SmogRank / History / February 2024

Most polluted cities, February 2024

2,003 cities ranked by their average PM2.5 over the 29 days. A city needs measurements on 70% of the days to be ranked.

#	City	µg/m³
1	Dhaka low-cost sensors Dhaka Division, Bangladesh	157.6
2	N'Djamena N’Djaména, Chad	127.4
3	Kolkata West Bengal, India	117.9
4	Delhi Delhi, India	108.9
5	Ulan Bator Ulaanbaatar, Mongolia	98.4
6	Abuja low-cost sensors FCT, Nigeria	93.2
7	Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan	87.9
8	Tlaquepaque Jalisco, Mexico	81.9
9	Kathmandu low-cost sensors Bagmati Province, Nepal	80.0
10	Mumbai Maharashtra, India	71.0
11	Shenyang Liaoning, China	70.5
12	Islamabad low-cost sensors Islamabad, Pakistan	69.8
13	Novi Pazar Central Serbia, Serbia	63.5
14	Karachi low-cost sensors Sindh, Pakistan	62.4
15	Pljevlja Pljevlja, Montenegro	58.7
16	Banja Luka Srpska, Bosnia and Herzegovina	55.9
17	Yangon Yangon, Myanmar	55.7
18	Almaty low-cost sensors Almaty, Kazakhstan	49.6
19	Hyderabad Telangana, India	49.4
20	Kigali Kigali, Rwanda	48.8
20	Strumica Strumica, North Macedonia	48.8
22	Tetovo Tetovo, North Macedonia	48.6
23	Beijing Beijing, China	47.9
24	Skopje Grad Skopje, North Macedonia	47.4
25	Cairo Cairo, Egypt	47.2
26	Salor Tashkent Region, Uzbekistan	46.6
27	Sarajevo Federation of B&H, Bosnia and Herzegovina	46.2
28	Kavadarci Kavadarci, North Macedonia	45.6
29	Niš Central Serbia, Serbia	45.5
30	Dej Cluj County, Romania	42.3
31	Dushanbe Dushanbe, Tajikistan	41.8
32	Vigevano Lombardy, Italy	40.7
33	Kampala low-cost sensors Central Region, Uganda	40.5
34	Mantua Lombardy, Italy	39.7
35	Hanoi Hanoi, Vietnam	39.3
36	Milan Lombardy, Italy	39.0
37	Lazarevac Central Serbia, Serbia	37.7
37	Užice Central Serbia, Serbia	37.7
39	Zemun Central Serbia, Serbia	37.3
40	Bitola Bitola, North Macedonia	36.5
41	Chennai Tamil Nadu, India	36.2
42	Pavia Lombardy, Italy	36.1
43	Capannori Tuscany, Italy	35.3
44	Pančevo Vojvodina, Serbia	34.7
45	Podgorica Podgorica, Montenegro	34.6
46	Veles Veles, North Macedonia	34.3
47	Gostivar Gostivar, North Macedonia	33.7
48	Lodi Lombardy, Italy	32.9
49	Smederevo Central Serbia, Serbia	32.0
49	Brescia Lombardy, Italy	32.0
51	Vimercate Lombardy, Italy	29.8
52	Obrenovac Central Serbia, Serbia	29.5
53	Novara Piedmont, Italy	29.4
54	Działdowo Warmia-Masuria, Poland	29.2
55	Opole Opole Voivodeship, Poland	28.5
56	Belgrade Central Serbia, Serbia	28.4
57	Ban Khlong Prawet low-cost sensors Bangkok, Thailand	28.3
58	Ilinden Ilinden, North Macedonia	28.1
59	Ćuprija Central Serbia, Serbia	27.8
60	Benevento Campania, Italy	27.5
61	Baku Baki, Azerbaijan	27.1
62	Dębica Subcarpathia, Poland	26.9
63	Ourense Galicia, Spain	26.4
64	Astana Astana, Kazakhstan	26.2
65	Cluj-Napoca Cluj County, Romania	25.7
