Data for 2001

PM2.5 Air Pollution Exposure, 2001

Name: PM2.5 Air Pollution Exposure, 2001
Creator: Atmospheric Composition Analysis Group, Washington University in St. Louis
License: https://sites.wustl.edu/acag/datasets/surface-pm2-5/

Figures for 2001, as Atmospheric Composition Analysis Group published them · stored as published, never rewritten

PM2.5 is the dust, soot and smoke in the air fine enough to reach deep into the lungs. This is the yearly average concentration the typical resident breathes: the country's pollution map weighted by where its people live, estimated from satellites, a chemical model and ground monitors.

PM2.5 Air Pollution Exposure, 2001 covers 220 countries on 4 measures. Qatar is highest, at 72.1; Greenland is lowest, at 1.7. The middle country reads 15.5. Against 2000, 214 values changed (121 up, 93 down), the same countries are covered.

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PM2.5 Air Pollution Exposure · Data for 2001

HighestQatar

72.1

LowestGreenland

1.7

Shaded by value in five groups of equal size, darkest at the lowest end.

220countries
4measures per country
2001the year it describes
162distinct values1 decimal, as published
Sep 29, 2026read from the publisher
CC BY 4.0licence

01Position · derived

The table

Every country and every column of PM2.5 Air Pollution Exposure, 2001, as published. Atmospheric Composition Analysis Group ranks nobody on this measure; the position is derived here by ordering the published values. “=” marks a shared position.

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Showing 25 of 220 countries · select a heading to sort

