SmogRank / History / week of January 2, 2023

Most polluted cities, week of January 2, 2023

968 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	Lahore low-cost sensors Punjab, Pakistan	363.7
2	N'Djamena N’Djaména, Chad	323.8
3	Delhi Delhi, India	273.4
4	Dhaka low-cost sensors Dhaka Division, Bangladesh	220.7
5	Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan	205.9
6	Pljevlja Pljevlja, Montenegro	164.5
7	Abuja low-cost sensors FCT, Nigeria	158.6
8	Islamabad low-cost sensors Islamabad, Pakistan	134.1
9	Podgorica Podgorica, Montenegro	106.9
10	Mumbai Maharashtra, India	99.3
11	Banja Luka Srpska, Bosnia and Herzegovina	98.9
12	Accra low-cost sensors Greater Accra, Ghana	97.8
13	Pristina Pristina, Kosovo	88.6
14	Kathmandu low-cost sensors Bagmati Province, Nepal	87.2
15	Hanoi Hanoi, Vietnam	81.0
16	Hyderabad Telangana, India	79.8
17	Baghdad Baghdad, Iraq	77.9
18	Alexandria Alexandria, Egypt	75.4
19	Bamako Bamako, Mali	69.8
20	Volos Thessaly, Greece	65.9
21	Dushanbe Dushanbe, Tajikistan	59.7
22	Kampala low-cost sensors Central Region, Uganda	58.0
23	Botevgrad low-cost sensors Sofia, Bulgaria	53.6
24	Shanghai Shanghai, China	52.3
25	Athens Attica, Greece	46.0
26	Thessaloníki Central Macedonia, Greece	43.3
27	Şabāḩ as Sālim Mubārak al Kabīr, Kuwait	42.1
28	Kigali Kigali, Rwanda	42.0
29	Haskovo low-cost sensors Haskovo, Bulgaria	41.0
30	Almaty low-cost sensors Almaty, Kazakhstan	40.8
31	Badger Alaska, United States	40.2
32	Dimitrovgrad low-cost sensors Haskovo, Bulgaria	36.2
32	Villa Poeta José Gálvez Barrenechea Lima region, Peru	36.2
34	Bishkek low-cost sensors Bishkek, Kyrgyzstan	35.2
35	Beijing Beijing, China	34.5
36	Pátra West Greece, Greece	34.4
37	Chisinau Chișinău Municipality, Moldova	34.1
38	Guangzhou Guangdong, China	33.8
39	Colombo Western Province, Sri Lanka	32.8
40	Lima Lima Province, Peru	32.2
41	Sevlievo low-cost sensors Gabrovo, Bulgaria	32.1
42	Piraeus Attica, Greece	30.1
43	Tin Shui Wai Yuen Long, Hong Kong	29.7
44	Wan Chai Wan Chai, Hong Kong	29.2
45	Kazincbarcika Borsod-Abaúj-Zemplén, Hungary	28.2
46	Wolfsberg Carinthia, Austria	28.1
47	Salor Tashkent Region, Uzbekistan	27.8
48	Acharnés Attica, Greece	27.7
48	Mong Kok Yau Tsim Mong District, Hong Kong	27.7
50	Świecie Kujawsko-Pomorskie, Poland	27.6
50	Jastrzębie Zdrój Silesia, Poland	27.6
52	Kraków Lesser Poland, Poland	27.0
53	West Fargo North Dakota, United States	25.7
54	Fanling North District, Hong Kong	25.6
55	Tai Po Tai Po, Hong Kong	25.3
56	Kwai Chung Kwai Tsing District, Hong Kong	25.1
57	Tsuen Wan Tsuen Wan, Hong Kong	24.9
58	Lublin Lublin, Poland	23.5
59	Baku Baki, Azerbaijan	23.3
60	Sha Tin Sha Tin, Hong Kong	22.8
61	Bismarck North Dakota, United States	22.7
62	Kłodzko Lower Silesia, Poland	22.6
63	Sau Mau Ping Kwun Tong District, Hong Kong	22.3
