SmogRank / History / January 18, 2026

Most polluted cities on January 18, 2026

2,230 cities ranked by their average PM2.5 over the day. Each city's own local calendar day.

← January 17, 2026January 19, 2026 →
#City µg/m³× WHO
1Sialkot low-cost sensors Punjab, Pakistan
314.020.9×
2Kojomkul low-cost sensors Chuy Region, Kyrgyzstan
308.020.5×
3Lahore low-cost sensors Punjab, Pakistan
305.020.3×
4Gujranwala low-cost sensors Punjab, Pakistan
302.020.1×
5Faisalabad low-cost sensors Punjab, Pakistan
298.519.9×
6Delhi Delhi, India
291.019.4×
7Bahawalpur low-cost sensors Punjab, Pakistan
262.017.5×
8Rahim Yar Khan low-cost sensors Punjab, Pakistan
250.016.7×
9Bishkek low-cost sensors Bishkek, Kyrgyzstan
245.016.3×
10Lebedinovka low-cost sensors Chuy Region, Kyrgyzstan
231.015.4×
11Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan
204.513.6×
12Multan low-cost sensors Punjab, Pakistan
204.013.6×
13Srinagar Jammu and Kashmir, India
202.513.5×
14Hyderabad low-cost sensors Sindh, Pakistan
181.012.1×
15Târgu Mureş low-cost sensors Mureș County, Romania
173.011.5×
16Rawalpindi low-cost sensors Punjab, Pakistan
149.09.9×
17Dushanbe Dushanbe, Tajikistan
136.09.1×
18Żywiec Silesia, Poland
127.08.5×
19Dej Cluj County, Romania
126.58.4×
20Sighetu Marmaţiei Maramureş, Romania
123.08.2×
21Talghar low-cost sensors Almaty Region, Kazakhstan
118.07.9×
22Sarajevo Federation of B&H, Bosnia and Herzegovina
107.07.1×
23Karviná Moravian-Silesian Region, Czechia
98.46.6×
24Bielsko-Biala Silesia, Poland
93.66.2×
25Bohumín Moravian-Silesian Region, Czechia
89.86.0×
26Karachi low-cost sensors Sindh, Pakistan
87.75.8×
27Travnik Federation of B&H, Bosnia and Herzegovina
84.35.6×
28Kampala low-cost sensors Central Region, Uganda
83.65.6×
29Opole Opole Voivodeship, Poland
83.25.5×
30Český Těšín Moravian-Silesian Region, Czechia
82.85.5×
31Islamabad low-cost sensors Islamabad, Pakistan
81.05.4×
32Almaty low-cost sensors Almaty, Kazakhstan
77.45.2×
33Yerevan low-cost sensors Yerevan, Armenia
76.55.1×
34Jastrzębie Zdrój Silesia, Poland
72.64.8×
35Tarnów Lesser Poland, Poland
71.44.8×
36Wrocław Lower Silesia, Poland
70.54.7×
37Frýdek-Místek Moravian-Silesian Region, Czechia
69.34.6×
38Jasło Subcarpathia, Poland
68.64.6×
38Havířov Moravian-Silesian Region, Czechia
68.64.6×
40Vientiane low-cost sensors Vientiane Prefecture, Laos
65.14.3×
41Kathmandu low-cost sensors Bagmati Province, Nepal
64.64.3×
42Racibórz Silesia, Poland
64.24.3×
43Burunday low-cost sensors Almaty Region, Kazakhstan
63.94.3×
44Otegen Batyra low-cost sensors Almaty Region, Kazakhstan
63.44.2×
45Khlong Luang low-cost sensors Pathum Thani, Thailand
62.44.2×
46Gorzów Wielkopolski Lubusz, Poland
61.34.1×
47Czechowice-Dziedzice Silesia, Poland
60.44.0×
48Baia Mare Maramureş, Romania
60.04.0×
49Bijelo Polje Bijelo Polje, Montenegro
59.44.0×
50Târgu Jiu Gorj County, Romania
59.03.9×
51Debrecen low-cost sensors Hajdú-Bihar, Hungary
58.63.9×
52Ostrava Moravian-Silesian Region, Czechia
57.23.8×
53Kędzierzyn-Koźle Opole Voivodeship, Poland
57.13.8×
54Brzeg Opole Voivodeship, Poland
55.83.7×
55Pljevlja Pljevlja, Montenegro
54.23.6×
56Dębica Subcarpathia, Poland
53.73.6×
57Lagos low-cost sensors Lagos, Nigeria
53.03.5×
58Kazincbarcika Borsod-Abaúj-Zemplén, Hungary
51.83.5×
59Zielona Góra Lubusz, Poland
51.43.4×
