SmogRank / History / week of October 2, 2023

Most polluted cities, week of October 2, 2023

1,805 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	Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan	299.6
2	N'Djamena N’Djaména, Chad	227.6
3	Zapopan Jalisco, Mexico	126.3
4	Lahore low-cost sensors Punjab, Pakistan	85.4
5	Delhi Delhi, India	60.3
6	Abuja low-cost sensors FCT, Nigeria	57.1
7	Jakarta Jakarta, Indonesia	55.0
8	Hyderabad Telangana, India	52.5
9	Bamako Bamako, Mali	47.7
10	Islamabad low-cost sensors Islamabad, Pakistan	46.2
11	Cairo Cairo, Egypt	45.2
12	Kolkata West Bengal, India	40.2
13	Dhaka low-cost sensors Dhaka Division, Bangladesh	39.4
14	Hanoi Hanoi, Vietnam	36.5
15	Santa Anita - Los Ficus Lima region, Peru	34.9
16	Dushanbe Dushanbe, Tajikistan	33.0
17	Karachi low-cost sensors Sindh, Pakistan	32.9
17	Astana Astana, Kazakhstan	32.9
19	Şabāḩ as Sālim Mubārak al Kabīr, Kuwait	32.2
19	Pristina Pristina, Kosovo	32.2
21	Mexicali Baja California, Mexico	31.6
22	Kuala Lumpur low-cost sensors Kuala Lumpur, Malaysia	31.2
22	Sarajevo Federation of B&H, Bosnia and Herzegovina	31.2
24	Salor Tashkent Region, Uzbekistan	30.3
25	Kampala low-cost sensors Central Region, Uganda	30.1
25	Manama Manama, Bahrain	30.1
25	Lima Lima Province, Peru	30.1
28	Ulu Bedok Singapore	28.1
29	Alessandria Piedmont, Italy	27.8
30	Mumbai Maharashtra, India	26.2
30	Las Palmas de Gran Canaria Canary Islands, Spain	26.2
32	Victoria de Durango Durango, Mexico	26.1
33	Antananarivo Analamanga, Madagascar	26.0
34	Ang Mo Kio New Town Singapore	25.6
35	Guangzhou Guangdong, China	25.1
36	Santa Cruz de Tenerife Canary Islands, Spain	24.4
37	Ashgabat Ashgabat, Turkmenistan	24.0
37	Villa Poeta José Gálvez Barrenechea Lima region, Peru	24.0
39	Queenstown Estate low-cost sensors Singapore	23.2
40	La Orotava Canary Islands, Spain	22.8
40	Callao Callao, Peru	22.8
42	Tetovo Tetovo, North Macedonia	22.5
42	San Salvador Tizatlalli México, Mexico	22.5
44	Beijing Beijing, China	22.3
44	Wan Chai Wan Chai, Hong Kong	22.3
46	Nairobi Nairobi County, Kenya	22.1
47	Granadilla de Abona Canary Islands, Spain	21.8
48	San Francisco Tlalcilalcalpan México, Mexico	21.4
49	Toluca México, Mexico	21.2
50	Naples Campania, Italy	20.9
51	Baku Baki, Azerbaijan	20.8
51	Tijuana Baja California, Mexico	20.8
53	Tlaquepaque Jalisco, Mexico	20.7
54	Huelva Andalusia, Spain	20.6
55	Tuen Mun Tuen Mun, Hong Kong	20.5
55	Maspalomas Canary Islands, Spain	20.5
57	Addis Ababa Addis Ababa, Ethiopia	20.3
57	Tha Bo Nong Khai, Thailand	20.3
59	Shenyang Liaoning, China	20.2
60	Hernando Mississippi, United States	20.0
61	Arrecife Canary Islands, Spain	19.6
62	Candelaria Canary Islands, Spain	19.4
62	Trento Trentino-Alto Adige, Italy	19.4
64	San Isidro Canary Islands, Spain	19.3
64	Falconara Marittima The Marches, Italy	19.3
66	Shakaskraal low-cost sensors KwaZulu-Natal, South Africa	19.0
67	San Roque Andalusia, Spain	18.9
68	Sliema Tas-Sliema, Malta	18.8
69	Agüimes Canary Islands, Spain	18.4
70	Thessaloníki Central Macedonia, Greece	18.3
71	Asprópyrgos Attica, Greece	18.2
71	Montemurlo Tuscany, Italy	18.2
73	Athens Attica, Greece	18.1
74	Santa Cruz de la Palma Canary Islands, Spain	17.9
75	Cuernavaca Morelos, Mexico	17.7
75	Guadalajara Jalisco, Mexico	17.7
75	Lakeland Florida, United States	17.7
78	Ponte Vedra Beach Florida, United States	17.5
79	Salamanca Guanajuato, Mexico	17.4
80	Rovereto Trentino-Alto Adige, Italy	17.3
80	La Spezia Liguria, Italy	17.3
80	Daytona Beach Florida, United States	17.3
83	Ingenio Canary Islands, Spain	17.2
83	San Francisco De Borja Lima region, Peru	17.2
85	Tin Shui Wai Yuen Long, Hong Kong	17.1
85	Żabbar Ħaż-Żabbar, Malta	17.1
87	Birmingham Alabama, United States	17.0
87	Ocala Florida, United States	17.0
89	Capannori Tuscany, Italy	16.9
90	Ruse Ruse, Bulgaria	16.8
90	Sevilla Andalusia, Spain	16.8
90	Móstoles Madrid, Spain	16.8
93	Belgrade Central Serbia, Serbia	16.6
93	Fanling North District, Hong Kong	16.6
93	Lugano Ticino, Switzerland	16.6
93	Valdemoro Madrid, Spain	16.6
93	Viareggio Tuscany, Italy	16.6
93	Florence Tuscany, Italy	16.6
99	Prato Tuscany, Italy	16.5
99	Pisa Tuscany, Italy	16.5
