SmogRank / History / week of December 25, 2023

Most polluted cities, week of December 25, 2023

1,886 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	303.1
2	Delhi Delhi, India	260.6
3	Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan	204.4
4	Dhaka low-cost sensors Dhaka Division, Bangladesh	191.1
5	Kolkata West Bengal, India	173.9
6	N'Djamena N’Djaména, Chad	147.2
7	Ulan Bator Ulaanbaatar, Mongolia	144.6
8	Abuja low-cost sensors FCT, Nigeria	141.4
9	Islamabad low-cost sensors Islamabad, Pakistan	136.9
10	Mumbai Maharashtra, India	115.4
11	Tetovo Tetovo, North Macedonia	111.6
12	Zapopan Jalisco, Mexico	106.5
13	Hyderabad Telangana, India	104.1
14	Karachi low-cost sensors Sindh, Pakistan	99.8
15	Niš Central Serbia, Serbia	97.5
16	Skopje Grad Skopje, North Macedonia	97.0
17	Salor Tashkent Region, Uzbekistan	96.2
18	Banja Luka Srpska, Bosnia and Herzegovina	91.5
19	Veles Veles, North Macedonia	89.6
20	Lagos low-cost sensors Lagos, Nigeria	88.2
21	Sarajevo Federation of B&H, Bosnia and Herzegovina	82.4
22	Kavadarci Kavadarci, North Macedonia	82.3
23	Shenyang Liaoning, China	81.8
24	Manlleu Catalonia, Spain	72.1
25	Bitola Bitola, North Macedonia	69.8
26	Dushanbe Dushanbe, Tajikistan	66.7
27	Kampala low-cost sensors Central Region, Uganda	64.3
28	Ilinden Ilinden, North Macedonia	63.6
29	Belgrade Central Serbia, Serbia	61.5
30	Kathmandu low-cost sensors Bagmati Province, Nepal	60.3
31	Pristina Pristina, Kosovo	58.2
32	Capannori Tuscany, Italy	54.1
33	Guangzhou Guangdong, China	53.8
34	Ciudad Benito Juárez Nuevo León, Mexico	53.4
35	Dej Cluj County, Romania	49.5
36	Jakarta Jakarta, Indonesia	48.8
37	Spišská Nová Ves Košice Region, Slovakia	48.4
38	Chennai Tamil Nadu, India	48.1
39	Murcia Murcia, Spain	48.0
40	Algiers Algiers, Algeria	45.1
40	Benevento Campania, Italy	45.1
42	Volos Thessaly, Greece	44.8
43	Thessaloníki Central Macedonia, Greece	44.2
44	Bangkok low-cost sensors Bangkok, Thailand	43.9
44	Tuen Mun Tuen Mun, Hong Kong	43.9
44	San Francisco Tlalcilalcalpan México, Mexico	43.9
47	Montemurlo Tuscany, Italy	43.4
48	Lleida Catalonia, Spain	42.9
49	Athens Attica, Greece	42.8
50	Chiang Mai low-cost sensors Chiang Mai, Thailand	42.5
51	Mollet del Vallès Catalonia, Spain	41.1
52	Kochani Kochani, North Macedonia	40.7
53	Yangon Yangon, Myanmar	39.9
54	Tin Shui Wai Yuen Long, Hong Kong	38.4
55	Valdemoro Madrid, Spain	37.1
56	Victoria de Durango Durango, Mexico	36.7
57	Wan Chai Wan Chai, Hong Kong	35.9
58	Cluj-Napoca Cluj County, Romania	35.6
59	Haskovo low-cost sensors Haskovo, Bulgaria	35.3
60	Bailén Andalusia, Spain	35.0
61	Alessandria Piedmont, Italy	34.8
62	Torrevieja Valencia, Spain	34.3
63	Guadalajara Jalisco, Mexico	34.0
64	Iaşi Iași County, Romania	33.8
65	Mexicali Baja California, Mexico	33.7
