Data for 1998

PM2.5 Air Pollution Exposure, 1998

Figures for 1998, as Atmospheric Composition Analysis Group published them · stored as published, never rewritten

PM2.5 Air Pollution Exposure, 1998 covers 220 countries on 4 measures. Qatar is highest, at 62.8; 2 countries share the lowest reading, 1.5. The middle country reads 14.1.

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PM2.5 Air Pollution Exposure · Data for 1998

HighestQatar

62.8

Lowest2 countries share it

1.5

Shaded by value in five groups of equal size, darkest at the lowest end. A higher value is the worse result.

220countries
4measures per country
1998the year it describes
153distinct 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, 1998, 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.

Search this table

Showing 25 of 220 countries · select a heading to sort

PM2.5 Air Pollution Exposure, 1998: every country, as published by Atmospheric Composition Analysis Group, Washington University in St. Louis.
derived
1	QatarQATWestern Asia	62.8	67.8	100.0	100.0
2	NigerNERWestern Africa	50.3	47.0	100.0	98.3
3	MauritaniaMRTWestern Africa	48.9	48.0	100.0	99.9
4	NigeriaNGAWestern Africa	47.1	50.6	100.0	63.7
5	SenegalSENWestern Africa	44.9	42.6	100.0	97.1
6	LesothoLSOSouthern Africa	44.1	44.7	100.0	71.6
7	ChadTCDMiddle Africa	43.7	49.4	100.0	58.4
8	EgyptEGYNorthern Africa	43.4	34.8	100.0	77.2
9	Saudi ArabiaSAUWestern Asia	42.5	34.3	100.0	54.1
10	GambiaGMBWestern Africa	42.4	37.9	100.0	92.8
11	BangladeshBGDSouthern Asia	42.2	38.1	100.0	79.8
12	CameroonCMRMiddle Africa	41.4	30.2	100.0	49.9
13	KuwaitKWTWestern Asia	40.8	36.6	100.0	65.2
14	BahrainBHRWestern Asia	40.4	46.4	100.0	70.3
15	MaliMLIWestern Africa	37.2	37.1	100.0	54.6
16	United Arab EmiratesAREWestern Asia	37.0	43.9	100.0	43.9
=17	BeninBENWestern Africa	34.2	38.2	100.0	43.4
=17	Guinea-BissauGNBWestern Africa	34.2	32.8	100.0	39.5
=17	TogoTGOWestern Africa	34.2	35.8	100.0	45.7
20	Burkina FasoBFAWestern Africa	33.5	32.9	100.0	25.0
21	PakistanPAKSouthern Asia	31.4	25.2	99.9	27.4
22	SudanSDNNorthern Africa	31.2	31.9	100.0	25.7
23	GuineaGINWestern Africa	30.5	30.0	100.0	15.7
24	ChinaCHNEastern Asia	29.9	20.4	100.0	29.8
25	GhanaGHAWestern Africa	29.1	30.4	100.0	13.8
26	IndiaINDSouthern Asia	28.6	24.0	100.0	30.2
27	OmanOMNWestern Asia	27.4	32.5	100.0	8.9
28	GuatemalaGTMCentral America	27.1	23.2	100.0	12.4
29	Sierra LeoneSLEWestern Africa	26.7	25.6	100.0	6.5
30	TurkmenistanTKMCentral Asia	26.6	28.8	100.0	14.3
31	Central African RepublicCAFMiddle Africa	26.0	25.5	100.0	0.0
32	MyanmarMMRSouth-eastern Asia	25.6	21.3	100.0	15.6
=33	Cabo VerdeCPVWestern Africa	25.3	27.2	100.0	0.2
=33	IraqIRQWestern Asia	25.3	23.0	100.0	5.5
35	PolandPOLEastern Europe	25.2	21.8	100.0	10.8
36	RwandaRWAEastern Africa	24.7	23.1	100.0	0.1
37	LibyaLBYNorthern Africa	23.9	28.7	100.0	9.3
38	LaosLAOSouth-eastern Asia	23.8	23.0	100.0	0.0
39	South AfricaZAFSouthern Africa	23.5	16.6	98.5	19.7
40	NepalNPLSouthern Asia	23.4	18.7	100.0	0.8
