SmogRank / History / February 21, 2026

Most polluted cities on February 21, 2026

2,256 cities ranked by their average PM2.5 over the day. Each city's own local calendar day.

#	City	µg/m³	× WHO
1	Dera Māndi Delhi, India	428.0	28.5×
2	Dushanbe Dushanbe, Tajikistan	255.0	17.0×
3	Rahim Yar Khan low-cost sensors Punjab, Pakistan	169.0	11.3×
4	Dhaka low-cost sensors Dhaka Division, Bangladesh	156.0	10.4×
5	Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan	151.0	10.1×
6	Naharlagun Arunachal Pradesh, India	139.0	9.3×
7	Faisalabad low-cost sensors Punjab, Pakistan	130.5	8.7×
8	Sialkot low-cost sensors Punjab, Pakistan	128.0	8.5×
8	Lahore low-cost sensors Punjab, Pakistan	128.0	8.5×
8	Gurugram Haryana, India	128.0	8.5×
11	Multan low-cost sensors Punjab, Pakistan	125.0	8.3×
12	Dhāruhera Haryana, India	121.0	8.1×
13	Gujranwala low-cost sensors Punjab, Pakistan	120.0	8.0×
14	Bahawalpur low-cost sensors Punjab, Pakistan	118.0	7.9×
15	Bhiwadi Rajasthan, India	117.0	7.8×
16	Bāghpat Uttar Pradesh, India	109.0	7.3×
17	Delhi Delhi, India	107.0	7.1×
18	Gummidipundi Tamil Nadu, India	106.0	7.1×
18	Dādri Uttar Pradesh, India	106.0	7.1×
20	Cuttack Odisha, India	102.0	6.8×
20	Kolkata West Bengal, India	102.0	6.8×
22	Faridabad Haryana, India	101.6	6.8×
23	Ghāziābād Uttar Pradesh, India	101.0	6.7×
24	Noida Uttar Pradesh, India	100.6	6.7×
25	Byasanagar Odisha, India	95.8	6.4×
26	Jhālāwār Rajasthan, India	94.6	6.3×
27	Hāpur Uttar Pradesh, India	92.1	6.1×
28	Surat Gujarat, India	91.1	6.1×
29	Agartala Tripura, India	90.4	6.0×
30	Singrauli Madhya Pradesh, India	89.8	6.0×
31	Barbil Odisha, India	89.4	6.0×
32	Sirsa Haryana, India	87.2	5.8×
33	Bhubaneswar Odisha, India	86.0	5.7×
34	Nagpur Maharashtra, India	85.5	5.7×
35	Baddi Himachal Pradesh, India	84.1	5.6×
36	Rawalpindi low-cost sensors Punjab, Pakistan	83.9	5.6×
37	Narela Delhi, India	83.7	5.6×
38	Karnāl Haryana, India	83.6	5.6×
39	Chittorgarh Rajasthan, India	83.3	5.6×
40	Tonk Rajasthan, India	82.9	5.5×
41	Srinagar Jammu and Kashmir, India	82.0	5.5×
41	Baripāda Odisha, India	82.0	5.5×
43	Bhopal Madhya Pradesh, India	81.3	5.4×
44	Pune Maharashtra, India	80.9	5.4×
45	Rājsamand Rajasthan, India	80.5	5.4×
46	Kojomkul low-cost sensors Chuy Region, Kyrgyzstan	79.4	5.3×
47	Meerut Uttar Pradesh, India	78.7	5.2×
48	Pimpri-Chinchwad Maharashtra, India	77.3	5.2×
49	Aya Nagar Delhi, India	76.5	5.1×
50	Thānesar Haryana, India	76.1	5.1×
50	Muzaffarnagar Uttar Pradesh, India	76.1	5.1×
52	Kharghar Maharashtra, India	75.2	5.0×
53	Gwalior Madhya Pradesh, India	74.1	4.9×
54	Saugor Madhya Pradesh, India	73.4	4.9×
