SmogRank / History / April 2024

Most polluted cities, April 2024

1,941 cities ranked by their average PM2.5 over the 30 days. A city needs measurements on 70% of the days to be ranked.

#	City	µg/m³
1	N'Djamena N’Djaména, Chad	184.1
2	Kathmandu low-cost sensors Bagmati Province, Nepal	104.7
3	Dhaka low-cost sensors Dhaka Division, Bangladesh	80.0
4	Tha Bo Nong Khai, Thailand	68.9
5	Kolkata West Bengal, India	57.6
6	Beijing Beijing, China	56.1
7	Delhi Delhi, India	55.9
8	Shenyang Liaoning, China	51.2
9	Baghdad Baghdad, Iraq	46.2
10	Hyderabad Telangana, India	46.0
10	Hanoi Hanoi, Vietnam	46.0
12	Santa Anita - Los Ficus Lima region, Peru	44.3
13	Cairo Cairo, Egypt	42.4
14	Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan	41.5
15	Jakarta Jakarta, Indonesia	39.2
16	Yangon Yangon, Myanmar	36.8
17	Ciudad Juárez Chihuahua, Mexico	34.5
18	Kigali Kigali, Rwanda	32.5
19	Celaya Guanajuato, Mexico	31.6
20	Karachi low-cost sensors Sindh, Pakistan	31.1
21	Guatemala City Guatemala, Guatemala	29.1
22	Mumbai Maharashtra, India	29.0
23	Rabinal Baja Verapaz, Guatemala	28.7
24	Şabāḩ as Sālim Mubārak al Kabīr, Kuwait	28.0
25	Sarajevo Federation of B&H, Bosnia and Herzegovina	27.0
26	Shanghai Shanghai, China	26.8
27	Jeddah Mecca Region, Saudi Arabia	26.5
28	Islamabad low-cost sensors Islamabad, Pakistan	26.4
29	Abuja low-cost sensors FCT, Nigeria	25.5
30	Salamanca Guanajuato, Mexico	25.4
31	Villa Poeta José Gálvez Barrenechea Lima region, Peru	25.1
32	Addis Ababa Addis Ababa, Ethiopia	24.3
33	Antananarivo Analamanga, Madagascar	23.6
33	Zhushan Taiwan, Taiwan	23.6
35	Wan Chai Wan Chai, Hong Kong	22.6
36	Astana Astana, Kazakhstan	22.5
36	Ban Khlong Prawet low-cost sensors Bangkok, Thailand	22.5
38	Novi Pazar Central Serbia, Serbia	22.0
39	Guangzhou Guangdong, China	21.8
40	Shulin Taipei, Taiwan	21.5
40	Ulan Bator Ulaanbaatar, Mongolia	21.5
42	Działdowo Warmia-Masuria, Poland	21.3
42	Erlin Taiwan, Taiwan	21.3
44	Baku Baki, Azerbaijan	21.2
45	Taibao Taiwan, Taiwan	21.0
45	Lima Lima Province, Peru	21.0
47	Jincheng Fukien, Taiwan	20.7
48	Salor Tashkent Region, Uzbekistan	20.6
48	Yongkang Taiwan, Taiwan	20.6
50	Puli Taiwan, Taiwan	20.5
51	Ćuprija Central Serbia, Serbia	20.4
51	Douliu Taiwan, Taiwan	20.4
51	Yuanlin Taiwan, Taiwan	20.4
54	Erlun Taiwan, Taiwan	20.2
55	Beigang Taiwan, Taiwan	20.0
56	Hsinchu Taiwan, Taiwan	19.8
57	Ashgabat Ashgabat, Turkmenistan	19.7
58	Taoyuan Taiwan, Taiwan	19.6
58	Shikokuchūō Ehime, Japan	19.6
60	Taichung Taiwan, Taiwan	19.5
60	Zhubei Taiwan, Taiwan	19.5