PM2.5 Air Pollution Exposure, 2001: every country, as published by Atmospheric Composition Analysis Group, Washington University in St. Louis.
derived
1	Qatar`QAT`Western Asia	72.1	82.4	100.0	100.0
2	Bangladesh`BGD`Southern Asia	53.5	49.1	100.0	92.9
3	Saudi Arabia`SAU`Western Asia	52.0	43.7	100.0	78.2
4	Kuwait`KWT`Western Asia	50.6	47.2	100.0	86.0
5	Bahrain`BHR`Western Asia	50.5	58.7	100.0	95.5
6	United Arab Emirates`ARE`Western Asia	50.4	54.5	100.0	97.8
7	Lesotho`LSO`Southern Africa	47.6	53.2	100.0	83.0
8	Egypt`EGY`Northern Africa	46.0	34.5	100.0	86.7
9	Niger`NER`Western Africa	44.1	40.7	100.0	82.8
10	Pakistan`PAK`Southern Asia	42.2	38.8	100.0	74.6
11	Oman`OMN`Western Asia	41.4	39.7	100.0	82.6
12	Nigeria`NGA`Western Africa	37.5	37.9	100.0	50.7
13	Cameroon`CMR`Middle Africa	37.4	26.6	100.0	45.2
=14	China`CHN`Eastern Asia	36.9	25.3	100.0	55.0
=14	Mauritania`MRT`Western Africa	36.9	37.7	100.0	43.2
=16	India`IND`Southern Asia	36.7	32.0	100.0	44.7
=16	Sudan`SDN`Northern Africa	36.7	36.0	100.0	48.1
18	Senegal`SEN`Western Africa	35.7	33.2	100.0	42.4
19	Iraq`IRQ`Western Asia	35.4	31.5	100.0	47.5
20	Chad`TCD`Middle Africa	34.8	40.4	100.0	31.8
21	Afghanistan`AFG`Southern Asia	34.0	36.4	100.0	31.7
22	Iran`IRN`Southern Asia	33.5	34.3	100.0	38.8
23	Gambia`GMB`Western Africa	33.3	30.8	100.0	34.5
24	Burkina Faso`BFA`Western Africa	32.2	30.7	100.0	9.7
25	Guinea-Bissau`GNB`Western Africa	31.8	29.8	100.0	22.0
26	Nepal`NPL`Southern Asia	31.2	26.7	100.0	21.8
27	Mali`MLI`Western Africa	30.9	30.4	100.0	17.3
28	Uzbekistan`UZB`Central Asia	29.0	25.7	100.0	21.8
29	Benin`BEN`Western Africa	28.9	32.4	100.0	22.6
30	Togo`TGO`Western Africa	28.8	29.0	100.0	9.1
31	Bhutan`BTN`Southern Asia	28.7	22.6	100.0	17.7
32	Turkmenistan`TKM`Central Asia	28.6	29.7	100.0	5.8
33	Tajikistan`TJK`Central Asia	28.2	17.8	100.0	25.9
34	DR Congo`COD`Middle Africa	27.5	25.2	100.0	14.8
35	Rwanda`RWA`Eastern Africa	27.3	26.9	100.0	0.9
36	Uganda`UGA`Eastern Africa	27.2	21.8	100.0	13.6
37	Myanmar`MMR`South-eastern Asia	26.8	21.7	100.0	21.8
38	Lebanon`LBN`Western Asia	26.7	21.1	100.0	10.7
39	Djibouti`DJI`Eastern Africa	26.2	24.4	100.0	0.0
40	North Korea`PRK`Eastern Asia	26.1	22.4	100.0	4.8
41	Guinea`GIN`Western Africa	25.8	25.4	100.0	5.2
42	Jordan`JOR`Western Asia	25.6	25.1	100.0	12.5
43	Burundi`BDI`Eastern Africa	25.5	24.9	100.0	1.7
44	Eritrea`ERI`Eastern Africa	24.9	26.1	100.0	3.0
45	South Africa`ZAF`Southern Africa	24.8	21.1	99.8	21.9
46	El Salvador`SLV`Central America	24.7	21.8	100.0	3.9
47	Ghana`GHA`Western Africa	24.2	25.9	100.0	6.2
48	Bosnia and Herzegovina`BIH`Southern Europe	24.1	20.4	100.0	3.1
49	Central African Republic`CAF`Middle Africa	23.9	22.6	100.0	0.0
50	Poland`POL`Eastern Europe	23.8	20.3	100.0	9.1
51	Republic of the Congo`COG`Middle Africa	23.4	22.1	100.0	11.1
52	Vietnam`VNM`South-eastern Asia	23.2	20.5	100.0	0.0
=53	South Korea`KOR`Eastern Asia	23.1	21.7	100.0	0.0