=41	DR CongoCODMiddle Africa	22.7	21.6	100.0	0.3
=41	El SalvadorSLVCentral America	22.7	19.4	100.0	1.8
=43	Bosnia and HerzegovinaBIHSouthern Europe	22.6	19.6	100.0	2.0
=43	IranIRNSouthern Asia	22.6	22.5	100.0	3.0
45	HungaryHUNEastern Europe	22.4	21.1	100.0	0.0
46	ThailandTHASouth-eastern Asia	22.3	21.6	100.0	0.0
47	UzbekistanUZBCentral Asia	22.2	20.7	100.0	6.2
48	Côte d’IvoireCIVWestern Africa	22.1	24.1	100.0	0.0
49	South SudanSSDEastern Africa	22.0	21.6	100.0	0.1
=50	SerbiaSRBSouthern Europe	21.7	19.5	100.0	0.1
=50	SlovakiaSVKEastern Europe	21.7	20.6	100.0	0.0
=52	BulgariaBGREastern Europe	21.5	19.8	100.0	0.2
=52	North KoreaPRKEastern Asia	21.5	18.8	100.0	0.5
54	Vatican CityVATSouthern Europe	21.4	21.4	100.0	0.0
55	BurundiBDIEastern Africa	21.3	20.0	100.0	0.0
=56	CzechiaCZEEastern Europe	20.2	17.2	100.0	0.5
=56	LiberiaLBRWestern Africa	20.2	17.9	100.0	0.0
=56	RomaniaROUEastern Europe	20.2	18.7	100.0	0.0
59	UgandaUGAEastern Africa	19.8	15.7	100.0	4.0
=60	AfghanistanAFGSouthern Asia	19.7	18.6	100.0	7.3
=60	CroatiaHRVSouthern Europe	19.7	17.4	100.0	0.0
=60	LebanonLBNWestern Asia	19.7	16.6	100.0	0.5
=60	North MacedoniaMKDSouthern Europe	19.7	18.7	100.0	1.2
=64	AzerbaijanAZEWestern Asia	19.5	17.5	100.0	2.0
=64	HondurasHNDCentral America	19.5	15.5	100.0	0.0
=66	KosovoXKXSouthern Europe	19.2	18.7	100.0	0.0
=66	SloveniaSVNSouthern Europe	19.2	16.5	100.0	0.0
68	South KoreaKOREastern Asia	19.0	17.9	100.0	0.0
=69	JordanJORWestern Asia	18.9	18.9	100.0	0.0
=69	Republic of the CongoCOGMiddle Africa	18.9	19.6	100.0	0.0
71	EritreaERIEastern Africa	18.7	20.5	100.0	2.3
72	DjiboutiDJIEastern Africa	18.6	17.7	100.0	0.0
73	VietnamVNMSouth-eastern Asia	18.4	17.9	100.0	0.0
74	MoldovaMDAEastern Europe	18.3	17.8	100.0	0.0
=75	BhutanBTNSouthern Asia	18.2	13.8	100.0	9.3
=75	SyriaSYRWestern Asia	18.2	18.1	100.0	0.0
77	EswatiniSWZSouthern Africa	18.1	17.1	100.0	0.0
78	ItalyITASouthern Europe	18.0	14.2	100.0	0.0
79	MexicoMEXCentral America	17.8	11.9	99.6	0.0
80	TajikistanTJKCentral Asia	17.2	9.8	99.1	0.0
=81	CambodiaKHMSouth-eastern Asia	17.1	16.5	100.0	0.0
=81	MoroccoMARNorthern Africa	17.1	17.0	100.0	0.2
83	AlbaniaALBSouthern Europe	17.0	15.3	100.0	0.0
=84	BelarusBLREastern Europe	16.8	15.6	100.0	0.0
=84	SingaporeSGPSouth-eastern Asia	16.8	16.1	100.0	0.0
=84	UkraineUKREastern Europe	16.8	15.8	100.0	0.0
87	NicaraguaNICCentral America	16.7	12.8	100.0	0.0
88	MongoliaMNGEastern Asia	16.6	12.3	99.7	8.4
89	TürkiyeTURWestern Asia	16.4	15.8	100.0	0.0
=90	BelgiumBELWestern Europe	16.2	15.0	100.0	0.0
=90	NetherlandsNLDWestern Europe	16.2	16.0	100.0	0.0
=90	PalestinePSEWestern Asia	16.2	15.9	100.0	0.0
93	TunisiaTUNNorthern Africa	16.1	22.4	100.0	1.3
94	LuxembourgLUXWestern Europe	16.0	14.5	100.0	0.0
=95	GermanyDEUWestern Europe	15.8	14.8	100.0	0.0
=95	IsraelISRWestern Asia	15.8	19.7	100.0	0.0
97	GreeceGRCSouthern Europe	15.7	13.6	100.0	0.0
=98	San MarinoSMRSouthern Europe	15.6	15.2	100.0	0.0
=98	YemenYEMWestern Asia	15.6	18.6	100.0	0.1
