SmogRank / History / week of December 16, 2024

Most polluted cities, week of December 16, 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	350.0
2	Delhi Delhi, India	297.3
3	Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan	237.7
4	Dhaka low-cost sensors Dhaka Division, Bangladesh	237.0
5	Dushanbe Dushanbe, Tajikistan	199.0
6	N'Djamena N’Djaména, Chad	158.0
7	Islamabad low-cost sensors Islamabad, Pakistan	157.6
8	Ulan Bator Ulaanbaatar, Mongolia	154.4
9	Kolkata West Bengal, India	151.5
10	Sarajevo Federation of B&H, Bosnia and Herzegovina	117.7
11	Mumbai Maharashtra, India	102.9
12	Novi Pazar Central Serbia, Serbia	95.4
13	Kampala low-cost sensors Central Region, Uganda	90.9
14	Pirot Central Serbia, Serbia	89.1
15	Kathmandu low-cost sensors Bagmati Province, Nepal	88.8
16	Valjevo Central Serbia, Serbia	78.6
17	Kraljevo Central Serbia, Serbia	77.8
18	Abidjan low-cost sensors Abidjan Autonomous District, Ivory Coast	69.6
19	Negotin Central Serbia, Serbia	67.3
20	Niš Central Serbia, Serbia	63.9
21	Pančevo Vojvodina, Serbia	63.5
22	Užice Central Serbia, Serbia	63.1
23	Cairo Cairo, Egypt	61.1
24	Baghdad Baghdad, Iraq	60.7
25	Zemun Central Serbia, Serbia	59.2
26	Obrenovac Central Serbia, Serbia	59.0
27	Lazarevac Central Serbia, Serbia	58.7
28	Čačak Central Serbia, Serbia	57.5
29	Smederevo Central Serbia, Serbia	57.3
30	Accra low-cost sensors Greater Accra, Ghana	54.1
31	Chennai Tamil Nadu, India	54.0
32	Salor Tashkent Region, Uzbekistan	52.3
33	Kinshasa low-cost sensors Kinshasa, Democratic Republic of the Congo	50.2
34	Medina Estates low-cost sensors Greater Accra, Ghana	48.0
35	Belgrade Central Serbia, Serbia	47.4
36	Kragujevac Central Serbia, Serbia	46.4
37	Yerevan low-cost sensors Yerevan, Armenia	45.3
38	Jeddah Mecca Region, Saudi Arabia	45.2
38	Shanghai Shanghai, China	45.2
40	Zagreb low-cost sensors Zagreb, Croatia	43.5
41	Debrecen low-cost sensors Hajdú-Bihar, Hungary	43.1
42	Dej Cluj County, Romania	41.0
43	Maspalomas Canary Islands, Spain	39.8
44	Bangkok low-cost sensors Bangkok, Thailand	39.7
45	Tuen Mun Tuen Mun, Hong Kong	39.6
46	Antananarivo Analamanga, Madagascar	39.0
47	Sremčica Central Serbia, Serbia	38.7
48	Dubai low-cost sensors Dubai, United Arab Emirates	38.2
49	Santa Anita - Los Ficus Lima region, Peru	37.9
50	Codlea Brașov County, Romania	37.8
51	Manlleu Catalonia, Spain	37.7
52	Wan Chai Wan Chai, Hong Kong	37.4
53	Kigali Kigali, Rwanda	37.3
54	Guangzhou Guangdong, China	36.4
55	Tin Shui Wai Yuen Long, Hong Kong	34.9
56	Agüimes Canary Islands, Spain	34.8
57	San Tung Chung Hang Islands, Hong Kong	34.4
58	Ingenio Canary Islands, Spain	33.9
59	Almaty low-cost sensors Almaty, Kazakhstan	33.2
60	Ćuprija Central Serbia, Serbia	32.7
60	Shenyang Liaoning, China	32.7
62	Chaozhou Taiwan, Taiwan	32.5
63	Badger Alaska, United States	32.4
64	Chiang Mai low-cost sensors Chiang Mai, Thailand	32.1