66	Şabāḩ as Sālim Mubārak al Kabīr, Kuwait	33.4
67	Botevgrad low-cost sensors Sofia, Bulgaria	32.8
68	Cholula Puebla, Mexico	32.7
68	Tijuana Baja California, Mexico	32.7
70	Kigali Kigali, Rwanda	32.4
70	Ciudad Apodaca Nuevo León, Mexico	32.4
72	Tsuen Wan Tsuen Wan, Hong Kong	31.5
73	Almaty low-cost sensors Almaty, Kazakhstan	31.3
74	Turin Piedmont, Italy	30.8
75	Cartagena Murcia, Spain	30.4
75	Prato Tuscany, Italy	30.4
77	Novi Sad Vojvodina, Serbia	30.3
78	Kazincbarcika Borsod-Abaúj-Zemplén, Hungary	30.0
79	Mong Kok Yau Tsim Mong District, Hong Kong	29.6
79	Toluca México, Mexico	29.6
81	Sevilla Andalusia, Spain	29.5
82	Jurupa Valley California, United States	28.5
83	Celaya Guanajuato, Mexico	28.3
84	Piraeus Attica, Greece	28.0
84	Pátra West Greece, Greece	28.0
86	Phoenix Arizona, United States	27.6
87	Graz Styria, Austria	27.5
88	Miskolc Borsod-Abaúj-Zemplén, Hungary	27.2
88	Ciudad General Escobedo Nuevo León, Mexico	27.2
90	Kwai Chung Kwai Tsing District, Hong Kong	27.0
90	Arezzo Tuscany, Italy	27.0
92	Victoria Central and Western, Hong Kong	26.6
93	Collado-Villalba Madrid, Spain	26.4
94	Grenoble Auvergne-Rhône-Alpes, France	26.3
95	Sham Shui Po Sham Shui Po District, Hong Kong	26.2
95	Córdoba Andalusia, Spain	26.2
97	Ciudad Real Castille-La Mancha, Spain	26.1
97	Avignon Provence-Alpes-Côte d'Azur, France	26.1
99	Tai Po Tai Po, Hong Kong	26.0
100	Compton California, United States	25.9
101	Bakersfield California, United States	25.3
102	Ourense Galicia, Spain	25.2
103	Móstoles Madrid, Spain	25.0
104	Granada Andalusia, Spain	24.9
105	Sallanches Auvergne-Rhône-Alpes, France	24.8
106	Nyíregyháza Szabolcs-Szatmár-Bereg, Hungary	24.7
107	Cadereyta Jiménez Nuevo León, Mexico	24.5
107	Santa Catarina Nuevo León, Mexico	24.5
109	Zacatepec de Hidalgo Morelos, Mexico	24.4
109	San Salvador Tizatlalli México, Mexico	24.4
111	Wolfsberg Carinthia, Austria	24.3
112	Rovereto Trentino-Alto Adige, Italy	24.2
112	Hawthorne low-cost sensors California, United States	24.2
114	Acharnés Attica, Greece	24.0
115	Meylan Auvergne-Rhône-Alpes, France	23.9
115	Millcreek Utah, United States	23.9
117	Humenné Prešov Region, Slovakia	23.7
117	Sha Tin Sha Tin, Hong Kong	23.7
117	Arles Provence-Alpes-Côte d'Azur, France	23.7
117	Jesi The Marches, Italy	23.7
121	Pisa Tuscany, Italy	23.6
121	Naples Campania, Italy	23.6
123	Asprópyrgos Attica, Greece	23.5
123	Riverside California, United States	23.5
125	Sau Mau Ping Kwun Tong District, Hong Kong	23.4
125	Bolzano Trentino-Alto Adige, Italy	23.4
125	Irapuato Guanajuato, Mexico	23.4
128	Gabrovo low-cost sensors Gabrovo, Bulgaria	23.2
128	Nogales Arizona, United States	23.2
130	Tanushimarumachi-toyoki Fukuoka, Japan	23.1
130	Tarbes Occitanie, France	23.1
132	Košice Košice Region, Slovakia	23.0
132	Trento Trentino-Alto Adige, Italy	23.0
