SmogRank / History / week of March 25, 2024

Most polluted cities, week of March 25, 2024

1,920 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	158.6
2	Delhi Delhi, India	86.8
3	Dhaka low-cost sensors Dhaka Division, Bangladesh	82.5
4	Lahore low-cost sensors Punjab, Pakistan	79.7
5	Beijing Beijing, China	68.6
6	Kathmandu low-cost sensors Bagmati Province, Nepal	65.1
7	Cairo Cairo, Egypt	63.2
8	Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan	58.1
9	San Pawl il-Baħar Saint Paul’s Bay, Malta	54.8
10	Hanoi Hanoi, Vietnam	47.2
11	Jakarta Jakarta, Indonesia	46.4
12	Tha Bo Nong Khai, Thailand	46.1
13	Żabbar Ħaż-Żabbar, Malta	44.7
14	Kigali Kigali, Rwanda	44.2
14	Yangon Yangon, Myanmar	44.2
16	Mosta Il-Mosta, Malta	43.4
17	Kolkata West Bengal, India	43.0
18	Hyderabad Telangana, India	42.5
19	Shenyang Liaoning, China	42.1
20	Novi Pazar Central Serbia, Serbia	38.3
21	Shanghai Shanghai, China	37.6
22	Baghdad Baghdad, Iraq	37.3
23	Algiers Algiers, Algeria	35.0
24	Traunreut Bavaria, Germany	33.8
25	Sarajevo Federation of B&H, Bosnia and Herzegovina	33.0
26	Karachi low-cost sensors Sindh, Pakistan	32.9
27	Mumbai Maharashtra, India	32.0
28	Działdowo Warmia-Masuria, Poland	31.7
29	Islamabad low-cost sensors Islamabad, Pakistan	29.9
30	Celaya Guanajuato, Mexico	29.3
31	Wittenberg Saxony-Anhalt, Germany	28.7
32	Guangzhou Guangdong, China	27.9
33	Ciudad Juárez Chihuahua, Mexico	27.5
34	Dessau Saxony-Anhalt, Germany	26.5
34	Santa Anita - Los Ficus Lima region, Peru	26.5
36	Zhushan Taiwan, Taiwan	26.1
36	Burghausen Bavaria, Germany	26.1
38	Dushanbe Dushanbe, Tajikistan	25.8
39	Athens Attica, Greece	25.7
40	Děčín Ústí nad Labem Region, Czechia	25.6
40	Rabinal Baja Verapaz, Guatemala	25.6
42	Valjevo Central Serbia, Serbia	25.4
43	Teltow Brandenburg, Germany	24.7
43	Włocławek Kujawsko-Pomorskie, Poland	24.7
45	Guatemala City Guatemala, Guatemala	24.6
46	Berlin State of Berlin, Germany	24.5
47	Halle (Saale) Saxony-Anhalt, Germany	24.2
48	Starnberg Bavaria, Germany	24.1
48	České Budějovice South Bohemian Region, Czechia	24.1
50	Užice Central Serbia, Serbia	24.0
51	Salamanca Guanajuato, Mexico	23.6
52	Douliu Taiwan, Taiwan	23.5
53	Yuanlin Taiwan, Taiwan	23.4
53	Puli Taiwan, Taiwan	23.4
55	Jeddah Mecca Region, Saudi Arabia	23.1
55	Chiayi City Taiwan, Taiwan	23.1
55	Kempten (Allgäu) Bavaria, Germany	23.1
58	Pirot Central Serbia, Serbia	22.9
58	Colombo Western Province, Sri Lanka	22.9
58	Belmopan Cayo District, Belize	22.9
61	Lindau Bavaria, Germany	22.8
62	Schwandorf in Bayern Bavaria, Germany	22.7
62	Kadaň Ústí nad Labem Region, Czechia	22.7
64	Most Ústí nad Labem Region, Czechia	22.6
65	Bitterfeld-Wolfen Saxony-Anhalt, Germany	22.5
66	Erlin Taiwan, Taiwan	22.4
