Live cleanest global major city ranking
This hourly major city ranking compares 124 global cities with measured PM2.5 data. Click to learn more.

2025

World Air Quality Report

newsroom

AQI⁺ US legend

0-50Good

51-100Moderate

101-150Unhealthy for sensitive groups

151-200Unhealthy

201-300Very unhealthy

301+Hazardous

Rank	Major city, country/region	AQI⁺ US	Followers
1	Auckland, New Zealand	9	241.5K followers
2	Medan, Indonesia	11	1.4M followers
3	San Francisco, USA	15	1M followers
4	Kuching, Malaysia	16	76.8K followers
5	Manila, Philippines	17	352.8K followers
6	Lisbon, Portugal	17	195.5K followers
7	Montreal, Canada	17	324.1K followers
8	Copenhagen, Denmark	18	198.8K followers
9	Canberra, Australia	18	474.4K followers
10	Almaty, Kazakhstan	18	811.6K followers
11	Portland, USA	18	379.3K followers
12	Warsaw, Poland	19	794.6K followers
13	Johannesburg, South Africa	19	108.4K followers
14	Stockholm, Sweden	19	240.7K followers
15	Seattle, USA	19	716.9K followers
16	Kraków, Poland	20	594.3K followers
17	Toronto, Canada	20	1M followers
18	Bern, Switzerland	21	210.2K followers
19	Vancouver, Canada	21	518.3K followers
20	Minneapolis, USA	22	84.4K followers
21	Detroit, USA	23	70.7K followers
22	Dublin, Ireland	24	118.5K followers
23	Chicago, USA	24	200.6K followers
24	Amsterdam, Netherlands	26	546.4K followers
25	Bishkek, Kyrgyzstan	27	595.9K followers
26	Chiang Mai, Thailand	27	15.9M followers
27	Helsinki, Finland	28	216.5K followers
28	Lyon, France	28	688.4K followers
29	Taipei, Taiwan	28	1.5M followers
30	Zagreb, Croatia	28	262.6K followers
31	Barcelona, Spain	28	604.3K followers
32	Denver, USA	28	1.9M followers
33	Krasnoyarsk, Russia	31	155K followers
34	Sydney, Australia	31	1.8M followers
35	Moscow, Russia	32	1.2M followers
36	Sofia, Bulgaria	32	266.3K followers
37	Salt Lake City, USA	32	237.5K followers
38	London, United Kingdom	33	1.2M followers
39	Tashkent, Uzbekistan	33	1.5M followers
40	Tokyo, Japan	33	1.7M followers
41	Oslo, Norway	37	184.9K followers
42	Ljubljana, Slovenia	37	200.1K followers
43	Madrid, Spain	37	742.3K followers
44	Nice, France	39	589.5K followers
45	Bratislava, Slovakia	39	84.9K followers
46	Doha, Qatar	39	320.3K followers
47	Sao Paulo, Brazil	39	176K followers
48	Bucharest, Romania	39	202.6K followers
49	Berlin, Germany	39	820K followers
50	Washington D.C., USA	39	166.1K followers
51	Kobe, Japan	39	66.8K followers
52	Birmingham, United Kingdom	40	361.4K followers
53	Bogota, Colombia	41	140.7K followers
54	Munich, Germany	41	681.8K followers
55	Wrocław, Poland	42	438.8K followers
56	Seoul, South Korea	42	17.2M followers
57	Melbourne, Australia	43	826.9K followers
58	Algiers, Algeria	44	49.2K followers
59	Manama, Bahrain	44	77K followers
60	Accra, Ghana	44	26K followers
61	Budapest, Hungary	44	154.7K followers
62	Kyoto, Japan	44	260.1K followers
63	Incheon, South Korea	44	189K followers
64	Busan, South Korea	44	1.1M followers
65	Houston, USA	44	127.8K followers
66	Prague, Czech Republic	45	279.3K followers
67	Skopje, North Macedonia	46	243.8K followers
68	Brussels, Belgium	47	341.4K followers
69	Vienna, Austria	50	468.9K followers
70	Dubai, United Arab Emirates	50	1.1M followers
71	Osaka, Japan	53	637.8K followers
72	Kyiv, Ukraine	54	633.6K followers
73	Pristina, Kosovo	55	109.1K followers
74	Rome, Italy	55	405.2K followers
75	Sarajevo, Bosnia Herzegovina	55	765K followers
76	Kuala Lumpur, Malaysia	56	1M followers
77	Athens, Greece	56	178K followers
78	Belgrade, Serbia	56	1.3M followers
79	Yangon, Myanmar	58	221.5K followers
80	Addis Ababa, Ethiopia	58	35K followers
81	Ho Chi Minh City, Vietnam	58	2.8M followers
82	Milan, Italy	59	494.4K followers
83	Nairobi, Kenya	59	76.2K followers
84	Shanghai, China	60	3.4M followers
85	Santiago, Chile	61	169.4K followers
86	Singapore, Singapore	62	1.3M followers
87	Dakar, Senegal	64	48.6K followers
88	Paris, France	64	14.9M followers
89	Lima, Peru	65	64.9K followers
90	Beijing, China	66	17.9M followers
91	Hong Kong, Hong Kong SAR	67	1.2M followers
92	Kuwait City, Kuwait	68	166.7K followers
93	Bangkok, Thailand	68	16.9M followers
94	Kabul, Afghanistan	69	60.5K followers
95	Riyadh, Saudi Arabia	71	380K followers
96	Tel Aviv-Yafo, Israel	71	228.3K followers
97	Phnom Penh, Cambodia	73	1M followers
98	Kolkata, India	73	1.6M followers
99	Hangzhou, China	73	759.6K followers
100	Istanbul, Turkey	74	540.5K followers
101	Kaohsiung, Taiwan	75	1.1M followers
102	Baku, Azerbaijan	77	83K followers
103	Mumbai, India	79	1.8M followers
104	Cairo, Egypt	80	265.7K followers
105	Karachi, Pakistan	80	301K followers
106	Ulaanbaatar, Mongolia	81	128.7K followers
107	Kathmandu, Nepal	83	436.5K followers
108	Los Angeles, USA	83	15.8M followers
109	Jerusalem, Israel	86	96.7K followers
110	Shenzhen, China	86	820.7K followers
111	New York, USA	86	2.5M followers
112	Baghdad, Iraq	90	280.2K followers
113	Chengdu, China	97	2.4M followers
114	Mexico City, Mexico	100	601.6K followers
115	Guangzhou, China	105	2M followers
116	Wuhan, China	110	620.9K followers
117	Chongqing, China	111	491.2K followers
118	Kampala, Uganda	112	38.4K followers
119	Kinshasa, Democratic Republic of the Congo	134	16.9K followers
120	Hanoi, Vietnam	136	3.5M followers
121	Delhi, India	142	3.3M followers
122	Dhaka, Bangladesh	152	480.7K followers
123	Jakarta, Indonesia	155	2.1M followers
124	Lahore, Pakistan	245	1.1M followers