Live cleanest global major city ranking
This hourly major city ranking compares 123 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	Chiang Mai, Thailand	6	15.9M followers
2	Bern, Switzerland	11	210.5K followers
3	Rome, Italy	11	406.1K followers
4	Birmingham, United Kingdom	12	361.5K followers
5	Auckland, New Zealand	13	242K followers
6	Sydney, Australia	13	1.8M followers
7	Canberra, Australia	16	475.6K followers
8	Barcelona, Spain	19	604.9K followers
9	Nice, France	20	589.9K followers
10	Seattle, USA	20	718K followers
11	Vancouver, Canada	21	519.2K followers
12	Medan, Indonesia	22	1.4M followers
13	Yangon, Myanmar	22	221.8K followers
14	Dublin, Ireland	22	118.6K followers
15	New York, USA	22	2.5M followers
16	Algiers, Algeria	23	49.2K followers
17	Amsterdam, Netherlands	23	547K followers
18	Toronto, Canada	23	1M followers
19	Zagreb, Croatia	24	262.9K followers
20	Prague, Czech Republic	24	279.6K followers
21	Melbourne, Australia	24	828K followers
22	London, United Kingdom	24	1.2M followers
23	Brussels, Belgium	25	341.8K followers
24	Kuching, Malaysia	25	76.9K followers
25	Detroit, USA	26	70.8K followers
26	Portland, USA	26	380.2K followers
27	Pristina, Kosovo	27	109.3K followers
28	Madrid, Spain	27	743.4K followers
29	Lisbon, Portugal	28	195.9K followers
30	Vienna, Austria	28	469.6K followers
31	Belgrade, Serbia	28	1.3M followers
32	Ljubljana, Slovenia	29	200.3K followers
33	Helsinki, Finland	30	216.8K followers
34	Lyon, France	31	688.9K followers
35	Stockholm, Sweden	31	241.2K followers
36	Houston, USA	31	128K followers
37	Budapest, Hungary	32	155K followers
38	Nairobi, Kenya	33	76.3K followers
39	Bangkok, Thailand	33	16.9M followers
40	Berlin, Germany	34	821.4K followers
41	Ulaanbaatar, Mongolia	34	128.9K followers
42	Minneapolis, USA	34	84.7K followers
43	Paris, France	35	14.9M followers
44	Sarajevo, Bosnia Herzegovina	35	765.6K followers
45	Salt Lake City, USA	35	238.3K followers
46	Bogota, Colombia	36	140.8K followers
47	Oslo, Norway	36	185.1K followers
48	Chicago, USA	36	201.1K followers
49	Bratislava, Slovakia	37	85K followers
50	Taipei, Taiwan	37	1.5M followers
51	Athens, Greece	37	178.3K followers
52	San Francisco, USA	37	1M followers
53	Skopje, North Macedonia	38	244.2K followers
54	Sofia, Bulgaria	38	266.6K followers
55	Washington D.C., USA	38	166.5K followers
56	Krasnoyarsk, Russia	39	155.1K followers
57	Singapore, Singapore	39	1.3M followers
58	Los Angeles, USA	39	15.8M followers
59	Kraków, Poland	41	594.7K followers
60	Munich, Germany	41	682.4K followers
61	Hangzhou, China	42	761.3K followers
62	Kuala Lumpur, Malaysia	43	1M followers
63	Mumbai, India	43	1.8M followers
64	Montreal, Canada	45	324.6K followers
65	Kyiv, Ukraine	46	634.7K followers
66	Denver, USA	46	1.9M followers
67	Almaty, Kazakhstan	48	812.2K followers
68	Wuhan, China	50	622.2K followers
69	Milan, Italy	50	495.1K followers
70	Shenzhen, China	52	823K followers
71	Hong Kong, Hong Kong SAR	52	1.2M followers
72	Warsaw, Poland	53	795.4K followers
73	Wrocław, Poland	53	439K followers
74	Moscow, Russia	53	1.2M followers
75	Bucharest, Romania	53	203K followers
76	Guangzhou, China	53	2M followers
77	Mexico City, Mexico	55	602.4K followers
78	Phnom Penh, Cambodia	55	1M followers
79	Shanghai, China	55	3.4M followers
80	Tashkent, Uzbekistan	55	1.5M followers
81	Kabul, Afghanistan	56	60.6K followers
82	Jerusalem, Israel	58	96.8K followers
83	Doha, Qatar	58	320.6K followers
84	Baghdad, Iraq	60	280.7K followers
85	Dhaka, Bangladesh	62	481.1K followers
86	Kaohsiung, Taiwan	62	1.1M followers
87	Osaka, Japan	62	639.2K followers
88	Kyoto, Japan	64	260.4K followers
89	Incheon, South Korea	64	189.1K followers
90	Kobe, Japan	64	66.8K followers
91	Johannesburg, South Africa	65	108.4K followers
92	Busan, South Korea	65	1.1M followers
93	Kinshasa, Democratic Republic of the Congo	67	17K followers
94	Kolkata, India	67	1.6M followers
95	Istanbul, Turkey	67	541K followers
96	Cairo, Egypt	69	266.1K followers
97	Chengdu, China	69	2.4M followers
98	Lima, Peru	69	65K followers
99	Manama, Bahrain	71	77.2K followers
100	Baku, Azerbaijan	71	83.1K followers
101	Tel Aviv-Yafo, Israel	71	228.6K followers
102	Sao Paulo, Brazil	71	176.4K followers
103	Chongqing, China	71	492K followers
104	Tokyo, Japan	71	1.7M followers
105	Hanoi, Vietnam	72	3.5M followers
106	Seoul, South Korea	73	17.3M followers
107	Karachi, Pakistan	74	301.7K followers
108	Bishkek, Kyrgyzstan	77	596.5K followers
109	Ho Chi Minh City, Vietnam	79	2.8M followers
110	Dubai, United Arab Emirates	79	1.1M followers
111	Accra, Ghana	80	26K followers
112	Beijing, China	82	17.9M followers
113	Kuwait City, Kuwait	88	166.9K followers
114	Riyadh, Saudi Arabia	92	380.5K followers
115	Addis Ababa, Ethiopia	96	35.1K followers
116	Kathmandu, Nepal	107	436.9K followers
117	Dakar, Senegal	110	48.8K followers
118	Kampala, Uganda	123	38.4K followers
119	Santiago, Chile	126	170K followers
120	Manila, Philippines	154	353.3K followers
121	Jakarta, Indonesia	156	2.1M followers
122	Delhi, India	178	3.3M followers
123	Lahore, Pakistan	339	1.1M followers