100	AustriaAUTWestern Europe	15.5	12.8	100.0	0.0
=101	ArmeniaARMWestern Asia	15.3	12.6	100.0	0.0
=101	ParaguayPRYSouth America	15.3	13.8	100.0	0.0
103	LithuaniaLTUNorthern Europe	14.7	13.5	100.0	0.0
104	BoliviaBOLSouth America	14.6	14.7	100.0	0.1
=105	Equatorial GuineaGNQMiddle Africa	14.5	11.7	100.0	0.1
=105	FranceFRAWestern Europe	14.5	12.3	100.0	0.0
=105	MontenegroMNESouthern Europe	14.5	14.2	100.0	0.0
=108	ChileCHLSouth America	14.2	11.4	99.8	0.0
=108	Costa RicaCRICentral America	14.2	13.1	100.0	0.0
=108	MauritiusMUSEastern Africa	14.2	9.7	94.8	8.9
=111	CyprusCYPWestern Asia	14.1	14.7	100.0	0.0
=111	GeorgiaGEOWestern Asia	14.1	11.7	100.0	0.2
=111	São Tomé and PríncipeSTPMiddle Africa	14.1	12.8	100.0	0.0
=114	BruneiBRNSouth-eastern Asia	14.0	13.3	100.0	0.0
=114	Northern CyprusXNCWestern Asia	14.0	14.0	100.0	0.0
=114	SwitzerlandCHEWestern Europe	14.0	11.3	100.0	0.0
117	PhilippinesPHLSouth-eastern Asia	13.9	10.0	99.4	0.3
=118	AlgeriaDZANorthern Africa	13.3	25.7	100.0	0.8
=118	GabonGABMiddle Africa	13.3	12.1	100.0	0.0
=118	JapanJPNEastern Asia	13.3	12.9	100.0	0.0
=118	LatviaLVANorthern Europe	13.3	10.8	100.0	0.0
=122	KazakhstanKAZCentral Asia	13.2	11.4	99.5	0.5
=122	PortugalPRTSouthern Europe	13.2	10.7	99.6	0.0
124	RussiaRUSEastern Europe	13.1	7.9	97.5	0.6
=125	DenmarkDNKNorthern Europe	12.9	12.3	100.0	0.0
=125	United KingdomGBRNorthern Europe	12.9	9.8	99.9	0.0
=125	United StatesUSANorthern America	12.9	7.5	98.9	0.0
128	Sri LankaLKASouthern Asia	12.8	12.9	100.0	0.0
129	KyrgyzstanKGZCentral Asia	12.6	9.2	98.0	0.0
=130	AngolaAGOMiddle Africa	12.4	12.2	100.0	0.0
=130	ColombiaCOLSouth America	12.4	9.6	99.4	0.0
=130	MaltaMLTSouthern Europe	12.4	12.3	100.0	0.0
133	BarbadosBRBCaribbean	12.3	13.0	100.0	0.0
134	LiechtensteinLIEWestern Europe	12.2	11.6	100.0	0.0
=135	MalaysiaMYSSouth-eastern Asia	11.8	8.8	99.6	0.0
=135	PanamaPANCentral America	11.8	11.2	100.0	0.0
=135	VenezuelaVENSouth America	11.8	8.8	100.0	0.0
=138	MonacoMCOWestern Europe	11.7	11.5	100.0	0.0
=138	SpainESPSouthern Europe	11.7	9.3	100.0	0.0
=140	Dominican RepublicDOMCaribbean	11.3	8.5	100.0	0.0
=140	JamaicaJAMCaribbean	11.3	10.4	100.0	0.0
142	PeruPERSouth America	11.1	8.8	99.9	0.1
=143	ArgentinaARGSouth America	11.0	9.5	99.3	0.6
=143	CubaCUBCaribbean	11.0	9.4	100.0	0.0
=145	BelizeBLZCentral America	10.9	11.6	100.0	0.0
=145	GibraltarGIBSouthern Europe	10.9	11.1	100.0	0.0
=147	EcuadorECUSouth America	10.7	9.7	99.9	0.0
=147	EthiopiaETHEastern Africa	10.7	10.5	99.2	0.0
=147	TanzaniaTZAEastern Africa	10.7	9.5	99.9	0.0
150	BotswanaBWASouthern Africa	10.6	12.0	100.0	0.0
151	BrazilBRASouth America	10.4	10.3	94.1	0.0
=152	HaitiHTICaribbean	10.3	9.2	100.0	0.0
=152	IndonesiaIDNSouth-eastern Asia	10.3	7.0	97.1	0.2
=152	Saint LuciaLCACaribbean	10.3	10.4	100.0	0.0
155	KenyaKENEastern Africa	10.2	7.3	99.4	0.0
=156	SurinameSURSouth America	10.0	7.4	100.0	0.0
=156	ZimbabweZWEEastern Africa	10.0	9.2	100.0	0.0
158	IrelandIRLNorthern Europe	9.7	9.0	100.0	0.0
