SmogRank / History / 2024

Most polluted cities, 2024

1,686 cities ranked by their average PM2.5 over the 366 days. A city needs measurements on 70% of the days to be ranked.

← 20232025 →
#City µg/m³× WHO
1Lahore low-cost sensors Punjab, Pakistan
142.628.5×
2Delhi Delhi, India
102.220.4×
3Dhaka low-cost sensors Dhaka Division, Bangladesh
98.119.6×
4Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan
97.819.6×
5N'Djamena N’Djaména, Chad
97.119.4×
6Kolkata West Bengal, India
71.914.4×
7Islamabad low-cost sensors Islamabad, Pakistan
61.112.2×
8Kampala low-cost sensors Central Region, Uganda
58.911.8×
9Kathmandu low-cost sensors Bagmati Province, Nepal
57.111.4×
10Baghdad Baghdad, Iraq
53.410.7×
11Santa Anita - Los Ficus Lima region, Peru
47.89.6×
12Ulan Bator Ulaanbaatar, Mongolia
47.79.5×
13Cairo Cairo, Egypt
47.59.5×
13Dushanbe Dushanbe, Tajikistan
47.59.5×
15Mumbai Maharashtra, India
46.79.3×
16Hanoi Hanoi, Vietnam
43.58.7×
17Karachi low-cost sensors Sindh, Pakistan
43.48.7×
18Beijing Beijing, China
43.38.7×
19Hyderabad Telangana, India
40.78.1×
20Abuja low-cost sensors FCT, Nigeria
40.08.0×
21Jakarta Jakarta, Indonesia
38.67.7×
22Sarajevo Federation of B&H, Bosnia and Herzegovina
37.17.4×
23Novi Pazar Central Serbia, Serbia
36.77.3×
24Banja Luka Srpska, Bosnia and Herzegovina
36.47.3×
25Şabāḩ as Sālim Mubārak al Kabīr, Kuwait
35.17.0×
26Chiang Mai low-cost sensors Chiang Mai, Thailand
34.97.0×
27Salor Tashkent Region, Uzbekistan
34.87.0×
28Chennai Tamil Nadu, India
32.06.4×
29Antananarivo Analamanga, Madagascar
29.15.8×
30Lima Lima Province, Peru
28.45.7×
31Užice Central Serbia, Serbia
27.45.5×
32Lazarevac Central Serbia, Serbia
26.95.4×
33Ashgabat Ashgabat, Turkmenistan
26.85.4×
34Addis Ababa Addis Ababa, Ethiopia
26.65.3×
34Niš Central Serbia, Serbia
26.65.3×
36Bangkok low-cost sensors Bangkok, Thailand
26.15.2×
37Shanghai Shanghai, China
25.95.2×
38Tha Bo Nong Khai, Thailand
25.05.0×
39Guangzhou Guangdong, China
24.85.0×
40Zemun Central Serbia, Serbia
24.34.9×
41Almaty low-cost sensors Almaty, Kazakhstan
24.24.8×
42Yangon Yangon, Myanmar
24.14.8×
42Celaya Guanajuato, Mexico
24.14.8×
44Wan Chai Wan Chai, Hong Kong
24.04.8×
45Baku Baki, Azerbaijan
23.94.8×
46Smederevo Central Serbia, Serbia
23.74.7×
47San Francisco De Borja Lima region, Peru
23.34.7×
48Obrenovac Central Serbia, Serbia
22.74.5×
49Pančevo Vojvodina, Serbia
22.34.5×
50Racibórz Silesia, Poland
21.54.3×
51Tuen Mun Tuen Mun, Hong Kong
21.04.2×
52Jastrzębie Zdrój Silesia, Poland
20.84.2×
53Belgrade Central Serbia, Serbia
20.74.1×
54Działdowo Warmia-Masuria, Poland
20.54.1×
55Miskolc Borsod-Abaúj-Zemplén, Hungary
20.44.1×
56Zgierz Łódź Voivodeship, Poland
20.24.0×
57Skarżysko-Kamienna Świętokrzyskie, Poland
20.14.0×
57Callao Callao, Peru
20.14.0×
59Accra low-cost sensors Greater Accra, Ghana
19.84.0×
59Katowice Silesia, Poland
19.84.0×
61Bielsko-Biala Silesia, Poland
19.73.9×
62Włocławek Kujawsko-Pomorskie, Poland
19.43.9×
