomon Islands |
East Asia & Pacific | 9.8 µg/m³ | 2023 |
| 45 |  Austria |
Europe & Central Asia | 10.0 µg/m³ | 2023 |
| 46 |  Spain |
Europe & Central Asia | 10.1 µg/m³ | 2023 |
| 47 |  Comoros |
Sub-Saharan Africa | 10.2 µg/m³ | 2023 |
| 48 |  Saint Lucia |
Latin America & Caribbean | 10.4 µg/m³ | 2023 |
| 49 |  Saint Vincent and the Grenadines |
Latin America & Caribbean | 10.6 µg/m³ | 2023 |
| 50 |  Lithuania |
Europe & Central Asia | 10.7 µg/m³ | 2023 |
| 51 |  Malta |
Middle East, North Africa, Afghanistan & Pakistan | 10.8 µg/m³ | 2023 |
| 52 |  Uruguay |
Latin America & Caribbean | 10.9 µg/m³ | 2023 |
| 53 |  Barbados |
Latin America & Caribbean | 10.9 µg/m³ | 2023 |
| 54 |  Grenada |
Latin America & Caribbean | 11.0 µg/m³ | 2023 |
| 55 |  Maldives |
South Asia | 11.2 µg/m³ | 2023 |
| 56 |  Monaco |
Europe & Central Asia | 11.4 µg/m³ | 2023 |
| 57 |  Japan |
East Asia & Pacific | 11.5 µg/m³ | 2023 |
| 58 |  Dominica |
Latin America & Caribbean | 11.5 µg/m³ | 2023 |
| 59 |  Russia |
Europe & Central Asia | 11.6 µg/m³ | 2023 |
| 60 |  Belarus |
Europe & Central Asia | 12.0 µg/m³ | 2023 |
| 61 |  Timor-Leste |
East Asia & Pacific | 12.0 µg/m³ | 2023 |
| 62 |  Madagascar |
Sub-Saharan Africa | 12.4 µg/m³ | 2023 |
| 63 |  Slovenia |
Europe & Central Asia | 12.6 µg/m³ | 2023 |
| 64 |  San Marino |
Europe & Central Asia | 12.7 µg/m³ | 2023 |
| 65 |  Czechia |
Europe & Central Asia | 12.7 µg/m³ | 2023 |
| 66 |  Latvia |
Europe & Central Asia | 13.0 µg/m³ | 2023 |
| 67 |  Botswana |
Sub-Saharan Africa | 13.2 µg/m³ | 2023 |
| 68 |  Brazil |
Latin America & Caribbean | 13.4 µg/m³ | 2023 |
| 69 |  Dominican Republic |
Latin America & Caribbean | 13.5 µg/m³ | 2023 |
| 70 |  Hungary |
Europe & Central Asia | 13.7 µg/m³ | 2023 |
| 71 |  Slovakia |
Europe & Central Asia | 13.7 µg/m³ | 2023 |
| 72 |  Mozambique |
Sub-Saharan Africa | 13.7 µg/m³ | 2023 |
| 73 |  Trinidad and Tobago |
Latin America & Caribbean | 13.8 µg/m³ | 2023 |
| 74 |  Mauritius |
Sub-Saharan Africa | 14.1 µg/m³ | 2023 |
| 75 |  Papua New Guinea |
East Asia & Pacific | 14.1 µg/m³ | 2023 |
| 76 |  Greece |
Europe & Central Asia | 14.1 µg/m³ | 2023 |
| 77 |  Namibia |
Sub-Saharan Africa | 14.2 µg/m³ | 2023 |
| 78 |  Italy |
Europe & Central Asia | 14.3 µg/m³ | 2023 |
| 79 |  Argentina |
Latin America & Caribbean | 14.3 µg/m³ | 2023 |
| 80 |  Ukraine |
Europe & Central Asia | 14.9 µg/m³ | 2023 |
| 81 |  Moldova |
Europe & Central Asia | 14.9 µg/m³ | 2023 |
| 82 |  Zimbabwe |
Sub-Saharan Africa | 15.0 µg/m³ | 2023 |
| 83 |  São Tomé and Príncipe |
Sub-Saharan Africa | 15.1 µg/m³ | 2023 |
| 84 |  Panama |
Latin America & Caribbean | 15.1 µg/m³ | 2023 |
| 85 |  Singapore |
