SmogRank / History / week of April 24, 2023

Most polluted cities, week of April 24, 2023

1,108 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	164.8
2	Kathmandu low-cost sensors Bagmati Province, Nepal	82.4
3	Bamako Bamako, Mali	77.6
4	Dhaka low-cost sensors Dhaka Division, Bangladesh	65.4
5	Delhi Delhi, India	64.2
6	Belmopan Cayo District, Belize	57.2
7	Lahore low-cost sensors Punjab, Pakistan	47.8
8	Cholula Puebla, Mexico	44.3
9	Celaya Guanajuato, Mexico	40.3
10	Kampala low-cost sensors Central Region, Uganda	39.8
11	Rabinal Baja Verapaz, Guatemala	37.9
11	Guatemala City Guatemala, Guatemala	37.9
13	Yangon Yangon, Myanmar	37.3
14	Hyderabad Telangana, India	36.5
15	Tha Bo Nong Khai, Thailand	36.3
16	Khartoum Khartoum, Sudan	34.9
17	Salor Tashkent Region, Uzbekistan	33.8
18	Hanoi Hanoi, Vietnam	33.5
19	Baghdad Baghdad, Iraq	32.6
20	Mexicali Baja California, Mexico	31.7
21	Beijing Beijing, China	31.3
22	Islamabad low-cost sensors Islamabad, Pakistan	31.1
23	Pristina Pristina, Kosovo	31.0
24	Addis Ababa Addis Ababa, Ethiopia	30.1
25	Kigali Kigali, Rwanda	28.7
26	Guangzhou Guangdong, China	28.6
27	Cuernavaca Morelos, Mexico	27.6
28	Şabāḩ as Sālim Mubārak al Kabīr, Kuwait	27.3
29	Mexico City Mexico City, Mexico	27.2
30	Ciudad Nezahualcoyotl México, Mexico	26.5
31	Ciudad Juárez Chihuahua, Mexico	26.2
32	Ashgabat Ashgabat, Turkmenistan	26.1
33	Shenyang Liaoning, China	25.5
34	Silao de la Victoria Guanajuato, Mexico	25.4
35	Naucalpan de Juárez México, Mexico	24.6
36	Pachuca de Soto Hidalgo, Mexico	24.2
36	Salamanca Guanajuato, Mexico	24.2
38	San Juan del Río Querétaro, Mexico	23.0
39	Kinshasa low-cost sensors Kinshasa, Democratic Republic of the Congo	22.7
40	Santiago de Querétaro Querétaro, Mexico	22.4
41	San José San José, Costa Rica	22.3
42	Puebla Puebla, Mexico	22.1
43	Karachi low-cost sensors Sindh, Pakistan	21.9
44	Los Angeles California, United States	21.7
45	Colombo Western Province, Sri Lanka	21.6
46	Dushanbe Dushanbe, Tajikistan	20.1
47	Niš Central Serbia, Serbia	19.7
48	Béthune Hauts-de-France, France	19.4
49	Antananarivo Analamanga, Madagascar	19.3
49	Irapuato Guanajuato, Mexico	19.3
51	Tijuana Baja California, Mexico	19.1
52	León de los Aldama Guanajuato, Mexico	19.0
53	Glendora California, United States	18.5
54	García Nuevo León, Mexico	18.3
54	Burbank California, United States	18.3
56	Abasolo Guanajuato, Mexico	18.2
57	San Miguel de Allende Guanajuato, Mexico	18.0
58	Guanajuato Guanajuato, Mexico	17.9
59	Mumbai Maharashtra, India	17.8
59	Almaty low-cost sensors Almaty, Kazakhstan	17.8
61	Jurupa Valley California, United States	17.3
62	Izegem Flanders, Belgium	17.2
62	Valenciennes Hauts-de-France, France	17.2
64	Mons Wallonia, Belgium	17.1
64	Lomita low-cost sensors California, United States	17.1
66	Monterrey Nuevo León, Mexico	17.0
67	Menen Flanders, Belgium	16.9
68	Roeselare Flanders, Belgium	16.8
69	Naples Campania, Italy	16.6
69	Carson low-cost sensors California, United States	16.6
71	Kortrijk Flanders, Belgium	16.5
72	Acharnés Attica, Greece	16.3
72	Evergem Flanders, Belgium	16.3
72	Chihuahua Chihuahua, Mexico	16.3
72	Compton California, United States	16.3
76	Athens Attica, Greece	16.0
76	Lille Hauts-de-France, France	16.0
76	Aguascalientes Aguascalientes, Mexico	16.0
76	San Diego California, United States	16.0
80	Belgrade Central Serbia, Serbia	15.7
81	Prešov Prešov Region, Slovakia	15.4
81	Humenné Prešov Region, Slovakia	15.4
83	Hawthorne low-cost sensors California, United States	15.2
84	Santa Catarina Nuevo León, Mexico	15.1
84	Paradise California, United States	15.1
84	Torrance low-cost sensors California, United States	15.1
87	Visalia California, United States	14.8
88	Bakersfield California, United States	14.7
88	Long Beach California, United States	14.7
90	Banja Luka Srpska, Bosnia and Herzegovina	14.6
91	Jeddah Mecca Region, Saudi Arabia	14.5
91	Maldegem Flanders, Belgium	14.5
93	El Cajon California, United States	14.4
94	Martin Žilina Region, Slovakia	14.3
94	Alessandria Piedmont, Italy	14.3
94	Anaheim California, United States	14.3
97	Conakry Conakry, Guinea	14.2
97	La Línea de la Concepción Andalusia, Spain	14.2
97	Koksijde Flanders, Belgium	14.2
100	Santa Monica low-cost sensors California, United States	14.1
101	Košice Košice Region, Slovakia	13.9
