SmogRank / History / January 20, 2026

Most polluted cities on January 20, 2026

2,172 cities ranked by their average PM2.5 over the day. Each city's own local calendar day.

← January 19, 2026January 21, 2026 →
#City µg/m³× WHO
1Faisalabad low-cost sensors Punjab, Pakistan
358.023.9×
2Lahore low-cost sensors Punjab, Pakistan
325.021.7×
3Bahawalpur low-cost sensors Punjab, Pakistan
305.520.4×
4Multan low-cost sensors Punjab, Pakistan
292.019.5×
5Kojomkul low-cost sensors Chuy Region, Kyrgyzstan
291.019.4×
6Lebedinovka low-cost sensors Chuy Region, Kyrgyzstan
256.017.1×
7Gujranwala low-cost sensors Punjab, Pakistan
218.014.5×
8Delhi Delhi, India
213.014.2×
9Sialkot low-cost sensors Punjab, Pakistan
195.513.0×
10Târgu Mureş low-cost sensors Mureș County, Romania
190.012.7×
11Otegen Batyra low-cost sensors Almaty Region, Kazakhstan
175.011.7×
12Srinagar Jammu and Kashmir, India
161.510.8×
13Burunday low-cost sensors Almaty Region, Kazakhstan
160.010.7×
14Dushanbe Dushanbe, Tajikistan
159.010.6×
15Kraków Lesser Poland, Poland
154.010.3×
16Dej Cluj County, Romania
152.010.1×
17Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan
149.09.9×
18Sighetu Marmaţiei Maramureş, Romania
146.09.7×
19Hyderabad low-cost sensors Sindh, Pakistan
145.09.7×
20Bishkek low-cost sensors Bishkek, Kyrgyzstan
144.09.6×
21Ciechanów Mazovia, Poland
141.09.4×
22Rawalpindi low-cost sensors Punjab, Pakistan
131.08.7×
23Czechowice-Dziedzice Silesia, Poland
128.08.5×
24Otwock Mazovia, Poland
121.08.1×
25Rzeszów Subcarpathia, Poland
117.57.8×
26Suwałki Podlasie, Poland
117.07.8×
27Ełk Warmia-Masuria, Poland
114.07.6×
28Suceava Suceava, Romania
112.07.5×
29Pljevlja Pljevlja, Montenegro
110.07.3×
30Codlea Brașov County, Romania
108.07.2×
30Kazincbarcika Borsod-Abaúj-Zemplén, Hungary
108.07.2×
32Augustów Podlasie, Poland
107.07.1×
33Przemyśl Subcarpathia, Poland
103.06.9×
34Jarosław Subcarpathia, Poland
102.06.8×
34Islamabad low-cost sensors Islamabad, Pakistan
102.06.8×
36Iaşi Iași County, Romania
99.96.7×
37Lublin Lublin, Poland
95.16.3×
38Sarajevo Federation of B&H, Bosnia and Herzegovina
94.36.3×
39Żywiec Silesia, Poland
90.56.0×
40Starachowice Świętokrzyskie, Poland
89.66.0×
41Nisko Subcarpathia, Poland
88.85.9×
42Białystok Podlasie, Poland
88.35.9×
43Kościerzyna Pomerania, Poland
87.65.8×
44Legionowo Mazovia, Poland
85.85.7×
45Târgu Jiu Gorj County, Romania
84.65.6×
46Talghar low-cost sensors Almaty Region, Kazakhstan
83.95.6×
47Kumanovo Kumanovo, North Macedonia
82.85.5×
48Gdańsk Pomerania, Poland
81.45.4×
49Warsaw Mazovia, Poland
79.55.3×
50Zalău Sălaj County, Romania
79.35.3×
51Gdynia Pomerania, Poland
79.25.3×
52Strumica Strumica, North Macedonia
78.45.2×
53Włocławek Kujawsko-Pomorskie, Poland
78.05.2×
54Konstancin-Jeziorna Mazovia, Poland
77.85.2×
55Debrecen low-cost sensors Hajdú-Bihar, Hungary
76.25.1×
55Mielec Subcarpathia, Poland
76.25.1×
57Craiova Dolj, Romania
75.85.1×
58Pruszków Mazovia, Poland
74.45.0×
59Miskolc Borsod-Abaúj-Zemplén, Hungary
73.64.9×
60Olsztyn Warmia-Masuria, Poland
70.74.7×
61Baia Mare Maramureş, Romania
70.64.7×
62Kavadarci Kavadarci, North Macedonia
69.34.6×
63Cluj-Napoca Cluj County, Romania
68.54.6×
64Bydgoszcz Kujawsko-Pomorskie, Poland
67.54.5×
65Radomsko Łódź Voivodeship, Poland
67.34.5×