65	Istanbul low-cost sensors Istanbul, Turkey	32.0
66	Tha Bo Nong Khai, Thailand	31.9
66	Nogales Arizona, United States	31.9
68	Bihać Federation of B&H, Bosnia and Herzegovina	31.4
69	Gorizia Friuli Venezia Giulia, Italy	31.2
70	Yangon Yangon, Myanmar	31.0
70	Futog Vojvodina, Serbia	31.0
72	Botevgrad low-cost sensors Sofia, Bulgaria	30.1
73	Kwai Chung Kwai Tsing District, Hong Kong	30.0
74	Thessaloníki Central Macedonia, Greece	29.8
75	Mong Kok Yau Tsim Mong District, Hong Kong	29.5
76	Tai Po Tai Po, Hong Kong	29.4
76	Celje Urban Municipality of Celje, Slovenia	29.4
78	Santa Cruz de Tenerife Canary Islands, Spain	29.3
79	Colombo Western Province, Sri Lanka	29.2
80	Puerto del Rosario Canary Islands, Spain	28.7
81	Jincheng Fukien, Taiwan	28.6
82	Tsuen Wan Tsuen Wan, Hong Kong	28.3
83	Victoria Central and Western, Hong Kong	28.2
84	Dhahran Eastern Province, Saudi Arabia	27.4
84	Fengshan Takao, Taiwan	27.4
84	Sham Shui Po Sham Shui Po District, Hong Kong	27.4
87	Şabāḩ as Sālim Mubārak al Kabīr, Kuwait	27.2
87	Kaohsiung Takao, Taiwan	27.2
87	Sha Tin Sha Tin, Hong Kong	27.2
90	Las Palmas de Gran Canaria Canary Islands, Spain	27.0
91	Sau Mau Ping Kwun Tong District, Hong Kong	26.9
92	Tijuana Baja California, Mexico	26.7
93	Jacobo Hunter Arequipa, Peru	26.6
94	Bakersfield California, United States	26.4
95	San Isidro Canary Islands, Spain	26.2
96	Athens Attica, Greece	25.7
96	Lleida Catalonia, Spain	25.7
98	Kazincbarcika Borsod-Abaúj-Zemplén, Hungary	25.5
98	Aberdeen Southern District, Hong Kong	25.5
100	Addis Ababa Addis Ababa, Ethiopia	25.2
101	Ruse Ruse, Bulgaria	24.7
102	Phoenix Arizona, United States	24.5
103	Nyíregyháza Szabolcs-Szatmár-Bereg, Hungary	24.4
103	Kranj Urban Municipality of Kranj, Slovenia	24.4
103	Koper Urban Municipality of Koper, Slovenia	24.4
106	Arona Canary Islands, Spain	24.3
107	Liberpolis County of Osijek-Baranja, Croatia	24.2
108	Graz Styria, Austria	24.0
109	Jurupa Valley California, United States	23.9
110	Cluj-Napoca Cluj County, Romania	23.8
111	Novi Sad Vojvodina, Serbia	23.6
112	Ljubljana Ljubljana, Slovenia	23.4
113	Xinying Taiwan, Taiwan	23.3
114	Telde Canary Islands, Spain	23.2
115	Miskolc Borsod-Abaúj-Zemplén, Hungary	23.1
115	Candelaria Canary Islands, Spain	23.1
117	Murcia Murcia, Spain	22.9
118	Baku Baki, Azerbaijan	22.5
118	Florin low-cost sensors California, United States	22.5
120	Molina de Segura Murcia, Spain	22.4
121	Ourense Galicia, Spain	21.8
121	Lima Lima Province, Peru	21.8
123	Beni Enzar Oriental, Morocco	21.5
124	Craiova Dolj, Romania	21.4
124	Tainan Taiwan, Taiwan	21.4
126	Yongkang Taiwan, Taiwan	21.3
126	Zhushan Taiwan, Taiwan	21.3
128	Wolfsberg Carinthia, Austria	21.2
129	Haskovo low-cost sensors Haskovo, Bulgaria	21.1
130	Granadilla de Abona Canary Islands, Spain	21.0
131	Beijing Beijing, China	20.8
131	Ptuj Urban Municipality of Ptuj, Slovenia	20.8
