Air Pollution by Country

What Is Air Pollution?

Air Pollution (PM2.5 mean annual exposure) measures the average concentration of fine particulate matter (particles smaller than 2.5 micrometers) in micrograms per cubic meter. PM2.5 particles come from vehicle emissions, industrial processes, and burning fuels. Because these particles can penetrate deep into the lungs, this metric indicates population exposure to harmful air quality.

Why Air Pollution Matters to a Country’s Progress

  • Signals public health risks, since high PM2.5 levels lead to respiratory and cardiovascular diseases.
  • Reflects economic productivity, as unhealthy workers take more sick days and healthcare costs rise.
  • Informs environmental policy, because governments use this data to regulate emissions and improve urban planning.

Ranking Highlights

  • Egypt tops the progress rankings in Air Pollution (PM2.5), recording a drop from 67.75 to 54.86. Afghanistan follows with a reduction from 58.33 to 46.09, while Nepal rounds out the top three, falling from 57.28 to 45.72.
  • Across all 192 countries, the average year-over-year change was -0.36 percentage points with a median change of -0.16 percentage points.
  • Overall, 111 countries improved in this area while 81 worsened. Click on a country to open the full country scorecard and see how it performs across a range of key indicators.
Rank Country Most Recent Year Previous Year Change
1Egypt flag Egypt54.86 (2020)67.75 (2019)-12.89 pp
2Afghanistan flag Afghanistan46.09 (2020)58.33 (2019)-12.24 pp
3Nepal flag Nepal45.72 (2020)57.28 (2019)-11.55 pp
4India flag India48.40 (2020)59.89 (2019)-11.50 pp
5Pakistan flag Pakistan43.00 (2020)52.86 (2019)-9.86 pp
6Bangladesh flag Bangladesh42.38 (2020)50.37 (2019)-7.98 pp
7Yemen flag Yemen34.83 (2020)41.64 (2019)-6.81 pp
8Bhutan flag Bhutan23.95 (2020)30.05 (2019)-6.11 pp
9Sudan flag Sudan45.84 (2020)51.94 (2019)-6.10 pp
10United Arab Emirates flag United Arab Emirates36.31 (2020)41.96 (2019)-5.65 pp
11Saudi Arabia flag Saudi Arabia53.15 (2020)58.62 (2019)-5.47 pp
12Qatar flag Qatar75.66 (2020)81.01 (2019)-5.35 pp
13Oman flag Oman39.58 (2020)44.90 (2019)-5.31 pp
14Eritrea flag Eritrea32.35 (2020)36.27 (2019)-3.91 pp
15Djibouti flag Djibouti35.92 (2020)39.72 (2019)-3.80 pp
16Libya flag Libya32.97 (2020)36.48 (2019)-3.51 pp
17Tajikistan flag Tajikistan37.05 (2020)40.29 (2019)-3.24 pp
18Singapore flag Singapore13.87 (2020)17.08 (2019)-3.21 pp
19China flag China34.81 (2020)37.55 (2019)-2.74 pp
20Chad flag Chad49.14 (2020)51.87 (2019)-2.73 pp
21Suriname flag Suriname27.31 (2020)29.99 (2019)-2.68 pp
22South Sudan flag South Sudan30.74 (2020)33.36 (2019)-2.62 pp
23Jordan flag Jordan28.77 (2020)31.26 (2019)-2.49 pp
24Eswatini flag Eswatini18.78 (2020)21.17 (2019)-2.38 pp
25Kyrgyzstan flag Kyrgyzstan24.38 (2020)26.76 (2019)-2.38 pp
26Uzbekistan flag Uzbekistan31.96 (2020)34.13 (2019)-2.17 pp
27Türkiye flag Türkiye21.61 (2020)23.70 (2019)-2.08 pp
28Armenia flag Armenia30.58 (2020)32.66 (2019)-2.08 pp
29Peru flag Peru27.04 (2020)29.11 (2019)-2.08 pp
30Syria flag Syria24.71 (2020)26.47 (2019)-1.77 pp
31Iran flag Iran32.29 (2020)34.02 (2019)-1.73 pp
32Malaysia flag Malaysia16.19 (2020)17.82 (2019)-1.63 pp