=53	Yemen`YEM`Western Asia	23.1	26.4	100.0	1.5
55	Ethiopia`ETH`Eastern Africa	22.8	20.2	100.0	0.8
56	Syria`SYR`Western Asia	22.5	22.5	100.0	3.1
57	Hungary`HUN`Eastern Europe	22.2	20.4	100.0	0.0
=58	Bulgaria`BGR`Eastern Europe	21.6	19.7	100.0	0.5
=58	South Sudan`SSD`Eastern Africa	21.6	21.0	100.0	0.0
=60	North Macedonia`MKD`Southern Europe	21.3	19.2	100.0	6.5
=60	Serbia`SRB`Southern Europe	21.3	19.8	100.0	0.3
62	Slovakia`SVK`Eastern Europe	21.2	20.0	100.0	0.0
63	Armenia`ARM`Western Asia	20.9	17.7	100.0	0.0
=64	Bolivia`BOL`South America	20.8	18.1	100.0	0.9
=64	Thailand`THA`South-eastern Asia	20.8	20.0	100.0	0.0
66	Laos`LAO`South-eastern Asia	20.7	19.3	100.0	0.0
67	Kenya`KEN`Eastern Africa	20.5	13.3	100.0	8.5
=68	Libya`LBY`Northern Africa	20.1	24.6	100.0	0.3
=68	Sierra Leone`SLE`Western Africa	20.1	18.6	100.0	0.5
=70	Guatemala`GTM`Central America	19.9	15.9	100.0	0.0
=70	Romania`ROU`Eastern Europe	19.9	18.5	100.0	0.1
=72	Azerbaijan`AZE`Western Asia	19.7	18.0	100.0	0.4
=72	Kyrgyzstan`KGZ`Central Asia	19.7	14.4	100.0	4.8
=74	Czechia`CZE`Eastern Europe	19.6	16.9	100.0	0.1
=74	Israel`ISR`Western Asia	19.6	21.8	100.0	0.0
=76	Croatia`HRV`Southern Europe	19.5	17.4	100.0	0.0
=76	Palestine`PSE`Western Asia	19.5	19.2	100.0	0.6
78	Kosovo`XKX`Southern Europe	19.4	18.9	100.0	0.0
=79	Côte d’Ivoire`CIV`Western Africa	19.2	21.5	100.0	0.0
=79	Slovenia`SVN`Southern Europe	19.2	16.2	100.0	0.0
=81	Türkiye`TUR`Western Asia	19.1	19.1	100.0	0.2
=81	Vatican City`VAT`Southern Europe	19.1	19.1	100.0	0.0
83	Honduras`HND`Central America	18.9	15.0	100.0	0.4
84	Sri Lanka`LKA`Southern Asia	18.3	19.4	100.0	0.1
85	Moldova`MDA`Eastern Europe	18.0	17.6	100.0	0.0
=86	Chile`CHL`South America	17.7	13.6	99.9	0.2
=86	Venezuela`VEN`South America	17.7	13.7	100.0	0.0
=88	Angola`AGO`Middle Africa	17.6	17.3	100.0	0.0
=88	Mexico`MEX`Central America	17.6	11.1	99.9	0.1
=90	Albania`ALB`Southern Europe	17.5	15.6	100.0	0.0
=90	Italy`ITA`Southern Europe	17.5	13.7	100.0	0.0
92	Colombia`COL`South America	17.2	16.4	99.9	0.0
=93	Peru`PER`South America	16.9	15.2	100.0	0.0
=93	Tanzania`TZA`Eastern Africa	16.9	15.1	100.0	0.4
=93	Zambia`ZMB`Eastern Africa	16.9	16.8	100.0	0.0
=96	Cyprus`CYP`Western Asia	16.6	17.2	100.0	0.0
=96	Greece`GRC`Southern Europe	16.6	14.3	100.0	0.0
98	Ukraine`UKR`Eastern Europe	16.5	15.1	100.0	0.0
=99	Georgia`GEO`Western Asia	16.3	14.6	100.0	0.0
=99	Northern Cyprus`XNC`Western Asia	16.3	16.0	100.0	0.0
=99	Panama`PAN`Central America	16.3	16.0	100.0	0.0
102	Cambodia`KHM`South-eastern Asia	16.2	15.2	100.0	0.0
=103	Costa Rica`CRI`Central America	16.1	16.1	100.0	0.0
=103	Nicaragua`NIC`Central America	16.1	12.9	100.0	0.0
=105	Ecuador`ECU`South America	15.9	15.3	99.9	0.0
=105	Mongolia`MNG`Eastern Asia	15.9	13.2	99.9	8.3
107	Cabo Verde`CPV`Western Africa	15.8	16.3	100.0	0.0
108	Philippines`PHL`South-eastern Asia	15.7	11.1	100.0	0.4
