SmogRank / History / week of January 16, 2023

Most polluted cities, week of January 16, 2023

1,025 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	Gómez Palacio Durango, Mexico	587.5
2	Bishkek low-cost sensors Bishkek, Kyrgyzstan	315.8
3	Dhaka low-cost sensors Dhaka Division, Bangladesh	221.6
4	Dushanbe Dushanbe, Tajikistan	186.8
5	Delhi Delhi, India	161.9
6	Lahore low-cost sensors Punjab, Pakistan	155.0
7	Almaty low-cost sensors Almaty, Kazakhstan	142.2
8	Salor Tashkent Region, Uzbekistan	141.7
9	Mumbai Maharashtra, India	136.9
10	Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan	111.6
11	Karachi low-cost sensors Sindh, Pakistan	101.6
12	Hanoi Hanoi, Vietnam	87.9
13	N'Djamena N’Djaména, Chad	86.1
14	Kathmandu low-cost sensors Bagmati Province, Nepal	84.9
15	Ashgabat Ashgabat, Turkmenistan	81.0
16	Islamabad low-cost sensors Islamabad, Pakistan	80.8
17	Alexandria Alexandria, Egypt	77.5
18	Baghdad Baghdad, Iraq	69.6
19	Kigali Kigali, Rwanda	69.0
20	Kampala low-cost sensors Central Region, Uganda	68.7
21	San Mateo Atenco México, Mexico	58.5
22	Cholula Puebla, Mexico	58.3
23	Hacienda Santa Fe Jalisco, Mexico	56.6
24	San Francisco Tlalcilalcalpan México, Mexico	53.8
25	Bamako Bamako, Mali	53.5
26	Toluca México, Mexico	51.8
27	Yangon Yangon, Myanmar	51.2
28	Tlaquepaque Jalisco, Mexico	49.3
29	Accra low-cost sensors Greater Accra, Ghana	48.3
30	Guadalajara Jalisco, Mexico	48.2
31	Şabāḩ as Sālim Mubārak al Kabīr, Kuwait	45.2
32	Celaya Guanajuato, Mexico	42.9
33	Shanghai Shanghai, China	42.7
34	Baku Baki, Azerbaijan	40.3
35	Colombo Western Province, Sri Lanka	40.1
36	Ciudad Nezahualcoyotl México, Mexico	39.3
37	Racibórz Silesia, Poland	38.9
38	Xonacatlán México, Mexico	38.2
39	Jastrzębie Zdrój Silesia, Poland	37.7
40	Ecatepec de Morelos México, Mexico	37.2
41	Banja Luka Srpska, Bosnia and Herzegovina	36.9
42	Badger Alaska, United States	36.0
43	Puebla Puebla, Mexico	35.7
44	Naucalpan de Juárez México, Mexico	35.4
45	Addis Ababa Addis Ababa, Ethiopia	35.2
46	Mexicali Baja California, Mexico	35.1
47	Villa Poeta José Gálvez Barrenechea Lima region, Peru	34.8
48	Ciudad Benito Juárez Nuevo León, Mexico	34.2
49	Szamotuły Greater Poland, Poland	33.9
50	San Salvador Tizatlalli México, Mexico	32.9
51	Pristina Pristina, Kosovo	32.7
51	Zapopan Jalisco, Mexico	32.7
53	Zacatepec de Hidalgo Morelos, Mexico	32.4
54	Mexico City Mexico City, Mexico	30.9
55	Lębork Pomerania, Poland	30.5
56	Krapkowice Opole Voivodeship, Poland	30.3
57	Łask Łódź Voivodeship, Poland	29.5
57	Lima Lima Province, Peru	29.5
59	Wrocław Lower Silesia, Poland	29.3
60	Lublin Lublin, Poland	28.6
60	Apizaco Tlaxcala, Mexico	28.6
62	Katowice Silesia, Poland	27.9
63	Włocławek Kujawsko-Pomorskie, Poland	27.8
64	Bohumín Moravian-Silesian Region, Czechia	27.7
65	Jelenia Góra Lower Silesia, Poland	27.3