66Radom Mazovia, Poland
66.54.4×
67Chrang Chamreh Muoy low-cost sensors Phnom Penh, Cambodia
65.94.4×
68Podgorica Podgorica, Montenegro
64.94.3×
69Travnik Federation of B&H, Bosnia and Herzegovina
64.64.3×
70Vientiane low-cost sensors Vientiane Prefecture, Laos
64.04.3×
71Buftea Ilfov, Romania
63.94.3×
72Bijelo Polje Bijelo Polje, Montenegro
63.34.2×
73Almaty low-cost sensors Almaty, Kazakhstan
62.84.2×
74Kielce Świętokrzyskie, Poland
61.74.1×
75Toruń Kujawsko-Pomorskie, Poland
60.84.1×
76Zagreb low-cost sensors Zagreb, Croatia
59.44.0×
77Płock Mazovia, Poland
59.23.9×
78Kathmandu low-cost sensors Bagmati Province, Nepal
59.03.9×
79Karachi low-cost sensors Sindh, Pakistan
58.93.9×
80Katowice Silesia, Poland
58.33.9×
81Voluntari Ilfov, Romania
58.23.9×
82Wawer Mazovia, Poland
57.93.9×
83Żyrardów Mazovia, Poland
57.83.9×
83Elbląg Warmia-Masuria, Poland
57.83.9×
85Łódź Łódź Voivodeship, Poland
57.53.8×
86Gostivar Gostivar, North Macedonia
57.43.8×
87Kampala low-cost sensors Central Region, Uganda
57.13.8×
87Dębica Subcarpathia, Poland
57.13.8×
89Popeşti-Leordeni Ilfov, Romania
56.83.8×
90Riga Riga, Latvia
56.53.8×
91Veles Veles, North Macedonia
55.63.7×
92Phuntsholing low-cost sensors Chukha, Bhutan
55.03.7×
93Tarnów Lesser Poland, Poland
53.73.6×
94Gorzów Wielkopolski Lubusz, Poland
53.63.6×
95Stodůlky low-cost sensors Prague, Czechia
53.23.5×
96Zgierz Łódź Voivodeship, Poland
52.83.5×
97Khlong Luang low-cost sensors Pathum Thani, Thailand
52.63.5×
97Banja Luka Srpska, Bosnia and Herzegovina
52.63.5×
99Liepāja Liepaja, Latvia
52.33.5×
100Gevgelija Gevgelija, North Macedonia
51.93.5×
100Łask Łódź Voivodeship, Poland
51.93.5×
100Ptuj Urban Municipality of Ptuj, Slovenia
51.93.5×
103Rēzekne Rēzekne, Latvia
51.73.4×
104Lagos low-cost sensors Lagos, Nigeria
50.83.4×
105Bucharest Bucharest, Romania
50.63.4×
106Nikšić Opština Nikšić, Montenegro
49.83.3×
107Quetta low-cost sensors Balochistan, Pakistan
49.03.3×
108Nyíregyháza Szabolcs-Szatmár-Bereg, Hungary
47.33.2×
109Murree low-cost sensors Punjab, Pakistan
46.93.1×
110Dimitrovgrad low-cost sensors Haskovo, Bulgaria
46.23.1×
111Prilep Prilep, North Macedonia
45.53.0×
112Dubai low-cost sensors Dubai, United Arab Emirates
45.03.0×
113Zacatepec de Hidalgo Morelos, Mexico
44.43.0×
114Sai Mai low-cost sensors Bangkok, Thailand
43.52.9×
115Esztergom Komárom-Esztergom, Hungary
43.32.9×
116Haarlem low-cost sensors North Holland, The Netherlands
42.52.8×
117Haskovo low-cost sensors Haskovo, Bulgaria
41.72.8×
118Ilinden Ilinden, North Macedonia
41.62.8×
119Ban Khlong Prawet low-cost sensors Bangkok, Thailand
41.52.8×
120Gabrovo low-cost sensors Gabrovo, Bulgaria
41.32.8×
121Ventspils Ventspils, Latvia
41.02.7×
122San Pawl il-Baħar Saint Paul’s Bay, Malta
40.32.7×
123Worms Rheinland-Pfalz, Germany
39.82.7×
124Copenhagen low-cost sensors Capital Region, Denmark
39.42.6×
124Xonacatlán México, Mexico
39.42.6×
126Visby Gotland, Sweden
39.32.6×
127Passau Bavaria, Germany
39.22.6×
128Piatra Neamţ Neamț County, Romania
39.02.6×
129Bad Kreuznach Rheinland-Pfalz, Germany
38.72.6×
130Říčany low-cost sensors Central Bohemia, Czechia
38.62.6×
131Lilongwe low-cost sensors Central Region, Malawi
38.52.6×
132Saltillo Coahuila, Mexico
38.42.6×
133Żary Lubusz, Poland
38.32.6×