60Haarlem low-cost sensors North Holland, The Netherlands
50.53.4×
61Legionowo Mazovia, Poland
50.43.4×
62Kraków Lesser Poland, Poland
49.23.3×
63Changchun low-cost sensors Jilin, China
49.03.3×
64Zamość Lublin, Poland
48.63.2×
65Sai Mai low-cost sensors Bangkok, Thailand
48.23.2×
66Tema low-cost sensors Greater Accra, Ghana
47.93.2×
67Kavadarci Kavadarci, North Macedonia
47.63.2×
67Phuntsholing low-cost sensors Chukha, Bhutan
47.63.2×
67Iloilo low-cost sensors Western Visayas, Philippines
47.63.2×
67Ashaiman low-cost sensors Greater Accra, Ghana
47.63.2×
71Włocławek Kujawsko-Pomorskie, Poland
47.13.1×
72Chrang Chamreh Muoy low-cost sensors Phnom Penh, Cambodia
46.13.1×
73Rzeszów Subcarpathia, Poland
45.53.0×
74Poznań Greater Poland, Poland
45.43.0×
75Kalisz Greater Poland, Poland
45.23.0×
76Quezon City low-cost sensors National Capital Region, Philippines
44.83.0×
76Porto low-cost sensors Porto, Portugal
44.83.0×
78Třinec Moravian-Silesian Region, Czechia
44.73.0×
79Ban Khlong Prawet low-cost sensors Bangkok, Thailand
44.33.0×
80Eisenhüttenstadt Brandenburg, Germany
44.02.9×
81Bang Pakong low-cost sensors Chachoengsao, Thailand
43.82.9×
82Gdańsk Pomerania, Poland
43.72.9×
83Żary Lubusz, Poland
43.12.9×
84Przemyśl Subcarpathia, Poland
42.92.9×
85Suceava Suceava, Romania
42.72.8×
85Toruń Kujawsko-Pomorskie, Poland
42.72.8×
87Suwałki Podlasie, Poland
42.62.8×
88Craiova Dolj, Romania
42.22.8×
89Cluj-Napoca Cluj County, Romania
42.12.8×
89Zagreb low-cost sensors Zagreb, Croatia
42.12.8×
89Tulare low-cost sensors California, United States
42.12.8×
92Nyíregyháza Szabolcs-Szatmár-Bereg, Hungary
42.02.8×
93Otwock Mazovia, Poland
41.72.8×
94Łask Łódź Voivodeship, Poland
41.42.8×
95Iaşi Iași County, Romania
41.22.7×
95Miskolc Borsod-Abaúj-Zemplén, Hungary
41.22.7×
97Copenhagen low-cost sensors Capital Region, Denmark
40.92.7×
97Banja Luka Srpska, Bosnia and Herzegovina
40.92.7×
99Bangkok low-cost sensors Bangkok, Thailand
40.82.7×
100Medina Estates low-cost sensors Greater Accra, Ghana
40.62.7×
100Gdynia Pomerania, Poland
40.62.7×
102Żyrardów Mazovia, Poland
40.32.7×
102Katowice Silesia, Poland
40.32.7×
102Bydgoszcz Kujawsko-Pomorskie, Poland
40.32.7×
105Valašské Meziříčí Zlín, Czechia
39.82.7×
106Gevgelija Gevgelija, North Macedonia
39.42.6×
107Ventspils Ventspils, Latvia
39.12.6×
107Meylan Auvergne-Rhône-Alpes, France
39.12.6×
109Strumica Strumica, North Macedonia
38.92.6×
110Elk Grove low-cost sensors California, United States
38.82.6×
111Delano low-cost sensors California, United States
38.62.6×
112Radomsko Łódź Voivodeship, Poland
38.52.6×
113Sopot Pomerania, Poland
38.42.6×
114Accra low-cost sensors Greater Accra, Ghana
37.82.5×
115Schwedt (Oder) Brandenburg, Germany
37.62.5×
116Neubrandenburg Mecklenburg-Vorpommern, Germany
37.32.5×
117Szczecin West Pomerania, Poland
36.92.5×
118Stralsund Mecklenburg-Vorpommern, Germany
36.62.4×
118Budapest Budapest, Hungary
36.62.4×
120Olomouc Olomouc Region, Czechia
36.52.4×
121Zgierz Łódź Voivodeship, Poland
36.42.4×
122Frankfurt (Oder) Brandenburg, Germany
36.32.4×
123Kościerzyna Pomerania, Poland
36.02.4×
124Piatra Neamţ Neamț County, Romania
35.52.4×
125Bitola Bitola, North Macedonia
35.32.4×
125Shintomi Miyazaki, Japan
35.32.4×
127Ciechanów Mazovia, Poland
35.22.3×
128Lyon Auvergne-Rhône-Alpes, France
35.02.3×
129Voluntari Ilfov, Romania
34.92.3×
