SmogRank / History / week of May 22, 2023

Most polluted cities, week of May 22, 2023

1,356 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	Baghdad Baghdad, Iraq	103.2
2	Dhaka low-cost sensors Dhaka Division, Bangladesh	63.3
3	Lahore low-cost sensors Punjab, Pakistan	59.8
4	Hyderabad Telangana, India	51.1
5	Beijing Beijing, China	49.1
6	Fort McMurray Alberta, Canada	48.9
7	Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan	47.9
8	Şabāḩ as Sālim Mubārak al Kabīr, Kuwait	40.5
9	Edmonton Alberta, Canada	38.4
10	Kampala low-cost sensors Central Region, Uganda	37.6
11	Dushanbe Dushanbe, Tajikistan	37.5
11	Delhi Delhi, India	37.5
13	Celaya Guanajuato, Mexico	35.4
14	Guatemala City Guatemala, Guatemala	35.0
15	Hanoi Hanoi, Vietnam	34.9
16	Rabinal Baja Verapaz, Guatemala	34.5
17	Shenyang Liaoning, China	34.1
18	Kigali Kigali, Rwanda	32.0
19	Kolkata West Bengal, India	31.3
20	Antananarivo Analamanga, Madagascar	30.1
21	Salamanca Guanajuato, Mexico	29.9
22	Islamabad low-cost sensors Islamabad, Pakistan	29.4
23	Red Deer Alberta, Canada	28.2
24	Chennai Tamil Nadu, India	27.9
25	Irapuato Guanajuato, Mexico	26.7
26	St. Albert Alberta, Canada	26.4
27	Baku Baki, Azerbaijan	25.4
27	Saskatoon Saskatchewan, Canada	25.4
29	Guangzhou Guangdong, China	25.3
29	Grande Prairie Alberta, Canada	25.3
31	Kathmandu low-cost sensors Bagmati Province, Nepal	25.1
32	Abasolo Guanajuato, Mexico	24.8
33	Pristina Pristina, Kosovo	24.5
34	Prince Albert Saskatchewan, Canada	24.4
35	Sulphur Louisiana, United States	22.9
36	Mexico City Mexico City, Mexico	22.7
37	Mielec Subcarpathia, Poland	22.2
38	Baytown Texas, United States	22.0
38	Texarkana Texas, United States	22.0
40	Addis Ababa Addis Ababa, Ethiopia	21.8
41	Hernando Mississippi, United States	21.6
42	Jeddah Mecca Region, Saudi Arabia	21.5
42	Port Arthur Texas, United States	21.5
44	Houston Texas, United States	21.4
45	Pesaro The Marches, Italy	21.3
45	Pasadena Texas, United States	21.3
47	Belmopan Cayo District, Belize	21.2
48	Yangon Yangon, Myanmar	21.1
49	Galveston Texas, United States	21.0
50	Conroe Texas, United States	20.8
51	León de los Aldama Guanajuato, Mexico	20.7
52	Moore Oklahoma, United States	20.3
53	La Porte Texas, United States	20.2
54	Missouri City Texas, United States	20.1
55	Jackson Mississippi, United States	19.9
56	Ashgabat Ashgabat, Turkmenistan	19.7
56	Guanajuato Guanajuato, Mexico	19.7
58	Springdale Arkansas, United States	19.4
58	Oklahoma City Oklahoma, United States	19.4
58	Fort Worth Texas, United States	19.4
61	São Paulo São Paulo, Brazil	19.3
61	Silao de la Victoria Guanajuato, Mexico	19.3
63	Dębica Subcarpathia, Poland	19.2
63	Jastrzębie Zdrój Silesia, Poland	19.2
65	Edmond Oklahoma, United States	19.1
66	Mission Bend Texas, United States	18.9
67	Kielce Świętokrzyskie, Poland	18.7
67	Paradise California, United States	18.7
69	Saginaw Texas, United States	18.6
69	Sherwood Park Alberta, Canada	18.6
71	Birmingham Alabama, United States	18.5
72	Kraków Lesser Poland, Poland	18.2
72	East Ridge Tennessee, United States	18.2
72	Corsicana Texas, United States	18.2
72	Swift Current Saskatchewan, Canada	18.2
76	Baton Rouge Louisiana, United States	18.1
77	Prešov Prešov Region, Slovakia	18.0
77	Hobbs New Mexico, United States	18.0
79	Airdrie Alberta, Canada	17.9
80	Ruse Ruse, Bulgaria	17.7
80	Calgary Alberta, Canada	17.7
82	Karachi low-cost sensors Sindh, Pakistan	17.3
83	Hattiesburg Mississippi, United States	17.1
84	Chattanooga Tennessee, United States	17.0
85	Derby Kansas, United States	16.9
86	Trnava Trnava Region, Slovakia	16.8
86	Dallas Texas, United States	16.8
88	Denton Texas, United States	16.6
89	Falconara Marittima The Marches, Italy	16.5
89	Ponca City Oklahoma, United States	16.5
89	College Station Texas, United States	16.5
92	Amman Amman, Jordan	16.4
92	San Miguel de Allende Guanajuato, Mexico	16.4
92	Bartlett Tennessee, United States	16.4
92	Austin Texas, United States	16.4
96	Astana Astana, Kazakhstan	16.3
96	Modugno Apulia, Italy	16.3
96	Benevento Campania, Italy	16.3
96	Trussville Alabama, United States	16.3
100	Rzeszów Subcarpathia, Poland	16.2
100	San Luis de la Paz Guanajuato, Mexico	16.2