64	Bielsko-Biala Silesia, Poland	22.2
65	Gabrovo low-cost sensors Gabrovo, Bulgaria	22.1
65	Torrevieja Valencia, Spain	22.1
67	Asprópyrgos Attica, Greece	21.7
67	Naucalpan de Juárez México, Mexico	21.7
67	Fairbanks Alaska, United States	21.7
70	Aberdeen Southern District, Hong Kong	21.6
71	Valdemoro Madrid, Spain	21.3
72	Celaya Guanajuato, Mexico	21.2
73	San Tung Chung Hang Islands, Hong Kong	21.1
74	Sham Shui Po Sham Shui Po District, Hong Kong	20.7
75	Włocławek Kujawsko-Pomorskie, Poland	20.4
76	Mexico City Mexico City, Mexico	20.3
76	Saint Paul Minnesota, United States	20.3
78	Klagenfurt am Wörthersee Carinthia, Austria	20.0
78	Lębork Pomerania, Poland	20.0
80	San Antonio Texas, United States	19.9
81	Graz Styria, Austria	19.8
81	Irapuato Guanajuato, Mexico	19.8
83	Szeged Csongrád, Hungary	19.7
84	Pylaía Central Macedonia, Greece	19.5
84	Otwock Mazovia, Poland	19.5
86	Katowice Silesia, Poland	19.4
86	Santa Anita - Los Ficus Lima region, Peru	19.4
88	Ecatepec de Morelos México, Mexico	19.3
89	Khartoum Khartoum, Sudan	19.2
89	Racibórz Silesia, Poland	19.2
91	Oviedo Asturias, Spain	18.8
92	Minneapolis Minnesota, United States	18.7
92	Edmonton Alberta, Canada	18.7
92	Grande Prairie Alberta, Canada	18.7
95	Starachowice Świętokrzyskie, Poland	18.6
96	Nisko Subcarpathia, Poland	18.5
97	Cartagena Murcia, Spain	18.4
97	Gdynia Pomerania, Poland	18.4
99	Shakopee Minnesota, United States	18.3
100	Esztergom Komárom-Esztergom, Hungary	18.2
100	Toruń Kujawsko-Pomorskie, Poland	18.2
102	Żyrardów Mazovia, Poland	18.1
102	Nogales Arizona, United States	18.1
104	Antananarivo Analamanga, Madagascar	17.9
104	Apple Valley Minnesota, United States	17.9
106	Czechowice-Dziedzice Silesia, Poland	17.8
107	Bar Bar, Montenegro	17.7
107	León de los Aldama Guanajuato, Mexico	17.7
107	Ciudad Juárez Chihuahua, Mexico	17.7
110	Krapkowice Opole Voivodeship, Poland	17.6
111	Sallanches Auvergne-Rhône-Alpes, France	17.3
112	Santa Cruz de Tenerife Canary Islands, Spain	17.1
113	Ashgabat Ashgabat, Turkmenistan	17.0
114	Radom Mazovia, Poland	16.9
115	Abasolo Guanajuato, Mexico	16.8
116	San Francisco De Borja Lima region, Peru	16.7
117	Arucas Canary Islands, Spain	16.6
117	Collado-Villalba Madrid, Spain	16.6
117	Rochester Minnesota, United States	16.6
120	La Crosse Wisconsin, United States	16.5
121	Jeddah Mecca Region, Saudi Arabia	16.3
121	Phoenix Arizona, United States	16.3
123	Wawer Mazovia, Poland	16.1
123	Poznań Greater Poland, Poland	16.1
123	Butte Montana, United States	16.1
126	Kutno Łódź Voivodeship, Poland	16.0
127	Łask Łódź Voivodeship, Poland	15.9
128	Bellinzona Ticino, Switzerland	15.8
128	Thornton Colorado, United States	15.8
130	Algiers Algiers, Algeria	15.7
130	Las Palmas de Gran Canaria Canary Islands, Spain	15.7
130	Meylan Auvergne-Rhône-Alpes, France	15.7
