SmogRank / History / week of October 21, 2024

Most polluted cities, week of October 21, 2024

2,027 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	204.4
2	Delhi Delhi, India	142.3
3	Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan	112.9
4	Negotin Central Serbia, Serbia	98.9
5	Kampala low-cost sensors Central Region, Uganda	86.4
6	Beijing Beijing, China	76.8
7	Kinshasa low-cost sensors Kinshasa, Democratic Republic of the Congo	74.0
8	Banja Luka Srpska, Bosnia and Herzegovina	73.7
9	Islamabad low-cost sensors Islamabad, Pakistan	63.2
10	N'Djamena N’Djaména, Chad	62.7
11	Dhaka low-cost sensors Dhaka Division, Bangladesh	59.4
12	Hyderabad Telangana, India	58.5
13	Kraljevo Central Serbia, Serbia	56.6
14	Mumbai Maharashtra, India	52.9
15	Novi Pazar Central Serbia, Serbia	50.6
16	Užice Central Serbia, Serbia	49.9
17	Lazarevac Central Serbia, Serbia	49.0
18	Hanoi Hanoi, Vietnam	48.4
19	Valjevo Central Serbia, Serbia	46.6
20	Kolkata West Bengal, India	46.4
21	Smederevo Central Serbia, Serbia	45.1
22	Obrenovac Central Serbia, Serbia	43.7
23	Čačak Central Serbia, Serbia	43.6
24	Dushanbe Dushanbe, Tajikistan	43.4
25	Dubai low-cost sensors Dubai, United Arab Emirates	43.1
26	Debrecen low-cost sensors Hajdú-Bihar, Hungary	42.4
27	Cairo Cairo, Egypt	40.9
28	Lublin Lublin, Poland	40.6
29	Włocławek Kujawsko-Pomorskie, Poland	40.4
30	Kielce Świętokrzyskie, Poland	40.3
31	Kathmandu low-cost sensors Bagmati Province, Nepal	40.2
32	Skarżysko-Kamienna Świętokrzyskie, Poland	40.1
33	Codlea Brașov County, Romania	39.9
34	Kragujevac Central Serbia, Serbia	39.2
35	Niš Central Serbia, Serbia	38.8
36	Zemun Central Serbia, Serbia	38.3
37	Otwock Mazovia, Poland	37.4
38	Starachowice Świętokrzyskie, Poland	37.2
39	Działdowo Warmia-Masuria, Poland	37.1
40	Baghdad Baghdad, Iraq	36.9
41	Salor Tashkent Region, Uzbekistan	36.6
42	Czechowice-Dziedzice Silesia, Poland	36.2
43	Chennai Tamil Nadu, India	36.0
44	Zgierz Łódź Voivodeship, Poland	35.7
45	Antananarivo Analamanga, Madagascar	35.3
45	Racibórz Silesia, Poland	35.3
47	Nyíregyháza Szabolcs-Szatmár-Bereg, Hungary	35.1
48	Nisko Subcarpathia, Poland	34.9
49	Futog Vojvodina, Serbia	34.5
50	Novi Sad Vojvodina, Serbia	34.2
51	Pirot Central Serbia, Serbia	33.2
51	Sarajevo Federation of B&H, Bosnia and Herzegovina	33.2
53	Kutno Łódź Voivodeship, Poland	33.0
54	Kościan Greater Poland, Poland	32.8
55	Łuków Lublin, Poland	32.7
56	Şabāḩ as Sālim Mubārak al Kabīr, Kuwait	32.6
57	Jastrzębie Zdrój Silesia, Poland	32.0
58	Zamość Lublin, Poland	31.9
59	Jakarta Jakarta, Indonesia	31.6
60	Żywiec Silesia, Poland	31.4
61	Bielsko-Biala Silesia, Poland	31.3
62	Kalisz Greater Poland, Poland	31.1
63	Santa Anita - Los Ficus Lima region, Peru	31.0
64	Kazincbarcika Borsod-Abaúj-Zemplén, Hungary	29.9
64	Augustów Podlasie, Poland	29.9