=109	Dominican Republic`DOM`Caribbean	15.5	10.6	100.0	0.0
=109	Equatorial Guinea`GNQ`Middle Africa	15.5	14.4	100.0	0.6
111	Kazakhstan`KAZ`Central Asia	15.4	13.7	100.0	1.0
112	Singapore`SGP`South-eastern Asia	15.3	15.2	100.0	0.0
113	Austria`AUT`Western Europe	15.2	12.2	99.9	0.0
=114	Morocco`MAR`Northern Africa	15.1	16.0	100.0	0.0
=114	San Marino`SMR`Southern Europe	15.1	14.8	100.0	0.0
=116	Mauritius`MUS`Eastern Africa	14.9	10.3	96.4	10.6
=116	Tunisia`TUN`Northern Africa	14.9	17.6	100.0	0.0
118	Liberia`LBR`Western Africa	14.7	12.3	100.0	0.0
=119	Eswatini`SWZ`Southern Africa	14.6	14.3	100.0	0.0
=119	Malawi`MWI`Eastern Africa	14.6	14.9	100.0	0.0
=121	Belarus`BLR`Eastern Europe	14.5	13.1	100.0	0.0
=121	Indonesia`IDN`South-eastern Asia	14.5	10.0	99.6	0.5
123	Botswana`BWA`Southern Africa	14.4	13.7	100.0	0.0
=124	Japan`JPN`Eastern Asia	14.3	12.6	100.0	0.0
=124	Paraguay`PRY`South America	14.3	13.8	100.0	0.0
126	Zimbabwe`ZWE`Eastern Africa	14.2	13.1	100.0	0.0
127	Gabon`GAB`Middle Africa	14.1	13.4	100.0	0.0
128	Algeria`DZA`Northern Africa	14.0	21.6	100.0	0.2
129	Montenegro`MNE`Southern Europe	13.9	13.4	100.0	0.0
=130	Jamaica`JAM`Caribbean	13.7	11.7	100.0	0.0
=130	Netherlands`NLD`Western Europe	13.7	13.6	100.0	0.0
132	France`FRA`Western Europe	13.6	11.6	100.0	0.2
=133	Germany`DEU`Western Europe	13.5	12.8	100.0	0.0
=133	Haiti`HTI`Caribbean	13.5	11.5	100.0	0.0
=135	Belgium`BEL`Western Europe	13.4	12.5	100.0	0.0
=135	Switzerland`CHE`Western Europe	13.4	10.5	100.0	0.0
137	Malta`MLT`Southern Europe	13.2	12.9	100.0	0.0
138	Russia`RUS`Eastern Europe	12.8	6.9	97.8	0.0
=139	Argentina`ARG`South America	12.7	13.0	100.0	0.4
=139	Lithuania`LTU`Northern Europe	12.7	11.3	100.0	0.0
=139	Namibia`NAM`Southern Africa	12.7	10.2	100.0	0.0
=139	Suriname`SUR`South America	12.7	10.0	100.0	0.0
143	Liechtenstein`LIE`Western Europe	12.5	11.6	100.0	0.0
144	United States`USA`Northern America	12.4	6.7	99.2	0.0
=145	Barbados`BRB`Caribbean	12.3	13.5	100.0	0.0
=145	Brazil`BRA`South America	12.3	13.8	99.8	0.0
=145	Cuba`CUB`Caribbean	12.3	10.3	100.0	0.0
=145	Luxembourg`LUX`Western Europe	12.3	11.2	100.0	0.0
=145	Malaysia`MYS`South-eastern Asia	12.3	9.3	99.9	0.0
=145	Portugal`PRT`Southern Europe	12.3	9.8	98.5	0.0
=145	Somalia`SOM`Eastern Africa	12.3	14.6	100.0	0.0
152	Monaco`MCO`Western Europe	12.1	11.9	100.0	0.0
=153	São Tomé and Príncipe`STP`Middle Africa	11.9	11.1	100.0	0.0
=153	Spain`ESP`Southern Europe	11.9	9.6	100.0	0.0
155	Denmark`DNK`Northern Europe	11.8	11.3	100.0	0.0
156	United Kingdom`GBR`Northern Europe	11.7	9.2	99.9	0.0
157	Uruguay`URY`South America	11.6	10.1	100.0	0.0
158	Gibraltar`GIB`Southern Europe	11.4	11.4	100.0	0.0
159	Mozambique`MOZ`Eastern Africa	11.3	11.8	100.0	0.0
160	Latvia`LVA`Northern Europe	11.2	9.0	100.0	0.0
161	Trinidad and Tobago`TTO`Caribbean	11.1	10.2	100.0	0.0
=162	Belize`BLZ`Central America	10.2	10.7	100.0	0.0
