SmogRank / History / week of February 2, 2026

Most polluted cities, week of February 2, 2026

2,162 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	Faisalabad low-cost sensors Punjab, Pakistan	165.9
2	Bahawalpur low-cost sensors Punjab, Pakistan	157.7
3	Lahore low-cost sensors Punjab, Pakistan	138.9
4	Kojomkul low-cost sensors Chuy Region, Kyrgyzstan	138.6
5	Multan low-cost sensors Punjab, Pakistan	137.6
6	Gujranwala low-cost sensors Punjab, Pakistan	136.5
7	Delhi Delhi, India	123.4
8	Sialkot low-cost sensors Punjab, Pakistan	118.7
9	Hyderabad low-cost sensors Sindh, Pakistan	109.4
10	Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan	109.3
11	Żywiec Silesia, Poland	100.5
12	Rawalpindi low-cost sensors Punjab, Pakistan	89.9
13	Lebedinovka low-cost sensors Chuy Region, Kyrgyzstan	84.3
14	Kłodzko Lower Silesia, Poland	83.5
15	Kathmandu low-cost sensors Bagmati Province, Nepal	82.8
16	Karachi low-cost sensors Sindh, Pakistan	80.1
17	Burunday low-cost sensors Almaty Region, Kazakhstan	72.8
18	Otegen Batyra low-cost sensors Almaty Region, Kazakhstan	70.5
19	Phuntsholing low-cost sensors Chukha, Bhutan	66.5
20	Banja Luka Srpska, Bosnia and Herzegovina	63.4
21	Islamabad low-cost sensors Islamabad, Pakistan	62.1
22	Kampala low-cost sensors Central Region, Uganda	58.8
23	Talghar low-cost sensors Almaty Region, Kazakhstan	58.5
24	Żary Lubusz, Poland	56.6
25	Merseburg Saxony-Anhalt, Germany	55.7
26	Bijelo Polje Bijelo Polje, Montenegro	52.9
27	Jastrzębie Zdrój Silesia, Poland	52.8
28	Târgu Mureş low-cost sensors Mureș County, Romania	51.9
29	Zagreb low-cost sensors Zagreb, Croatia	51.3
30	Bernburg Saxony-Anhalt, Germany	50.8
31	Gorzów Wielkopolski Lubusz, Poland	50.7
32	Kalisz Greater Poland, Poland	49.8
33	Halle (Saale) Saxony-Anhalt, Germany	49.1
33	Stodůlky low-cost sensors Prague, Czechia	49.1
35	Bishkek low-cost sensors Bishkek, Kyrgyzstan	48.5
35	Tulare low-cost sensors California, United States	48.5
37	Changchun low-cost sensors Jilin, China	48.3
38	Târgu Jiu Gorj County, Romania	48.0
39	Zielona Góra Lubusz, Poland	47.8
40	Weißenfels Saxony-Anhalt, Germany	47.4
41	Vientiane low-cost sensors Vientiane Prefecture, Laos	46.9
42	Quetta low-cost sensors Balochistan, Pakistan	46.0
43	Dushanbe Dushanbe, Tajikistan	45.9
43	Racibórz Silesia, Poland	45.9
45	Delano low-cost sensors California, United States	45.5
46	Dessau Saxony-Anhalt, Germany	45.1
46	Burg bei Magdeburg Saxony-Anhalt, Germany	45.1
46	Wrocław Lower Silesia, Poland	45.1
49	Magdeburg Saxony-Anhalt, Germany	45.0
49	Wittenberg Saxony-Anhalt, Germany	45.0
51	Halberstadt Saxony-Anhalt, Germany	44.7
52	Yerevan low-cost sensors Yerevan, Armenia	44.6
53	Tarnów Lesser Poland, Poland	44.5
54	Czechowice-Dziedzice Silesia, Poland	44.4
55	Otwock Mazovia, Poland	44.0
56	Haarlem low-cost sensors North Holland, The Netherlands	43.6
57	Kędzierzyn-Koźle Opole Voivodeship, Poland	43.5
58	Zeitz Saxony-Anhalt, Germany	43.3
59	Debrecen low-cost sensors Hajdú-Bihar, Hungary	43.0
60	Cottbus Brandenburg, Germany	42.6