133	Chiayi City Taiwan, Taiwan	20.7
133	Zgierz Łódź Voivodeship, Poland	20.7
133	Palo Alto low-cost sensors California, United States	20.7
136	Douliu Taiwan, Taiwan	20.5
137	Los Angeles California, United States	20.4
138	Pátra West Greece, Greece	20.3
138	Bucharest Bucharest, Romania	20.3
140	Puli Taiwan, Taiwan	20.2
140	Pisco Ica, Peru	20.2
142	Ashgabat Ashgabat, Turkmenistan	20.1
142	Burbank California, United States	20.1
144	Compton California, United States	19.7
145	Erlun Taiwan, Taiwan	19.6
145	Trbovlje Municipality of Trbovlje, Slovenia	19.6
147	Lučenec Banská Bystrica Region, Slovakia	19.5
148	Novo Mesto Urban Municipality of Novo Mesto, Slovenia	19.4
148	Fresno California, United States	19.4
150	Algiers Algiers, Algeria	19.3
150	Santa Cruz de la Palma Canary Islands, Spain	19.3
152	Funchal Madeira, Portugal	19.2
152	Koprivnica Koprivnica-Križevci, Croatia	19.2
152	Riverside California, United States	19.2
155	Hanford California, United States	19.1
155	Turlock California, United States	19.1
157	Fontana California, United States	19.0
158	Prešov Prešov Region, Slovakia	18.9
158	Arrecife Canary Islands, Spain	18.9
158	Girona Catalonia, Spain	18.9
161	Košice Košice Region, Slovakia	18.8
161	Anaheim California, United States	18.8
161	Clovis California, United States	18.8
164	Chocope La Libertad, Peru	18.7
165	Hawthorne low-cost sensors California, United States	18.4
165	Madera California, United States	18.4
167	Amman Amman, Jordan	18.3
168	Sevlievo low-cost sensors Gabrovo, Bulgaria	18.2
168	Córdoba Andalusia, Spain	18.2
170	Valladolid Castille and León, Spain	18.1
171	Bailén Andalusia, Spain	18.0
171	Púchov Trenčín Region, Slovakia	18.0
173	Socorro Texas, United States	17.9
174	Asprópyrgos Attica, Greece	17.8
174	Dimitrovgrad low-cost sensors Haskovo, Bulgaria	17.8
174	Vigo Galicia, Spain	17.8
174	Millcreek Utah, United States	17.8
178	Augustów Podlasie, Poland	17.7
179	Nantou Taiwan, Taiwan	17.6
179	Silao de la Victoria Guanajuato, Mexico	17.6
179	Merced California, United States	17.6
179	Porterville California, United States	17.6
183	Torrejón de Ardoz Madrid, Spain	17.5
184	Manteca California, United States	17.4
185	Acharnés Attica, Greece	17.3
185	Klagenfurt am Wörthersee Carinthia, Austria	17.3
185	San Clemente Ica, Peru	17.3
188	Modesto California, United States	17.0
189	Beigang Taiwan, Taiwan	16.9
189	Carson low-cost sensors California, United States	16.9
191	Collado-Villalba Madrid, Spain	16.8
191	Long Beach California, United States	16.8
193	Taibao Taiwan, Taiwan	16.7
193	Calgary Alberta, Canada	16.7
193	San Francisco De Borja Lima region, Peru	16.7
196	Iaşi Iași County, Romania	16.6
196	Fuenlabrada Madrid, Spain	16.6
196	Inglewood low-cost sensors California, United States	16.6
199	Neili Taiwan, Taiwan	16.5
199	Arucas Canary Islands, Spain	16.5

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