66	Przemyśl Subcarpathia, Poland	29.7
67	Miskolc Borsod-Abaúj-Zemplén, Hungary	29.4
67	Pruszków Mazovia, Poland	29.4
67	Łask Łódź Voivodeship, Poland	29.4
70	Jarosław Subcarpathia, Poland	29.2
71	Legionowo Mazovia, Poland	28.8
72	Belgrade Central Serbia, Serbia	28.7
72	Olomouc Olomouc Region, Czechia	28.7
72	Poznań Greater Poland, Poland	28.7
72	Bydgoszcz Kujawsko-Pomorskie, Poland	28.7
76	Kraków Lesser Poland, Poland	28.6
77	Ćuprija Central Serbia, Serbia	28.5
78	Żyrardów Mazovia, Poland	28.2
79	Kigali Kigali, Rwanda	28.1
80	Iaşi Iași County, Romania	27.9
80	Radom Mazovia, Poland	27.9
82	Kościerzyna Pomerania, Poland	27.8
83	Elbląg Warmia-Masuria, Poland	27.6
84	Warsaw Mazovia, Poland	27.5
85	Pułtusk Mazovia, Poland	27.4
86	Cluj-Napoca Cluj County, Romania	27.3
86	Birmingham Alabama, United States	27.3
88	Katowice Silesia, Poland	27.2
89	Grajewo Podlasie, Poland	27.1
90	Pančevo Vojvodina, Serbia	27.0
91	Wawer Mazovia, Poland	26.8
91	Bangkok low-cost sensors Bangkok, Thailand	26.8
93	Konstancin-Jeziorna Mazovia, Poland	26.7
94	Łódź Łódź Voivodeship, Poland	26.6
95	Radomsko Łódź Voivodeship, Poland	26.5
96	Vereeniging low-cost sensors Gauteng, South Africa	26.3
97	Olsztyn Warmia-Masuria, Poland	26.1
98	Dębica Subcarpathia, Poland	25.5
98	Púchov Trenčín Region, Slovakia	25.5
98	Lučenec Banská Bystrica Region, Slovakia	25.5
98	Płock Mazovia, Poland	25.5
102	Bucharest Bucharest, Romania	25.4
103	Wan Chai Wan Chai, Hong Kong	25.2
104	Sremčica Central Serbia, Serbia	25.1
105	Szczecin West Pomerania, Poland	24.9
105	Gorzów Wielkopolski Lubusz, Poland	24.9
107	Prešov Prešov Region, Slovakia	24.4
108	Jacobo Hunter Arequipa, Peru	24.3
109	Náchod Hradec Králové Region, Czechia	24.2
110	Toruń Kujawsko-Pomorskie, Poland	23.7
110	Świecie Kujawsko-Pomorskie, Poland	23.7
112	Tuen Mun Tuen Mun, Hong Kong	23.6
112	Kłodzko Lower Silesia, Poland	23.6
114	Kędzierzyn-Koźle Opole Voivodeship, Poland	23.4
115	Guangzhou Guangdong, China	23.3
115	Ružomberok Žilina Region, Slovakia	23.3
117	Rzeszów Subcarpathia, Poland	23.2
117	Bartlett Tennessee, United States	23.2
119	Martin Žilina Region, Slovakia	22.7
119	Gdynia Pomerania, Poland	22.7
121	Ruse Ruse, Bulgaria	22.6
122	Zielona Góra Lubusz, Poland	22.5
122	Gdańsk Pomerania, Poland	22.5
124	Visalia California, United States	22.3
125	Pezinok Bratislava Region, Slovakia	22.2
125	Tijuana Baja California, Mexico	22.2
127	Hernando Mississippi, United States	22.1
128	Veszprém Veszprém, Hungary	22.0
129	Shanghai Shanghai, China	21.7
129	Jurupa Valley California, United States	21.7
131	Košice Košice Region, Slovakia	21.6
132	Zvolen Banská Bystrica Region, Slovakia	21.4
133	Tin Shui Wai Yuen Long, Hong Kong	21.3
133	Pécs Baranya, Hungary	21.3
135	Jurong West Singapore	21.2
136	Trebišov Košice Region, Slovakia	21.1
