SmogRank / History / week of January 19, 2026

Most polluted cities, week of January 19, 2026

1,870 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	Kojomkul low-cost sensors Chuy Region, Kyrgyzstan	336.0
2	Lebedinovka low-cost sensors Chuy Region, Kyrgyzstan	234.6
3	Faisalabad low-cost sensors Punjab, Pakistan	211.1
4	Durgapur West Bengal, India	189.6
5	Târgu Mureş low-cost sensors Mureș County, Romania	182.7
5	Bishkek low-cost sensors Bishkek, Kyrgyzstan	182.7
7	Bahawalpur low-cost sensors Punjab, Pakistan	171.7
8	Lahore low-cost sensors Punjab, Pakistan	168.0
9	Multan low-cost sensors Punjab, Pakistan	165.3
10	Singrauli Madhya Pradesh, India	164.8
11	Delhi Delhi, India	162.2
12	Gurugram Haryana, India	161.5
13	Gujranwala low-cost sensors Punjab, Pakistan	158.5
14	Sialkot low-cost sensors Punjab, Pakistan	148.1
15	Dej Cluj County, Romania	138.4
16	Żywiec Silesia, Poland	138.3
17	Travnik Federation of B&H, Bosnia and Herzegovina	134.2
18	Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan	133.5
19	Sighetu Marmaţiei Maramureş, Romania	131.5
20	Dādri Uttar Pradesh, India	129.2
21	Sarajevo Federation of B&H, Bosnia and Herzegovina	123.9
21	Noida Uttar Pradesh, India	123.9
23	Narela Delhi, India	123.7
24	Dhāruhera Haryana, India	117.4
25	Banja Luka Srpska, Bosnia and Herzegovina	115.5
26	Pljevlja Pljevlja, Montenegro	113.3
27	Bhiwadi Rajasthan, India	112.4
28	Ghāziābād Uttar Pradesh, India	110.0
29	Dushanbe Dushanbe, Tajikistan	109.8
30	Gummidipundi Tamil Nadu, India	109.7
30	Pimpri-Chinchwad Maharashtra, India	109.7
32	Talghar low-cost sensors Almaty Region, Kazakhstan	107.9
32	Otegen Batyra low-cost sensors Almaty Region, Kazakhstan	107.9
34	Kolkata West Bengal, India	107.5
35	Rānīganj West Bengal, India	102.9
36	Hyderabad low-cost sensors Sindh, Pakistan	100.4
37	Bielsko-Biala Silesia, Poland	100.1
38	Greater Noida Uttar Pradesh, India	100.0
39	Burunday low-cost sensors Almaty Region, Kazakhstan	99.5
40	Czechowice-Dziedzice Silesia, Poland	98.2
41	Hāpur Uttar Pradesh, India	96.6
41	Kraków Lesser Poland, Poland	96.6
43	Yerevan low-cost sensors Yerevan, Armenia	96.5
44	Faridabad Haryana, India	95.0
45	Aya Nagar Delhi, India	94.3
46	Târgu Jiu Gorj County, Romania	91.6
47	Karviná Moravian-Silesian Region, Czechia	90.5
48	Rawalpindi low-cost sensors Punjab, Pakistan	90.3
49	Najafgarh Delhi, India	89.9
50	Bijelo Polje Bijelo Polje, Montenegro	89.2
51	Frýdek-Místek Moravian-Silesian Region, Czechia	88.4
52	Český Těšín Moravian-Silesian Region, Czechia	88.2
53	Lucknow Uttar Pradesh, India	86.8
54	Bohumín Moravian-Silesian Region, Czechia	86.7
55	Valašské Meziříčí Zlín, Czechia	86.2
56	Rzeszów Subcarpathia, Poland	85.1
57	Bahadurgarh Haryana, India	84.9
58	Nagpur Maharashtra, India	84.8