101	Bolzano Trentino-Alto Adige, Italy	16.4
101	Asunción low-cost sensors Asuncion, Paraguay	16.4
101	Albany Georgia, United States	16.4
104	Kwai Chung Kwai Tsing District, Hong Kong	16.3
104	Valdosta Georgia, United States	16.3
106	Tsuen Wan Tsuen Wan, Hong Kong	16.2
107	Alcalá de Henares Madrid, Spain	16.1
108	Almaty low-cost sensors Almaty, Kazakhstan	16.0
108	Mosta Il-Mosta, Malta	16.0
108	Lake Mary Florida, United States	16.0
111	Bitola Bitola, North Macedonia	15.9
111	San Tung Chung Hang Islands, Hong Kong	15.9
111	Durango Basque Country, Spain	15.9
111	Bilbao Basque Country, Spain	15.9
111	San Juan del Río Querétaro, Mexico	15.9
116	Pátra West Greece, Greece	15.8
116	La Línea de la Concepción Andalusia, Spain	15.8
116	Laudio / Llodio Basque Country, Spain	15.8
116	Salerno Campania, Italy	15.8
116	Bartlett Tennessee, United States	15.8
121	Skopje Grad Skopje, North Macedonia	15.7
121	Hanford California, United States	15.7
123	Woodlands Singapore	15.6
123	Fruit Cove Florida, United States	15.6
125	Tallahassee Florida, United States	15.5
126	Massa Tuscany, Italy	15.4
126	Cholula Puebla, Mexico	15.4
128	Livorno Tuscany, Italy	15.3
129	Winter Park Florida, United States	15.2
130	Little Rock Arkansas, United States	15.1
130	Fresno California, United States	15.1
132	East Lake Florida, United States	15.0
132	Tampa Florida, United States	15.0
134	Niš Central Serbia, Serbia	14.9
135	Sham Shui Po Sham Shui Po District, Hong Kong	14.8
135	Cuenca Castille-La Mancha, Spain	14.8
135	Civitanova Marche The Marches, Italy	14.8
135	Ferry Pass Florida, United States	14.8
139	Miskolc Borsod-Abaúj-Zemplén, Hungary	14.7
139	Bellinzona Ticino, Switzerland	14.7
139	Gasteiz / Vitoria Basque Country, Spain	14.7
139	Bonita Springs Florida, United States	14.7
143	Murcia Murcia, Spain	14.6
143	Venice Florida, United States	14.6
143	Midway Florida, United States	14.6
146	Acharnés Attica, Greece	14.5
146	Tai Po Tai Po, Hong Kong	14.5
146	Algiers Algiers, Algeria	14.5
146	Vigo Galicia, Spain	14.5
146	Collado-Villalba Madrid, Spain	14.5
146	Ancona The Marches, Italy	14.5
152	Telde Canary Islands, Spain	14.4
152	Coslada Madrid, Spain	14.4
152	Grosseto Tuscany, Italy	14.4
152	Ciudad Apodaca Nuevo León, Mexico	14.4
152	Jacksonville Florida, United States	14.4
152	Hattiesburg Mississippi, United States	14.4
152	Anaheim California, United States	14.4
159	Mong Kok Yau Tsim Mong District, Hong Kong	14.3
159	Nagai Yamagata, Japan	14.3
159	Morelia Michoacán, Mexico	14.3
162	Khalándrion Attica, Greece	14.2
162	Kathmandu low-cost sensors Bagmati Province, Nepal	14.2
162	Nice Provence-Alpes-Côte d'Azur, France	14.2
162	Pesaro The Marches, Italy	14.2
162	Jackson Mississippi, United States	14.2
167	Veles Veles, North Macedonia	14.1
167	Izegem Flanders, Belgium	14.1
169	Kavadarci Kavadarci, North Macedonia	14.0
169	Graz Styria, Austria	14.0
171	Jesi The Marches, Italy	13.9
171	Coconut Creek Florida, United States	13.9
171	Pascagoula Mississippi, United States	13.9
171	Calexico California, United States	13.9
175	Baton Rouge Louisiana, United States	13.8
175	Bensalem Pennsylvania, United States	13.8
177	Sofia Sofia-Capital, Bulgaria	13.6
177	Puerto del Rosario Canary Islands, Spain	13.6
177	Córdoba Andalusia, Spain	13.6
177	São Paulo São Paulo, Brazil	13.6
177	Sarasota Florida, United States	13.6
177	Compton California, United States	13.6
183	Burgos Castille and León, Spain	13.5
183	Arezzo Tuscany, Italy	13.5
183	Celaya Guanajuato, Mexico	13.5
183	Gainesville Florida, United States	13.5
187	Sau Mau Ping Kwun Tong District, Hong Kong	13.4
187	Burriana Valencia, Spain	13.4
187	Saltillo Coahuila, Mexico	13.4
190	Sainte-Geneviève-des-Bois Île-de-France, France	13.3
190	Palencia Castille and León, Spain	13.3
190	Poggibonsi Tuscany, Italy	13.3
190	Valrico Florida, United States	13.3
190	Savannah Georgia, United States	13.3
190	Gulfport Mississippi, United States	13.3
190	Turlock California, United States	13.3
197	Piraeus Attica, Greece	13.2
197	Ilinden Ilinden, North Macedonia	13.2
197	Benevento Campania, Italy	13.2
200	Bailén Andalusia, Spain	13.1

Top 200 of 1,805 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