66	Königs Wusterhausen Brandenburg, Germany	22.4
66	Bernburg Saxony-Anhalt, Germany	22.4
69	Frankfurt (Oder) Brandenburg, Germany	22.2
70	Taichung Taiwan, Taiwan	22.1
70	Szczecin West Pomerania, Poland	22.1
70	Lębork Pomerania, Poland	22.1
73	Beigang Taiwan, Taiwan	22.0
74	Manama Manama, Bahrain	21.8
74	Lubnjow Brandenburg, Germany	21.8
74	Kutno Łódź Voivodeship, Poland	21.8
77	Kladno Central Bohemia, Czechia	21.5
77	Beroun Central Bohemia, Czechia	21.5
79	Eisenhüttenstadt Brandenburg, Germany	21.4
80	Bernau bei Berlin Brandenburg, Germany	21.3
81	Asprópyrgos Attica, Greece	21.2
81	Jincheng Fukien, Taiwan	21.2
81	Český Těšín Moravian-Silesian Region, Czechia	21.2
84	Shulin Taipei, Taiwan	21.1
84	Nantou Taiwan, Taiwan	21.1
86	Taibao Taiwan, Taiwan	20.8
86	Litvínov Ústí nad Labem Region, Czechia	20.8
88	Şabāḩ as Sālim Mubārak al Kabīr, Kuwait	20.7
88	Yongkang Taiwan, Taiwan	20.7
88	Weiden Bavaria, Germany	20.7
91	Fengshan Takao, Taiwan	20.6
91	Köthen Saxony-Anhalt, Germany	20.6
91	Banja Luka Srpska, Bosnia and Herzegovina	20.6
94	Čadca Žilina Region, Slovakia	20.4
95	Zhudong Taiwan, Taiwan	20.3
95	Luckenwalde Brandenburg, Germany	20.3
95	Znojmo South Moravian, Czechia	20.3
98	Erlun Taiwan, Taiwan	20.2
98	Kościerzyna Pomerania, Poland	20.2
100	Addis Ababa Addis Ababa, Ethiopia	20.0
100	Zhubei Taiwan, Taiwan	20.0
100	Cottbus Brandenburg, Germany	20.0
100	Altenburg Thuringia, Germany	20.0
104	Pruszków Mazovia, Poland	19.9
104	Niš Central Serbia, Serbia	19.9
104	Augsburg Bavaria, Germany	19.9
107	Changhua Taiwan, Taiwan	19.8
107	Ulan Bator Ulaanbaatar, Mongolia	19.8
107	Burg bei Magdeburg Saxony-Anhalt, Germany	19.8
107	Brandenburg an der Havel Brandenburg, Germany	19.8
107	Blankenfelde-Mahlow Brandenburg, Germany	19.8
112	Hsinchu Taiwan, Taiwan	19.7
112	Martin Žilina Region, Slovakia	19.7
112	Zgierz Łódź Voivodeship, Poland	19.7
112	Poznań Greater Poland, Poland	19.7
116	Strausberg Brandenburg, Germany	19.6
116	Potsdam Brandenburg, Germany	19.6
116	Teplice Ústí nad Labem Region, Czechia	19.6
116	Prague Prague, Czechia	19.6
120	Pátra West Greece, Greece	19.5
120	Chennai Tamil Nadu, India	19.5
120	Toufen Taiwan, Taiwan	19.5
120	Hradec Králové Hradec Králové Region, Czechia	19.5
120	Gdynia Pomerania, Poland	19.5
125	Prievidza Trenčín Region, Slovakia	19.4
125	Třinec Moravian-Silesian Region, Czechia	19.4
125	Bohumín Moravian-Silesian Region, Czechia	19.4
128	Skarżysko-Kamienna Świętokrzyskie, Poland	19.3
128	Ostrava Moravian-Silesian Region, Czechia	19.3
130	Augustów Podlasie, Poland	19.2
131	Gera Thuringia, Germany	19.1
132	Accra low-cost sensors Greater Accra, Ghana	19.0
132	Falkensee Brandenburg, Germany	19.0
134	Ilinden Ilinden, North Macedonia	18.9
