SmogRank / History / week of April 1, 2024

Most polluted cities, week of April 1, 2024

1,944 cities ranked by their average PM2.5 over the 7 days. A city needs measurements on 70% of the days to be ranked.

#	City	µg/m³
1	N'Djamena N’Djaména, Chad	205.8
2	Chiang Mai low-cost sensors Chiang Mai, Thailand	143.4
3	Tha Bo Nong Khai, Thailand	109.0
4	Kathmandu low-cost sensors Bagmati Province, Nepal	96.7
5	Lahore low-cost sensors Punjab, Pakistan	72.3
6	Dhaka low-cost sensors Dhaka Division, Bangladesh	70.9
7	Shenyang Liaoning, China	55.5
8	Kolkata West Bengal, India	54.6
9	Beijing Beijing, China	52.3
10	Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan	48.9
11	Hyderabad Telangana, India	48.8
12	Cairo Cairo, Egypt	47.6
13	Hanoi Hanoi, Vietnam	45.2
14	Baghdad Baghdad, Iraq	41.6
15	Celaya Guanajuato, Mexico	38.8
16	Karachi low-cost sensors Sindh, Pakistan	38.3
17	Astana Astana, Kazakhstan	37.7
18	Mumbai Maharashtra, India	34.9
19	Rabinal Baja Verapaz, Guatemala	34.5
20	Islamabad low-cost sensors Islamabad, Pakistan	34.4
21	Działdowo Warmia-Masuria, Poland	34.2
22	Kigali Kigali, Rwanda	34.0
23	Bangkok low-cost sensors Bangkok, Thailand	33.8
24	Salamanca Guanajuato, Mexico	29.0
25	Jeddah Mecca Region, Saudi Arabia	28.1
26	Shanghai Shanghai, China	27.8
27	Yangon Yangon, Myanmar	26.6
28	Ponca City Oklahoma, United States	26.5
29	Wan Chai Wan Chai, Hong Kong	25.9
29	Sarajevo Federation of B&H, Bosnia and Herzegovina	25.9
31	Şabāḩ as Sālim Mubārak al Kabīr, Kuwait	25.6
32	Salor Tashkent Region, Uzbekistan	25.4
32	Victoria de Durango Durango, Mexico	25.4
34	Zhushan Taiwan, Taiwan	24.9
35	Ciudad Juárez Chihuahua, Mexico	24.7
36	Addis Ababa Addis Ababa, Ethiopia	23.9
36	Santa Anita - Los Ficus Lima region, Peru	23.9
38	Novi Pazar Central Serbia, Serbia	22.5
38	Yongkang Taiwan, Taiwan	22.5
38	Tuen Mun Tuen Mun, Hong Kong	22.5
41	Ashgabat Ashgabat, Turkmenistan	22.4
41	Ban Khlong Prawet low-cost sensors Bangkok, Thailand	22.4
41	Mong Kok Yau Tsim Mong District, Hong Kong	22.4
44	Kuala Lumpur low-cost sensors Kuala Lumpur, Malaysia	22.0
45	Jincheng Fukien, Taiwan	21.9
46	Taichung Taiwan, Taiwan	21.8
46	Erlin Taiwan, Taiwan	21.8
48	Chiayi City Taiwan, Taiwan	21.7
49	Hsinchu Taiwan, Taiwan	21.4
49	Belmopan Cayo District, Belize	21.4
51	Douliu Taiwan, Taiwan	21.3
51	Taibao Taiwan, Taiwan	21.3
51	Tainan Taiwan, Taiwan	21.3
54	Dushanbe Dushanbe, Tajikistan	21.1
54	Yuanlin Taiwan, Taiwan	21.1
54	Guangzhou Guangdong, China	21.1
54	Wichita Kansas, United States	21.1
58	Shulin Taipei, Taiwan	21.0
58	Bailén Andalusia, Spain	21.0
60	Kaohsiung Takao, Taiwan	20.9
61	Puli Taiwan, Taiwan	20.8