61	Kraków Lesser Poland, Poland	42.2
62	Dębica Subcarpathia, Poland	41.9
63	Říčany low-cost sensors Central Bohemia, Czechia	41.3
64	Bitola Bitola, North Macedonia	41.1
64	Pljevlja Pljevlja, Montenegro	41.1
66	Ashaiman low-cost sensors Greater Accra, Ghana	40.9
67	Luckenwalde Brandenburg, Germany	40.8
67	Lubnjow Brandenburg, Germany	40.8
69	Dubai low-cost sensors Dubai, United Arab Emirates	40.6
69	Köthen Saxony-Anhalt, Germany	40.6
69	Opole Opole Voivodeship, Poland	40.6
72	Eisenhüttenstadt Brandenburg, Germany	40.5
73	Kavadarci Kavadarci, North Macedonia	40.2
74	Bitterfeld-Wolfen Saxony-Anhalt, Germany	40.1
74	Poznań Greater Poland, Poland	40.1
76	Khlong Luang low-cost sensors Pathum Thani, Thailand	39.9
77	Almaty low-cost sensors Almaty, Kazakhstan	39.4
77	Tema low-cost sensors Greater Accra, Ghana	39.4
79	Włocławek Kujawsko-Pomorskie, Poland	39.1
80	Brandenburg an der Havel Brandenburg, Germany	38.9
81	Rzeszów Subcarpathia, Poland	38.6
82	Łask Łódź Voivodeship, Poland	38.3
83	Königs Wusterhausen Brandenburg, Germany	38.0
84	Jelenia Góra Lower Silesia, Poland	37.5
85	Blankenfelde-Mahlow Brandenburg, Germany	37.4
86	Brikama low-cost sensors Western, Gambia	37.3
86	Stendal Saxony-Anhalt, Germany	37.3
88	Ban Khlong Prawet low-cost sensors Bangkok, Thailand	37.2
89	Berlin State of Berlin, Germany	36.8
89	Sai Mai low-cost sensors Bangkok, Thailand	36.8
91	Chrang Chamreh Muoy low-cost sensors Phnom Penh, Cambodia	36.7
92	Kumanovo Kumanovo, North Macedonia	36.6
92	Chiang Mai low-cost sensors Chiang Mai, Thailand	36.6
94	Potsdam Brandenburg, Germany	36.3
95	Teltow Brandenburg, Germany	36.1
96	Radomsko Łódź Voivodeship, Poland	36.0
97	Oranienburg Brandenburg, Germany	35.7
98	Braunschweig Lower Saxony, Germany	35.6
99	Frankfurt (Oder) Brandenburg, Germany	35.4
100	Gostivar Gostivar, North Macedonia	35.3
101	Brzeg Opole Voivodeship, Poland	35.2
102	Wernigerode Saxony-Anhalt, Germany	35.1
103	Gevgelija Gevgelija, North Macedonia	35.0
103	Salzgitter Lower Saxony, Germany	35.0
105	Veles Veles, North Macedonia	34.9
105	Wolfsburg Lower Saxony, Germany	34.9
107	Gyál Pest County, Hungary	34.8
108	Weimar Thuringia, Germany	34.7
109	Lagos low-cost sensors Lagos, Nigeria	34.6
110	Sighetu Marmaţiei Maramureş, Romania	34.5
110	Mühlhausen Thuringia, Germany	34.5
112	Nauen Brandenburg, Germany	34.0
113	Hannover Lower Saxony, Germany	33.7
114	Oldenburg Lower Saxony, Germany	33.6
115	Bangkok low-cost sensors Bangkok, Thailand	33.5
116	Ruse Ruse, Bulgaria	33.4
116	Neubrandenburg Mecklenburg-Vorpommern, Germany	33.4
116	Erfurt Thuringia, Germany	33.4
119	Hildesheim Lower Saxony, Germany	33.3
120	Fresno California, United States	33.2
121	Goslar Lower Saxony, Germany	32.9
122	Strumica Strumica, North Macedonia	32.8
122	Friesoythe Lower Saxony, Germany	32.8
122	Falkensee Brandenburg, Germany	32.8
122	Tlaquepaque Jalisco, Mexico	32.8
126	Toruń Kujawsko-Pomorskie, Poland	32.4
127	Craiova Dolj, Romania	32.3
128	Legionowo Mazovia, Poland	32.2
129	Katowice Silesia, Poland	32.0
