SmogRank / History / week of January 29, 2024

Most polluted cities, week of January 29, 2024

1,964 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	240.5
2	Dhaka low-cost sensors Dhaka Division, Bangladesh	202.3
3	Delhi Delhi, India	185.5
4	Abuja low-cost sensors FCT, Nigeria	148.7
5	Ulan Bator Ulaanbaatar, Mongolia	123.9
6	Kolkata West Bengal, India	121.8
7	Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan	109.0
7	Banja Luka Srpska, Bosnia and Herzegovina	109.0
9	Kathmandu low-cost sensors Bagmati Province, Nepal	92.6
10	Sarajevo Federation of B&H, Bosnia and Herzegovina	83.8
11	Novi Pazar Central Serbia, Serbia	82.0
12	Pljevlja Pljevlja, Montenegro	79.3
13	Shenyang Liaoning, China	78.6
14	Beijing Beijing, China	74.0
15	Mumbai Maharashtra, India	69.1
16	Capannori Tuscany, Italy	66.1
17	Islamabad low-cost sensors Islamabad, Pakistan	65.3
18	Dej Cluj County, Romania	63.8
19	Kampala low-cost sensors Central Region, Uganda	63.2
20	Hanoi Hanoi, Vietnam	62.2
21	Almaty low-cost sensors Almaty, Kazakhstan	61.7
22	Lazarevac Central Serbia, Serbia	61.3
23	Hyderabad Telangana, India	61.2
24	Niš Central Serbia, Serbia	60.5
25	Tetovo Tetovo, North Macedonia	59.8
26	Skopje Grad Skopje, North Macedonia	59.4
27	Bitola Bitola, North Macedonia	58.3
28	Strumica Strumica, North Macedonia	57.3
29	Užice Central Serbia, Serbia	56.7
30	Kavadarci Kavadarci, North Macedonia	56.2
31	Kigali Kigali, Rwanda	55.5
32	Milan Lombardy, Italy	54.2
33	Karachi low-cost sensors Sindh, Pakistan	53.2
34	Podgorica Podgorica, Montenegro	50.9
35	Bangkok low-cost sensors Bangkok, Thailand	50.3
36	Smederevo Central Serbia, Serbia	49.5
37	Zemun Central Serbia, Serbia	49.4
37	Pančevo Vojvodina, Serbia	49.4
39	Kourou Guyane, French Guiana	49.0
40	Obrenovac Central Serbia, Serbia	48.9
41	Gostivar Gostivar, North Macedonia	47.3
41	Mantua Lombardy, Italy	47.3
43	Brescia Lombardy, Italy	45.2
44	Dushanbe Dushanbe, Tajikistan	43.8
45	Cayenne Guyane, French Guiana	43.6
46	Belgrade Central Serbia, Serbia	42.7
46	Yangon Yangon, Myanmar	42.7
48	Cairo Cairo, Egypt	41.9
49	Guangzhou Guangdong, China	40.7
49	Benevento Campania, Italy	40.7
51	Działdowo Warmia-Masuria, Poland	40.6
52	Ban Khlong Prawet low-cost sensors Bangkok, Thailand	39.1
52	Como Lombardy, Italy	39.1
54	Vigevano Lombardy, Italy	38.9
55	Czechowice-Dziedzice Silesia, Poland	38.7
56	Vimercate Lombardy, Italy	38.2
57	Erba Lombardy, Italy	38.1
58	Chiang Mai low-cost sensors Chiang Mai, Thailand	37.6
59	Miskolc Borsod-Abaúj-Zemplén, Hungary	37.5
60	Košice Košice Region, Slovakia	36.9
60	Pesaro The Marches, Italy	36.9
62	Sremčica Central Serbia, Serbia	36.8
63	Novara Piedmont, Italy	36.6
64	Ćuprija Central Serbia, Serbia	36.1
65	Cluj-Napoca Cluj County, Romania	35.5