60	Chiayi City Taiwan, Taiwan	19.5
60	Saijō Ehime, Japan	19.5
64	Irapuato Guanajuato, Mexico	19.3
65	Taipei Taiwan, Taiwan	19.2
66	Fengshan Takao, Taiwan	19.0
67	Dushanbe Dushanbe, Tajikistan	18.9
68	Nantou Taiwan, Taiwan	18.7
68	León de los Aldama Guanajuato, Mexico	18.7
70	San Francisco De Borja Lima region, Peru	18.6
71	Toufen Taiwan, Taiwan	18.5
71	Tainan Taiwan, Taiwan	18.5
71	Valjevo Central Serbia, Serbia	18.5
74	Miaoli Taiwan, Taiwan	18.4
74	Niihama Ehime, Japan	18.4
74	Benevento Campania, Italy	18.4
77	Neili Taiwan, Taiwan	18.3
77	Zhudong Taiwan, Taiwan	18.3
77	Nakatsu Oita, Japan	18.3
80	Mission Texas, United States	18.2
80	New Taipei City Taipei, Taiwan	18.2
82	Daxi Taiwan, Taiwan	18.1
82	Tuen Mun Tuen Mun, Hong Kong	18.1
82	Changhua Taiwan, Taiwan	18.1
82	Belmopan Cayo District, Belize	18.1
86	Xinying Taiwan, Taiwan	18.0
86	Kaohsiung Takao, Taiwan	18.0
88	Xizhi Taipei, Taiwan	17.9
89	Xizhou Taiwan, Taiwan	17.6
89	Mong Kok Yau Tsim Mong District, Hong Kong	17.6
91	Edinburg Texas, United States	17.5
92	Athens Attica, Greece	17.4
93	Fukuyama Hiroshima, Japan	17.1
93	Užice Central Serbia, Serbia	17.1
95	Gostivar Gostivar, North Macedonia	17.0
95	Chennai Tamil Nadu, India	17.0
95	Maebaru-chūō Fukuoka, Japan	17.0
98	Buzi Taiwan, Taiwan	16.8
98	Kourou Guyane, French Guiana	16.8
100	Kasaoka Okayama, Japan	16.7
101	Chaozhou Taiwan, Taiwan	16.6
102	Katowice Silesia, Poland	16.5
102	San Miguel de Allende Guanajuato, Mexico	16.5
104	Bielsko-Biala Silesia, Poland	16.4
105	Kan’onjichō Kagawa, Japan	16.3
105	Ponca City Oklahoma, United States	16.3
107	Colombo Western Province, Sri Lanka	16.2
107	Kuala Lumpur low-cost sensors Kuala Lumpur, Malaysia	16.2
107	Östersund Jämtland, Sweden	16.2
110	Włocławek Kujawsko-Pomorskie, Poland	16.0
111	Smederevo Central Serbia, Serbia	15.9
111	Ōmuta Fukuoka, Japan	15.9
111	Cártama Andalusia, Spain	15.9
114	Hualien City Taiwan, Taiwan	15.8
114	Jastrzębie Zdrój Silesia, Poland	15.8
114	Alessandria Piedmont, Italy	15.8
117	Toki Gifu, Japan	15.7
117	Hita Oita, Japan	15.7
119	Fukushima Fukushima, Japan	15.6
119	Racibórz Silesia, Poland	15.6
119	Abasolo Guanajuato, Mexico	15.6
122	Yokkaichi Mie, Japan	15.4
122	Kure Hiroshima, Japan	15.4
122	Yoshioka Miyagi, Japan	15.4
122	Laredo Texas, United States	15.4
122	Chikugo Fukuoka, Japan	15.4
127	Tsurusaki Oita, Japan	15.3
127	Tamano Okayama, Japan	15.3
127	Imabari Ehime, Japan	15.3
130	Kurashiki Okayama, Japan	15.2
130	Igusa Saitama, Japan	15.2
130	Fukuoka Fukuoka, Japan	15.2
