SmogRank / History / week of July 22, 2024

Most polluted cities, week of July 22, 2024

2,049 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	Kinshasa low-cost sensors Kinshasa, Democratic Republic of the Congo	128.4
2	Fort McMurray Alberta, Canada	72.5
3	Santa Anita - Los Ficus Lima region, Peru	62.3
4	Lahore low-cost sensors Punjab, Pakistan	56.7
5	Nampa Idaho, United States	50.6
6	Meridian Idaho, United States	48.6
7	Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan	48.5
8	Calgary Alberta, Canada	47.8
9	Antananarivo Analamanga, Madagascar	47.7
10	Edmonton Alberta, Canada	45.7
11	Lewiston Idaho, United States	45.5
12	Kampala low-cost sensors Central Region, Uganda	44.1
13	Sherwood Park Alberta, Canada	42.5
14	Vereeniging low-cost sensors Gauteng, South Africa	41.4
15	Boise Idaho, United States	40.7
16	Prince Albert Saskatchewan, Canada	40.5
17	Saskatoon Saskatchewan, Canada	40.4
18	Asunción low-cost sensors Asuncion, Paraguay	39.6
19	Delhi Delhi, India	38.9
20	Ashgabat Ashgabat, Turkmenistan	38.6
21	Karachi low-cost sensors Sindh, Pakistan	38.2
22	Lima Lima Province, Peru	35.8
23	Regina Saskatchewan, Canada	35.6
24	Red Deer Alberta, Canada	33.3
25	Şabāḩ as Sālim Mubārak al Kabīr, Kuwait	32.6
26	Swift Current Saskatchewan, Canada	31.5
27	Bismarck North Dakota, United States	31.0
28	St. Albert Alberta, Canada	30.8
29	Twin Falls Idaho, United States	30.7
30	Bend Oregon, United States	30.6
31	Dushanbe Dushanbe, Tajikistan	30.0
32	Altamont Oregon, United States	29.7
33	Maputo Maputo City, Mozambique	29.6
33	Beijing Beijing, China	29.6
35	San Francisco De Borja Lima region, Peru	29.4
36	Islamabad low-cost sensors Islamabad, Pakistan	29.2
37	Medicine Hat Alberta, Canada	28.8
38	Rapid City South Dakota, United States	28.5
39	Helena Montana, United States	28.2
40	Addis Ababa Addis Ababa, Ethiopia	27.9
41	Callao Callao, Peru	27.4
42	Airdrie Alberta, Canada	27.3
43	Jurong West Singapore	26.1
44	Great Falls Montana, United States	25.7
45	Gillette Wyoming, United States	25.6
46	Butte Montana, United States	25.1
47	Hanoi Hanoi, Vietnam	24.6
48	Shakaskraal low-cost sensors KwaZulu-Natal, South Africa	24.5
49	Jacobo Hunter Arequipa, Peru	24.4
49	Rangiora Canterbury, New Zealand	24.4
51	Ang Mo Kio New Town Singapore	24.3
52	Redmond Oregon, United States	23.6
52	Yakima Washington, United States	23.6
54	Bucharest Bucharest, Romania	23.5
55	Moscow Idaho, United States	23.2
56	Dhaka low-cost sensors Dhaka Division, Bangladesh	22.8
57	Columbia low-cost sensors Missouri, United States	22.5
58	Sunnyside Washington, United States	22.4
59	Missoula Montana, United States	22.3
60	Fort St. John British Columbia, Canada	22.0
61	Ashland Oregon, United States	21.7
62	Medford Oregon, United States	21.6
63	Villa Poeta José Gálvez Barrenechea Lima region, Peru	21.5
64	Richards Bay low-cost sensors KwaZulu-Natal, South Africa	21.4
64	El Paso Texas, United States	21.4
66	Longmont Colorado, United States	21.3
67	Billings Montana, United States	21.2
68	Thornton Colorado, United States	21.0
68	Lethbridge Alberta, Canada	21.0
70	Bozeman Montana, United States	20.5
71	Chocope La Libertad, Peru	20.4
72	Ulu Bedok Singapore	20.2
73	Cranbrook British Columbia, Canada	19.8
74	Ōtsuki Yamanashi, Japan	19.7
75	Ilinden Ilinden, North Macedonia	19.6
75	Pocatello Idaho, United States	19.6
77	Sheridan Wyoming, United States	19.4
78	Ayase Kanagawa, Japan	19.3
79	Kathmandu low-cost sensors Bagmati Province, Nepal	19.1
79	Yauri Cuzco Department, Peru	19.1
81	Grande Prairie Alberta, Canada	18.8
82	Queenstown Estate low-cost sensors Singapore	18.6
82	Timaru Canterbury, New Zealand	18.6
84	Colorado Springs Colorado, United States	18.5
85	Watertown South Dakota, United States	18.2
85	Pullman Washington, United States	18.2
87	Idaho Falls Idaho, United States	18.0
88	N'Djamena N’Djaména, Chad	17.5
88	Grants Pass Oregon, United States	17.5
90	Orem Utah, United States	17.4
91	West Fargo North Dakota, United States	17.2
92	Accra low-cost sensors Greater Accra, Ghana	17.1
92	Ken Caryl Colorado, United States	17.1
94	Kolkata West Bengal, India	17.0
94	Lexington low-cost sensors Massachusetts, United States	17.0
94	Fort Collins Colorado, United States	17.0
