SmogRank / History / week of August 24, 2026

Most polluted cities, week of August 24, 2026

2,172 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	Palembang low-cost sensors South Sumatra, Indonesia	132.3
2	Kuala Lumpur low-cost sensors Kuala Lumpur, Malaysia	75.1
3	Kinshasa low-cost sensors Kinshasa, Democratic Republic of the Congo	71.9
4	Karonga low-cost sensors Northern Region, Malawi	66.4
5	Gujranwala low-cost sensors Punjab, Pakistan	63.6
6	Kampala low-cost sensors Central Region, Uganda	58.0
7	Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan	52.4
8	Mzuzu low-cost sensors Northern Region, Malawi	50.6
9	Zomba low-cost sensors Southern Region, Malawi	50.2
10	Lahore low-cost sensors Punjab, Pakistan	49.5
11	Blantyre low-cost sensors Southern Region, Malawi	47.9
12	Sialkot low-cost sensors Punjab, Pakistan	45.9
13	Jammu low-cost sensors Jammu and Kashmir, India	45.2
14	Dushanbe Dushanbe, Tajikistan	44.2
15	Delhi Delhi, India	41.6
16	Tabanan low-cost sensors Bali, Indonesia	41.3
17	Multan low-cost sensors Punjab, Pakistan	40.8
18	Ubud low-cost sensors Bali, Indonesia	40.1
19	Vereeniging low-cost sensors Gauteng, South Africa	40.0
20	Rawalpindi low-cost sensors Punjab, Pakistan	38.4
21	Faisalabad low-cost sensors Punjab, Pakistan	37.9
22	Dubai low-cost sensors Dubai, United Arab Emirates	37.1
23	Dalung low-cost sensors Bali, Indonesia	36.3
24	Islamabad low-cost sensors Islamabad, Pakistan	36.1
24	Dhaka low-cost sensors Dhaka Division, Bangladesh	36.1
26	Murree low-cost sensors Punjab, Pakistan	35.0
27	Rahim Yar Khan low-cost sensors Punjab, Pakistan	33.9
28	Singapore low-cost sensors Singapore	31.3
29	Beitbridge low-cost sensors Matabeleland South Province, Zimbabwe	31.1
30	Ashaiman low-cost sensors Greater Accra, Ghana	30.7
31	Iloilo low-cost sensors Western Visayas, Philippines	30.4
32	Istanbul low-cost sensors Istanbul, Turkey	30.2
33	Tuxtla Chiapas, Mexico	29.0
34	Srinagar Jammu and Kashmir, India	28.9
35	Nikšić Opština Nikšić, Montenegro	28.8
36	San Luis Potosí San Luis Potosí, Mexico	28.5
37	Lagos low-cost sensors Lagos, Nigeria	27.7
38	Ohrid Ohrid, North Macedonia	26.9
39	Hacienda Santa Fe Jalisco, Mexico	26.7
40	Saltillo Coahuila, Mexico	26.3
41	Jounieh low-cost sensors Mount Lebanon, Lebanon	25.9
41	Butwāl low-cost sensors Lumbini Province, Nepal	25.9
41	Calexico California, United States	25.9
44	Karachi low-cost sensors Sindh, Pakistan	25.8
45	Beirut low-cost sensors Beirut, Lebanon	25.2
46	Marigliano Campania, Italy	24.9
47	Gostivar Gostivar, North Macedonia	24.7
48	San Salvador Tizatlalli México, Mexico	24.6
49	Acerra Campania, Italy	24.5
50	Parque Industrial Ciudad Mitras Nuevo León, Mexico	23.4
51	Harare low-cost sensors Harare, Zimbabwe	23.2
52	Bahawalpur low-cost sensors Punjab, Pakistan	23.1
53	Asunción low-cost sensors Asuncion, Paraguay	22.7
54	Chennai Tamil Nadu, India	22.6
55	Atlixco Puebla, Mexico	22.5
56	Santa Anita Jalisco, Mexico	22.4
57	Sidon low-cost sensors South Governorate, Lebanon	22.1
58	Ciudad Nezahualcoyotl México, Mexico	21.9
59	Medina Estates low-cost sensors Greater Accra, Ghana	21.2
60	Cava Dè Tirreni Campania, Italy	21.1