East Asia & Pacific | 15.1 µg/m³ | 2023 |
| 86 |  Paraguay |
Latin America & Caribbean | 15.3 µg/m³ | 2023 |
| 87 |  Albania |
Europe & Central Asia | 15.5 µg/m³ | 2023 |
| 88 |  Suriname |
Latin America & Caribbean | 15.7 µg/m³ | 2023 |
| 89 |  Croatia |
Europe & Central Asia | 15.8 µg/m³ | 2023 |
| 90 |  Haiti |
Latin America & Caribbean | 15.8 µg/m³ | 2023 |
| 91 |  Malaysia |
East Asia & Pacific | 15.9 µg/m³ | 2023 |
| 92 |  Romania |
Europe & Central Asia | 16.0 µg/m³ | 2023 |
| 93 |  Cyprus |
Europe & Central Asia | 16.1 µg/m³ | 2023 |
| 94 |  Poland |
Europe & Central Asia | 16.5 µg/m³ | 2023 |
| 95 |  Algeria |
Middle East, North Africa, Afghanistan & Pakistan | 16.5 µg/m³ | 2023 |
| 96 |  Mexico |
Latin America & Caribbean | 16.6 µg/m³ | 2023 |
| 97 |  Malawi |
Sub-Saharan Africa | 16.7 µg/m³ | 2023 |
| 98 |  Eswatini |
Sub-Saharan Africa | 16.7 µg/m³ | 2023 |
| 99 |  Belize |
Latin America & Caribbean | 16.8 µg/m³ | 2023 |
| 100 |  Guyana |
Latin America & Caribbean | 16.9 µg/m³ | 2023 |
| 101 |  Costa Rica |
Latin America & Caribbean | 17.7 µg/m³ | 2023 |
| 102 |  Liberia |
Sub-Saharan Africa | 17.9 µg/m³ | 2023 |
| 103 |  Colombia |
Latin America & Caribbean | 18.4 µg/m³ | 2023 |
| 104 |  Montenegro |
Europe & Central Asia | 18.5 µg/m³ | 2023 |
| 105 |  Somalia, Fed. Rep. |
Sub-Saharan Africa | 18.5 µg/m³ | 2023 |
| 106 |  Georgia |
Europe & Central Asia | 18.6 µg/m³ | 2023 |
| 107 |  Ecuador |
Latin America & Caribbean | 18.6 µg/m³ | 2023 |
| 108 |  Morocco |
Middle East, North Africa, Afghanistan & Pakistan | 18.7 µg/m³ | 2023 |
| 109 |  Tunisia |
Middle East, North Africa, Afghanistan & Pakistan | 18.9 µg/m³ | 2023 |
| 110 |  Venezuela |
Latin America & Caribbean | 19.2 µg/m³ | 2023 |
| 111 |  Serbia |
Europe & Central Asia | 19.3 µg/m³ | 2023 |
| 112 |  Cambodia |
East Asia & Pacific | 19.4 µg/m³ | 2023 |
| 113 |  Kazakhstan |
Europe & Central Asia | 19.6 µg/m³ | 2023 |
| 114 |  Bulgaria |
Europe & Central Asia | 19.7 µg/m³ | 2023 |
| 115 |  Angola |
Sub-Saharan Africa | 19.9 µg/m³ | 2023 |
| 116 |  Libya |
Middle East, North Africa, Afghanistan & Pakistan | 20.0 µg/m³ | 2023 |
| 117 |  Kyrgyzstan |
Europe & Central Asia | 20.1 µg/m³ | 2023 |
| 118 |  Tanzania |
Sub-Saharan Africa | 20.2 µg/m³ | 2023 |
| 119 |  Cabo Verde |
Sub-Saharan Africa | 20.2 µg/m³ | 2023 |
| 120 |  Zambia |
Sub-Saharan Africa | 20.2 µg/m³ | 2023 |
| 121 |  Kenya |
Sub-Saharan Africa | 20.3 µg/m³ | 2023 |
| 122 |  Côte d'Ivoire |
Sub-Saharan Africa | 20.4 µg/m³ | 2023 |
| 123 |  Nicaragua |
Latin America & Caribbean | 20.4 µg/m³ | 2023 |
| 124 |  Indonesia |
East Asia & Pacific | 20.8 µg/m³ | 2023 |
| 125 |  Jamaica |