134	Neuenhagen Brandenburg, Germany	18.9
134	Pardubice Pardubice Region, Czechia	18.9
134	Opava Moravian-Silesian Region, Czechia	18.9
134	Gorzów Wielkopolski Lubusz, Poland	18.9
139	Coburg Bavaria, Germany	18.8
139	Frýdek-Místek Moravian-Silesian Region, Czechia	18.8
141	Kampala low-cost sensors Central Region, Uganda	18.7
141	Miskolc Borsod-Abaúj-Zemplén, Hungary	18.7
141	Kaohsiung Takao, Taiwan	18.7
141	Magdeburg Saxony-Anhalt, Germany	18.7
141	Kościan Greater Poland, Poland	18.7
141	Silao de la Victoria Guanajuato, Mexico	18.7
147	Xizhou Taiwan, Taiwan	18.6
148	Kavadarci Kavadarci, North Macedonia	18.5
148	Xinying Taiwan, Taiwan	18.5
148	Tainan Taiwan, Taiwan	18.5
148	Daxi Taiwan, Taiwan	18.5
148	Valašské Meziříčí Zlín, Czechia	18.5
148	Náchod Hradec Králové Region, Czechia	18.5
154	Taoyuan Taiwan, Taiwan	18.4
155	Ústí nad Labem Ústí nad Labem Region, Czechia	18.3
155	Mladá Boleslav Central Bohemia, Czechia	18.3
157	Antananarivo Analamanga, Madagascar	18.2
157	Pilsen Plzeň Region, Czechia	18.2
159	Grajewo Podlasie, Poland	18.1
159	Schwedt (Oder) Brandenburg, Germany	18.1
159	Greiz Thuringia, Germany	18.1
159	Katowice Silesia, Poland	18.1
159	Bydgoszcz Kujawsko-Pomorskie, Poland	18.1
159	Irapuato Guanajuato, Mexico	18.1
165	Siedlce Mazovia, Poland	18.0
165	Olsztyn Warmia-Masuria, Poland	18.0
165	Munich Bavaria, Germany	18.0
168	Neili Taiwan, Taiwan	17.9
168	Miaoli Taiwan, Taiwan	17.9
170	Legionowo Mazovia, Poland	17.8
170	Ćuprija Central Serbia, Serbia	17.8
170	Taipei Taiwan, Taiwan	17.8
170	Jelenia Góra Lower Silesia, Poland	17.8
174	New Taipei City Taipei, Taiwan	17.7
175	Żyrardów Mazovia, Poland	17.6
175	Kalisz Greater Poland, Poland	17.6
177	Saalfeld Thuringia, Germany	17.3
177	Gdańsk Pomerania, Poland	17.3
179	Salor Tashkent Region, Uzbekistan	17.2
180	Ashgabat Ashgabat, Turkmenistan	17.1
180	Buzi Taiwan, Taiwan	17.1
180	Nordhausen Thuringia, Germany	17.1
180	Bielsko-Biala Silesia, Poland	17.1
180	Monterrey Nuevo León, Mexico	17.1
185	Kelheim Bavaria, Germany	17.0
185	Racibórz Silesia, Poland	17.0
185	Bihać Federation of B&H, Bosnia and Herzegovina	17.0
188	Łask Łódź Voivodeship, Poland	16.9
189	Kleinmachnow Brandenburg, Germany	16.8
189	Travnik Federation of B&H, Bosnia and Herzegovina	16.8
191	Chaozhou Taiwan, Taiwan	16.7
191	Bytów Pomerania, Poland	16.7
191	Kansas City Kansas, United States	16.7
194	Otwock Mazovia, Poland	16.6
194	Łuków Lublin, Poland	16.6
194	Smederevo Central Serbia, Serbia	16.6
194	Weißenfels Saxony-Anhalt, Germany	16.6
194	Ingolstadt Bavaria, Germany	16.6
194	Wrocław Lower Silesia, Poland	16.6
194	Jastrzębie Zdrój Silesia, Poland	16.6

Top 200 of 1,920 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