65	Bishkek low-cost sensors Bishkek, Kyrgyzstan	25.7
65	Alessandria Piedmont, Italy	25.7
68	Acerra Campania, Italy	25.6
69	Sremčica Central Serbia, Serbia	25.5
70	Jesi The Marches, Italy	25.4
71	Como Lombardy, Italy	25.0
71	Bra Piedmont, Italy	25.0
73	Erba Lombardy, Italy	24.9
74	Skarżysko-Kamienna Świętokrzyskie, Poland	24.6
74	Celaya Guanajuato, Mexico	24.6
76	Wan Chai Wan Chai, Hong Kong	24.3
77	Badger Alaska, United States	24.0
78	Tuen Mun Tuen Mun, Hong Kong	23.9
78	Włocławek Kujawsko-Pomorskie, Poland	23.9
80	Rovereto Trentino-Alto Adige, Italy	23.7
80	Kourou Guyane, French Guiana	23.7
82	Botevgrad low-cost sensors Sofia, Bulgaria	23.6
82	Cayenne Guyane, French Guiana	23.6
84	Şabāḩ as Sālim Mubārak al Kabīr, Kuwait	23.4
84	Lima Lima Province, Peru	23.4
86	Kazincbarcika Borsod-Abaúj-Zemplén, Hungary	23.2
87	Miskolc Borsod-Abaúj-Zemplén, Hungary	23.1
87	Zgierz Łódź Voivodeship, Poland	23.1
87	Trento Trentino-Alto Adige, Italy	23.1
90	Kochani Kochani, North Macedonia	23.0
90	Ceglie Messapica Apulia, Italy	23.0
92	Żywiec Silesia, Poland	22.8
93	Przemyśl Subcarpathia, Poland	22.5
94	Vranov nad Topľou Prešov Region, Slovakia	22.0
95	Prešov Prešov Region, Slovakia	21.9
95	Falconara Marittima The Marches, Italy	21.9
97	Trebišov Košice Region, Slovakia	21.6
97	Thessaloníki Central Macedonia, Greece	21.6
99	Guangzhou Guangdong, China	21.3
99	Poznań Greater Poland, Poland	21.3
101	Košice Košice Region, Slovakia	21.2
101	Humenné Prešov Region, Slovakia	21.2
101	Santa Anita - Los Ficus Lima region, Peru	21.2
104	Athens Attica, Greece	21.0
104	Náchod Hradec Králové Region, Czechia	21.0
106	Katowice Silesia, Poland	20.9
107	Maspalomas Canary Islands, Spain	20.8
107	Racibórz Silesia, Poland	20.8
109	Kraków Lesser Poland, Poland	20.5
109	Kościan Greater Poland, Poland	20.5
111	Sevlievo low-cost sensors Gabrovo, Bulgaria	20.4
112	Kutno Łódź Voivodeship, Poland	20.2
112	Pesaro The Marches, Italy	20.2
112	Salamanca Guanajuato, Mexico	20.2
115	Asprópyrgos Attica, Greece	20.0
116	Pátra West Greece, Greece	19.9
116	Nisko Subcarpathia, Poland	19.9
116	Borgomanero Piedmont, Italy	19.9
119	Haskovo low-cost sensors Haskovo, Bulgaria	19.8
119	Bielsko-Biala Silesia, Poland	19.8
121	Jastrzębie Zdrój Silesia, Poland	19.7
122	Mong Kok Yau Tsim Mong District, Hong Kong	19.6
123	Naples Campania, Italy	19.4
124	Jarosław Subcarpathia, Poland	19.3
124	Irapuato Guanajuato, Mexico	19.3
126	Zamość Lublin, Poland	18.8
126	Kalisz Greater Poland, Poland	18.8
128	Manlleu Catalonia, Spain	18.7
129	Lučenec Banská Bystrica Region, Slovakia	18.5
129	Czechowice-Dziedzice Silesia, Poland	18.5
131	Mielec Subcarpathia, Poland	18.4
131	Mollet del Vallès Catalonia, Spain	18.4
131	Silao de la Victoria Guanajuato, Mexico	18.4