=159	GrenadaGRDCaribbean	9.6	9.4	100.0	0.0
=159	NamibiaNAMSouthern Africa	9.6	7.4	99.7	0.0
=161	EstoniaESTNorthern Europe	9.5	8.4	100.0	0.0
=161	UruguayURYSouth America	9.5	8.1	100.0	0.0
=161	ZambiaZMBEastern Africa	9.5	9.6	100.0	0.0
164	Trinidad and TobagoTTOCaribbean	9.3	8.9	100.0	0.0
165	MalawiMWIEastern Africa	9.2	8.7	100.0	0.0
166	CanadaCANNorthern America	9.1	4.3	96.8	0.0
167	Antigua and BarbudaATGCaribbean	8.8	8.1	99.7	0.0
168	MozambiqueMOZEastern Africa	8.7	8.6	98.3	0.0
=169	BahamasBHSCaribbean	8.6	7.7	100.0	0.0
=169	British Virgin IslandsVGBCaribbean	8.6	7.2	100.0	0.0
171	SomaliaSOMEastern Africa	8.5	10.7	94.2	0.0
172	CuraçaoCUWCaribbean	8.4	8.8	100.0	0.0
=173	Cayman IslandsCYMCaribbean	8.2	8.3	100.0	0.0
=173	Sint MaartenSXMCaribbean	8.2	7.9	100.0	0.0
=175	DominicaDMACaribbean	8.1	8.0	100.0	0.0
=175	Isle of ManIMNNorthern Europe	8.1	7.3	100.0	0.0
=175	Saint Kitts and NevisKNACaribbean	8.1	8.1	99.5	0.0
178	SwedenSWENorthern Europe	8.0	4.3	88.1	0.0
179	Puerto RicoPRICaribbean	7.7	7.4	100.0	0.0
180	United States Virgin IslandsVIRCaribbean	7.6	6.9	93.1	0.0
=181	GuyanaGUYSouth America	7.4	6.2	99.9	0.0
=181	Saint MartinMAFCaribbean	7.4	7.1	99.4	0.0
183	ArubaABWCaribbean	7.3	7.1	80.7	0.0
184	AnguillaAIACaribbean	7.2	7.0	99.6	0.0
185	Saint Vincent and the GrenadinesVCTCaribbean	7.0	6.9	99.4	0.0
186	AndorraANDSouthern Europe	6.9	6.1	92.7	0.0
187	MaldivesMDVSouthern Asia	6.8	6.8	82.4	0.0
188	NorwayNORNorthern Europe	6.6	3.7	68.6	0.0
189	BermudaBMUNorthern America	6.4	6.4	98.8	0.0
190	FinlandFINNorthern Europe	6.3	4.4	81.9	0.0
191	MontserratMSRCaribbean	6.2	7.2	100.0	0.0
192	Timor-LesteTLSSouth-eastern Asia	6.1	6.1	95.4	0.0
193	New ZealandNZLAustralia and New Zealand	6.0	5.0	92.9	0.0
194	Turks and Caicos IslandsTCACaribbean	5.8	5.7	95.8	0.0
195	AustraliaAUSAustralia and New Zealand	5.2	4.2	52.9	0.0
196	MadagascarMDGEastern Africa	4.9	4.3	33.9	0.0
197	FijiFJIMelanesia	4.7	4.2	26.2	0.0
198	ComorosCOMEastern Africa	4.1	4.1	1.0	0.0
199	IcelandISLNorthern Europe	3.7	3.1	4.5	0.0
=200	Faroe IslandsFRONorthern Europe	3.4	3.3	0.2	0.0
=200	Papua New GuineaPNGMelanesia	3.4	3.1	0.0	0.0
202	SeychellesSYCEastern Africa	3.1	3.2	0.0	0.0
=203	New CaledoniaNCLMelanesia	3.0	2.8	0.0	0.0
=203	TongaTONPolynesia	3.0	2.9	0.0	0.0
205	VanuatuVUTMelanesia	2.9	2.8	0.0	0.0
=206	SamoaWSMPolynesia	2.6	2.5	0.0	0.0
=206	Solomon IslandsSLBMelanesia	2.6	2.6	0.0	0.0
208	American SamoaASMPolynesia	2.5	2.3	0.0	0.0
=209	KiribatiKIRMicronesia	2.2	2.1	0.0	0.0
=209	PalauPLWMicronesia	2.2	2.2	0.0	0.0
=211	NauruNRUMicronesia	2.1	2.1	0.0	0.0
=211	NiueNIUPolynesia	2.1	2.1	0.0	0.0
213	TuvaluTUVPolynesia	2.0	1.9	0.0	0.0
=214	MicronesiaFSMMicronesia	1.9	1.9	0.0	0.0
=214	Northern Mariana IslandsMNPMicronesia	1.9	2.0	0.0	0.0
216	GuamGUMMicronesia	1.8	1.7	0.0	0.0
=217	Cook IslandsCOKPolynesia	1.7	1.7	0.0	0.0
=217	Marshall IslandsMHLMicronesia	1.7	0.6	0.0	0.0
=219	French PolynesiaPYFPolynesia	1.5	-2.4	0.0	0.0
=219	GreenlandGRLNorthern America	1.5	1.2	0.0	0.0