59	Havířov Moravian-Silesian Region, Czechia	84.3
60	Angul Odisha, India	83.0
61	Almaty low-cost sensors Almaty, Kazakhstan	82.3
62	Tumkūr Karnataka, India	82.1
63	Gostivar Gostivar, North Macedonia	81.9
64	Ostrava Moravian-Silesian Region, Czechia	81.8
65	Debrecen low-cost sensors Hajdú-Bihar, Hungary	80.7
66	Chānda Maharashtra, India	79.7
67	Kazincbarcika Borsod-Abaúj-Zemplén, Hungary	79.6
68	Hājīpur Bihar, India	79.0
68	Āsansol West Bengal, India	79.0
70	Haldia West Bengal, India	78.1
71	Rasapūdipalem Andhra Pradesh, India	77.5
72	Tarnów Lesser Poland, Poland	77.0
73	Zagreb low-cost sensors Zagreb, Croatia	76.9
74	Gwalior Madhya Pradesh, India	76.7
75	Otwock Mazovia, Poland	76.5
76	Cluj-Napoca Cluj County, Romania	74.8
76	Bhubaneswar Odisha, India	74.8
78	Shrīrāmpur West Bengal, India	74.7
79	Třinec Moravian-Silesian Region, Czechia	74.6
80	Byasanagar Odisha, India	74.5
81	Gorzów Wielkopolski Lubusz, Poland	74.4
82	Przemyśl Subcarpathia, Poland	73.7
83	Cuttack Odisha, India	73.2
84	Strumica Strumica, North Macedonia	72.9
85	Bāghpat Uttar Pradesh, India	72.6
86	Miskolc Borsod-Abaúj-Zemplén, Hungary	72.5
87	Saharsa Bihar, India	72.0
88	Codlea Brașov County, Romania	71.2
89	Keonjhargarh Odisha, India	71.0
90	Kalyān Maharashtra, India	70.4
91	Żary Lubusz, Poland	70.0
92	Islamabad low-cost sensors Islamabad, Pakistan	69.5
93	Chittorgarh Rajasthan, India	69.4
94	Srinagar Jammu and Kashmir, India	68.8
95	Bhopal Madhya Pradesh, India	68.7
96	Nagaon Assam, India	68.5
96	Barbil Odisha, India	68.5
98	Rourkela Odisha, India	68.3
98	Pune Maharashtra, India	68.3
100	Siwān Bihar, India	68.1
101	Aurangabad Maharashtra, India	67.2
102	Ciechanów Mazovia, Poland	67.0
102	Olomouc Olomouc Region, Czechia	67.0
104	Sīkar Rajasthan, India	66.3
105	Bettiah Bihar, India	65.9
106	Kathmandu low-cost sensors Bagmati Province, Nepal	65.6
107	Arāria Bihar, India	65.5
108	Jastrzębie Zdrój Silesia, Poland	65.3
109	Karnāl Haryana, India	64.8
110	Jarosław Subcarpathia, Poland	64.7
111	Jalgaon Maharashtra, India	64.6
112	Bitola Bitola, North Macedonia	64.5
113	Mielec Subcarpathia, Poland	64.4
114	Starachowice Świętokrzyskie, Poland	64.2
115	Thānesar Haryana, India	63.7
116	Kota Rajasthan, India	63.6
117	Badlapur Maharashtra, India	63.5
117	Přerov Olomouc Region, Czechia	63.5
119	Jhālāwār Rajasthan, India	63.1
120	Jaipur Rajasthan, India	62.8
121	Buxar Bihar, India	62.7
122	Dębica Subcarpathia, Poland	62.5
123	Radomsko Łódź Voivodeship, Poland	62.4
124	Prayagraj Uttar Pradesh, India	62.3
125	Kłodzko Lower Silesia, Poland	61.9
126	Baia Mare Maramureş, Romania	61.3
126	Włocławek Kujawsko-Pomorskie, Poland	61.3
128	Zamość Lublin, Poland	61.2
129	Kościerzyna Pomerania, Poland	61.1
130	Yamuna Nagar Haryana, India	60.7
131	Sirsa Haryana, India	60.5