=162	Maldives`MDV`Southern Asia	10.2	10.9	100.0	0.0
164	Timor-Leste`TLS`South-eastern Asia	10.0	9.9	100.0	0.0
=165	Antigua and Barbuda`ATG`Caribbean	9.8	9.1	100.0	0.0
=165	Curaçao`CUW`Caribbean	9.8	9.0	100.0	0.0
167	Cayman Islands`CYM`Caribbean	9.7	9.3	100.0	0.0
168	Guyana`GUY`South America	9.6	9.3	100.0	0.0
=169	Aruba`ABW`Caribbean	9.3	8.5	99.7	0.0
=169	Ireland`IRL`Northern Europe	9.3	8.8	99.7	0.0
171	Saint Lucia`LCA`Caribbean	9.0	9.0	99.5	0.0
=172	Brunei`BRN`South-eastern Asia	8.9	7.2	99.7	0.0
=172	Saint Kitts and Nevis`KNA`Caribbean	8.9	8.7	99.9	0.0
174	Madagascar`MDG`Eastern Africa	8.8	7.1	89.5	0.1
175	Grenada`GRD`Caribbean	8.7	8.5	99.7	0.0
176	Canada`CAN`Northern America	8.4	3.3	94.4	0.0
177	Estonia`EST`Northern Europe	8.1	7.2	100.0	0.0
=178	Saint Vincent and the Grenadines`VCT`Caribbean	8.0	8.1	100.0	0.0
=178	Sint Maarten`SXM`Caribbean	8.0	8.2	100.0	0.0
180	Puerto Rico`PRI`Caribbean	7.9	7.5	99.8	0.0
181	Saint Martin`MAF`Caribbean	7.7	7.8	100.0	0.0
182	Montserrat`MSR`Caribbean	7.6	7.4	99.5	0.0
183	Bahamas`BHS`Caribbean	7.5	7.4	100.0	0.0
=184	Andorra`AND`Southern Europe	7.4	6.0	88.8	0.0
=184	Dominica`DMA`Caribbean	7.4	7.2	97.7	0.0
=186	Anguilla`AIA`Caribbean	7.2	7.2	100.0	0.0
=186	Fiji`FJI`Melanesia	7.2	6.4	93.4	0.0
=186	Papua New Guinea`PNG`Melanesia	7.2	6.7	92.3	0.0
=186	Sweden`SWE`Northern Europe	7.2	4.2	84.3	0.0
190	Isle of Man`IMN`Northern Europe	7.0	6.2	99.8	0.0
191	United States Virgin Islands`VIR`Caribbean	6.8	6.4	96.9	0.0
=192	Bermuda`BMU`Northern America	6.6	6.6	100.0	0.0
=192	British Virgin Islands`VGB`Caribbean	6.6	6.5	97.2	0.0
194	New Zealand`NZL`Australia and New Zealand	6.4	6.1	96.9	0.0
195	Turks and Caicos Islands`TCA`Caribbean	6.2	6.1	99.1	0.0
196	Finland`FIN`Northern Europe	6.1	4.5	80.2	0.0
197	Australia`AUS`Australia and New Zealand	6.0	6.7	81.0	0.0
198	Norway`NOR`Northern Europe	5.9	3.7	65.5	0.0
199	Comoros`COM`Eastern Africa	5.6	5.6	95.8	0.0
200	Tonga`TON`Polynesia	4.7	4.4	47.7	0.0
201	Solomon Islands`SLB`Melanesia	4.4	4.4	5.7	0.0
=202	Samoa`WSM`Polynesia	4.3	4.1	0.0	0.0
=202	Vanuatu`VUT`Melanesia	4.3	4.4	4.9	0.0
204	Palau`PLW`Micronesia	4.2	4.3	2.6	0.0
205	Seychelles`SYC`Eastern Africa	3.9	3.9	0.0	0.0
=206	American Samoa`ASM`Polynesia	3.8	3.6	0.0	0.0
=206	New Caledonia`NCL`Melanesia	3.8	3.7	0.0	0.0
208	Iceland`ISL`Northern Europe	3.4	2.9	4.4	0.0
=209	Faroe Islands`FRO`Northern Europe	3.2	3.1	0.0	0.0
=209	Guam`GUM`Micronesia	3.2	3.1	0.0	0.0
=209	Niue`NIU`Polynesia	3.2	3.1	0.0	0.0
212	Northern Mariana Islands`MNP`Micronesia	3.1	3.1	0.0	0.0
=213	Kiribati`KIR`Micronesia	2.8	3.1	0.0	0.0
=213	Micronesia`FSM`Micronesia	2.8	2.8	0.0	0.0
=215	Cook Islands`COK`Polynesia	2.6	2.5	0.0	0.0
=215	Nauru`NRU`Micronesia	2.6	2.7	0.0	0.0
217	Tuvalu`TUV`Polynesia	2.5	2.5	0.0	0.0
218	French Polynesia`PYF`Polynesia	2.4	-1.8	0.0	0.0
219	Marshall Islands`MHL`Micronesia	2.3	1.1	0.0	0.0
220	Greenland`GRL`Northern America	1.7	1.1	0.0	0.0