63Sremčica Central Serbia, Serbia
19.13.8×
63Astana Astana, Kazakhstan
19.13.8×
63Villa Poeta José Gálvez Barrenechea Lima region, Peru
19.13.8×
66Maputo Maputo City, Mozambique
18.93.8×
67Kazincbarcika Borsod-Abaúj-Zemplén, Hungary
18.73.7×
68Kalisz Greater Poland, Poland
18.63.7×
68Asunción low-cost sensors Asuncion, Paraguay
18.63.7×
70Otwock Mazovia, Poland
18.53.7×
70Opole Opole Voivodeship, Poland
18.53.7×
72Radomsko Łódź Voivodeship, Poland
18.33.7×
72Łask Łódź Voivodeship, Poland
18.33.7×
74Fengshan Takao, Taiwan
18.23.6×
74Algiers Algiers, Algeria
18.23.6×
74Żywiec Silesia, Poland
18.23.6×
74Rabinal Baja Verapaz, Guatemala
18.23.6×
78Kutno Łódź Voivodeship, Poland
18.13.6×
79Prešov Prešov Region, Slovakia
18.03.6×
79Kielce Świętokrzyskie, Poland
18.03.6×
81Kędzierzyn-Koźle Opole Voivodeship, Poland
17.93.6×
81Czechowice-Dziedzice Silesia, Poland
17.93.6×
83Mielec Subcarpathia, Poland
17.83.6×
83Kraków Lesser Poland, Poland
17.83.6×
85Lublin Lublin, Poland
17.73.5×
85Mong Kok Yau Tsim Mong District, Hong Kong
17.73.5×
87Colombo Western Province, Sri Lanka
17.53.5×
87Quezon City low-cost sensors National Capital Region, Philippines
17.53.5×
89Cluj-Napoca Cluj County, Romania
17.43.5×
90Kłodzko Lower Silesia, Poland
17.33.5×
91Dębica Subcarpathia, Poland
17.23.4×
91Tin Shui Wai Yuen Long, Hong Kong
17.23.4×
93Przemyśl Subcarpathia, Poland
17.13.4×
93Łuków Lublin, Poland
17.13.4×
95Humenné Prešov Region, Slovakia
17.03.4×
95Radom Mazovia, Poland
17.03.4×
95Pruszków Mazovia, Poland
17.03.4×
95Nisko Subcarpathia, Poland
17.03.4×
95San Tung Chung Hang Islands, Hong Kong
17.03.4×
100Zhushan Taiwan, Taiwan
16.93.4×
100Poznań Greater Poland, Poland
16.93.4×
100Futog Vojvodina, Serbia
16.93.4×
103Košice Košice Region, Slovakia
16.83.4×
103Starachowice Świętokrzyskie, Poland
16.83.4×
103Augustów Podlasie, Poland
16.83.4×
106Shakaskraal low-cost sensors KwaZulu-Natal, South Africa
16.73.3×
106Novi Sad Vojvodina, Serbia
16.73.3×
106Guatemala City Guatemala, Guatemala
16.73.3×
109Kościan Greater Poland, Poland
16.63.3×
110Zamość Lublin, Poland
16.53.3×
111Yongkang Taiwan, Taiwan
16.43.3×
112Kaohsiung Takao, Taiwan
16.33.3×
112Erlun Taiwan, Taiwan
16.33.3×
114Douliu Taiwan, Taiwan
16.03.2×
115Legionowo Mazovia, Poland
15.93.2×
116Nyíregyháza Szabolcs-Szatmár-Bereg, Hungary
15.83.2×
116Chaozhou Taiwan, Taiwan
15.83.2×
116Tai Po Tai Po, Hong Kong
15.83.2×
119Vranov nad Topľou Prešov Region, Slovakia
15.73.1×
119Jarosław Subcarpathia, Poland
15.73.1×
119Tainan Taiwan, Taiwan
15.73.1×
119Beigang Taiwan, Taiwan
15.73.1×
123Tsuen Wan Tsuen Wan, Hong Kong
15.63.1×
124Grajewo Podlasie, Poland
15.53.1×
124Richards Bay low-cost sensors KwaZulu-Natal, South Africa
15.53.1×
124Jincheng Fukien, Taiwan
15.53.1×
127Puli Taiwan, Taiwan
15.43.1×
128Żyrardów Mazovia, Poland
15.33.1×
128Kwai Chung Kwai Tsing District, Hong Kong
15.33.1×
130Konstancin-Jeziorna Mazovia, Poland
15.23.0×
130Yuanlin Taiwan, Taiwan
15.23.0×
130Xinying Taiwan, Taiwan