66	Lodi Lombardy, Italy	35.1
67	Humenné Prešov Region, Slovakia	34.5
68	Veles Veles, North Macedonia	34.4
69	Botevgrad low-cost sensors Sofia, Bulgaria	34.2
70	Kazincbarcika Borsod-Abaúj-Zemplén, Hungary	34.1
71	Opole Opole Voivodeship, Poland	34.0
72	Ourense Galicia, Spain	33.9
73	Vranov nad Topľou Prešov Region, Slovakia	33.8
73	Astana Astana, Kazakhstan	33.8
75	Trebišov Košice Region, Slovakia	33.7
76	Puertollano Castille-La Mancha, Spain	33.5
77	Graz Styria, Austria	33.4
77	Lučenec Banská Bystrica Region, Slovakia	33.4
79	Ilinden Ilinden, North Macedonia	33.2
80	Sallanches Auvergne-Rhône-Alpes, France	32.4
81	Prešov Prešov Region, Slovakia	32.2
82	Santa Cruz de Tenerife Canary Islands, Spain	32.1
83	Pavia Lombardy, Italy	32.0
84	Paredes Porto, Portugal	31.7
85	La Orotava Canary Islands, Spain	31.4
86	Haskovo low-cost sensors Haskovo, Bulgaria	31.3
87	Kraków Lesser Poland, Poland	31.2
87	Manlleu Catalonia, Spain	31.2
89	Acerra Campania, Italy	30.9
90	Falconara Marittima The Marches, Italy	30.8
91	Wan Chai Wan Chai, Hong Kong	30.7
92	Vigo Galicia, Spain	30.5
93	Chennai Tamil Nadu, India	30.4
94	Kochani Kochani, North Macedonia	29.9
94	Bra Piedmont, Italy	29.9
96	Santa Cruz de la Palma Canary Islands, Spain	29.6
97	Algiers Algiers, Algeria	29.5
98	Jakarta Jakarta, Indonesia	29.2
99	Baku Baki, Azerbaijan	29.0
100	Novi Sad Vojvodina, Serbia	28.5
101	Pristina Pristina, Kosovo	28.3
102	Futog Vojvodina, Serbia	28.0
103	Lleida Catalonia, Spain	27.8
104	Wolfsberg Carinthia, Austria	27.5
104	Čadca Žilina Region, Slovakia	27.5
106	Iaşi Iași County, Romania	27.2
107	Borgomanero Piedmont, Italy	26.8
108	Klagenfurt am Wörthersee Carinthia, Austria	26.7
109	Bailén Andalusia, Spain	26.5
110	Bardejov Prešov Region, Slovakia	26.3
110	Mollet del Vallès Catalonia, Spain	26.3
112	Tarbes Occitanie, France	26.2
112	Púchov Trenčín Region, Slovakia	26.2
114	Katowice Silesia, Poland	25.9
115	Augustów Podlasie, Poland	25.6
115	Olomouc Olomouc Region, Czechia	25.6
117	Włocławek Kujawsko-Pomorskie, Poland	25.5
118	Děčín Ústí nad Labem Region, Czechia	25.4
119	Tuen Mun Tuen Mun, Hong Kong	25.3
119	Fréjus Provence-Alpes-Côte d'Azur, France	25.3
121	Ružomberok Žilina Region, Slovakia	25.2
121	Naples Campania, Italy	25.2
123	Jastrzębie Zdrój Silesia, Poland	25.1
124	Lourdes Occitanie, France	25.0
124	Náchod Hradec Králové Region, Czechia	25.0
126	Skarżysko-Kamienna Świętokrzyskie, Poland	24.7
126	Grenoble Auvergne-Rhône-Alpes, France	24.7
128	Colombo Western Province, Sri Lanka	24.5
128	Salor Tashkent Region, Uzbekistan	24.5
128	Ceglie Messapica Apulia, Italy	24.5
131	Annemasse Auvergne-Rhône-Alpes, France	24.3
131	Kościan Greater Poland, Poland	24.3
133	Las Palmas de Gran Canaria Canary Islands, Spain	24.2
133	Annecy Auvergne-Rhône-Alpes, France	24.2