133	Tetovo Tetovo, North Macedonia	15.1
133	Yorii Saitama, Japan	15.1
133	Iyo Ehime, Japan	15.1
133	Kani Gifu, Japan	15.1
137	Sekimachi Gifu, Japan	15.0
137	Gyōda Saitama, Japan	15.0
139	Pirot Central Serbia, Serbia	14.9
139	Sham Shui Po Sham Shui Po District, Hong Kong	14.9
139	Tanushimarumachi-toyoki Fukuoka, Japan	14.9
139	Tahara Aichi, Japan	14.9
139	Imarichō-kō Saga, Japan	14.9
139	Iruma Saitama, Japan	14.9
139	Koga Fukuoka, Japan	14.9
139	Asakuchi Okayama, Japan	14.9
147	Kodamachō-kodamaminami Saitama, Japan	14.8
147	Kameyama Mie, Japan	14.8
147	Lawrenceville Georgia, United States	14.8
150	Skarżysko-Kamienna Świętokrzyskie, Poland	14.7
150	Łuków Lublin, Poland	14.7
150	Marugame Kagawa, Japan	14.7
150	Kazo Saitama, Japan	14.7
150	Matsuyama Ehime, Japan	14.7
150	Shiroishi Miyagi, Japan	14.7
150	Zgierz Łódź Voivodeship, Poland	14.7
157	Kampala low-cost sensors Central Region, Uganda	14.6
157	Tsuen Wan Tsuen Wan, Hong Kong	14.6
157	Sōja Okayama, Japan	14.6
157	Minato Wakayama, Japan	14.6
157	Sasebo Nagasaki, Japan	14.6
157	Kitakyushu Fukuoka, Japan	14.6
157	Nagai Yamagata, Japan	14.6
157	Acerra Campania, Italy	14.6
157	Corpus Christi Texas, United States	14.6
157	Hashima Gifu, Japan	14.6
157	Sado Niigata, Japan	14.6
168	Miskolc Borsod-Abaúj-Zemplén, Hungary	14.5
168	Pruszków Mazovia, Poland	14.5
168	Zemun Central Serbia, Serbia	14.5
168	Keelung Taiwan, Taiwan	14.5
168	Kwai Chung Kwai Tsing District, Hong Kong	14.5
168	Owariasahi Aichi, Japan	14.5
174	Asprópyrgos Attica, Greece	14.4
174	Lublin Lublin, Poland	14.4
174	Lazarevac Central Serbia, Serbia	14.4
174	Takasaki Gunma, Japan	14.4
174	Ishinomaki Miyagi, Japan	14.4
174	Kutno Łódź Voivodeship, Poland	14.4
174	Tsushima Nagasaki, Japan	14.4
181	Siedlce Mazovia, Poland	14.3
181	Niš Central Serbia, Serbia	14.3
181	Shibata Niigata, Japan	14.3
181	Iwanuma Miyagi, Japan	14.3
181	Bailén Andalusia, Spain	14.3
181	Łask Łódź Voivodeship, Poland	14.3
181	Misato, Saitama Saitama, Japan	14.3
181	Sōma Fukushima, Japan	14.3
189	Radom Mazovia, Poland	14.2
189	Yilan Taiwan, Taiwan	14.2
189	Tai Po Tai Po, Hong Kong	14.2
189	Uozu Toyama, Japan	14.2
189	Suzaka Nagano, Japan	14.2
189	Maspalomas Canary Islands, Spain	14.2
189	Granadilla de Abona Canary Islands, Spain	14.2
196	Zentsujichó Kagawa, Japan	14.1
196	Togitsu Nagasaki, Japan	14.1
196	Sakai-nakajima Gunma, Japan	14.1
196	Menuma Saitama, Japan	14.1
196	Algiers Algiers, Algeria	14.1

Top 200 of 1,941 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