Latin America & Caribbean | 21.7 µg/m³ | 2023 |
| 126 |  North Korea |
East Asia & Pacific | 21.8 µg/m³ | 2023 |
| 127 |  North Macedonia |
Europe & Central Asia | 21.8 µg/m³ | 2023 |
| 128 |  South Korea |
East Asia & Pacific | 21.9 µg/m³ | 2023 |
| 129 |  Israel |
Middle East, North Africa, Afghanistan & Pakistan | 21.9 µg/m³ | 2023 |
| 130 |  Philippines |
East Asia & Pacific | 22.2 µg/m³ | 2023 |
| 131 |  Palestine |
Middle East, North Africa, Afghanistan & Pakistan | 22.4 µg/m³ | 2023 |
| 132 |  Sierra Leone |
Sub-Saharan Africa | 22.5 µg/m³ | 2023 |
| 133 |  Sri Lanka |
South Asia | 22.7 µg/m³ | 2023 |
| 134 |  Chile |
Latin America & Caribbean | 23.1 µg/m³ | 2023 |
| 135 |  Thailand |
East Asia & Pacific | 23.5 µg/m³ | 2023 |
| 136 |  South Sudan |
Sub-Saharan Africa | 23.7 µg/m³ | 2023 |
| 137 |  Azerbaijan |
Europe & Central Asia | 23.7 µg/m³ | 2023 |
| 138 |  Ethiopia |
Sub-Saharan Africa | 23.8 µg/m³ | 2023 |
| 139 |  Vietnam |
East Asia & Pacific | 24.8 µg/m³ | 2023 |
| 140 |  Laos |
East Asia & Pacific | 26.0 µg/m³ | 2023 |
| 141 |  Bosnia and Herzegovina |
Europe & Central Asia | 26.1 µg/m³ | 2023 |
| 142 |  Türkiye |
Europe & Central Asia | 26.4 µg/m³ | 2023 |
| 143 |  Lesotho |
Sub-Saharan Africa | 26.4 µg/m³ | 2023 |
| 144 |  Lebanon |
Middle East, North Africa, Afghanistan & Pakistan | 26.7 µg/m³ | 2023 |
| 145 |  Guinea |
Sub-Saharan Africa | 27.3 µg/m³ | 2023 |
| 146 |  South Africa |
Sub-Saharan Africa | 27.7 µg/m³ | 2023 |
| 147 |  Bolivia |
Latin America & Caribbean | 28.1 µg/m³ | 2023 |
| 148 |  Ghana |
Sub-Saharan Africa | 28.1 µg/m³ | 2023 |
| 149 |  Armenia |
Europe & Central Asia | 28.6 µg/m³ | 2023 |
| 150 |  El Salvador |
Latin America & Caribbean | 29.6 µg/m³ | 2023 |
| 151 |  Guatemala |
Latin America & Caribbean | 29.7 µg/m³ | 2023 |
| 152 |  Bhutan |
South Asia | 30.1 µg/m³ | 2023 |
| 153 |  Honduras |
Latin America & Caribbean | 30.7 µg/m³ | 2023 |
| 154 |  Peru |
Latin America & Caribbean | 31.1 µg/m³ | 2023 |
| 155 |  Uganda |
Sub-Saharan Africa | 31.2 µg/m³ | 2023 |
| 156 |  Turkmenistan |
Europe & Central Asia | 31.2 µg/m³ | 2023 |
| 157 |  Gabon |
Sub-Saharan Africa | 31.3 µg/m³ | 2023 |
| 158 |  China |
East Asia & Pacific | 32.0 µg/m³ | 2023 |
| 159 |  Syria |
Middle East, North Africa, Afghanistan & Pakistan | 32.1 µg/m³ | 2023 |
| 160 |  Guinea-Bissau |
Sub-Saharan Africa | 32.3 µg/m³ | 2023 |
| 161 |  Jordan |
Middle East, North Africa, Afghanistan & Pakistan | 32.6 µg/m³ | 2023 |
| 162 |  Uzbekistan |
Europe & Central Asia | 32.8 µg/m³ | 2023 |
| 163 |  Central African Republic |
Sub-Saharan Africa | 33.3 µg/m³ | 2023 |
| 164 |  Tajikistan |
Europe & Central Asia | 33.3 µg/m³ | 2023 |
| 165 |  Eritrea |