134Żabbar Ħaż-Żabbar, Malta
38.12.5×
135Delano low-cost sensors California, United States
38.02.5×
136Ashaiman low-cost sensors Greater Accra, Ghana
37.82.5×
136Mosta Il-Mosta, Malta
37.82.5×
138Bellinzona Ticino, Switzerland
37.72.5×
139Ciudad Nezahualcoyotl México, Mexico
37.62.5×
140Badger Alaska, United States
37.42.5×
141Bangkok low-cost sensors Bangkok, Thailand
36.62.4×
142Braşov Brașov County, Romania
36.12.4×
142Budapest Budapest, Hungary
36.12.4×
144Calafat Dolj, Romania
35.92.4×
145Iloilo low-cost sensors Western Visayas, Philippines
35.62.4×
146Timişoara Timiș County, Romania
35.32.4×
147Mannheim Baden-Wurttemberg, Germany
35.02.3×
148Valletta Valletta, Malta
34.62.3×
149Yerevan low-cost sensors Yerevan, Armenia
34.02.3×
149Tema low-cost sensors Greater Accra, Ghana
34.02.3×
151Tulare low-cost sensors California, United States
33.42.2×
152Speyer Rheinland-Pfalz, Germany
32.72.2×
152Gijón Asturias, Spain
32.72.2×
154Tübingen Baden-Wurttemberg, Germany
32.62.2×
155Reutlingen Baden-Wurttemberg, Germany
32.42.2×
156Mainz Rheinland-Pfalz, Germany
32.32.2×
156Lampertheim Hesse, Germany
32.32.2×
156Frankfurt am Main Hesse, Germany
32.32.2×
159Sukuta low-cost sensors Western, Gambia
32.22.1×
160Graz Styria, Austria
31.82.1×
160Heidelberg Baden-Wurttemberg, Germany
31.82.1×
162Lugano Ticino, Switzerland
31.72.1×
163Stuttgart Baden-Wurttemberg, Germany
31.62.1×
163Ludwigshafen am Rhein Rheinland-Pfalz, Germany
31.62.1×
165Sevlievo low-cost sensors Gabrovo, Bulgaria
31.32.1×
165Novo Mesto Urban Municipality of Novo Mesto, Slovenia
31.32.1×
167Varna Varna, Bulgaria
31.22.1×
167Heilbronn Baden-Wurttemberg, Germany
31.22.1×
167Datteln North Rhine-Westphalia, Germany
31.22.1×
170Szczecin West Pomerania, Poland
30.92.1×
170Filderstadt Baden-Wurttemberg, Germany
30.92.1×
172Huntington Beach low-cost sensors California, United States
30.82.1×
173Quezon City low-cost sensors National Capital Region, Philippines
30.52.0×
174Winterthur low-cost sensors Zurich, Switzerland
30.12.0×
174Mühlhausen Thuringia, Germany
30.12.0×
176Gyál Pest County, Hungary
30.02.0×
176Maribor Urban Municipality of Maribor, Slovenia
30.02.0×
178Schwäbisch Hall Baden-Wurttemberg, Germany
29.92.0×
179Darmstadt Hesse, Germany
29.72.0×
179Jastrzębie Zdrój Silesia, Poland
29.72.0×
181Eschborn Hesse, Germany
29.62.0×
181Romans-sur-Isère Auvergne-Rhône-Alpes, France
29.62.0×
181Győr Győr-Moson-Sopron, Hungary
29.62.0×
181Mexico City Mexico City, Mexico
29.62.0×
185Bensheim Hesse, Germany
29.42.0×
186Ulm Baden-Wurttemberg, Germany
29.32.0×
187Zielona Góra Lubusz, Poland
29.11.9×
188Fengshan Takao, Taiwan
29.01.9×
188Nordhausen Thuringia, Germany
29.01.9×
190Arles Provence-Alpes-Côte d'Azur, France
28.81.9×
191Norrköping Östergötland, Sweden
28.71.9×
192Overijse low-cost sensors Flanders, Belgium
28.61.9×
193Ruse Ruse, Bulgaria
28.51.9×
194Rüsselsheim am Main Hesse, Germany
28.41.9×
195Ourense Galicia, Spain
28.31.9×
196Bitola Bitola, North Macedonia
28.11.9×
196Olpe low-cost sensors North Rhine-Westphalia, Germany
28.11.9×
198Schiedam South Holland, The Netherlands
28.01.9×
198Limburg an der Lahn Hesse, Germany
28.01.9×
200Gelsenkirchen North Rhine-Westphalia, Germany
27.71.8×

Top 200 of 2,172 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