33Bolivia flag Bolivia22.88 (2020)24.49 (2019)-1.61 pp
34Indonesia flag Indonesia17.88 (2020)19.43 (2019)-1.55 pp
35Cyprus flag Cyprus13.51 (2020)15.01 (2019)-1.50 pp
36Bahrain flag Bahrain58.50 (2020)59.97 (2019)-1.47 pp
37Mongolia flag Mongolia29.66 (2020)31.08 (2019)-1.43 pp
38Ethiopia flag Ethiopia27.31 (2020)28.69 (2019)-1.38 pp
39Mauritania flag Mauritania70.82 (2020)72.20 (2019)-1.38 pp
40Lebanon flag Lebanon19.23 (2020)20.60 (2019)-1.37 pp
41Philippines flag Philippines20.29 (2020)21.53 (2019)-1.24 pp
42North Korea flag North Korea29.93 (2020)31.12 (2019)-1.20 pp
43Ecuador flag Ecuador16.66 (2020)17.77 (2019)-1.11 pp
44Australia flag Australia8.25 (2020)9.33 (2019)-1.08 pp
45Lithuania flag Lithuania9.22 (2020)10.25 (2019)-1.03 pp
46Moldova flag Moldova14.76 (2020)15.77 (2019)-1.02 pp
47Belarus flag Belarus14.61 (2020)15.62 (2019)-1.01 pp
48Israel flag Israel18.60 (2020)19.56 (2019)-0.96 pp
49New Zealand flag New Zealand6.49 (2020)7.42 (2019)-0.94 pp
50Seychelles flag Seychelles8.50 (2020)9.43 (2019)-0.93 pp
51Cameroon flag Cameroon39.81 (2020)40.74 (2019)-0.92 pp
52Latvia flag Latvia11.60 (2020)12.49 (2019)-0.88 pp
53Malta flag Malta11.72 (2020)12.59 (2019)-0.87 pp
54Kazakhstan flag Kazakhstan20.03 (2020)20.86 (2019)-0.83 pp
55Poland flag Poland17.96 (2020)18.77 (2019)-0.81 pp
56Estonia flag Estonia6.15 (2020)6.85 (2019)-0.70 pp
57Ukraine flag Ukraine14.90 (2020)15.58 (2019)-0.68 pp
58Turkmenistan flag Turkmenistan19.60 (2020)20.25 (2019)-0.65 pp
59Guyana flag Guyana25.46 (2020)26.09 (2019)-0.63 pp
60Mali flag Mali56.78 (2020)57.39 (2019)-0.61 pp
61Georgia flag Georgia17.04 (2020)17.62 (2019)-0.57 pp
62Denmark flag Denmark9.07 (2020)9.61 (2019)-0.54 pp
63Greece flag Greece14.41 (2020)14.94 (2019)-0.53 pp
64Austria flag Austria10.93 (2020)11.47 (2019)-0.53 pp
65Hungary flag Hungary14.14 (2020)14.64 (2019)-0.51 pp
66Fiji flag Fiji12.42 (2020)12.91 (2019)-0.49 pp
67Finland flag Finland4.90 (2020)5.38 (2019)-0.48 pp
68Central African Republic flag Central African Republic34.43 (2020)34.91 (2019)-0.48 pp
69Netherlands flag Netherlands10.89 (2020)11.36 (2019)-0.48 pp
70Slovakia flag Slovakia15.39 (2020)15.84 (2019)-0.45 pp
71Sweden flag Sweden5.64 (2020)6.07 (2019)-0.43 pp
72Palau flag Palau7.33 (2020)7.75 (2019)-0.42 pp
73Panama flag Panama11.47 (2020)11.88 (2019)-0.41 pp
74Russia flag Russia11.27 (2020)11.68 (2019)-0.41 pp
75Bulgaria flag Bulgaria17.15 (2020)17.54 (2019)-0.39 pp
76Switzerland flag Switzerland9.06 (2020)9.45 (2019)-0.39 pp
77Iceland flag Iceland5.11 (2020)5.48 (2019)-0.38 pp
78Germany flag Germany10.29 (2020)10.64 (2019)-0.35 pp
79Brunei flag Brunei7.60 (2020)7.95 (2019)-0.35 pp
80Solomon Islands flag Solomon Islands13.95 (2020)14.30 (2019)-0.35 pp
81Montenegro flag Montenegro17.98 (2020)18.32 (2019)-0.34 pp
82Colombia flag Colombia14.18 (2020)14.52 (2019)-0.33 pp
83Norway flag Norway6.06 (2020)6.38 (2019)-0.33 pp
84Samoa flag Samoa12.55 (2020)12.87 (2019)-0.32 pp
85Maldives flag Maldives12.01 (2020)12.31 (2019)-0.30 pp
86Botswana flag Botswana18.91 (2020)19.20 (2019)-0.30 pp
87Azerbaijan flag Azerbaijan21.73 (2020)22.02 (2019)-0.30 pp
88Kiribati flag Kiribati11.26 (2020)11.55 (2019)-0.29 pp