130Konstancin-Jeziorna Mazovia, Poland
34.72.3×
131Timişoara Timiș County, Romania
34.32.3×
131Winterthur low-cost sensors Zurich, Switzerland
34.32.3×
131Newton low-cost sensors Massachusetts, United States
34.32.3×
134Radom Mazovia, Poland
34.12.3×
134Lublin Lublin, Poland
34.12.3×
136Xonacatlán México, Mexico
34.02.3×
137Kaohsiung Takao, Taiwan
33.82.3×
138Veles Veles, North Macedonia
33.62.2×
138Strausberg Brandenburg, Germany
33.62.2×
138Annemasse Auvergne-Rhône-Alpes, France
33.62.2×
141Hacienda Santa Fe Jalisco, Mexico
33.52.2×
142Ilinden Ilinden, North Macedonia
33.22.2×
143Kołobrzeg West Pomerania, Poland
33.12.2×
144Starachowice Świętokrzyskie, Poland
33.02.2×
144Nisko Subcarpathia, Poland
33.02.2×
146Lilongwe low-cost sensors Central Region, Malawi
32.62.2×
146Füssen low-cost sensors Bavaria, Germany
32.62.2×
148Pruszków Mazovia, Poland
32.52.2×
148Přerov Olomouc Region, Czechia
32.52.2×
150Oranienburg Brandenburg, Germany
32.42.2×
150Berlin State of Berlin, Germany
32.42.2×
150Płock Mazovia, Poland
32.42.2×
150Łódź Łódź Voivodeship, Poland
32.42.2×
150Ptuj Urban Municipality of Ptuj, Slovenia
32.42.2×
155Warsaw Mazovia, Poland
32.22.1×
156Popeşti-Leordeni Ilfov, Romania
32.12.1×
156Lexington low-cost sensors Massachusetts, United States
32.12.1×
158Piteşti Arges, Romania
32.02.1×
159Buftea Ilfov, Romania
31.92.1×
159El Paso Texas, United States
31.92.1×
161Krosno Subcarpathia, Poland
31.82.1×
162Białystok Podlasie, Poland
31.62.1×
163Gostivar Gostivar, North Macedonia
31.52.1×
163Gyál Pest County, Hungary
31.52.1×
165Rēzekne Rēzekne, Latvia
31.42.1×
165Esztergom Komárom-Esztergom, Hungary
31.42.1×
167Bucharest Bucharest, Romania
31.22.1×
167Florin low-cost sensors California, United States
31.22.1×
169Königs Wusterhausen Brandenburg, Germany
31.12.1×
170Grenoble Auvergne-Rhône-Alpes, France
30.92.1×
171Overijse low-cost sensors Flanders, Belgium
30.82.1×
172Fengshan Takao, Taiwan
30.72.0×
172Lancaster Pennsylvania, United States
30.72.0×
174Calafat Dolj, Romania
30.52.0×
174Ziguinchor low-cost sensors Ziguinchor, Senegal
30.52.0×
176Neuruppin Brandenburg, Germany
30.32.0×
176Bernau bei Berlin Brandenburg, Germany
30.32.0×
176Zacatepec de Hidalgo Morelos, Mexico
30.32.0×
179Ruse Ruse, Bulgaria
30.22.0×
179Győr Győr-Moson-Sopron, Hungary
30.22.0×
181Ełk Warmia-Masuria, Poland
30.02.0×
181Douliu Taiwan, Taiwan
30.02.0×
181Bakersfield California, United States
30.02.0×
181Blankenfelde-Mahlow Brandenburg, Germany
30.02.0×
185Olsztyn Warmia-Masuria, Poland
29.92.0×
185Mielec Subcarpathia, Poland
29.92.0×
187Teltow Brandenburg, Germany
29.72.0×
188Dubai low-cost sensors Dubai, United Arab Emirates
29.52.0×
188Cambridge low-cost sensors England, United Kingdom
29.52.0×
190Kumanovo Kumanovo, North Macedonia
29.42.0×
191Onomichi Hiroshima, Japan
29.32.0×
191San Luis Potosí San Luis Potosí, Mexico
29.32.0×
191York Pennsylvania, United States
29.32.0×
191Abington low-cost sensors Pennsylvania, United States
29.32.0×
195Istanbul low-cost sensors Istanbul, Turkey
29.21.9×
195Tainan Taiwan, Taiwan
29.21.9×
197Bottrop North Rhine-Westphalia, Germany
29.11.9×
198Wan Chai Wan Chai, Hong Kong
29.01.9×
199Rostock Mecklenburg-Vorpommern, Germany
28.81.9×
200Ciudad Juárez Chihuahua, Mexico
28.71.9×

Top 200 of 2,230 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