SmogRank / History / January 21, 2026

Most polluted cities on January 21, 2026

2,416 cities ranked by their average PM2.5 over the day. Each city's own local calendar day.

#	City	µg/m³	× WHO
1	Faisalabad low-cost sensors Punjab, Pakistan	294.5	19.6×
2	Rahim Yar Khan low-cost sensors Punjab, Pakistan	287.5	19.2×
3	Gurugram Haryana, India	241.0	16.1×
4	Târgu Mureş low-cost sensors Mureș County, Romania	230.0	15.3×
5	Multan low-cost sensors Punjab, Pakistan	218.0	14.5×
6	Lahore low-cost sensors Punjab, Pakistan	215.5	14.4×
7	Bahawalpur low-cost sensors Punjab, Pakistan	211.0	14.1×
8	Sialkot low-cost sensors Punjab, Pakistan	205.5	13.7×
9	Dādri Uttar Pradesh, India	195.0	13.0×
10	Noida Uttar Pradesh, India	186.0	12.4×
11	Gujranwala low-cost sensors Punjab, Pakistan	183.0	12.2×
12	Delhi Delhi, India	181.0	12.1×
13	Lebedinovka low-cost sensors Chuy Region, Kyrgyzstan	180.0	12.0×
14	Dhāruhera Haryana, India	178.0	11.9×
15	Narela Delhi, India	175.0	11.7×
16	Bishkek low-cost sensors Bishkek, Kyrgyzstan	173.0	11.5×
17	Dej Cluj County, Romania	162.0	10.8×
17	Sarajevo Federation of B&H, Bosnia and Herzegovina	162.0	10.8×
19	Pimpri-Chinchwad Maharashtra, India	160.0	10.7×
20	Bhiwadi Rajasthan, India	158.5	10.6×
21	Singrauli Madhya Pradesh, India	156.0	10.4×
22	Pljevlja Pljevlja, Montenegro	154.0	10.3×
23	Greater Noida Uttar Pradesh, India	153.0	10.2×
24	Ghāziābād Uttar Pradesh, India	143.0	9.5×
24	Gangtok Sikkim, India	143.0	9.5×
26	Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan	140.0	9.3×
27	Ciechanów Mazovia, Poland	138.0	9.2×
28	Talghar low-cost sensors Almaty Region, Kazakhstan	133.0	8.9×
29	Mielec Subcarpathia, Poland	131.0	8.7×
30	Baripāda Odisha, India	127.0	8.5×
31	Suwałki Podlasie, Poland	126.0	8.4×
32	Debrecen low-cost sensors Hajdú-Bihar, Hungary	125.0	8.3×
33	Hyderabad low-cost sensors Sindh, Pakistan	124.1	8.3×
34	Kolkata West Bengal, India	124.0	8.3×
34	Kraków Lesser Poland, Poland	124.0	8.3×
34	Aya Nagar Delhi, India	124.0	8.3×
37	Tonk Rajasthan, India	121.0	8.1×
38	Sighetu Marmaţiei Maramureş, Romania	120.0	8.0×
39	Ełk Warmia-Masuria, Poland	119.0	7.9×
40	Gwalior Madhya Pradesh, India	116.5	7.8×
41	Sīkar Rajasthan, India	116.0	7.7×
42	Otwock Mazovia, Poland	115.0	7.7×
42	Gummidipundi Tamil Nadu, India	115.0	7.7×
42	Czechowice-Dziedzice Silesia, Poland	115.0	7.7×
45	Przemyśl Subcarpathia, Poland	113.0	7.5×
46	Kazincbarcika Borsod-Abaúj-Zemplén, Hungary	112.0	7.5×
46	Kościerzyna Pomerania, Poland	112.0	7.5×
48	Rawalpindi low-cost sensors Punjab, Pakistan	111.0	7.4×
49	Târgu Jiu Gorj County, Romania	109.0	7.3×
49	Bikaner Rajasthan, India	109.0	7.3×
49	Otegen Batyra low-cost sensors Almaty Region, Kazakhstan	109.0	7.3×
52	Codlea Brașov County, Romania	108.0	7.2×
52	Miskolc Borsod-Abaúj-Zemplén, Hungary	108.0	7.2×
54	Faridabad Haryana, India	106.5	7.1×
55	Almaty low-cost sensors Almaty, Kazakhstan	104.5	7.0×
56	Nāgaur Rajasthan, India	104.0	6.9×
57	Chūru Rajasthan, India	103.0	6.9×
58	Tumkūr Karnataka, India	102.0	6.8×
59	Cluj-Napoca Cluj County, Romania	101.0	6.7×
