SmogRank / History / week of April 29, 2024

Most polluted cities, week of April 29, 2024

2,090 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	194.5
2	Kathmandu low-cost sensors Bagmati Province, Nepal	109.5
3	Delhi Delhi, India	95.2
4	Chiang Mai low-cost sensors Chiang Mai, Thailand	89.5
5	Tlaquepaque Jalisco, Mexico	77.8
6	Lahore low-cost sensors Punjab, Pakistan	73.0
7	Santa Anita - Los Ficus Lima region, Peru	65.0
8	Dhaka low-cost sensors Dhaka Division, Bangladesh	64.7
9	Tha Bo Nong Khai, Thailand	53.4
10	Hyderabad Telangana, India	52.9
11	Baghdad Baghdad, Iraq	50.9
12	Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan	45.6
13	Kolkata West Bengal, India	44.8
14	Jakarta Jakarta, Indonesia	43.9
15	Bangkok low-cost sensors Bangkok, Thailand	40.3
16	Cairo Cairo, Egypt	40.1
17	Hanoi Hanoi, Vietnam	38.7
18	Lima Lima Province, Peru	36.5
19	Rabinal Baja Verapaz, Guatemala	35.0
20	Guatemala City Guatemala, Guatemala	34.3
21	Addis Ababa Addis Ababa, Ethiopia	31.4
22	Celaya Guanajuato, Mexico	30.2
23	San Luis de la Paz Guanajuato, Mexico	28.8
24	Ban Khlong Prawet low-cost sensors Bangkok, Thailand	28.2
24	Salamanca Guanajuato, Mexico	28.2
24	Ciudad Juárez Chihuahua, Mexico	28.2
27	Şabāḩ as Sālim Mubārak al Kabīr, Kuwait	27.9
28	Yangon Yangon, Myanmar	27.5
29	Shenyang Liaoning, China	27.1
30	Shanghai Shanghai, China	26.7
31	Mission Texas, United States	26.5
32	Kampala low-cost sensors Central Region, Uganda	25.0
32	León de los Aldama Guanajuato, Mexico	25.0
34	Islamabad low-cost sensors Islamabad, Pakistan	24.8
35	Jacobo Hunter Arequipa, Peru	23.9
36	Laredo Texas, United States	23.4
37	Irapuato Guanajuato, Mexico	23.2
38	Villa Poeta José Gálvez Barrenechea Lima region, Peru	23.0
39	Edinburg Texas, United States	22.9
40	Jeddah Mecca Region, Saudi Arabia	22.6
41	San Clemente Ica, Peru	22.4
42	Sarajevo Federation of B&H, Bosnia and Herzegovina	22.2
43	Chocope La Libertad, Peru	22.1
44	Ćuprija Central Serbia, Serbia	21.8
44	Shakaskraal low-cost sensors KwaZulu-Natal, South Africa	21.8
44	Abuja low-cost sensors FCT, Nigeria	21.8
47	San Francisco De Borja Lima region, Peru	21.5
48	San Miguel de Allende Guanajuato, Mexico	20.7
49	Eagle Pass Texas, United States	20.4
50	Antananarivo Analamanga, Madagascar	20.3
51	São Paulo São Paulo, Brazil	20.2
52	Maputo Maputo City, Mozambique	20.0
53	Shakopee Minnesota, United States	19.7
54	Abasolo Guanajuato, Mexico	19.5
55	Ashgabat Ashgabat, Turkmenistan	19.2
56	Belmopan Cayo District, Belize	19.0
57	Zhushan Taiwan, Taiwan	18.8
58	Wan Chai Wan Chai, Hong Kong	18.5
59	Guangzhou Guangdong, China	18.4
60	Richards Bay low-cost sensors KwaZulu-Natal, South Africa	18.3