60	Puebla Puebla, Mexico	21.1
62	Caserta Campania, Italy	21.0
63	Hyderabad low-cost sensors Sindh, Pakistan	20.9
64	Prilep Prilep, North Macedonia	20.5
64	Wenatchee Washington, United States	20.5
66	Sarajevo Federation of B&H, Bosnia and Herzegovina	20.4
66	Swift Current Saskatchewan, Canada	20.4
68	Nocera Inferiore Campania, Italy	20.3
69	Guadalajara Jalisco, Mexico	20.2
70	Quezon City low-cost sensors National Capital Region, Philippines	20.1
71	Bitola Bitola, North Macedonia	19.9
71	Quetta low-cost sensors Balochistan, Pakistan	19.9
73	Accra low-cost sensors Greater Accra, Ghana	19.5
74	Wan Chai Wan Chai, Hong Kong	19.4
75	Naucalpan de Juárez México, Mexico	19.3
76	Regina Saskatchewan, Canada	19.0
76	Saskatoon Saskatchewan, Canada	19.0
76	San Felice A Cancello Campania, Italy	19.0
79	Kojomkul low-cost sensors Chuy Region, Kyrgyzstan	18.7
79	Adenta low-cost sensors Greater Accra, Ghana	18.7
81	Burunday low-cost sensors Almaty Region, Kazakhstan	18.5
81	Ciudad General Escobedo Nuevo León, Mexico	18.5
83	Changchun low-cost sensors Jilin, China	18.4
84	Aguascalientes Aguascalientes, Mexico	18.3
84	Perrysburg Ohio, United States	18.3
86	Benevento Campania, Italy	18.0
87	Tetovo Tetovo, North Macedonia	17.7
87	Novi Pazar Central Serbia, Serbia	17.7
87	Abidjan low-cost sensors Abidjan Autonomous District, Ivory Coast	17.7
90	Mexico City Mexico City, Mexico	17.6
91	Santa Catarina Nuevo León, Mexico	17.5
92	Corcoran California, United States	17.4
93	Pljevlja Pljevlja, Montenegro	17.3
94	Mérida Yucatán, Mexico	17.2
95	Obrenovac Central Serbia, Serbia	17.1
95	Kavadarci Kavadarci, North Macedonia	17.1
95	Otegen Batyra low-cost sensors Almaty Region, Kazakhstan	17.1
95	Lebedinovka low-cost sensors Chuy Region, Kyrgyzstan	17.1
95	Naples Campania, Italy	17.1
100	Avellino Campania, Italy	17.0
101	Lárisa Thessaly, Greece	16.7
102	Tongaat low-cost sensors KwaZulu-Natal, South Africa	16.6
103	Silao de la Victoria Guanajuato, Mexico	16.5
104	Salamanca Guanajuato, Mexico	16.4
104	Wheaton low-cost sensors Illinois, United States	16.4
106	Hanford California, United States	16.3
106	Whittier California, United States	16.3
108	Casa Grande Arizona, United States	16.2
109	Redmond Oregon, United States	16.1
110	Freetown low-cost sensors Western Area, Sierra Leone	15.9
111	Ajaccio Corsica, France	15.8
111	Monterrey Nuevo León, Mexico	15.8
113	Yerevan low-cost sensors Yerevan, Armenia	15.7
113	Salerno Campania, Italy	15.7
113	Bijelo Polje Bijelo Polje, Montenegro	15.7
113	Wake Forest low-cost sensors North Carolina, United States	15.7
113	Fontana California, United States	15.7
113	Calgary Alberta, Canada	15.7
119	Skopje Grad Skopje, North Macedonia	15.6
119	Bishkek low-cost sensors Bishkek, Kyrgyzstan	15.6
121	Great Falls Montana, United States	15.5
122	Birkirkara low-cost sensors Birkirkara, Malta	15.4
122	Los Angeles California, United States	15.4
124	Jurupa Valley California, United States	15.3
125	Suceava Suceava, Romania	15.2
125	Fort Dodge Iowa, United States	15.2
127	Riverside California, United States	15.1
128	Kathmandu low-cost sensors Bagmati Province, Nepal	15.0