134	Novi Sad Vojvodina, Serbia	18.3
135	Pruszków Mazovia, Poland	18.2
135	Tin Shui Wai Yuen Long, Hong Kong	18.2
135	Lębork Pomerania, Poland	18.2
138	Radom Mazovia, Poland	18.1
138	Tsuen Wan Tsuen Wan, Hong Kong	18.1
138	Futog Vojvodina, Serbia	18.1
141	Legionowo Mazovia, Poland	18.0
142	Hamar Innlandet, Norway	17.9
143	Čadca Žilina Region, Slovakia	17.8
143	Kłodzko Lower Silesia, Poland	17.8
145	Antananarivo Analamanga, Madagascar	17.7
145	León de los Aldama Guanajuato, Mexico	17.7
147	Lublin Lublin, Poland	17.6
147	Łask Łódź Voivodeship, Poland	17.6
149	Starachowice Świętokrzyskie, Poland	17.5
149	Graz Styria, Austria	17.5
151	Bardejov Prešov Region, Slovakia	17.3
152	Żyrardów Mazovia, Poland	17.2
152	Siedlce Mazovia, Poland	17.2
152	Radomsko Łódź Voivodeship, Poland	17.2
155	Augustów Podlasie, Poland	17.1
155	Pristina Pristina, Kosovo	17.1
157	Łuków Lublin, Poland	17.0
157	San Tung Chung Hang Islands, Hong Kong	17.0
157	Las Palmas de Gran Canaria Canary Islands, Spain	17.0
157	Púchov Trenčín Region, Slovakia	17.0
161	Ruse Ruse, Bulgaria	16.8
161	Granadilla de Abona Canary Islands, Spain	16.8
161	Žilina Žilina Region, Slovakia	16.8
161	Fabriano The Marches, Italy	16.8
165	Bydgoszcz Kujawsko-Pomorskie, Poland	16.6
166	Bucharest Bucharest, Romania	16.5
166	Rzeszów Subcarpathia, Poland	16.5
166	Tai Po Tai Po, Hong Kong	16.5
166	Ancona The Marches, Italy	16.5
170	Klagenfurt am Wörthersee Carinthia, Austria	16.4
170	Sallanches Auvergne-Rhône-Alpes, France	16.4
170	Vigo Galicia, Spain	16.4
173	Iaşi Iași County, Romania	16.2
173	Bogotá Bogota D.C., Colombia	16.2
175	Santa Cruz de Tenerife Canary Islands, Spain	16.1
175	Kościerzyna Pomerania, Poland	16.1
175	Columbus Georgia, United States	16.1
178	Otwock Mazovia, Poland	16.0
178	Wolfsberg Carinthia, Austria	16.0
178	Děčín Ústí nad Labem Region, Czechia	16.0
178	Bolzano Trentino-Alto Adige, Italy	16.0
182	Craiova Dolj, Romania	15.9
182	Albany Georgia, United States	15.9
184	Sham Shui Po Sham Shui Po District, Hong Kong	15.7
184	Victoria Central and Western, Hong Kong	15.7
184	Łódź Łódź Voivodeship, Poland	15.7
187	Codlea Brașov County, Romania	15.5
187	Gabrovo low-cost sensors Gabrovo, Bulgaria	15.5
187	Monaco Municipality of Monaco, Monaco	15.5
187	Kędzierzyn-Koźle Opole Voivodeship, Poland	15.5
191	Agüimes Canary Islands, Spain	15.4
191	Płock Mazovia, Poland	15.4
191	Lleida Catalonia, Spain	15.4
194	Olsztyn Warmia-Masuria, Poland	15.3
194	Konstancin-Jeziorna Mazovia, Poland	15.3
194	San Isidro Canary Islands, Spain	15.3
194	Shikokuchūō Ehime, Japan	15.3
198	Ulu Bedok Singapore	15.2
198	Bohumín Moravian-Silesian Region, Czechia	15.2
198	Gdynia Pomerania, Poland	15.2

Top 200 of 2,003 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