Sub-Saharan Africa | 33.7 µg/m³ | 2023 |
| 166 |  Togo |
Sub-Saharan Africa | 34.3 µg/m³ | 2023 |
| 167 |  Myanmar |
East Asia & Pacific | 35.1 µg/m³ | 2023 |
| 168 |  Mali |
Sub-Saharan Africa | 35.5 µg/m³ | 2023 |
| 169 |  Burundi |
Sub-Saharan Africa | 35.7 µg/m³ | 2023 |
| 170 |  DR Congo |
Sub-Saharan Africa | 35.8 µg/m³ | 2023 |
| 171 |  Rwanda |
Sub-Saharan Africa | 36.0 µg/m³ | 2023 |
| 172 |  Congo |
Sub-Saharan Africa | 36.5 µg/m³ | 2023 |
| 173 |  Burkina Faso |
Sub-Saharan Africa | 37.3 µg/m³ | 2023 |
| 174 |  Sudan |
Sub-Saharan Africa | 37.6 µg/m³ | 2023 |
| 175 |  Afghanistan |
Middle East, North Africa, Afghanistan & Pakistan | 37.9 µg/m³ | 2023 |
| 176 |  Gambia |
Sub-Saharan Africa | 38.3 µg/m³ | 2023 |
| 177 |  Benin |
Sub-Saharan Africa | 39.7 µg/m³ | 2023 |
| 178 |  Iran |
Middle East, North Africa, Afghanistan & Pakistan | 40.2 µg/m³ | 2023 |
| 179 |  Djibouti |
Middle East, North Africa, Afghanistan & Pakistan | 40.3 µg/m³ | 2023 |
| 180 |  Senegal |
Sub-Saharan Africa | 41.6 µg/m³ | 2023 |
| 181 |  Equatorial Guinea |
Sub-Saharan Africa | 42.2 µg/m³ | 2023 |
| 182 |  Mongolia |
East Asia & Pacific | 42.7 µg/m³ | 2023 |
| 183 |  Chad |
Sub-Saharan Africa | 43.0 µg/m³ | 2023 |
| 184 |  Egypt |
Middle East, North Africa, Afghanistan & Pakistan | 43.1 µg/m³ | 2023 |
| 185 |  Mauritania |
Sub-Saharan Africa | 46.5 µg/m³ | 2023 |
| 186 |  Yemen |
Middle East, North Africa, Afghanistan & Pakistan | 46.8 µg/m³ | 2023 |
| 187 |  Oman |
Middle East, North Africa, Afghanistan & Pakistan | 46.9 µg/m³ | 2023 |
| 188 |  Iraq |
Middle East, North Africa, Afghanistan & Pakistan | 49.5 µg/m³ | 2023 |
| 189 |  Nepal |
South Asia | 53.2 µg/m³ | 2023 |
| 190 |  India |
South Asia | 54.1 µg/m³ | 2023 |
| 191 |  Cameroon |
Sub-Saharan Africa | 55.6 µg/m³ | 2023 |
| 192 |  Bahrain |
Middle East, North Africa, Afghanistan & Pakistan | 56.6 µg/m³ | 2023 |
| 193 |  United Arab Emirates |
Middle East, North Africa, Afghanistan & Pakistan | 57.2 µg/m³ | 2023 |
| 194 |  Pakistan |
Middle East, North Africa, Afghanistan & Pakistan | 58.4 µg/m³ | 2023 |
| 195 |  Kuwait |
Middle East, North Africa, Afghanistan & Pakistan | 62.3 µg/m³ | 2023 |
| 196 |  Niger |
Sub-Saharan Africa | 65.2 µg/m³ | 2023 |
| 197 |  Nigeria |
Sub-Saharan Africa | 65.7 µg/m³ | 2023 |
| 198 |  Bangladesh |
South Asia | 69.3 µg/m³ | 2023 |
| 199 |  Saudi Arabia |
Middle East, North Africa, Afghanistan & Pakistan | 73.5 µg/m³ | 2023 |
| 200 |  Qatar |
Middle East, North Africa, Afghanistan & Pakistan | 107.8 µg/m³ | 2023 |
Latest value per country. Ranked: countries with data from the last 5 years of the series; older values are listed below without a rank. 200 ranked.