60	Corpus Christi Texas, United States	18.3
62	Baku Baki, Azerbaijan	18.2
63	Dushanbe Dushanbe, Tajikistan	17.1
63	Yongkang Taiwan, Taiwan	17.1
63	Ulan Bator Ulaanbaatar, Mongolia	17.1
66	Salor Tashkent Region, Uzbekistan	17.0
66	Callao Callao, Peru	17.0
68	Brownsville Texas, United States	16.8
69	Fengshan Takao, Taiwan	16.7
70	Beigang Taiwan, Taiwan	16.6
71	Toruń Kujawsko-Pomorskie, Poland	16.5
72	Douliu Taiwan, Taiwan	16.4
73	Ourense Galicia, Spain	16.3
74	Chiayi City Taiwan, Taiwan	16.2
75	Prešov Prešov Region, Slovakia	16.1
76	Gdańsk Pomerania, Poland	16.0
77	Taibao Taiwan, Taiwan	15.9
78	Saijō Ehime, Japan	15.8
79	Sopot Pomerania, Poland	15.7
80	Puli Taiwan, Taiwan	15.6
81	Erlun Taiwan, Taiwan	15.5
81	Wangaratta Victoria, Australia	15.5
81	Kourou Guyane, French Guiana	15.5
81	Shikokuchūō Ehime, Japan	15.5
85	Grajewo Podlasie, Poland	15.4
85	Tainan Taiwan, Taiwan	15.4
87	Yuanlin Taiwan, Taiwan	15.3
88	Shulin Taipei, Taiwan	15.2
88	Zielona Góra Lubusz, Poland	15.2
88	Gdynia Pomerania, Poland	15.2
88	Tijuana Baja California, Mexico	15.2
92	Kaohsiung Takao, Taiwan	15.1
92	Fontana California, United States	15.1
94	Hsinchu Taiwan, Taiwan	14.9
94	Niihama Ehime, Japan	14.9
96	Ružomberok Žilina Region, Slovakia	14.6
96	Włocławek Kujawsko-Pomorskie, Poland	14.6
96	Užice Central Serbia, Serbia	14.6
96	Los Angeles California, United States	14.6
100	Novi Pazar Central Serbia, Serbia	14.5
101	Kasaoka Okayama, Japan	14.4
101	Bensalem Pennsylvania, United States	14.4
103	Bydgoszcz Kujawsko-Pomorskie, Poland	14.3
104	Żabbar Ħaż-Żabbar, Malta	14.2
104	Bohumín Moravian-Silesian Region, Czechia	14.2
104	Poznań Greater Poland, Poland	14.2
104	Live Oak Texas, United States	14.2
108	Tuen Mun Tuen Mun, Hong Kong	14.1
108	Algiers Algiers, Algeria	14.1
108	San Antonio Texas, United States	14.1
108	Arao Kumamoto, Japan	14.1
112	Chennai Tamil Nadu, India	14.0
112	Accra low-cost sensors Greater Accra, Ghana	14.0
112	Bielsko-Biala Silesia, Poland	14.0
115	Erlin Taiwan, Taiwan	13.9
115	Chaozhou Taiwan, Taiwan	13.9
115	Maarssen Utrecht, The Netherlands	13.9
118	Kalisz Greater Poland, Poland	13.8
118	Chikugo Fukuoka, Japan	13.8
120	Taipei Taiwan, Taiwan	13.7
120	Mong Kok Yau Tsim Mong District, Hong Kong	13.7
120	Lochristi Flanders, Belgium	13.7
120	Evergem Flanders, Belgium	13.7
120	Racibórz Silesia, Poland	13.7
125	Jincheng Fukien, Taiwan	13.6
125	Nakatsu Oita, Japan	13.6
125	Katowice Silesia, Poland	13.6
125	Valjevo Central Serbia, Serbia	13.6
129	Działdowo Warmia-Masuria, Poland	13.5
129	Xinying Taiwan, Taiwan	13.5
129	Nantou Taiwan, Taiwan	13.5
129	Zhubei Taiwan, Taiwan	13.5
129	Aomori Aomori, Japan	13.5