89Tonga flag Tonga12.48 (2020)12.76 (2019)-0.28 pp
90Vanuatu flag Vanuatu14.08 (2020)14.34 (2019)-0.25 pp
91Italy flag Italy14.66 (2020)14.89 (2019)-0.23 pp
92France flag France9.60 (2020)9.83 (2019)-0.22 pp
93Micronesia flag Micronesia12.11 (2020)12.34 (2019)-0.22 pp
94Timor-Leste flag Timor-Leste17.41 (2020)17.63 (2019)-0.22 pp
95Congo flag Congo28.57 (2020)28.75 (2019)-0.17 pp
96Brazil flag Brazil12.18 (2020)12.35 (2019)-0.17 pp
97Romania flag Romania14.85 (2020)15.01 (2019)-0.16 pp
98Serbia flag Serbia22.51 (2020)22.64 (2019)-0.13 pp
99Mauritius flag Mauritius9.15 (2020)9.28 (2019)-0.12 pp
100Czech Republic flag Czech Republic14.11 (2020)14.23 (2019)-0.12 pp
101Bosnia and Herzegovina flag Bosnia and Herzegovina26.60 (2020)26.72 (2019)-0.11 pp
102Laos flag Laos22.32 (2020)22.43 (2019)-0.11 pp
103Japan flag Japan12.84 (2020)12.94 (2019)-0.10 pp
104Tuvalu flag Tuvalu5.92 (2020)6.01 (2019)-0.09 pp
105Monaco flag Monaco9.58 (2020)9.66 (2019)-0.08 pp
106Marshall Islands flag Marshall Islands10.73 (2020)10.80 (2019)-0.08 pp
107South Korea flag South Korea25.94 (2020)26.02 (2019)-0.07 pp
108Madagascar flag Madagascar12.75 (2020)12.80 (2019)-0.04 pp
109United Kingdom flag United Kingdom9.91 (2020)9.95 (2019)-0.03 pp
110Paraguay flag Paraguay10.09 (2020)10.12 (2019)-0.03 pp
111Vietnam flag Vietnam20.80 (2020)20.83 (2019)-0.03 pp
112Belgium flag Belgium11.22 (2020)11.21 (2019)+0.00 pp
113Albania flag Albania15.71 (2020)15.71 (2019)+0.00 pp
114Nauru flag Nauru6.06 (2020)6.03 (2019)+0.04 pp
115Andorra flag Andorra9.08 (2020)9.01 (2019)+0.07 pp
116Myanmar flag Myanmar32.32 (2020)32.16 (2019)+0.15 pp
117Sri Lanka flag Sri Lanka19.96 (2020)19.78 (2019)+0.18 pp
118San Marino flag San Marino10.69 (2020)10.49 (2019)+0.20 pp
119Croatia flag Croatia16.12 (2020)15.92 (2019)+0.21 pp
120Luxembourg flag Luxembourg8.68 (2020)8.46 (2019)+0.22 pp
121Spain flag Spain9.58 (2020)9.35 (2019)+0.23 pp
122North Macedonia flag North Macedonia26.12 (2020)25.88 (2019)+0.24 pp
123Uruguay flag Uruguay10.57 (2020)10.30 (2019)+0.27 pp
124Ireland flag Ireland8.17 (2020)7.89 (2019)+0.28 pp
125Mexico flag Mexico14.99 (2020)14.71 (2019)+0.29 pp
126Democratic Republic of the Congo flag Democratic Republic of the Congo26.65 (2020)26.34 (2019)+0.31 pp
127Dominican Republic flag Dominican Republic19.83 (2020)19.50 (2019)+0.33 pp
128Canada flag Canada6.57 (2020)6.23 (2019)+0.34 pp
129Jamaica flag Jamaica17.41 (2020)17.07 (2019)+0.34 pp
130Bahamas flag Bahamas18.94 (2020)18.57 (2019)+0.37 pp
131Slovenia flag Slovenia14.29 (2020)13.91 (2019)+0.38 pp
132Morocco flag Morocco21.32 (2020)20.93 (2019)+0.39 pp
133Grenada flag Grenada24.66 (2020)24.27 (2019)+0.39 pp
134Barbados flag Barbados23.73 (2020)23.33 (2019)+0.41 pp
135Venezuela flag Venezuela15.26 (2020)14.85 (2019)+0.41 pp
136Haiti flag Haiti21.35 (2020)20.94 (2019)+0.41 pp
137Tunisia flag Tunisia24.18 (2020)23.77 (2019)+0.41 pp
138Papua New Guinea flag Papua New Guinea17.31 (2020)16.89 (2019)+0.42 pp
139Iraq flag Iraq38.18 (2020)37.73 (2019)+0.44 pp
140Portugal flag Portugal8.45 (2020)7.98 (2019)+0.47 pp
141Mozambique flag Mozambique20.08 (2020)19.60 (2019)+0.48 pp
142Argentina flag Argentina14.91 (2020)14.40 (2019)+0.51 pp