100	Ciudad Juárez Chihuahua, Mexico	16.2
100	Hueytown Alabama, United States	16.2
100	McAlester Oklahoma, United States	16.2
100	Thornton Colorado, United States	16.2
106	Bismarck North Dakota, United States	16.1
107	Durango Basque Country, Spain	16.0
107	Little Rock Arkansas, United States	16.0
107	Shreveport Louisiana, United States	16.0
107	Denver Colorado, United States	16.0
111	Richmond California, United States	15.9
112	Humenné Prešov Region, Slovakia	15.8
112	Thionville Grand Est, France	15.8
112	Havířov Moravian-Silesian Region, Czechia	15.8
115	Kortrijk Flanders, Belgium	15.7
115	Béthune Hauts-de-France, France	15.7
117	Frýdek-Místek Moravian-Silesian Region, Czechia	15.6
118	Košice Košice Region, Slovakia	15.5
118	Grajewo Podlasie, Poland	15.5
118	Evergem Flanders, Belgium	15.5
118	Český Těšín Moravian-Silesian Region, Czechia	15.5
122	Niš Central Serbia, Serbia	15.4
123	Marseille Provence-Alpes-Côte d'Azur, France	15.3
123	Alessandria Piedmont, Italy	15.3
123	Huntsville Alabama, United States	15.3
123	West Memphis Arkansas, United States	15.3
123	Gulfport Mississippi, United States	15.3
123	Jenks Oklahoma, United States	15.3
129	Laudio / Llodio Basque Country, Spain	15.2
129	Gadsden Alabama, United States	15.2
131	Belgrade Central Serbia, Serbia	15.1
132	Spišská Nová Ves Košice Region, Slovakia	15.0
132	Izegem Flanders, Belgium	15.0
132	Senica Trnava Region, Slovakia	15.0
132	Knoxville Tennessee, United States	15.0
136	Krefeld North Rhine-Westphalia, Germany	14.9
136	Bilbao Basque Country, Spain	14.9
136	Des Moines Iowa, United States	14.9
136	Rapid City South Dakota, United States	14.9
140	Waregem Flanders, Belgium	14.8
141	Athens Attica, Greece	14.7
141	Cardiff Wales, United Kingdom	14.7
141	les Escaldes Escaldes-Engordany, Andorra	14.7
141	Racibórz Silesia, Poland	14.7
141	Elizabeth New Jersey, United States	14.7
141	Watertown South Dakota, United States	14.7
141	Ken Caryl Colorado, United States	14.7
148	Sliema Tas-Sliema, Malta	14.6
148	Andenne Wallonia, Belgium	14.6
148	Novi Sad Vojvodina, Serbia	14.6
148	Kansas City Kansas, United States	14.6
152	Lagos low-cost sensors Lagos, Nigeria	14.5
152	Menen Flanders, Belgium	14.5
152	Aarschot Flanders, Belgium	14.5
152	Ostrava Moravian-Silesian Region, Czechia	14.5
152	Włocławek Kujawsko-Pomorskie, Poland	14.5
152	Montemurlo Tuscany, Italy	14.5
152	Jesi The Marches, Italy	14.5
159	Salor Tashkent Region, Uzbekistan	14.4
159	Aachen North Rhine-Westphalia, Germany	14.4
159	West Fargo North Dakota, United States	14.4
162	Roeselare Flanders, Belgium	14.3
162	Dieppe Normandy, France	14.3
162	Gainesville Georgia, United States	14.3
162	Maryville Tennessee, United States	14.3
166	Grays England, United Kingdom	14.2
166	Gasteiz / Vitoria Basque Country, Spain	14.2
166	St. Louis Missouri, United States	14.2
169	Sainte-Geneviève-des-Bois Île-de-France, France	14.1
169	Lille Hauts-de-France, France	14.1
169	Montgomery Alabama, United States	14.1
172	Vranov nad Topľou Prešov Region, Slovakia	14.0
172	Luxembourg Luxembourg, Luxembourg	14.0
172	Saint-Étienne Auvergne-Rhône-Alpes, France	14.0
172	Roubaix Hauts-de-France, France	14.0
176	Legionowo Mazovia, Poland	13.9
176	Graz Styria, Austria	13.9
176	Liège Wallonia, Belgium	13.9
176	Reims Grand Est, France	13.9
176	Martin Žilina Region, Slovakia	13.9
176	Ancona The Marches, Italy	13.9
176	Pascagoula Mississippi, United States	13.9
176	Burnsville Minnesota, United States	13.9
184	Valencia Valencia, Spain	13.8
184	Grimbergen Flanders, Belgium	13.8
184	Antwerp Flanders, Belgium	13.8
184	Duisburg North Rhine-Westphalia, Germany	13.8
184	Kalisz Greater Poland, Poland	13.8
184	Live Oak Texas, United States	13.8
190	Żyrardów Mazovia, Poland	13.7
190	Bergheim North Rhine-Westphalia, Germany	13.7
190	Nitra Nitra Region, Slovakia	13.7
190	Massa Tuscany, Italy	13.7
190	Capannori Tuscany, Italy	13.7
190	Decatur Alabama, United States	13.7
190	Athens Georgia, United States	13.7
190	Ada Oklahoma, United States	13.7
190	Hamilton Ontario, Canada	13.7
199	Krosno Subcarpathia, Poland	13.5
199	Solingen North Rhine-Westphalia, Germany	13.5

Top 200 of 1,356 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