02In 1998

At either end

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

Highest

1Qatar62.8
2Niger50.3
3Mauritania48.9
4Nigeria47.1
5Senegal44.9

Lowest

219French Polynesiashared1.5
219Greenlandshared1.5
217Marshall Islandsshared1.7
217Cook Islandsshared1.7
216Guam1.8

A higher value is the worse result. The middle country reads 14.1. “Shared” marks a value another country also holds.

Each measure’s ends

PM2.5, geographic mean (µg/m³)
HighestQatar67.8
LowestFrench Polynesia-2.4
Middle country: 12.7
People at or above 5 µg/m³, the WHO guideline (%)
Highest149 share it
Lowest20 share it
Middle country: 100.0
People at or above 35 µg/m³, the WHO's first interim target (%)
HighestQatar100.0
Lowest150 share it
Middle country: 0.0

03Caveats

Read before you use

What this edition’s numbers are and are not, worked out from the file itself.

The site’s method

153 distinct values among 220
Values are stored exactly as published, to 1 decimal. 4 countries share 19.7. Countries sharing a value share a position too.
The position is ours
Atmospheric Composition Analysis Group publishes values only. The order here sorts the published values, and the page says so wherever it prints one.
Which end is better
A higher value is the worse result.
Nothing missing
Every one of the 220 countries has every column.

04The files

Download and cite

The table as a file, digit for digit, what this site changed, and a citation for this edition.

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-1998-nations-inquiry.csv
↗
The publisher’s original
Atmospheric Composition Analysis Group’s own file, on its own site.
e673hbmsl75gechxnrjotenel6k4hdfc

What this site changed: Reshaped into one row per country: regional and income-group totals are left out, only the columns listed are kept, each row gets its ISO 3166 code, and some country names are brought to one spelling. No value is recalculated, rescaled or rounded.

Licence: CC BY 4.0. Share, adapt and use commercially. Credit the publisher and say if you changed anything.

Cite this edition

Atmospheric Composition Analysis Group, Washington University in St. Louis (1998). PM2.5 Air Pollution Exposure, 1998 [data set], describing 1998. As held by Nations Inquiry, https://nationsinquiry.com/datasets/pm25-exposure/1998

0526 held

Other years

‹ The year before
This is the first year held here.
The year after ›
PM2.5 Air Pollution Exposure, 1999
220 countries
All of them
PM2.5 Air Pollution Exposure: every year
26 held, with the data dictionary, coverage and licence.
How it has moved, charted by country

06Questions