02In 2001

At either end

The 5 countries at each end of the headline, then the highest and lowest on each other measure.

Highest

1Qatar72.1
2Bangladesh53.5
3Saudi Arabia52.0
4Kuwait50.6
5Bahrain50.5

Lowest

220Greenland1.7
219Marshall Islands2.3
218French Polynesia2.4
217Tuvalu2.5
215Naurushared2.6

A higher value is the worse result. The middle country reads 15.5. “Shared” marks a value another country also holds.

Each measure’s ends

PM2.5, geographic mean (µg/m³)
HighestQatar82.4
LowestFrench Polynesia-1.8
Middle country: 13.8
People at or above 5 µg/m³, the WHO guideline (%)
Highest160 share it
Lowest16 share it
Middle country: 100.0
People at or above 35 µg/m³, the WHO's first interim target (%)
HighestQatar100.0
Lowest140 share it
Middle country: 0.0

032000 → 2001

Since 2000

+0 / −0countries joined / left
214values changed, of 220 in both
121 · 93rose · fell
6unchanged

Rose most

Egypt34.5 → 46.0+11.5
Lesotho36.3 → 47.6+11.3
Bangladesh42.3 → 53.5+11.2
Bhutan23.2 → 28.7+5.5
Oman36.3 → 41.4+5.1

Fell most

Niger57.9 → 44.1−13.8
Mauritania49.8 → 36.9−12.9
Togo37.5 → 28.8−8.7
Nigeria45.7 → 37.5−8.2
Saudi Arabia60.2 → 52.0−8.2

Changes in value, not in places: a country’s place also moves when others do.

04Caveats

Read before you use

How values are stored

162 distinct values among 220
Values are stored exactly as published, to 1 decimal. 7 countries share 12.3. Countries sharing a value share a position too.
Nothing missing
Every one of the 220 countries has every column.

05The files

Download and cite

Licence in full

.csv
For a spreadsheet or code
220 rows · 8.0 KB · UTF-8, opens in Excel
Opens with 11 lines of source notes; the table starts on row 13.
Download pm25-exposure-2001-nations-inquiry.csv
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The publisher’s original
Atmospheric Composition Analysis Group’s own file, on its own site.
e673hbmsl75gechxnrjotenel6k4hdfc

What this site changed: Reshaped to one row per country, with its ISO code; no value recalculated, rescaled or rounded. In full

Licence: CC BY 4.0 · what it allows, in plain words

Cite this edition

Atmospheric Composition Analysis Group, Washington University in St. Louis (2001). PM2.5 Air Pollution Exposure, 2001 [data set], describing 2001. As held by Nations Inquiry, https://nationsinquiry.com/datasets/pm25-exposure/2001

0626 held

Other years

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PM2.5 Air Pollution Exposure, 2000
220 countries
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PM2.5 Air Pollution Exposure, 2002
220 countries
All of them
PM2.5 Air Pollution Exposure: every year
26 held, with the data dictionary, coverage and licence.
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