SmogRank / History / week of September 30, 2024

Most polluted cities, week of September 30, 2024

1,526 cities ranked by their average PM2.5 over the 7 days. A city needs measurements on 70% of the days to be ranked.

← week of September 23, 2024week of October 7, 2024 →
#City µg/m³
1Kampala low-cost sensors Central Region, Uganda
104.3
2Lahore low-cost sensors Punjab, Pakistan
88.3
3Kinshasa low-cost sensors Kinshasa, Democratic Republic of the Congo
77.2
4Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan
72.5
5Dhaka low-cost sensors Dhaka Division, Bangladesh
54.2
6Salor Tashkent Region, Uzbekistan
52.2
7Baghdad Baghdad, Iraq
51.8
8Kolkata West Bengal, India
51.0
9Santa Anita - Los Ficus Lima region, Peru
50.9
10Delhi Delhi, India
48.9
11Hanoi Hanoi, Vietnam
47.0
12Jakarta Jakarta, Indonesia
46.6
13Islamabad low-cost sensors Islamabad, Pakistan
41.7
14Beijing Beijing, China
40.4
15Ashgabat Ashgabat, Turkmenistan
36.4
16Dushanbe Dushanbe, Tajikistan
35.6
17Asunción low-cost sensors Asuncion, Paraguay
34.8
18Şabāḩ as Sālim Mubārak al Kabīr, Kuwait
31.9
19Jacobo Hunter Arequipa, Peru
31.3
20Antananarivo Analamanga, Madagascar
30.4
21Hyderabad Telangana, India
30.2
22San Francisco De Borja Lima region, Peru
28.5
23Villa Poeta José Gálvez Barrenechea Lima region, Peru
27.6
24Kathmandu low-cost sensors Bagmati Province, Nepal
27.2
25Manama Manama, Bahrain
26.2
26Baku Baki, Azerbaijan
25.8
27N'Djamena N’Djaména, Chad
25.7
28Callao Callao, Peru
24.9
29Wan Chai Wan Chai, Hong Kong
24.8
30Mumbai Maharashtra, India
24.7
31Ulan Bator Ulaanbaatar, Mongolia
23.8
32Sheridan Wyoming, United States
23.2
33Addis Ababa Addis Ababa, Ethiopia
22.6
34Jurupa Valley California, United States
22.5
35Guangzhou Guangdong, China
22.4
35Fontana California, United States
22.4
37Vereeniging low-cost sensors Gauteng, South Africa
21.6
38Tuen Mun Tuen Mun, Hong Kong
21.5
39Riverside California, United States
20.8
40San Clemente Ica, Peru
20.7
41Bogotá Bogota D.C., Colombia
20.6
42Fresno California, United States
20.2
43Banja Luka Srpska, Bosnia and Herzegovina
20.0
43Yauri Cuzco Department, Peru
20.0
45Algiers Algiers, Algeria
19.5
46Tijuana Baja California, Mexico
19.1
47Jastrzębie Zdrój Silesia, Poland
19.0
48Hanford California, United States
18.8
49Los Angeles California, United States
18.5
50Fanling North District, Hong Kong
18.4
50Chocope La Libertad, Peru
18.4
52São Paulo São Paulo, Brazil
18.1
53Racibórz Silesia, Poland
17.8
54Chennai Tamil Nadu, India
17.7
55Yuanlin Taiwan, Taiwan
17.6
55Tin Shui Wai Yuen Long, Hong Kong
17.6
57Debrecen low-cost sensors Hajdú-Bihar, Hungary
17.3
57Zgierz Łódź Voivodeship, Poland
17.3
59Bangkok low-cost sensors Bangkok, Thailand
17.2
60San Tung Chung Hang Islands, Hong Kong
17.1
61Tha Bo Nong Khai, Thailand
17.0
62Skarżysko-Kamienna Świętokrzyskie, Poland
16.9
63Yanacancha Pasco, Peru
16.8
64Mong Kok Yau Tsim Mong District, Hong Kong
16.6
64Visalia California, United States
16.6
66Burbank California, United States
16.5
67Otwock Mazovia, Poland
16.4
67Carson low-cost sensors California, United States
16.4
69Hawthorne low-cost sensors California, United States
16.3
70Berkeley California, United States
16.2
70Clovis California, United States
16.2
70Inglewood low-cost sensors California, United States
16.2
73El Paso Texas, United States
16.1
74Tai Po Tai Po, Hong Kong
16.0
74Santa Monica low-cost sensors California, United States
16.0
76Kalisz Greater Poland, Poland
15.7
76Glendora California, United States
15.7
78Kwai Chung Kwai Tsing District, Hong Kong
15.6
78Aberdeen Southern District, Hong Kong
15.6
80Guatemala City Guatemala, Guatemala
15.4
80Anaheim California, United States
15.4
82Erlun Taiwan, Taiwan
15.3
82Rabinal Baja Verapaz, Guatemala
15.3
82Dallas Texas, United States
15.3
85Bielsko-Biala Silesia, Poland
15.0
86Chula Vista California, United States
14.9
86Torrance low-cost sensors California, United States
14.9
86Fort Collins Colorado, United States
14.9
89Tsuen Wan Tsuen Wan, Hong Kong
14.8
89Czechowice-Dziedzice Silesia, Poland
14.8
91Łask Łódź Voivodeship, Poland
14.7
91Compton California, United States
14.7
91Corcoran California, United States
14.7
91El Cajon California, United States
14.7
91Porterville California, United States
14.7