62	Erlun Taiwan, Taiwan	20.6
63	Beigang Taiwan, Taiwan	20.5
63	Zhubei Taiwan, Taiwan	20.5
65	Athens Attica, Greece	20.4
65	Fengshan Takao, Taiwan	20.4
67	Toufen Taiwan, Taiwan	20.0
68	Nantou Taiwan, Taiwan	19.9
69	Miskolc Borsod-Abaúj-Zemplén, Hungary	19.7
69	Miaoli Taiwan, Taiwan	19.7
71	Baku Baki, Azerbaijan	19.6
72	Irapuato Guanajuato, Mexico	19.5
73	Jaén Andalusia, Spain	19.4
74	Cuenca Castille-La Mancha, Spain	19.2
75	Changhua Taiwan, Taiwan	19.1
76	Sham Shui Po Sham Shui Po District, Hong Kong	19.0
77	Tsuen Wan Tsuen Wan, Hong Kong	18.8
78	Antananarivo Analamanga, Madagascar	18.7
78	Silao de la Victoria Guanajuato, Mexico	18.7
80	Gostivar Gostivar, North Macedonia	18.6
80	Taoyuan Taiwan, Taiwan	18.6
82	Grajewo Podlasie, Poland	18.5
82	San Luis de la Paz Guanajuato, Mexico	18.5
84	San Tung Chung Hang Islands, Hong Kong	18.4
84	Saijō Ehime, Japan	18.4
86	Taipei Taiwan, Taiwan	18.3
86	Xinying Taiwan, Taiwan	18.3
86	Zhudong Taiwan, Taiwan	18.3
86	Chaozhou Taiwan, Taiwan	18.3
90	Neili Taiwan, Taiwan	18.2
91	Xizhou Taiwan, Taiwan	18.1
92	Buzi Taiwan, Taiwan	17.9
93	Thessaloníki Central Macedonia, Greece	17.8
93	Ćuprija Central Serbia, Serbia	17.8
93	Ourense Galicia, Spain	17.8
96	Kwai Chung Kwai Tsing District, Hong Kong	17.7
96	New Taipei City Taipei, Taiwan	17.7
98	Lublin Lublin, Poland	17.6
99	Shikokuchūō Ehime, Japan	17.5
100	Pruszków Mazovia, Poland	17.4
100	Daxi Taiwan, Taiwan	17.4
100	Włocławek Kujawsko-Pomorskie, Poland	17.4
100	Abasolo Guanajuato, Mexico	17.4
104	Siedlce Mazovia, Poland	17.2
104	Przemyśl Subcarpathia, Poland	17.2
106	Beni Enzar Oriental, Morocco	17.1
106	Esztergom Komárom-Esztergom, Hungary	17.1
108	Rēzekne Rēzekne, Latvia	16.9
108	Łuków Lublin, Poland	16.9
108	Fukuyama Hiroshima, Japan	16.9
111	Asprópyrgos Attica, Greece	16.8
111	Tin Shui Wai Yuen Long, Hong Kong	16.8
113	Kasaoka Okayama, Japan	16.7
113	Acerra Campania, Italy	16.7
115	Hualien City Taiwan, Taiwan	16.6
115	Tai Po Tai Po, Hong Kong	16.6
117	Niihama Ehime, Japan	16.5
118	Tahara Aichi, Japan	16.4
119	Kampala low-cost sensors Central Region, Uganda	16.2
119	Xizhi Taipei, Taiwan	16.2
121	Kutno Łódź Voivodeship, Poland	16.0
121	Mission Texas, United States	16.0
123	Mielec Subcarpathia, Poland	15.9
123	Gdynia Pomerania, Poland	15.9
123	Užice Central Serbia, Serbia	15.9
126	Legionowo Mazovia, Poland	15.8
126	Misato, Saitama Saitama, Japan	15.8
128	Ishinomaki Miyagi, Japan	15.7
128	Villa Poeta José Gálvez Barrenechea Lima region, Peru	15.7
128	San Miguel de Allende Guanajuato, Mexico	15.7
131	Aberdeen Southern District, Hong Kong	15.6
131	Ōmuta Fukuoka, Japan	15.6
131	Owariasahi Aichi, Japan	15.6