94	Greeley Colorado, United States	17.0
98	Asprópyrgos Attica, Greece	16.8
98	Aberdeen South Dakota, United States	16.8
100	Debrecen low-cost sensors Hajdú-Bihar, Hungary	16.7
100	Kamisu Ibaraki, Japan	16.7
102	Tsuchiura Ibaraki, Japan	16.5
103	Gostivar Gostivar, North Macedonia	16.4
103	Pendleton Oregon, United States	16.4
105	Rochester Minnesota, United States	16.3
106	Walla Walla Washington, United States	16.2
106	Chikusei Ibaraki, Japan	16.2
108	Wan Chai Wan Chai, Hong Kong	16.1
108	Grand Island Nebraska, United States	16.1
108	Fontana California, United States	16.1
111	Aihara Kanagawa, Japan	16.0
111	Millcreek Utah, United States	16.0
111	Kamloops British Columbia, Canada	16.0
114	Kofu Yamanashi, Japan	15.9
114	Coeur d'Alene Idaho, United States	15.9
114	Cheyenne Wyoming, United States	15.9
117	Falconara Marittima The Marches, Italy	15.8
117	East Saint Louis Illinois, United States	15.8
117	Denver Colorado, United States	15.8
120	Gotemba Shizuoka, Japan	15.7
120	Woodlands Singapore	15.7
122	Evansville Indiana, United States	15.6
122	Burnsville Minnesota, United States	15.6
122	Nepean low-cost sensors Ontario, Canada	15.6
125	Chigasaki Kanagawa, Japan	15.5
125	Chiba Chiba, Japan	15.5
127	Hiratsuka Kanagawa, Japan	15.4
127	Užice Central Serbia, Serbia	15.4
129	Valletta Valletta, Malta	15.3
129	Hermiston Oregon, United States	15.3
131	Sereď Trnava Region, Slovakia	15.2
131	Mankato Minnesota, United States	15.2
133	Shakopee Minnesota, United States	15.1
133	Spokane Valley Washington, United States	15.1
135	Mosta Il-Mosta, Malta	14.7
135	Rexburg Idaho, United States	14.7
135	Spokane Washington, United States	14.7
138	Guangzhou Guangdong, China	14.6
139	Odawara Kanagawa, Japan	14.5
139	Brookings South Dakota, United States	14.5
139	Littleton Colorado, United States	14.5
139	Amarillo Texas, United States	14.5
139	Prince George British Columbia, Canada	14.5
144	Le Lamentin Martinique, Martinique	14.4
145	Prešov Prešov Region, Slovakia	14.3
145	Kraljevo Central Serbia, Serbia	14.3
145	Kashima-shi Ibaraki, Japan	14.3
145	Les Abymes Guadeloupe, Guadeloupe	14.3
145	Cataño Cataño, Puerto Rico	14.3
150	Miskolc Borsod-Abaúj-Zemplén, Hungary	14.2
150	Żabbar Ħaż-Żabbar, Malta	14.2
150	Jeffersonville Indiana, United States	14.2
150	Saint Joseph Missouri, United States	14.2
150	Columbus Ohio, United States	14.2
150	Minneapolis Minnesota, United States	14.2
150	Dodge City Kansas, United States	14.2
157	Komárno Nitra Region, Slovakia	14.1
157	Indianapolis Indiana, United States	14.1
157	Jasper Indiana, United States	14.1
157	Glendora California, United States	14.1
157	Yachiyo Chiba, Japan	14.1
162	Shanghai Shanghai, China	14.0
162	Atsugi Kanagawa, Japan	14.0
162	Yokohama Kanagawa, Japan	14.0
162	Minawa Kanagawa, Japan	14.0
162	Christchurch Canterbury, New Zealand	14.0
162	Algiers Algiers, Algeria	14.0
162	Fort-de-France Martinique, Martinique	14.0
162	Granite City Illinois, United States	14.0
170	Ōme Tokyo, Japan	13.9
170	Hadano Kanagawa, Japan	13.9
170	Ankeny Iowa, United States	13.9
170	Redding California, United States	13.9
174	Narita Chiba, Japan	13.8
174	Martin Žilina Region, Slovakia	13.8
174	Saint Paul Minnesota, United States	13.8
174	Westerville Ohio, United States	13.8
174	Jurupa Valley California, United States	13.8
174	Summerlin South Nevada, United States	13.8
174	Narashino Chiba, Japan	13.8
181	Baku Baki, Azerbaijan	13.7
181	Novi Pazar Central Serbia, Serbia	13.7
181	Yachimata Chiba, Japan	13.7
181	Sawara Chiba, Japan	13.7
181	Hokota Ibaraki, Japan	13.7
181	San Pawl il-Baħar Saint Paul’s Bay, Malta	13.7
181	Boulder Colorado, United States	13.7
181	Herriman Utah, United States	13.7
189	Valley Station Kentucky, United States	13.6
189	Saint Cloud Minnesota, United States	13.6
189	Minamiashigara Kanagawa, Japan	13.6
192	Lazarevac Central Serbia, Serbia	13.5
192	Urayasu Chiba, Japan	13.5
192	Ichihara Chiba, Japan	13.5
192	Cedar Rapids Iowa, United States	13.5
192	Saint Michael Minnesota, United States	13.5
197	Mumbai Maharashtra, India	13.4
197	Machida Tokyo, Japan	13.4
197	Hachiōji Tokyo, Japan	13.4
197	Sakura Chiba, Japan	13.4

Top 200 of 2,049 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