65	Bielsko-Biala Silesia, Poland	27.3
67	Ciudad Apodaca Nuevo León, Mexico	27.1
68	Guangzhou Guangdong, China	26.9
68	Sliema Tas-Sliema, Malta	26.9
70	Kutno Łódź Voivodeship, Poland	26.6
71	Pachuca de Soto Hidalgo, Mexico	26.1
72	Kłodzko Lower Silesia, Poland	26.0
73	Veracruz Veracruz, Mexico	25.9
74	San Luis Potosí San Luis Potosí, Mexico	25.8
75	Poznań Greater Poland, Poland	25.3
76	Minatitlán Veracruz, Mexico	24.8
77	Żyrardów Mazovia, Poland	24.7
77	Płock Mazovia, Poland	24.7
79	Zgierz Łódź Voivodeship, Poland	24.6
80	Tin Shui Wai Yuen Long, Hong Kong	24.3
80	Havířov Moravian-Silesian Region, Czechia	24.3
82	Mong Kok Yau Tsim Mong District, Hong Kong	24.2
82	Kędzierzyn-Koźle Opole Voivodeship, Poland	24.2
84	Santa Catarina Nuevo León, Mexico	24.0
85	Ostrava Moravian-Silesian Region, Czechia	23.9
85	Alessandria Piedmont, Italy	23.9
87	Niš Central Serbia, Serbia	23.8
88	Radom Mazovia, Poland	23.6
88	San Andrés Tuxtla Veracruz, Mexico	23.6
90	Starachowice Świętokrzyskie, Poland	23.5
91	Český Těšín Moravian-Silesian Region, Czechia	23.4
92	Beijing Beijing, China	23.1
92	Opole Opole Voivodeship, Poland	23.1
92	León de los Aldama Guanajuato, Mexico	23.1
95	Tsuen Wan Tsuen Wan, Hong Kong	23.0
96	Gdynia Pomerania, Poland	22.9
97	Fanling North District, Hong Kong	22.8
97	Świecie Kujawsko-Pomorskie, Poland	22.8
99	Abasolo Guanajuato, Mexico	22.5
100	Zielona Góra Lubusz, Poland	22.2
101	Tai Po Tai Po, Hong Kong	22.1
102	Kraków Lesser Poland, Poland	21.9
103	Monterrey Nuevo León, Mexico	21.8
104	Victoria Central and Western, Hong Kong	21.7
104	Cadereyta Jiménez Nuevo León, Mexico	21.7
106	Otwock Mazovia, Poland	21.5
106	Kwai Chung Kwai Tsing District, Hong Kong	21.5
106	Děčín Ústí nad Labem Region, Czechia	21.5
109	Tarnów Lesser Poland, Poland	21.1
109	Nisko Subcarpathia, Poland	21.1
111	García Nuevo León, Mexico	21.0
112	Chisinau Chișinău Municipality, Moldova	20.9
113	Cuernavaca Morelos, Mexico	20.6
113	San Luis de la Paz Guanajuato, Mexico	20.6
115	Pułtusk Mazovia, Poland	20.3
115	Międzyrzecz Lubusz, Poland	20.3
115	Turin Piedmont, Italy	20.3
115	Cuautla Morelos, Mexico	20.3
119	Sha Tin Sha Tin, Hong Kong	20.1
119	Valašské Meziříčí Zlín, Czechia	20.1
121	San Miguel de Allende Guanajuato, Mexico	19.8
122	Eindhoven North Brabant, The Netherlands	19.7
122	Grande Prairie Alberta, Canada	19.7
124	Sau Mau Ping Kwun Tong District, Hong Kong	19.6
125	Nairobi Nairobi County, Kenya	19.5
125	Aberdeen Southern District, Hong Kong	19.5
127	Sallanches Auvergne-Rhône-Alpes, France	19.2
128	Coatzacoalcos Veracruz, Mexico	18.8
129	Sevlievo low-cost sensors Gabrovo, Bulgaria	18.5
129	Rzeszów Subcarpathia, Poland	18.5
129	Szczecin West Pomerania, Poland	18.5
129	Kościerzyna Pomerania, Poland	18.5
133	Pátra West Greece, Greece	18.2
133	Jarosław Subcarpathia, Poland	18.2