134	Amora Setúbal, Portugal	22.8
134	Silao de la Victoria Guanajuato, Mexico	22.8
134	Ciudad Juárez Chihuahua, Mexico	22.8
134	Badger Alaska, United States	22.8
138	Ceglie Messapica Apulia, Italy	22.7
139	Madrid Madrid, Spain	22.6
140	Carson low-cost sensors California, United States	22.5
141	Colombo Western Province, Sri Lanka	22.4
141	Valencia Valencia, Spain	22.4
141	Lourdes Occitanie, France	22.4
144	Jaén Andalusia, Spain	22.3
145	Fanling North District, Hong Kong	22.0
145	Coslada Madrid, Spain	22.0
145	Barcelona Catalonia, Spain	22.0
145	Stockton California, United States	22.0
145	Butte Montana, United States	22.0
145	West Jordan Utah, United States	22.0
151	Romans-sur-Isère Auvergne-Rhône-Alpes, France	21.9
152	Maebaru-chūō Fukuoka, Japan	21.7
152	Gardanne Provence-Alpes-Côte d'Azur, France	21.7
152	Fréjus Provence-Alpes-Côte d'Azur, France	21.7
152	Caserta Campania, Italy	21.7
152	Fontana California, United States	21.7
157	Bucharest Bucharest, Romania	21.6
158	Higashigō Saga, Japan	21.5
159	Klagenfurt am Wörthersee Carinthia, Austria	21.4
159	Hanford California, United States	21.4
161	Nîmes Occitanie, France	21.3
162	Szeged Csongrád, Hungary	21.2
162	Cacém Lisbon, Portugal	21.2
164	Prešov Prešov Region, Slovakia	21.1
164	Zvolen Banská Bystrica Region, Slovakia	21.1
164	Anaheim California, United States	21.1
167	Monaco Municipality of Monaco, Monaco	21.0
167	Fresno California, United States	21.0
167	Visalia California, United States	21.0
170	Addis Ababa Addis Ababa, Ethiopia	20.8
171	Chikugo Fukuoka, Japan	20.7
172	Florence Tuscany, Italy	20.6
173	Miyakonojō Miyazaki, Japan	20.5
174	Ōmuta Fukuoka, Japan	20.4
174	Montpellier Occitanie, France	20.4
174	San Martin Texmelucan de Labastida Puebla, Mexico	20.4
177	Craiova Dolj, Romania	20.3
177	Yanagawa Fukuoka, Japan	20.3
177	Viareggio Tuscany, Italy	20.3
180	Falconara Marittima The Marches, Italy	20.1
181	Yachimata Chiba, Japan	20.0
181	Chikusei Ibaraki, Japan	20.0
183	Castres Occitanie, France	19.9
184	Kurume Fukuoka, Japan	19.8
185	Ruse Ruse, Bulgaria	19.7
186	Győr Győr-Moson-Sopron, Hungary	19.6
186	Žilina Žilina Region, Slovakia	19.6
186	Ružomberok Žilina Region, Slovakia	19.6
186	Chihuahua Chihuahua, Mexico	19.6
186	Turlock California, United States	19.6
191	Aberdeen Southern District, Hong Kong	19.5
191	Glendale Arizona, United States	19.5
191	Modesto California, United States	19.5
191	San Diego California, United States	19.5
191	Torrance low-cost sensors California, United States	19.5
196	Kanzakimachi-kanzaki Saga, Japan	19.4
196	Calexico California, United States	19.4
198	Toledo Castille-La Mancha, Spain	19.3
199	Prievidza Trenčín Region, Slovakia	19.2
199	Cuenca Castille-La Mancha, Spain	19.2

Top 200 of 1,886 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