137	Istanbul low-cost sensors Istanbul, Turkey	20.9
137	Quezon City low-cost sensors National Capital Region, Philippines	20.9
137	Fanling North District, Hong Kong	20.9
137	Wrocław Lower Silesia, Poland	20.9
137	Bytów Pomerania, Poland	20.9
142	Fengshan Takao, Taiwan	20.8
142	Teltow Brandenburg, Germany	20.8
144	Sopot Pomerania, Poland	20.7
145	Tha Bo Nong Khai, Thailand	20.5
145	Ang Mo Kio New Town Singapore	20.5
147	Vranov nad Topľou Prešov Region, Slovakia	20.4
148	Almaty low-cost sensors Almaty, Kazakhstan	20.3
148	Esztergom Komárom-Esztergom, Hungary	20.3
150	Botevgrad low-cost sensors Sofia, Bulgaria	20.1
151	Craiova Dolj, Romania	20.0
151	Dunaújváros Fejér, Hungary	20.0
151	Little Rock Arkansas, United States	20.0
154	Žilina Žilina Region, Slovakia	19.8
154	Strzelce Opolskie Opole Voivodeship, Poland	19.8
156	Jelenia Góra Lower Silesia, Poland	19.7
157	Berlin State of Berlin, Germany	19.6
157	San Clemente Ica, Peru	19.6
159	Białystok Podlasie, Poland	19.5
159	Chaozhou Taiwan, Taiwan	19.5
159	Nitra Nitra Region, Slovakia	19.5
162	Medina Estates low-cost sensors Greater Accra, Ghana	19.4
162	Monterrey Nuevo León, Mexico	19.4
164	Klaipėda Klaipėda County, Lithuania	19.3
164	Pristina Pristina, Kosovo	19.3
166	Komárno Nitra Region, Slovakia	19.2
166	Opole Opole Voivodeship, Poland	19.2
168	San Tung Chung Hang Islands, Hong Kong	19.1
168	Bitterfeld-Wolfen Saxony-Anhalt, Germany	19.1
170	Bardejov Prešov Region, Slovakia	19.0
171	Jasło Subcarpathia, Poland	18.9
171	Bratislava Bratislava Region, Slovakia	18.9
171	Columbus Georgia, United States	18.9
174	Neubrandenburg Mecklenburg-Vorpommern, Germany	18.7
175	Trenčín Trenčín Region, Slovakia	18.6
176	Ełk Warmia-Masuria, Poland	18.5
176	Senica Trnava Region, Slovakia	18.5
176	Augusta Georgia, United States	18.5
179	Humenné Prešov Region, Slovakia	18.4
180	Tai Po Tai Po, Hong Kong	18.3
181	Szeged Csongrád, Hungary	18.2
181	Ourense Galicia, Spain	18.2
181	Villa Poeta José Gálvez Barrenechea Lima region, Peru	18.2
184	Kołobrzeg West Pomerania, Poland	18.1
185	Mong Kok Yau Tsim Mong District, Hong Kong	18.0
186	Chiang Mai low-cost sensors Chiang Mai, Thailand	17.9
186	Worms Rheinland-Pfalz, Germany	17.9
186	Wittenberg Saxony-Anhalt, Germany	17.9
189	Addis Ababa Addis Ababa, Ethiopia	17.8
189	Valdosta Georgia, United States	17.8
189	Calexico California, United States	17.8
189	Los Angeles California, United States	17.8
189	Riverside California, United States	17.8
194	Kwai Chung Kwai Tsing District, Hong Kong	17.7
194	Nogales Arizona, United States	17.7
194	San Francisco De Borja Lima region, Peru	17.7
197	Sereď Trnava Region, Slovakia	17.6
198	Kaohsiung Takao, Taiwan	17.3
198	Trnava Trnava Region, Slovakia	17.3
198	Żary Lubusz, Poland	17.3

Top 200 of 2,027 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