129	Dallas Texas, United States	14.9
129	Fresno California, United States	14.9
129	Visalia California, United States	14.9
132	Kardítsa Thessaly, Greece	14.8
132	Baku Baki, Azerbaijan	14.8
134	Tulancingo Hidalgo, Mexico	14.7
135	Tlaquepaque Jalisco, Mexico	14.6
135	Tijuana Baja California, Mexico	14.6
135	Ciudad Apodaca Nuevo León, Mexico	14.6
135	Granite City Illinois, United States	14.6
135	Iowa City Iowa, United States	14.6
140	Cuernavaca Morelos, Mexico	14.5
140	Lawrence low-cost sensors Kansas, United States	14.5
140	Tulsa Oklahoma, United States	14.5
140	Cedar Rapids Iowa, United States	14.5
140	El Paso Texas, United States	14.5
145	Mumbai Maharashtra, India	14.4
145	Mankato Minnesota, United States	14.4
145	Oconomowoc low-cost sensors Wisconsin, United States	14.4
148	Phuntsholing low-cost sensors Chukha, Bhutan	14.3
148	Yaoundé low-cost sensors Centre, Cameroon	14.3
148	Užice Central Serbia, Serbia	14.3
148	Laredo Texas, United States	14.3
148	Prince Albert Saskatchewan, Canada	14.3
153	Tehuacán Puebla, Mexico	14.2
153	Burbank California, United States	14.2
155	Mission Texas, United States	14.1
155	Peoria Illinois, United States	14.1
155	Fort McMurray Alberta, Canada	14.1
158	Veles Veles, North Macedonia	14.0
158	San Luis Obispo California, United States	14.0
160	Calafat Dolj, Romania	13.9
160	Vientiane low-cost sensors Vientiane Prefecture, Laos	13.9
160	Aberdeen Southern District, Hong Kong	13.9
163	Nice Provence-Alpes-Côte d'Azur, France	13.8
163	Zapopan Jalisco, Mexico	13.8
163	Middletown Ohio, United States	13.8
163	Glendora California, United States	13.8
167	Kozáni West Macedonia, Greece	13.7
167	Shakaskraal low-cost sensors KwaZulu-Natal, South Africa	13.7
167	Compton California, United States	13.7
170	Ilinden Ilinden, North Macedonia	13.6
170	Manchester low-cost sensors England, United Kingdom	13.6
170	Upper Alton Illinois, United States	13.6
173	Ciudad Benito Juárez Nuevo León, Mexico	13.5
173	Macon Georgia, United States	13.5
173	McAlester Oklahoma, United States	13.5
173	Waterloo Iowa, United States	13.5
173	Clovis California, United States	13.5
173	Lewiston Idaho, United States	13.5
179	Ruse Ruse, Bulgaria	13.4
179	Cadereyta Jiménez Nuevo León, Mexico	13.4
179	Decatur Illinois, United States	13.4
179	Shreveport Louisiana, United States	13.4
179	Bismarck North Dakota, United States	13.4
184	Indianapolis Indiana, United States	13.3
184	Edmond Oklahoma, United States	13.3
186	Rochester Minnesota, United States	13.2
186	Indio California, United States	13.2
186	Moses Lake Washington, United States	13.2
189	Rovereto Trentino-Alto Adige, Italy	13.0
189	Madera California, United States	13.0
191	San Luis de la Paz Guanajuato, Mexico	12.9
191	Wichita Kansas, United States	12.9
193	Bra Piedmont, Italy	12.8
193	Celaya Guanajuato, Mexico	12.8
193	West Memphis Arkansas, United States	12.8
193	Kansas City Kansas, United States	12.8
193	Davenport Iowa, United States	12.8
193	Bakersfield California, United States	12.8
193	Airdrie Alberta, Canada	12.8
193	Cranbrook British Columbia, Canada	12.8

Top 200 of 2,172 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