15.23.0×
130Chiayi City Taiwan, Taiwan
15.23.0×
134Wrocław Lower Silesia, Poland
15.13.0×
134Toruń Kujawsko-Pomorskie, Poland
15.13.0×
136Iaşi Iași County, Romania
15.03.0×
136Sham Shui Po Sham Shui Po District, Hong Kong
15.03.0×
138Náchod Hradec Králové Region, Czechia
14.83.0×
138Bydgoszcz Kujawsko-Pomorskie, Poland
14.83.0×
140Botevgrad low-cost sensors Sofia, Bulgaria
14.62.9×
140Rzeszów Subcarpathia, Poland
14.62.9×
140Erlin Taiwan, Taiwan
14.62.9×
140Pécs Baranya, Hungary
14.62.9×
140Jelenia Góra Lower Silesia, Poland
14.62.9×
140Mission Texas, United States
14.62.9×
146Szczecin West Pomerania, Poland
14.52.9×
147Nitra Nitra Region, Slovakia
14.42.9×
148Bucharest Bucharest, Romania
14.32.9×
148Aberdeen Southern District, Hong Kong
14.32.9×
148Łódź Łódź Voivodeship, Poland
14.32.9×
148São Paulo São Paulo, Brazil
14.32.9×
148Jurupa Valley California, United States
14.32.9×
153Olsztyn Warmia-Masuria, Poland
14.22.8×
153Victoria Central and Western, Hong Kong
14.22.8×
153Tijuana Baja California, Mexico
14.22.8×
156Nantou Taiwan, Taiwan
14.12.8×
156Esztergom Komárom-Esztergom, Hungary
14.12.8×
158Warsaw Mazovia, Poland
14.02.8×
158Sau Mau Ping Kwun Tong District, Hong Kong
14.02.8×
158Fontana California, United States
14.02.8×
161Prievidza Trenčín Region, Slovakia
13.92.8×
161Gorzów Wielkopolski Lubusz, Poland
13.92.8×
163Gdynia Pomerania, Poland
13.82.8×
163Elbląg Warmia-Masuria, Poland
13.82.8×
163Fort McMurray Alberta, Canada
13.82.8×
166Wawer Mazovia, Poland
13.72.7×
166Ang Mo Kio New Town Singapore
13.72.7×
168Pułtusk Mazovia, Poland
13.62.7×
168Taibao Taiwan, Taiwan
13.62.7×
168Płock Mazovia, Poland
13.62.7×
171Dunaújváros Fejér, Hungary
13.52.7×
171Los Angeles California, United States
13.52.7×
173Zielona Góra Lubusz, Poland
13.42.7×
173Kościerzyna Pomerania, Poland
13.42.7×
175Białystok Podlasie, Poland
13.32.7×
175Jurong West Singapore
13.32.7×
175Birmingham Alabama, United States
13.32.7×
178Taichung Taiwan, Taiwan
13.12.6×
179Zhubei Taiwan, Taiwan
13.02.6×
180Sha Tin Sha Tin, Hong Kong
12.92.6×
180Badger Alaska, United States
12.92.6×
182Teltow Brandenburg, Germany
12.82.6×
182Bratislava Bratislava Region, Slovakia
12.82.6×
184Craiova Dolj, Romania
12.72.5×
184Tarnów Lesser Poland, Poland
12.72.5×
184Kasaoka Okayama, Japan
12.72.5×
184Riverside California, United States
12.72.5×
184Edmonton Alberta, Canada
12.72.5×
189Buzi Taiwan, Taiwan
12.62.5×
189Gdańsk Pomerania, Poland
12.62.5×
189Visalia California, United States
12.62.5×
192Sevlievo low-cost sensors Gabrovo, Bulgaria
12.52.5×
192Houston Texas, United States
12.52.5×
194Pristina Pristina, Kosovo
12.42.5×
194Ulu Bedok Singapore
12.42.5×
194Świecie Kujawsko-Pomorskie, Poland
12.42.5×
197Haskovo low-cost sensors Haskovo, Bulgaria
12.32.5×
197Bishkek low-cost sensors Bishkek, Kyrgyzstan
12.32.5×
197Toufen Taiwan, Taiwan
12.32.5×
197Saijō Ehime, Japan
12.32.5×

Top 200 of 1,686 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