135	Mong Kok Yau Tsim Mong District, Hong Kong	24.1
136	Kościerzyna Pomerania, Poland	23.9
137	Martin Žilina Region, Slovakia	23.8
137	Kłodzko Lower Silesia, Poland	23.8
139	Zgierz Łódź Voivodeship, Poland	23.6
140	Volos Thessaly, Greece	23.3
140	Lima Lima Province, Peru	23.3
142	Maspalomas Canary Islands, Spain	23.1
142	Le Lamentin Martinique, Martinique	23.1
144	Lębork Pomerania, Poland	23.0
145	Candelaria Canary Islands, Spain	22.9
145	Ancona The Marches, Italy	22.9
147	Molina de Segura Murcia, Spain	22.7
148	Žilina Žilina Region, Slovakia	22.6
149	Pontevedra Galicia, Spain	22.5
150	Granadilla de Abona Canary Islands, Spain	22.4
151	Sevlievo low-cost sensors Gabrovo, Bulgaria	22.2
152	Racibórz Silesia, Poland	22.1
152	Oviedo Asturias, Spain	22.1
154	Murcia Murcia, Spain	21.9
155	Nisko Subcarpathia, Poland	21.8
156	Şabāḩ as Sālim Mubārak al Kabīr, Kuwait	21.7
157	Victoria Central and Western, Hong Kong	21.5
157	San Isidro Canary Islands, Spain	21.5
157	Meylan Auvergne-Rhône-Alpes, France	21.5
157	Poznań Greater Poland, Poland	21.5
157	Sama Asturias, Spain	21.5
162	Jelenia Góra Lower Silesia, Poland	21.4
163	Amora Setúbal, Portugal	21.3
163	Le Robert Martinique, Martinique	21.3
165	Sha Tin Sha Tin, Hong Kong	21.1
165	Teplice Ústí nad Labem Region, Czechia	21.1
167	Tin Shui Wai Yuen Long, Hong Kong	21.0
167	Celaya Guanajuato, Mexico	21.0
169	Beroun Central Bohemia, Czechia	20.8
170	Kladno Central Bohemia, Czechia	20.7
170	Elbląg Warmia-Masuria, Poland	20.7
170	Fabriano The Marches, Italy	20.7
173	Gardanne Provence-Alpes-Côte d'Azur, France	20.6
173	Pécs Baranya, Hungary	20.6
173	Liptovský Mikuláš Žilina Region, Slovakia	20.6
176	Pau New Aquitaine, France	20.5
176	Prievidza Trenčín Region, Slovakia	20.5
176	Přerov Olomouc Region, Czechia	20.5
176	León Castille and León, Spain	20.5
180	Starachowice Świętokrzyskie, Poland	20.4
180	Sham Shui Po Sham Shui Po District, Hong Kong	20.4
180	A Coruña Galicia, Spain	20.4
183	Bucharest Bucharest, Romania	20.3
183	Przemyśl Subcarpathia, Poland	20.3
183	Grajewo Podlasie, Poland	20.3
186	Gijón Asturias, Spain	20.2
186	Callao Callao, Peru	20.2
188	Ingolstadt Bavaria, Germany	20.1
188	Bydgoszcz Kujawsko-Pomorskie, Poland	20.1
190	Sau Mau Ping Kwun Tong District, Hong Kong	20.0
190	Avignon Provence-Alpes-Côte d'Azur, France	20.0
190	Gorzów Wielkopolski Lubusz, Poland	20.0
193	Ruse Ruse, Bulgaria	19.9
194	Kielce Świętokrzyskie, Poland	19.8
194	Arona Canary Islands, Spain	19.8
194	Lugo Galicia, Spain	19.8
197	Liepāja Liepaja, Latvia	19.7
197	Chambéry Auvergne-Rhône-Alpes, France	19.7
199	Valencia Valencia, Spain	19.6
199	Hradec Králové Hradec Králové Region, Czechia	19.6

Top 200 of 1,964 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