59	Nisko Subcarpathia, Poland	101.0	6.7×
61	Jaipur Rajasthan, India	100.0	6.7×
62	Gdańsk Pomerania, Poland	99.8	6.7×
63	Najafgarh Delhi, India	99.3	6.6×
64	Zamość Lublin, Poland	98.3	6.6×
65	Rānīganj West Bengal, India	97.4	6.5×
66	Olsztyn Warmia-Masuria, Poland	95.6	6.4×
67	Hāpur Uttar Pradesh, India	94.9	6.3×
68	Logroño La Rioja, Spain	94.7	6.3×
69	Angul Odisha, India	93.9	6.3×
70	Bāghpat Uttar Pradesh, India	91.8	6.1×
71	Włocławek Kujawsko-Pomorskie, Poland	91.4	6.1×
72	Chittorgarh Rajasthan, India	91.2	6.1×
73	Naharlagun Arunachal Pradesh, India	90.3	6.0×
74	Jarosław Subcarpathia, Poland	89.9	6.0×
75	Haldia West Bengal, India	89.7	6.0×
76	Barbil Odisha, India	89.6	6.0×
77	Suceava Suceava, Romania	88.3	5.9×
78	Bhubaneswar Odisha, India	87.9	5.9×
79	Burunday low-cost sensors Almaty Region, Kazakhstan	87.5	5.8×
80	Rasapūdipalem Andhra Pradesh, India	86.9	5.8×
81	Būndi Rajasthan, India	85.1	5.7×
82	Bahadurgarh Haryana, India	85.0	5.7×
83	Shrīrāmpur West Bengal, India	84.9	5.7×
83	Āsansol West Bengal, India	84.9	5.7×
85	Kota Rajasthan, India	84.8	5.7×
86	Augustów Podlasie, Poland	84.6	5.6×
87	Keonjhargarh Odisha, India	84.0	5.6×
88	Lucknow Uttar Pradesh, India	83.8	5.6×
88	Jhunjhunūn Rajasthan, India	83.8	5.6×
90	Dhaulpur Rajasthan, India	83.6	5.6×
91	Guwahati Assam, India	83.0	5.5×
91	Joda Odisha, India	83.0	5.5×
93	Rourkela Odisha, India	82.6	5.5×
94	Muzaffarnagar Uttar Pradesh, India	82.5	5.5×
95	Białystok Podlasie, Poland	81.7	5.4×
96	Sawai Madhopur Rajasthan, India	81.6	5.4×
97	Kathmandu low-cost sensors Bagmati Province, Nepal	81.5	5.4×
98	Sirsa Haryana, India	80.7	5.4×
99	Virār Maharashtra, India	79.9	5.3×
99	Kalyān Maharashtra, India	79.9	5.3×
101	Cuttack Odisha, India	79.4	5.3×
102	Baddi Himachal Pradesh, India	79.2	5.3×
103	Saharsa Bihar, India	78.8	5.3×
104	Bharatpur Rajasthan, India	78.7	5.2×
105	Starachowice Świętokrzyskie, Poland	78.5	5.2×
106	Karnāl Haryana, India	78.3	5.2×
107	Jhālāwār Rajasthan, India	78.1	5.2×
107	Toruń Kujawsko-Pomorskie, Poland	78.1	5.2×
109	Malegaon Maharashtra, India	77.7	5.2×
110	Islamabad low-cost sensors Islamabad, Pakistan	77.2	5.1×
111	Amaravati Andhra Pradesh, India	76.7	5.1×
112	Karachi low-cost sensors Sindh, Pakistan	76.4	5.1×
113	Byasanagar Odisha, India	76.1	5.1×
114	Nagpur Maharashtra, India	75.8	5.1×
115	Bhilwara Rajasthan, India	74.4	5.0×
116	Bijelo Polje Bijelo Polje, Montenegro	74.1	4.9×
117	Thānesar Haryana, India	73.0	4.9×
118	Legionowo Mazovia, Poland	72.8	4.9×
118	Nagaon Assam, India	72.8	4.9×
120	Nalbāri Assam, India	72.7	4.8×
121	Meerut Uttar Pradesh, India	72.2	4.8×
122	Lublin Lublin, Poland	71.9	4.8×
123	Iaşi Iași County, Romania	71.6	4.8×
123	Bhiwandi Maharashtra, India	71.6	4.8×
125	Craiova Dolj, Romania	70.8	4.7×
126	Kaithal Haryana, India	69.9	4.7×
127	Strumica Strumica, North Macedonia	68.8	4.6×
127	Chānda Maharashtra, India	68.8	4.6×
129	Gdynia Pomerania, Poland	68.4	4.6×
130	Chandigarh Chandigarh, India	68.3	4.6×
131	Arāria Bihar, India	68.2	4.5×