91Richmond California, United States
14.7
97Bakersfield California, United States
14.6
98Sham Shui Po Sham Shui Po District, Hong Kong
14.5
98Victoria Central and Western, Hong Kong
14.5
98Katowice Silesia, Poland
14.5
98Birmingham Alabama, United States
14.5
98Stockton California, United States
14.5
103Bend Oregon, United States
14.4
104Maputo Maputo City, Mozambique
14.3
104Sha Tin Sha Tin, Hong Kong
14.3
104Helena Montana, United States
14.3
107Xinying Taiwan, Taiwan
14.2
107Sau Mau Ping Kwun Tong District, Hong Kong
14.2
107Jurong West Singapore
14.2
110Chiang Mai low-cost sensors Chiang Mai, Thailand
14.1
111Hernando Mississippi, United States
14.0
111Bartlett Tennessee, United States
14.0
111Calexico California, United States
14.0
114Pruszków Mazovia, Poland
13.9
114Oakland California, United States
13.9
116Lomita low-cost sensors California, United States
13.8
116San Jose California, United States
13.8
118Żyrardów Mazovia, Poland
13.7
118Agoura low-cost sensors California, United States
13.7
118Madera California, United States
13.7
121Legionowo Mazovia, Poland
13.6
121Kutno Łódź Voivodeship, Poland
13.6
123Radom Mazovia, Poland
13.5
123Nogales Arizona, United States
13.5
125Ang Mo Kio New Town Singapore
13.4
125Thornton Colorado, United States
13.4
127Kłodzko Lower Silesia, Poland
13.3
127San Diego California, United States
13.3
127Butte Montana, United States
13.3
130Woodlands Singapore
13.2
130Zielona Góra Lubusz, Poland
13.2
130Radomsko Łódź Voivodeship, Poland
13.2
130Indianapolis Indiana, United States
13.2
130Greeley Colorado, United States
13.2
135Longmont Colorado, United States
13.1
136Chimbote Ancash, Peru
12.9
136Little Rock Arkansas, United States
12.9
136Conroe Texas, United States
12.9
139Ōtsuki Yamanashi, Japan
12.8
139Wrocław Lower Silesia, Poland
12.8
139Columbus Ohio, United States
12.8
139Saginaw Texas, United States
12.8
139Lake Elsinore California, United States
12.8
144Port Arthur Texas, United States
12.7
144Denver Colorado, United States
12.7
146Konstancin-Jeziorna Mazovia, Poland
12.6
146Zhushan Taiwan, Taiwan
12.6
146Arden-Arcade California, United States
12.6
149Żywiec Silesia, Poland
12.5
149Kędzierzyn-Koźle Opole Voivodeship, Poland
12.5
149Gainesville Georgia, United States
12.5
149Casa Grande Arizona, United States
12.5
149Yuma Arizona, United States
12.5
149Santa Clarita California, United States
12.5
149Yuba City California, United States
12.5
156Łódź Łódź Voivodeship, Poland
12.4
156Millcreek Utah, United States
12.4
156Badger Alaska, United States
12.4
159McAlester Oklahoma, United States
12.3
159Pasadena Texas, United States
12.3
159Casper Wyoming, United States
12.3
159La Crescenta-Montrose low-cost sensors California, United States
12.3
163Lublin Lublin, Poland
12.2
163Houston Texas, United States
12.2
163Modesto California, United States
12.2
163Sacramento California, United States
12.2
167Littleton Colorado, United States
12.1
167Sunland Park New Mexico, United States
12.1
169Accra low-cost sensors Greater Accra, Ghana
12.0
169Włocławek Kujawsko-Pomorskie, Poland
12.0
169Brawley California, United States
12.0
172Shanghai Shanghai, China
11.9
172Atlanta Georgia, United States
11.9
174Starachowice Świętokrzyskie, Poland
11.8
174Jelenia Góra Lower Silesia, Poland
11.8
174Long Beach California, United States
11.8
177Yongkang Taiwan, Taiwan
11.7
177Erlin Taiwan, Taiwan
11.7
177Changhua Taiwan, Taiwan
11.7
177Kościan Greater Poland, Poland
11.7
177Manteca California, United States
11.7
177Woodland California, United States
11.7
183Douliu Taiwan, Taiwan
11.6
183Taibao Taiwan, Taiwan
11.6
183Kościerzyna Pomerania, Poland
11.6
186Łuków Lublin, Poland
11.5
186Buzi Taiwan, Taiwan
11.5
186Derby Kansas, United States
11.5
186Shreveport Louisiana, United States
11.5
186Indio California, United States
11.5
191Tainan Taiwan, Taiwan
11.4
191Springdale Arkansas, United States
11.4
191West Memphis Arkansas, United States
11.4
191Lafayette Louisiana, United States
11.4
191Turlock California, United States
11.4
191Vallejo California, United States
11.4
197Warsaw Mazovia, Poland
11.3
197Beigang Taiwan, Taiwan
11.3
197Nantou Taiwan, Taiwan
11.3
197Toki Gifu, Japan
11.3

Top 200 of 1,526 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