101	Abuja low-cost sensors FCT, Nigeria	13.9
101	Krefeld North Rhine-Westphalia, Germany	13.9
101	La Crescenta-Montrose low-cost sensors California, United States	13.9
105	Jülich North Rhine-Westphalia, Germany	13.8
105	Porterville California, United States	13.8
107	Bailén Andalusia, Spain	13.7
107	Banning California, United States	13.7
107	Calexico California, United States	13.7
110	Tournai Wallonia, Belgium	13.6
110	Charleroi Wallonia, Belgium	13.6
110	Koblenz Rheinland-Pfalz, Germany	13.6
113	Asprópyrgos Attica, Greece	13.5
113	Spišská Nová Ves Košice Region, Slovakia	13.5
113	Huelva Andalusia, Spain	13.5
113	Agoura low-cost sensors California, United States	13.5
117	Indianapolis Indiana, United States	13.4
117	Inglewood low-cost sensors California, United States	13.4
119	Ruse Ruse, Bulgaria	13.3
119	Andenne Wallonia, Belgium	13.3
119	St. John's Newfoundland and Labrador, Canada	13.3
122	Gent Flanders, Belgium	13.2
122	Calais Hauts-de-France, France	13.2
122	Žilina Žilina Region, Slovakia	13.2
122	Senica Trnava Region, Slovakia	13.2
122	Santa Clarita California, United States	13.2
127	Beveren Flanders, Belgium	13.0
128	Mühlhausen Thuringia, Germany	12.9
128	Detroit Michigan, United States	12.9
130	Antwerp Flanders, Belgium	12.8
130	Pécs Baranya, Hungary	12.8
132	Brussels Brussels Capital, Belgium	12.7
132	Trnava Trnava Region, Slovakia	12.7
132	San Andrés Tuxtla Veracruz, Mexico	12.7
132	Hamilton Ontario, Canada	12.7
136	Kazincbarcika Borsod-Abaúj-Zemplén, Hungary	12.5
136	Vranov nad Topľou Prešov Region, Slovakia	12.5
136	Bishkek low-cost sensors Bishkek, Kyrgyzstan	12.5
136	Duisburg North Rhine-Westphalia, Germany	12.5
136	Jeffersonville Indiana, United States	12.5
136	Cranbrook British Columbia, Canada	12.5
142	Valencia Valencia, Spain	12.4
142	Topeka Kansas, United States	12.4
142	Fresno California, United States	12.4
145	Zwijndrecht Flanders, Belgium	12.3
145	Köln North Rhine-Westphalia, Germany	12.3
145	Győr Győr-Moson-Sopron, Hungary	12.3
148	Coconut Creek Florida, United States	12.2
149	Graz Styria, Austria	12.1
149	Lochristi Flanders, Belgium	12.1
149	Aarschot Flanders, Belgium	12.1
149	Thionville Grand Est, France	12.1
149	Dearborn Michigan, United States	12.1
154	San Roque Andalusia, Spain	12.0
154	Liège Wallonia, Belgium	12.0
154	Solingen North Rhine-Westphalia, Germany	12.0
154	Benevento Campania, Italy	12.0
154	Jeffersontown Kentucky, United States	12.0
159	Sevilla Andalusia, Spain	11.9
159	Klagenfurt am Wörthersee Carinthia, Austria	11.9
159	Willebroek Flanders, Belgium	11.9
159	Louisville Kentucky, United States	11.9
163	Bloomington Indiana, United States	11.8
164	Thessaloníki Central Macedonia, Greece	11.7
164	Traun Upper Austria, Austria	11.7
164	Bergheim North Rhine-Westphalia, Germany	11.7
164	Sainte-Geneviève-des-Bois Île-de-France, France	11.7
164	Redford Michigan, United States	11.7
164	Taylor Michigan, United States	11.7
170	London England, United Kingdom	11.6
170	Bexley England, United Kingdom	11.6
170	Kapellen Flanders, Belgium	11.6
170	Teltow Brandenburg, Germany	11.6
170	Bonn North Rhine-Westphalia, Germany	11.6
170	Ružomberok Žilina Region, Slovakia	11.6
170	Cuenca Castille-La Mancha, Spain	11.6
177	Ulu Bedok Singapore	11.5
177	Kassel Hesse, Germany	11.5
177	Jüchen North Rhine-Westphalia, Germany	11.5
177	Saint-Quentin Hauts-de-France, France	11.5
177	Cincinnati Ohio, United States	11.5
177	Hobbs New Mexico, United States	11.5
183	Bucharest Bucharest, Romania	11.4
183	Weiden Bavaria, Germany	11.4
183	Düsseldorf North Rhine-Westphalia, Germany	11.4
183	Amiens Hauts-de-France, France	11.4
183	Aachen North Rhine-Westphalia, Germany	11.4
183	Valley Station Kentucky, United States	11.4
189	Cluj-Napoca Cluj County, Romania	11.3
189	Essen North Rhine-Westphalia, Germany	11.3
189	Le Havre Normandy, France	11.3
189	Hanford California, United States	11.3
193	Stabroek Flanders, Belgium	11.2
193	East Saint Louis Illinois, United States	11.2
193	Saint Matthews Kentucky, United States	11.2
193	Norwood Ohio, United States	11.2
197	Mol Flanders, Belgium	11.1
197	Owensboro Kentucky, United States	11.1
199	Pátra West Greece, Greece	11.0
199	Oberhausen North Rhine-Westphalia, Germany	11.0

Top 200 of 1,108 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