SmogRank / History / week of March 4, 2024

Most polluted cities, week of March 4, 2024

2,015 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	138.7
2	Dhaka low-cost sensors Dhaka Division, Bangladesh	129.9
3	Lahore low-cost sensors Punjab, Pakistan	111.5
4	Chiang Mai low-cost sensors Chiang Mai, Thailand	94.4
5	Kolkata West Bengal, India	89.0
6	Hanoi Hanoi, Vietnam	84.3
7	Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan	71.8
8	Dushanbe Dushanbe, Tajikistan	69.3
9	Delhi Delhi, India	65.3
10	Karachi low-cost sensors Sindh, Pakistan	63.8
11	Kathmandu low-cost sensors Bagmati Province, Nepal	58.4
12	Hyderabad Telangana, India	52.7
13	Beijing Beijing, China	51.7
14	Yangon Yangon, Myanmar	47.1
15	Siedlce Mazovia, Poland	45.4
15	Mumbai Maharashtra, India	45.4
17	Radomsko Łódź Voivodeship, Poland	42.8
18	Zamość Lublin, Poland	42.7
19	Banja Luka Srpska, Bosnia and Herzegovina	42.2
20	Otwock Mazovia, Poland	41.6
21	Włocławek Kujawsko-Pomorskie, Poland	41.4
22	Shenyang Liaoning, China	41.1
23	Łask Łódź Voivodeship, Poland	40.5
24	Kigali Kigali, Rwanda	40.4
25	Novi Pazar Central Serbia, Serbia	40.1
26	Skarżysko-Kamienna Świętokrzyskie, Poland	39.9
27	Colombo Western Province, Sri Lanka	39.8
28	Opole Opole Voivodeship, Poland	39.5
29	Salor Tashkent Region, Uzbekistan	39.2
30	Chennai Tamil Nadu, India	38.3
31	Kościan Greater Poland, Poland	37.7
32	Poznań Greater Poland, Poland	37.2
33	Baghdad Baghdad, Iraq	36.4
33	Zgierz Łódź Voivodeship, Poland	36.4
35	Przemyśl Subcarpathia, Poland	36.1
35	Szczecin West Pomerania, Poland	36.1
37	Racibórz Silesia, Poland	36.0
38	Legionowo Mazovia, Poland	35.8
39	Radom Mazovia, Poland	35.6
40	Kutno Łódź Voivodeship, Poland	35.5
41	Almaty low-cost sensors Almaty, Kazakhstan	35.3
42	Pruszków Mazovia, Poland	35.1
42	Kalisz Greater Poland, Poland	35.1
44	Starachowice Świętokrzyskie, Poland	34.9
45	Żyrardów Mazovia, Poland	34.6
46	Cairo Cairo, Egypt	33.8
47	Jarosław Subcarpathia, Poland	33.7
48	Działdowo Warmia-Masuria, Poland	33.6
49	Łuków Lublin, Poland	33.0
50	Jincheng Fukien, Taiwan	32.7
51	Kraków Lesser Poland, Poland	32.6
51	Pljevlja Pljevlja, Montenegro	32.6
53	Chaozhou Taiwan, Taiwan	32.5
54	Katowice Silesia, Poland	32.1
55	Gorzów Wielkopolski Lubusz, Poland	31.4
56	Užice Central Serbia, Serbia	31.2
57	Mielec Subcarpathia, Poland	31.1
58	Fengshan Takao, Taiwan	30.9
59	Bangkok low-cost sensors Bangkok, Thailand	30.8
60	Jastrzębie Zdrój Silesia, Poland	30.7
61	Konstancin-Jeziorna Mazovia, Poland	30.6
62	Grajewo Podlasie, Poland	30.4
62	Douliu Taiwan, Taiwan	30.4
64	Kędzierzyn-Koźle Opole Voivodeship, Poland	30.2
65	Celaya Guanajuato, Mexico	30.1
66	Zhushan Taiwan, Taiwan	29.9
67	Náchod Hradec Králové Region, Czechia	29.7
67	Kłodzko Lower Silesia, Poland	29.7
69	Lublin Lublin, Poland	29.6
