World's Most Polluted Countries in 2019 - PM2.5 Ranking

PM2.5 Legend

Unit: µg/m³

WHO targetGoodModerateUnhealthy for sensitive groupsUnhealthyVery unhealthyHazardous

Rank	Country/Region	2019 AVG	2018 AVG	Population
1	Bangladesh	83.30	97.10	166,368,149
2	Pakistan	65.81	74.27	200,813,818
3	Mongolia	62.00	58.50	3,121,772
4	Afghanistan	58.80	61.80	36,373,176
5	India	58.08	72.54	1,354,051,854
6	Indonesia	51.71	42.01	266,794,980
7	Bahrain	46.80	59.80	1,566,993
8	Nepal	44.46	54.15	29,624,035
9	Uzbekistan	41.20	34.30	32,364,996
10	Iraq	39.60	-	39,127,900
11	China	39.12	41.17	1,415,045,928
12	United Arab Emirates	38.94	49.93	9,541,615
13	Kuwait	38.30	56.00	4,197,128
14	Bosnia Herzegovina	34.58	39.97	3,503,554
15	Vietnam	34.06	32.91	96,491,146
16	Kyrgyzstan	33.20	-	6,389,500
17	North Macedonia	32.40	35.47	2,085,051
18	Syria	32.20	-	17,070,135
19	Democratic Republic of the Congo	32.10	-	5,380,508
20	Myanmar	31.00	-	54,339,766
21	Ghana	30.30	-	30,280,800
22	Uganda	29.10	40.80	44,270,563
23	Armenia	25.51	-	2,957,500
24	Bulgaria	25.49	25.82	7,036,848
25	Sri Lanka	25.20	32.00	20,950,041
26	South Korea	24.78	24.01	51,164,435
27	Iran	24.27	24.97	82,011,735
28	Thailand	24.25	26.44	69,183,173
29	Kazakhstan	23.60	29.80	18,403,860
30	Macao SAR	23.50	21.20	632,000
31	Kosovo	23.50	30.40	1,831,000
32	Serbia	23.30	23.90	8,762,027
33	Peru	23.28	28.00	32,551,815
34	Laos	23.10	-	7,123,205
35	Chile	22.63	24.94	18,197,209
36	Greece	22.50	-	10,724,599
37	Saudi Arabia	22.50	-	33,413,660
38	South Africa	21.56	-	58,775,022
39	Nigeria	21.40	44.84	195,875,237
40	Algeria	21.20	-	34,080,030
41	Cambodia	21.10	20.10	16,245,729
42	Israel	20.83	18.60	8,452,841
43	Turkey	20.62	21.90	81,916,871
44	Hong Kong SAR	20.30	20.20	7,428,887
45	Guatemala	20.20	-	14,901,286
46	Ethiopia	20.10	27.10	107,534,882
47	Georgia	20.10	-	3,723,464
48	Mexico	20.02	20.29	130,759,074
49	Cyprus	19.72	17.58	1,189,085
50	Malaysia	19.36	-	32,700,760
51	Croatia	19.09	22.18	4,164,783
52	Singapore	19.00	14.80	5,930,000
53	Poland	18.67	22.39	38,104,832
54	Romania	18.32	18.65	19,580,634
55	Jordan	18.30	-	10,622,608
56	Egypt	18.00	-	97,147,368
57	Philippines	17.63	14.62	106,512,074
58	Taiwan	17.16	18.54	23,694,089
59	Italy	17.09	14.95	59,290,969
60	Ukraine	16.60	14.00	44,009,214
61	Slovakia	16.10	18.50	5,449,816
62	Angola	15.90	-	31,127,674
63	Brazil	15.77	16.29	210,867,954
64	Colombia	14.61	13.90	49,464,683
65	Argentina	14.60	-	44,938,700
66	Hungary	14.57	16.81	9,688,847
67	Lithuania	14.49	17.48	2,876,475
68	Czech Republic	14.45	20.18	10,625,250
69	Latvia	13.30	-	1,906,800
70	Belgium	12.52	13.52	11,498,519
71	France	12.34	13.16	65,233,271
72	Austria	12.17	15.01	8,751,820
73	Japan	11.36	12.00	127,185,332
74	Germany	11.01	13.01	82,293,457
75	Netherlands	10.91	11.72	17,084,459
76	Switzerland	10.89	11.63	8,544,034
77	Ireland	10.60	9.50	4,803,748
78	United Kingdom	10.53	10.83	66,573,504
79	Costa Rica	10.40	-	5,058,007
80	Puerto Rico	10.21	13.73	3,659,007
81	Russia	9.85	11.42	143,964,709
82	Spain	9.74	10.34	46,397,452
83	Luxembourg	9.60	11.15	590,321
84	Denmark	9.60	-	5,822,763
85	Malta	9.40	11.00	432,089
86	Portugal	9.26	9.37	10,291,196
87	USA	9.04	9.05	326,766,748
88	Ecuador	8.60	-	17,431,712
89	Australia	8.00	6.82	24,772,247
90	Canada	7.72	7.91	36,953,765
91	New Zealand	7.52	7.72	4,749,598
92	Norway	6.88	7.61	5,353,363
93	Sweden	6.63	7.37	9,982,709
94	Estonia	6.15	7.20	1,306,788
95	Finland	5.63	6.57	5,542,517
96	Iceland	5.55	5.05	337,780
97	U.S. Virgin Islands	3.53	-	104,578
98	Bahamas	3.30	-	385,340

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World's most polluted countries 2019 (PM2.5)

The most polluted countries according to data aggregated from over 60,000 data points.

2019

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