132	Durgapur West Bengal, India	67.9	4.5×
133	Radomsko Łódź Voivodeship, Poland	67.8	4.5×
134	Bettiah Bihar, India	67.3	4.5×
135	Bhayandar Maharashtra, India	67.1	4.5×
136	Sonīpat Haryana, India	66.9	4.5×
136	Sri Ganganagar Rajasthan, India	66.9	4.5×
138	Pruszków Mazovia, Poland	66.7	4.4×
138	Konstancin-Jeziorna Mazovia, Poland	66.7	4.4×
140	Rājsamand Rajasthan, India	66.5	4.4×
141	Gorzów Wielkopolski Lubusz, Poland	66.4	4.4×
142	Bydgoszcz Kujawsko-Pomorskie, Poland	66.3	4.4×
143	Kadapa Andhra Pradesh, India	65.7	4.4×
144	Jalor Rajasthan, India	65.5	4.4×
144	Bielsko-Biala Silesia, Poland	65.5	4.4×
146	Hājīpur Bihar, India	65.3	4.4×
146	Elbląg Warmia-Masuria, Poland	65.3	4.4×
148	Baia Mare Maramureş, Romania	65.2	4.3×
149	Gostivar Gostivar, North Macedonia	64.9	4.3×
149	Nikšić Opština Nikšić, Montenegro	64.9	4.3×
151	Buftea Ilfov, Romania	64.8	4.3×
152	Calafat Dolj, Romania	64.6	4.3×
153	Tarnów Lesser Poland, Poland	64.5	4.3×
154	Ahmedabad Gujarat, India	64.3	4.3×
155	Vientiane low-cost sensors Vientiane Prefecture, Laos	64.1	4.3×
156	Warsaw Mazovia, Poland	63.4	4.2×
157	Morādābād Uttar Pradesh, India	63.3	4.2×
158	Yamuna Nagar Haryana, India	63.0	4.2×
159	Mumbai Maharashtra, India	62.8	4.2×
160	Bohumín Moravian-Silesian Region, Czechia	62.4	4.2×
161	Żyrardów Mazovia, Poland	62.3	4.2×
161	Khlong Luang low-cost sensors Pathum Thani, Thailand	62.3	4.2×
163	Pratāpgarh Rajasthan, India	62.1	4.1×
164	Tirumala Andhra Pradesh, India	62.0	4.1×
165	Radom Mazovia, Poland	61.9	4.1×
166	Stodůlky low-cost sensors Prague, Czechia	61.5	4.1×
167	Cuddalore Tamil Nadu, India	61.1	4.1×
168	Agra Uttar Pradesh, India	61.0	4.1×
169	Kharghar Maharashtra, India	60.6	4.0×
170	Amravati Maharashtra, India	60.5	4.0×
170	Płock Mazovia, Poland	60.5	4.0×
172	Zagreb low-cost sensors Zagreb, Croatia	59.9	4.0×
173	Voluntari Ilfov, Romania	59.3	4.0×
173	Bārān Rajasthan, India	59.3	4.0×
173	Prayagraj Uttar Pradesh, India	59.3	4.0×
176	Jodhpur Rajasthan, India	59.1	3.9×
176	Dūngarpur Rajasthan, India	59.1	3.9×
178	Banja Luka Srpska, Bosnia and Herzegovina	59.0	3.9×
179	Badlapur Maharashtra, India	58.8	3.9×
180	Podgorica Podgorica, Montenegro	58.5	3.9×
181	Kanpur Uttar Pradesh, India	58.3	3.9×
182	Rzeszów Subcarpathia, Poland	58.1	3.9×
183	Monza Lombardy, Italy	57.7	3.8×
184	Buxar Bihar, India	57.5	3.8×
185	Siwān Bihar, India	56.8	3.8×
186	Thāne Maharashtra, India	56.7	3.8×
186	Bhopal Madhya Pradesh, India	56.7	3.8×
188	Panchkula Haryana, India	56.3	3.8×
189	Gevgelija Gevgelija, North Macedonia	56.2	3.7×
190	Veles Veles, North Macedonia	56.1	3.7×
190	Pune Maharashtra, India	56.1	3.7×
192	Liepāja Liepaja, Latvia	56.0	3.7×
193	Riga Riga, Latvia	55.7	3.7×
193	Phuntsholing low-cost sensors Chukha, Bhutan	55.7	3.7×
193	Surat Gujarat, India	55.7	3.7×
193	Jabalpur Madhya Pradesh, India	55.7	3.7×
193	Ambāla Haryana, India	55.7	3.7×
198	Rēzekne Rēzekne, Latvia	55.6	3.7×
199	Nandri Rajasthan, India	55.2	3.7×
200	Neelankarai Tamil Nadu, India	55.0	3.7×

Top 200 of 2,416 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