70	Abuja low-cost sensors FCT, Nigeria	29.5
71	Iaşi Iași County, Romania	29.4
72	Sarajevo Federation of B&H, Bosnia and Herzegovina	29.3
73	Humenné Prešov Region, Slovakia	29.2
74	Rzeszów Subcarpathia, Poland	29.1
75	Kaohsiung Takao, Taiwan	28.9
76	Zemun Central Serbia, Serbia	28.8
77	Opava Moravian-Silesian Region, Czechia	28.7
78	Dej Cluj County, Romania	28.5
78	Nisko Subcarpathia, Poland	28.5
80	Jelenia Góra Lower Silesia, Poland	28.4
81	Wittenberg Saxony-Anhalt, Germany	28.3
82	Bydgoszcz Kujawsko-Pomorskie, Poland	28.2
83	Kazincbarcika Borsod-Abaúj-Zemplén, Hungary	27.7
83	Wrocław Lower Silesia, Poland	27.7
83	Kościerzyna Pomerania, Poland	27.7
86	Astana Astana, Kazakhstan	27.6
86	Teltow Brandenburg, Germany	27.6
88	Tetovo Tetovo, North Macedonia	27.5
88	Puli Taiwan, Taiwan	27.5
90	Bitola Bitola, North Macedonia	27.4
91	Şabāḩ as Sālim Mubārak al Kabīr, Kuwait	27.3
92	Łódź Łódź Voivodeship, Poland	27.2
93	Beigang Taiwan, Taiwan	27.1
93	Płock Mazovia, Poland	27.1
95	Warsaw Mazovia, Poland	27.0
95	Gostivar Gostivar, North Macedonia	27.0
97	Erlun Taiwan, Taiwan	26.8
97	Berlin State of Berlin, Germany	26.8
99	Erlin Taiwan, Taiwan	26.7
100	Ostrava Moravian-Silesian Region, Czechia	26.5
101	Halle (Saale) Saxony-Anhalt, Germany	26.4
102	Pułtusk Mazovia, Poland	26.3
102	Dessau Saxony-Anhalt, Germany	26.3
104	Taibao Taiwan, Taiwan	26.2
105	Prešov Prešov Region, Slovakia	26.1
106	Cottbus Brandenburg, Germany	26.0
106	Czechowice-Dziedzice Silesia, Poland	26.0
108	Baku Baki, Azerbaijan	25.9
109	Chiayi City Taiwan, Taiwan	25.7
109	Schwedt (Oder) Brandenburg, Germany	25.7
111	Český Těšín Moravian-Silesian Region, Czechia	25.6
112	Wawer Mazovia, Poland	25.5
112	Olsztyn Warmia-Masuria, Poland	25.5
112	Pančevo Vojvodina, Serbia	25.5
112	Obrenovac Central Serbia, Serbia	25.5
112	Tainan Taiwan, Taiwan	25.5
117	Yongkang Taiwan, Taiwan	25.4
117	Guangzhou Guangdong, China	25.4
117	Hildesheim Lower Saxony, Germany	25.4
117	Brandenburg an der Havel Brandenburg, Germany	25.4
117	Bielefeld North Rhine-Westphalia, Germany	25.4
117	Salamanca Guanajuato, Mexico	25.4
123	Kadaň Ústí nad Labem Region, Czechia	25.3
123	Bytów Pomerania, Poland	25.3
125	Vranov nad Topľou Prešov Region, Slovakia	25.2
126	Košice Košice Region, Slovakia	25.1
126	Nantou Taiwan, Taiwan	25.1
126	Havířov Moravian-Silesian Region, Czechia	25.1
126	Toruń Kujawsko-Pomorskie, Poland	25.1
130	Rinteln Lower Saxony, Germany	25.0
130	Münster North Rhine-Westphalia, Germany	25.0
130	Falkensee Brandenburg, Germany	25.0
133	Oldenburg Lower Saxony, Germany	24.9
133	Děčín Ústí nad Labem Region, Czechia	24.9
133	Bohumín Moravian-Silesian Region, Czechia	24.9
136	Unna North Rhine-Westphalia, Germany	24.8
136	Magdeburg Saxony-Anhalt, Germany	24.8
136	Bitterfeld-Wolfen Saxony-Anhalt, Germany	24.8