134	Maebaru-chūō Fukuoka, Japan	15.5
134	Chikugo Fukuoka, Japan	15.5
136	Liepāja Liepaja, Latvia	15.4
136	Nakatsu Oita, Japan	15.4
136	Algiers Algiers, Algeria	15.4
136	Ciudad Real Castille-La Mancha, Spain	15.4
140	Otwock Mazovia, Poland	15.3
140	La Línea de la Concepción Andalusia, Spain	15.3
140	Banja Luka Srpska, Bosnia and Herzegovina	15.3
140	Asakuchi Okayama, Japan	15.3
144	Acharnés Attica, Greece	15.2
144	Radom Mazovia, Poland	15.2
144	Puertollano Castille-La Mancha, Spain	15.2
144	Bielsko-Biala Silesia, Poland	15.2
148	Zamość Lublin, Poland	15.1
148	Tsurusaki Oita, Japan	15.1
148	Kan’onjichō Kagawa, Japan	15.1
148	Veszprém Veszprém, Hungary	15.1
148	Capannori Tuscany, Italy	15.1
153	Konstancin-Jeziorna Mazovia, Poland	15.0
153	Almaty low-cost sensors Almaty, Kazakhstan	15.0
153	Toki Gifu, Japan	15.0
153	Iyo Ehime, Japan	15.0
153	Benevento Campania, Italy	15.0
153	Koga Fukuoka, Japan	15.0
159	Magong Taiwan, Taiwan	14.9
159	Sha Tin Sha Tin, Hong Kong	14.9
159	Kazo Saitama, Japan	14.9
159	Igusa Saitama, Japan	14.9
159	Lębork Pomerania, Poland	14.9
164	Cluj-Napoca Cluj County, Romania	14.8
164	Asaka Saitama, Japan	14.8
166	Skarżysko-Kamienna Świętokrzyskie, Poland	14.7
166	Tanushimarumachi-toyoki Fukuoka, Japan	14.7
166	Kitakyushu Fukuoka, Japan	14.7
166	Fukuoka Fukuoka, Japan	14.7
166	Matsuyama Ehime, Japan	14.7
166	Guanajuato Guanajuato, Mexico	14.7
172	Tetovo Tetovo, North Macedonia	14.6
172	Imarichō-kō Saga, Japan	14.6
172	Havířov Moravian-Silesian Region, Czechia	14.6
172	Salerno Campania, Italy	14.6
176	Yilan Taiwan, Taiwan	14.5
176	Tamano Okayama, Japan	14.5
176	Sōja Okayama, Japan	14.5
176	Gyōda Saitama, Japan	14.5
176	Imabari Ehime, Japan	14.5
176	Victoria Central and Western, Hong Kong	14.5
176	Jenks Oklahoma, United States	14.5
183	Olsztyn Warmia-Masuria, Poland	14.4
183	Augustów Podlasie, Poland	14.4
183	Sau Mau Ping Kwun Tong District, Hong Kong	14.4
183	Dunaújváros Fejér, Hungary	14.4
183	Katowice Silesia, Poland	14.4
183	Gdańsk Pomerania, Poland	14.4
183	Forest Park Georgia, United States	14.4
190	Dej Cluj County, Romania	14.3
190	Ruse Ruse, Bulgaria	14.3
190	Starachowice Świętokrzyskie, Poland	14.3
190	Minato Wakayama, Japan	14.3
190	Hirosaki Aomori, Japan	14.3
190	Aomori Aomori, Japan	14.3
190	Děčín Ústí nad Labem Region, Czechia	14.3
190	Bohumín Moravian-Silesian Region, Czechia	14.3
198	Skopje Grad Skopje, North Macedonia	14.2
198	Colombo Western Province, Sri Lanka	14.2
198	Kure Hiroshima, Japan	14.2

Top 200 of 1,944 shown.

Good 0–9.0Moderate 9.1+Unhealthy for sensitive groups 35.5+Unhealthy 55.5+Very unhealthy 125.5+Hazardous 225.5+No data