143Saint Vincent and the Grenadines flag Saint Vincent and the Grenadines23.93 (2020)23.41 (2019)+0.52 pp
144Chile flag Chile23.28 (2020)22.73 (2019)+0.54 pp
145Angola flag Angola25.15 (2020)24.60 (2019)+0.55 pp
146South Africa flag South Africa23.75 (2020)23.19 (2019)+0.56 pp
147Trinidad and Tobago flag Trinidad and Tobago25.60 (2020)25.01 (2019)+0.59 pp
148Namibia flag Namibia20.00 (2020)19.39 (2019)+0.61 pp
149Dominica flag Dominica20.67 (2020)20.04 (2019)+0.62 pp
150Thailand flag Thailand31.01 (2020)30.38 (2019)+0.62 pp
151United States flag United States7.82 (2020)7.18 (2019)+0.64 pp
152Antigua and Barbuda flag Antigua and Barbuda19.70 (2020)19.06 (2019)+0.64 pp
153Saint Lucia flag Saint Lucia23.76 (2020)23.07 (2019)+0.69 pp
154Saint Kitts and Nevis flag Saint Kitts and Nevis8.59 (2020)7.87 (2019)+0.72 pp
155Burundi flag Burundi29.65 (2020)28.78 (2019)+0.88 pp
156Guinea flag Guinea43.77 (2020)42.88 (2019)+0.89 pp
157Cuba flag Cuba21.24 (2020)20.34 (2019)+0.89 pp
158Costa Rica flag Costa Rica14.31 (2020)13.38 (2019)+0.93 pp
159Kuwait flag Kuwait53.72 (2020)52.78 (2019)+0.93 pp
160Zimbabwe flag Zimbabwe19.49 (2020)18.53 (2019)+0.96 pp
161Zambia flag Zambia24.31 (2020)23.20 (2019)+1.11 pp
162Algeria flag Algeria25.55 (2020)24.39 (2019)+1.16 pp
163Cambodia flag Cambodia24.14 (2020)22.97 (2019)+1.17 pp
164Rwanda flag Rwanda31.29 (2020)30.01 (2019)+1.28 pp
165Malawi flag Malawi23.70 (2020)22.34 (2019)+1.36 pp
166Guatemala flag Guatemala21.64 (2020)20.21 (2019)+1.43 pp
167Comoros flag Comoros11.93 (2020)10.41 (2019)+1.52 pp
168Somalia flag Somalia24.53 (2020)22.84 (2019)+1.69 pp
169Guinea-Bissau flag Guinea-Bissau50.21 (2020)48.50 (2019)+1.71 pp
170El Salvador flag El Salvador20.03 (2020)18.27 (2019)+1.76 pp
171Nicaragua flag Nicaragua16.81 (2020)14.98 (2019)+1.83 pp
172Honduras flag Honduras20.31 (2020)18.14 (2019)+2.17 pp
173Lesotho flag Lesotho23.44 (2020)21.18 (2019)+2.26 pp
174Uganda flag Uganda33.81 (2020)31.49 (2019)+2.32 pp
175Gabon flag Gabon29.96 (2020)27.52 (2019)+2.43 pp
176Belize flag Belize28.65 (2020)26.15 (2019)+2.51 pp
177Cabo Verde flag Cabo Verde42.32 (2020)39.35 (2019)+2.97 pp
178Senegal flag Senegal63.74 (2020)60.34 (2019)+3.40 pp
179Gambia flag Gambia58.36 (2020)54.87 (2019)+3.49 pp
180Equatorial Guinea flag Equatorial Guinea35.38 (2020)31.55 (2019)+3.83 pp
181Togo flag Togo51.67 (2020)47.63 (2019)+4.04 pp
182Tanzania flag Tanzania25.08 (2020)20.78 (2019)+4.30 pp
183Benin flag Benin51.05 (2020)46.56 (2019)+4.48 pp
184Ghana flag Ghana54.24 (2020)49.66 (2019)+4.59 pp
185Sierra Leone flag Sierra Leone43.22 (2020)38.59 (2019)+4.63 pp
186Nigeria flag Nigeria56.53 (2020)51.72 (2019)+4.81 pp
187Kenya flag Kenya24.39 (2020)19.57 (2019)+4.82 pp
188Côte d'Ivoire flag Côte d'Ivoire49.50 (2020)44.33 (2019)+5.17 pp
189Liberia flag Liberia42.36 (2020)37.16 (2019)+5.20 pp
190Sao Tome and Principe flag Sao Tome and Principe27.34 (2020)21.66 (2019)+5.68 pp
191Burkina Faso flag Burkina Faso58.47 (2020)50.71 (2019)+7.76 pp
192Niger flag Niger85.12 (2020)72.47 (2019)+12.65 pp

Source: World Bank. Only countries with complete data (both points within the past 10 years) are shown.

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