132	Nisko Subcarpathia, Poland	60.4
133	Lublin Lublin, Poland	60.3
134	Lagos low-cost sensors Lagos, Nigeria	60.2
135	Karachi low-cost sensors Sindh, Pakistan	59.9
135	Meerut Uttar Pradesh, India	59.9
137	Suwałki Podlasie, Poland	59.7
138	Hranice Olomouc Region, Czechia	59.5
139	Bhiwandi Maharashtra, India	59.3
140	Kumanovo Kumanovo, North Macedonia	58.8
141	Chūru Rajasthan, India	58.7
142	Gdańsk Pomerania, Poland	58.6
143	Bikaner Rajasthan, India	58.5
144	Stodůlky low-cost sensors Prague, Czechia	58.4
145	Dhule Maharashtra, India	57.4
145	Bhilwara Rajasthan, India	57.4
147	Ełk Warmia-Masuria, Poland	57.3
147	Kadapa Andhra Pradesh, India	57.3
147	Kharghar Maharashtra, India	57.3
150	Gevgelija Gevgelija, North Macedonia	57.2
150	Guwahati Assam, India	57.2
152	Mahād Maharashtra, India	57.1
152	Jabalpur Madhya Pradesh, India	57.1
154	Veles Veles, North Macedonia	57.0
155	Toruń Kujawsko-Pomorskie, Poland	56.9
156	Bydgoszcz Kujawsko-Pomorskie, Poland	56.6
157	Legionowo Mazovia, Poland	56.4
157	Phuntsholing low-cost sensors Chukha, Bhutan	56.4
159	Craiova Dolj, Romania	56.3
160	Racibórz Silesia, Poland	55.9
161	Opole Opole Voivodeship, Poland	55.7
162	Sholapur Maharashtra, India	55.5
162	Parbhani Maharashtra, India	55.5
162	Bhayandar Maharashtra, India	55.5
165	Ahmedabad Gujarat, India	55.1
166	Būndi Rajasthan, India	54.0
167	Podgorica Podgorica, Montenegro	53.7
168	Zielona Góra Lubusz, Poland	53.6
169	Gangtok Sikkim, India	53.5
170	Tirumala Andhra Pradesh, India	53.0
171	Židenice South Moravian, Czechia	52.7
172	Shillong Meghalaya, India	52.4
173	Latur Maharashtra, India	52.3
174	Patna Bihar, India	52.0
175	Kalisz Greater Poland, Poland	51.9
176	Suceava Suceava, Romania	51.5
177	Jalandhar Punjab, India	51.4
177	Łask Łódź Voivodeship, Poland	51.4
179	Khlong Luang low-cost sensors Pathum Thani, Thailand	51.3
180	Pratāpgarh Rajasthan, India	51.2
181	Augustów Podlasie, Poland	51.1
181	Győr Győr-Moson-Sopron, Hungary	51.1
183	Surat Gujarat, India	51.0
184	Sawai Madhopur Rajasthan, India	50.9
184	Katowice Silesia, Poland	50.9
186	Kavadarci Kavadarci, North Macedonia	50.7
186	Nanded Maharashtra, India	50.7
186	Chandigarh Chandigarh, India	50.7
189	Kolhāpur Maharashtra, India	50.6
189	Kanpur Uttar Pradesh, India	50.6
191	Ilinden Ilinden, North Macedonia	50.4
192	Bernburg Saxony-Anhalt, Germany	50.3
193	Prilep Prilep, North Macedonia	50.1
193	Nashik Maharashtra, India	50.1
195	Konstancin-Jeziorna Mazovia, Poland	50.0
196	Amravati Maharashtra, India	49.8
196	Vientiane low-cost sensors Vientiane Prefecture, Laos	49.8
198	Nyíregyháza Szabolcs-Szatmár-Bereg, Hungary	49.5
198	Virār Maharashtra, India	49.5
200	Olsztyn Warmia-Masuria, Poland	49.4

Top 200 of 1,870 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