133	Bydgoszcz Kujawsko-Pomorskie, Poland	18.2
136	Pruszków Mazovia, Poland	18.1
137	Ciudad Juárez Chihuahua, Mexico	18.0
138	Wawer Mazovia, Poland	17.8
139	Monaco Municipality of Monaco, Monaco	17.7
140	San Tung Chung Hang Islands, Hong Kong	17.6
141	Gorzów Wielkopolski Lubusz, Poland	17.5
142	Volos Thessaly, Greece	17.4
142	Mielec Subcarpathia, Poland	17.4
142	Rouen Normandy, France	17.4
142	Douai Hauts-de-France, France	17.4
142	Beroun Central Bohemia, Czechia	17.4
142	Gdańsk Pomerania, Poland	17.4
148	Warsaw Mazovia, Poland	17.2
148	Ružomberok Žilina Region, Slovakia	17.2
148	Fairbanks Alaska, United States	17.2
148	San Francisco De Borja Lima region, Peru	17.2
152	Bordeaux New Aquitaine, France	17.1
153	Łuków Lublin, Poland	16.8
153	Mosta Il-Mosta, Malta	16.8
155	Belgrade Central Serbia, Serbia	16.6
155	Tilburg North Brabant, The Netherlands	16.6
155	Fort Lauderdale Florida, United States	16.6
158	Calexico California, United States	16.4
159	Khartoum Khartoum, Sudan	16.3
160	Siedlce Mazovia, Poland	16.2
161	Venray Limburg, The Netherlands	16.0
162	Santa Anita - Los Ficus Lima region, Peru	15.9
163	Santa Cruz de Tenerife Canary Islands, Spain	15.8
163	Zlín Zlín, Czechia	15.8
165	Czechowice-Dziedzice Silesia, Poland	15.7
166	Sopot Pomerania, Poland	15.5
167	Spišská Nová Ves Košice Region, Slovakia	15.3
167	Kętrzyn Warmia-Masuria, Poland	15.3
167	Zvolen Banská Bystrica Region, Slovakia	15.3
167	Łódź Łódź Voivodeship, Poland	15.3
171	Lisieux Normandy, France	15.2
172	Kazincbarcika Borsod-Abaúj-Zemplén, Hungary	15.1
173	Nijmegen Gelderland, The Netherlands	15.0
174	Žilina Žilina Region, Slovakia	14.9
175	Asprópyrgos Attica, Greece	14.8
175	Zamość Lublin, Poland	14.8
175	Ełk Warmia-Masuria, Poland	14.8
178	Thessaloníki Central Macedonia, Greece	14.7
178	Derry Northern Ireland, United Kingdom	14.7
180	Olomouc Olomouc Region, Czechia	14.5
180	Liberec Liberec Region, Czechia	14.5
180	Victoria de Durango Durango, Mexico	14.5
183	Przemyśl Subcarpathia, Poland	14.3
183	Konstancin-Jeziorna Mazovia, Poland	14.3
183	Breda North Brabant, The Netherlands	14.3
183	Ústí nad Labem Ústí nad Labem Region, Czechia	14.3
183	Elbląg Warmia-Masuria, Poland	14.3
188	Dimitrovgrad low-cost sensors Haskovo, Bulgaria	14.2
188	Olsztyn Warmia-Masuria, Poland	14.2
190	Edinburg Texas, United States	14.1
191	Bucharest Bucharest, Romania	14.0
191	Żary Lubusz, Poland	14.0
193	Bergen Vestland, Norway	13.9
193	São Paulo São Paulo, Brazil	13.9
193	Ferraz de Vasconcelos São Paulo, Brazil	13.9
193	Thornton Colorado, United States	13.9
197	Grajewo Podlasie, Poland	13.7
197	Senica Trnava Region, Slovakia	13.7
199	Židenice South Moravian, Czechia	13.6
199	Most Ústí nad Labem Region, Czechia	13.6

Top 200 of 1,025 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