136	Beroun Central Bohemia, Czechia	24.8
140	Kampala low-cost sensors Central Region, Uganda	24.7
140	Frankfurt (Oder) Brandenburg, Germany	24.7
142	Yuanlin Taiwan, Taiwan	24.6
142	Kassel Hesse, Germany	24.6
142	Lučenec Banská Bystrica Region, Slovakia	24.6
145	Strausberg Brandenburg, Germany	24.4
145	Ústí nad Labem Ústí nad Labem Region, Czechia	24.4
145	Bogatynia Lower Silesia, Poland	24.4
148	Trebišov Košice Region, Slovakia	24.2
148	Luckenwalde Brandenburg, Germany	24.2
148	Blankenfelde-Mahlow Brandenburg, Germany	24.2
151	Evergem Flanders, Belgium	24.1
151	Potsdam Brandenburg, Germany	24.1
151	Göttingen Lower Saxony, Germany	24.1
151	Goslar Lower Saxony, Germany	24.1
151	Dortmund North Rhine-Westphalia, Germany	24.1
151	Datteln North Rhine-Westphalia, Germany	24.1
151	Pilsen Plzeň Region, Czechia	24.1
158	Eisenhüttenstadt Brandenburg, Germany	24.0
158	Most Ústí nad Labem Region, Czechia	24.0
160	Białystok Podlasie, Poland	23.9
160	Osnabrück Lower Saxony, Germany	23.9
160	Valašské Meziříčí Zlín, Czechia	23.9
163	Kladno Central Bohemia, Czechia	23.8
164	Xinying Taiwan, Taiwan	23.7
164	Weißenfels Saxony-Anhalt, Germany	23.7
164	Königs Wusterhausen Brandenburg, Germany	23.7
167	Hannover Lower Saxony, Germany	23.6
168	Wernigerode Saxony-Anhalt, Germany	23.5
168	Bernau bei Berlin Brandenburg, Germany	23.5
168	Třinec Moravian-Silesian Region, Czechia	23.5
171	Addis Ababa Addis Ababa, Ethiopia	23.4
171	Birmingham low-cost sensors England, United Kingdom	23.4
171	Mühlhausen Thuringia, Germany	23.4
171	Strzelce Opolskie Opole Voivodeship, Poland	23.4
175	Hagen North Rhine-Westphalia, Germany	23.3
175	Bottrop North Rhine-Westphalia, Germany	23.3
177	Krefeld North Rhine-Westphalia, Germany	23.2
178	Niš Central Serbia, Serbia	23.1
178	Duisburg North Rhine-Westphalia, Germany	23.1
178	Bremerhaven Bremen, Germany	23.1
181	Friesoythe Lower Saxony, Germany	23.0
181	Prague Prague, Czechia	23.0
181	Frýdek-Místek Moravian-Silesian Region, Czechia	23.0
184	Sremčica Central Serbia, Serbia	22.9
184	Oberhausen North Rhine-Westphalia, Germany	22.9
184	Hamburg Hamburg, Germany	22.9
187	Salzgitter Lower Saxony, Germany	22.8
188	Cluj-Napoca Cluj County, Romania	22.7
188	Kielce Świętokrzyskie, Poland	22.7
188	Mladá Boleslav Central Bohemia, Czechia	22.7
188	Litvínov Ústí nad Labem Region, Czechia	22.7
192	Shulin Taipei, Taiwan	22.6
192	Weimar Thuringia, Germany	22.6
192	Lubnjow Brandenburg, Germany	22.6
192	Jena Thuringia, Germany	22.6
192	Trnava Trnava Region, Slovakia	22.6
197	Delmenhorst Lower Saxony, Germany	22.5
197	Borken North Rhine-Westphalia, Germany	22.5
199	Kavadarci Kavadarci, North Macedonia	22.4
199	Halstenbek Schleswig-Holstein, Germany	22.4

Top 200 of 2,015 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