133	Linz Upper Austria, Austria	15.6
133	Győr Győr-Moson-Sopron, Hungary	15.6
133	Vigo Galicia, Spain	15.6
136	Warsaw Mazovia, Poland	15.4
137	Wrocław Lower Silesia, Poland	15.3
138	Sunnyside Washington, United States	15.2
139	Lugano Ticino, Switzerland	15.1
139	Toulouse Occitanie, France	15.1
139	Dax New Aquitaine, France	15.1
139	Jelenia Góra Lower Silesia, Poland	15.1
143	Saint Cloud Minnesota, United States	15.0
143	Greeley Colorado, United States	15.0
145	Pruszków Mazovia, Poland	14.8
145	Elda Valencia, Spain	14.8
145	Traun Upper Austria, Austria	14.8
148	Eau Claire Wisconsin, United States	14.7
149	Redford Michigan, United States	14.6
149	Yakima Washington, United States	14.6
151	Ełk Warmia-Masuria, Poland	14.5
151	Augustów Podlasie, Poland	14.5
151	Watertown South Dakota, United States	14.5
154	Zamość Lublin, Poland	14.4
155	Siedlce Mazovia, Poland	14.3
155	Hradec Králové Hradec Králové Region, Czechia	14.3
157	Ústí nad Labem Ústí nad Labem Region, Czechia	14.2
157	Zgierz Łódź Voivodeship, Poland	14.2
157	Gdańsk Pomerania, Poland	14.2
160	Rzeszów Subcarpathia, Poland	14.1
160	Bydgoszcz Kujawsko-Pomorskie, Poland	14.1
162	Nairobi Nairobi County, Kenya	14.0
162	Tijuana Baja California, Mexico	14.0
162	Ankeny Iowa, United States	14.0
165	Tarnów Lesser Poland, Poland	13.9
165	Suwałki Podlasie, Poland	13.9
167	Płock Mazovia, Poland	13.7
167	Kościerzyna Pomerania, Poland	13.7
167	Moline Illinois, United States	13.7
170	Khalándrion Attica, Greece	13.6
170	Kętrzyn Warmia-Masuria, Poland	13.6
170	Givors Auvergne-Rhône-Alpes, France	13.6
170	Kędzierzyn-Koźle Opole Voivodeship, Poland	13.6
174	Jarosław Subcarpathia, Poland	13.5
174	Židenice South Moravian, Czechia	13.5
174	Dearborn Michigan, United States	13.5
177	La Spezia Liguria, Italy	13.4
177	Clinton Iowa, United States	13.4
177	Davenport Iowa, United States	13.4
177	Fort Collins Colorado, United States	13.4
181	Lyon Auvergne-Rhône-Alpes, France	13.2
181	Sopot Pomerania, Poland	13.2
181	Calumet City Illinois, United States	13.2
181	Lancaster Pennsylvania, United States	13.2
185	Zielona Góra Lubusz, Poland	13.1
185	Cuenca Castille-La Mancha, Spain	13.1
185	Indianapolis Indiana, United States	13.1
185	Waterloo Iowa, United States	13.1
185	Kalamazoo Michigan, United States	13.1
185	Harrisburg Pennsylvania, United States	13.1
191	Grajewo Podlasie, Poland	13.0
191	Brno South Moravian, Czechia	13.0
191	Opole Opole Voivodeship, Poland	13.0
191	Coslada Madrid, Spain	13.0
191	Edinburg Texas, United States	13.0
196	Sama Asturias, Spain	12.9
196	Compton California, United States	12.9
198	Chambéry Auvergne-Rhône-Alpes, France	12.8
198	Móstoles Madrid, Spain	12.8
200	Olsztyn Warmia-Masuria, Poland	12.7

Top 200 of 968 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