129	Český Těšín Moravian-Silesian Region, Czechia	13.5
135	Augustów Podlasie, Poland	13.4
135	Miaoli Taiwan, Taiwan	13.4
135	Szczecin West Pomerania, Poland	13.4
135	Arroyo Grande California, United States	13.4
139	Kan’onjichō Kagawa, Japan	13.3
139	Fukuyama Hiroshima, Japan	13.3
139	Trnava Trnava Region, Slovakia	13.3
139	Púchov Trenčín Region, Slovakia	13.3
139	Havířov Moravian-Silesian Region, Czechia	13.3
144	Maebaru-chūō Fukuoka, Japan	13.2
144	Yoshioka Miyagi, Japan	13.2
144	Žilina Žilina Region, Slovakia	13.2
144	Taoyuan Taiwan, Taiwan	13.2
144	Jōetsu Niigata, Japan	13.2
149	Olsztyn Warmia-Masuria, Poland	13.1
149	Astana Astana, Kazakhstan	13.1
149	Zwijndrecht Flanders, Belgium	13.1
149	Lębork Pomerania, Poland	13.1
153	Humenné Prešov Region, Slovakia	13.0
153	Xizhi Taipei, Taiwan	13.0
153	Gyōda Saitama, Japan	13.0
153	Kingston upon Hull England, United Kingdom	13.0
153	Krefeld North Rhine-Westphalia, Germany	13.0
153	Falconara Marittima The Marches, Italy	13.0
159	Kladno Central Bohemia, Czechia	12.9
160	Košice Košice Region, Slovakia	12.8
160	Zhudong Taiwan, Taiwan	12.8
160	Tai Po Tai Po, Hong Kong	12.8
160	Tanushimarumachi-toyoki Fukuoka, Japan	12.8
160	Igusa Saitama, Japan	12.8
160	Östersund Jämtland, Sweden	12.8
160	Acerra Campania, Italy	12.8
167	Taichung Taiwan, Taiwan	12.7
167	Ōtsuki Yamanashi, Japan	12.7
167	Himimachi Toyama, Japan	12.7
167	IJsselstein Utrecht, The Netherlands	12.7
167	Kapellen Flanders, Belgium	12.7
167	Nipomo California, United States	12.7
173	Pirot Central Serbia, Serbia	12.6
173	Pardubice Pardubice Region, Czechia	12.6
175	Maldegem Flanders, Belgium	12.5
176	Morohongō Saitama, Japan	12.4
176	Kure Hiroshima, Japan	12.4
176	Velsen-Zuid North Holland, The Netherlands	12.4
176	Stabroek Flanders, Belgium	12.4
176	Jastrzębie Zdrój Silesia, Poland	12.4
181	Colombo Western Province, Sri Lanka	12.3
181	Kazo Saitama, Japan	12.3
181	Hita Oita, Japan	12.3
181	Iwanuma Miyagi, Japan	12.3
181	Badhoevedorp North Holland, The Netherlands	12.3
181	Děčín Ústí nad Labem Region, Czechia	12.3
181	Koga Fukuoka, Japan	12.3
188	Miskolc Borsod-Abaúj-Zemplén, Hungary	12.2
188	Uozu Toyama, Japan	12.2
188	Namerikawa Toyama, Japan	12.2
188	Kodamachō-kodamaminami Saitama, Japan	12.2
188	Iyo Ehime, Japan	12.2
188	Matsuyama Ehime, Japan	12.2
188	Tilburg North Brabant, The Netherlands	12.2
188	Ayase Kanagawa, Japan	12.2
188	New Taipei City Taipei, Taiwan	12.2
197	Trebišov Košice Region, Slovakia	12.1
197	Nagai Yamagata, Japan	12.1
197	Antwerp Flanders, Belgium	12.1
197	Komárno Nitra Region, Slovakia	12.1

Top 200 of 2,090 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