130	Bakersfield California, United States	31.9
130	Hacienda Santa Fe Jalisco, Mexico	31.9
132	Zgierz Łódź Voivodeship, Poland	31.6
133	Bernau bei Berlin Brandenburg, Germany	31.5
133	Altenburg Thuringia, Germany	31.5
133	Visalia California, United States	31.5
136	Kazincbarcika Borsod-Abaúj-Zemplén, Hungary	31.3
137	Dej Cluj County, Romania	31.2
137	Starachowice Świętokrzyskie, Poland	31.2
137	Medemblik North Holland, The Netherlands	31.2
137	Strausberg Brandenburg, Germany	31.2
137	Nordhausen Thuringia, Germany	31.2
142	Prilep Prilep, North Macedonia	31.1
142	Emden Lower Saxony, Germany	31.1
144	Walsrode Lower Saxony, Germany	31.0
145	Białystok Podlasie, Poland	30.9
146	Schwedt (Oder) Brandenburg, Germany	30.7
146	Jena Thuringia, Germany	30.7
146	Cuautla Morelos, Mexico	30.7
149	Radom Mazovia, Poland	30.6
149	Łódź Łódź Voivodeship, Poland	30.6
151	Rēzekne Rēzekne, Latvia	30.5
152	Baia Mare Maramureş, Romania	30.4
153	Kardítsa Thessaly, Greece	30.3
153	Konstancin-Jeziorna Mazovia, Poland	30.3
155	Srinagar Jammu and Kashmir, India	30.2
156	Eisenach Thuringia, Germany	29.9
157	Sarajevo Federation of B&H, Bosnia and Herzegovina	29.7
157	San Luis Potosí San Luis Potosí, Mexico	29.7
159	Żyrardów Mazovia, Poland	29.5
159	Przemyśl Subcarpathia, Poland	29.5
159	Szczecin West Pomerania, Poland	29.5
162	Ełk Warmia-Masuria, Poland	29.4
162	Purmerend North Holland, The Netherlands	29.4
162	Gera Thuringia, Germany	29.4
162	Ciudad Benito Juárez Nuevo León, Mexico	29.4
166	Miskolc Borsod-Abaúj-Zemplén, Hungary	29.2
167	Istanbul low-cost sensors Istanbul, Turkey	29.1
168	Zamość Lublin, Poland	28.9
168	Velsen-Zuid North Holland, The Netherlands	28.9
170	Krosno Subcarpathia, Poland	28.8
170	Schwerin Mecklenburg-Vorpommern, Germany	28.8
172	Groningen Groningen, The Netherlands	28.7
172	Neuenhagen Brandenburg, Germany	28.7
172	Modesto California, United States	28.7
175	Oyten Lower Saxony, Germany	28.5
175	Neuruppin Brandenburg, Germany	28.5
177	Mielec Subcarpathia, Poland	28.4
177	Douliu Taiwan, Taiwan	28.4
179	Hamburg Hamburg, Germany	28.2
180	Guadalajara Jalisco, Mexico	28.1
181	Calafat Dolj, Romania	28.0
181	Vereeniging low-cost sensors Gauteng, South Africa	28.0
181	Fengshan Takao, Taiwan	28.0
181	Kleinmachnow Brandenburg, Germany	28.0
185	Suceava Suceava, Romania	27.9
185	Accra low-cost sensors Greater Accra, Ghana	27.9
187	Ilinden Ilinden, North Macedonia	27.7
188	Vilnius Vilnius, Lithuania	27.5
188	Hansestadt Salzwedel Saxony-Anhalt, Germany	27.5
188	Velserbroek North Holland, The Netherlands	27.5
191	Pruszków Mazovia, Poland	27.4
191	Zaanstad North Holland, The Netherlands	27.4
193	Rinteln Lower Saxony, Germany	27.3
194	Nisko Subcarpathia, Poland	27.2
194	Osnabrück Lower Saxony, Germany	27.2
194	Greiz Thuringia, Germany	27.2
194	Gdańsk Pomerania, Poland	27.2
198	Badhoevedorp North Holland, The Netherlands	27.1
198	Hanford California, United States	27.1
200	Chiayi City Taiwan, Taiwan	27.0

Top 200 of 2,162 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