54	Bhayandar Maharashtra, India	73.4	4.9×
56	Najafgarh Delhi, India	73.1	4.9×
57	Kota Rajasthan, India	73.0	4.9×
58	Nagaon Assam, India	72.9	4.9×
59	Greater Noida Uttar Pradesh, India	71.7	4.8×
60	Rānīganj West Bengal, India	71.3	4.8×
60	Jaipur Rajasthan, India	71.3	4.8×
62	Haldia West Bengal, India	71.2	4.7×
63	Hyderabad low-cost sensors Sindh, Pakistan	70.9	4.7×
64	Kalyān Maharashtra, India	70.8	4.7×
65	Jīnd Haryana, India	68.9	4.6×
66	Kampala low-cost sensors Central Region, Uganda	68.8	4.6×
67	Bhiwāni Haryana, India	68.4	4.6×
68	Rourkela Odisha, India	68.1	4.5×
69	Nalbāri Assam, India	68.0	4.5×
70	Badlapur Maharashtra, India	67.8	4.5×
71	Sonīpat Haryana, India	66.9	4.5×
72	Bhilwara Rajasthan, India	66.6	4.4×
73	Sri Ganganagar Rajasthan, India	66.4	4.4×
74	Cayenne Guyane, French Guiana	66.0	4.4×
75	Changchun low-cost sensors Jilin, China	65.9	4.4×
76	Sīkar Rajasthan, India	64.5	4.3×
77	Durgapur West Bengal, India	64.0	4.3×
78	Jalgaon Maharashtra, India	63.9	4.3×
79	Būndi Rajasthan, India	63.4	4.2×
79	Ahmedabad Gujarat, India	63.4	4.2×
81	Phuntsholing low-cost sensors Chukha, Bhutan	62.9	4.2×
82	Yamuna Nagar Haryana, India	62.5	4.2×
83	Mumbai Maharashtra, India	62.3	4.2×
84	Dūngarpur Rajasthan, India	62.1	4.1×
84	Panchkula Haryana, India	62.1	4.1×
86	Kourou Guyane, French Guiana	61.9	4.1×
87	Bhiwandi Maharashtra, India	61.6	4.1×
88	Islamabad low-cost sensors Islamabad, Pakistan	61.4	4.1×
89	Kathmandu low-cost sensors Bagmati Province, Nepal	60.6	4.0×
90	Sawai Madhopur Rajasthan, India	60.0	4.0×
91	Dhaulpur Rajasthan, India	59.2	3.9×
92	Pratāpgarh Rajasthan, India	59.1	3.9×
93	Shrīrāmpur West Bengal, India	58.7	3.9×
93	Mahād Maharashtra, India	58.7	3.9×
93	Karauli Rajasthan, India	58.7	3.9×
96	Wadgaon Kolhati Maharashtra, India	58.2	3.9×
97	Āsansol West Bengal, India	58.0	3.9×
98	Chandigarh Chandigarh, India	57.6	3.8×
99	Gandhinagar Gujarat, India	57.2	3.8×
100	Jalor Rajasthan, India	56.4	3.8×
101	Dausa Rajasthan, India	56.3	3.8×
102	Sirohi Rajasthan, India	55.8	3.7×
103	Hanumāngarh Rajasthan, India	55.7	3.7×
103	Chūru Rajasthan, India	55.7	3.7×
105	Kłodzko Lower Silesia, Poland	55.4	3.7×
106	Jalandhar Punjab, India	55.3	3.7×
107	Amravati Maharashtra, India	55.0	3.7×
107	Khlong Luang low-cost sensors Pathum Thani, Thailand	55.0	3.7×
109	Lillehammer Innlandet, Norway	54.9	3.7×
110	Hājīpur Bihar, India	54.8	3.7×
111	Lucknow Uttar Pradesh, India	54.2	3.6×
112	Chrang Chamreh Muoy low-cost sensors Phnom Penh, Cambodia	53.5	3.6×
113	Ambāla Haryana, India	53.4	3.6×
114	Indore Madhya Pradesh, India	51.9	3.5×
115	Tumkūr Karnataka, India	51.1	3.4×
116	Sholapur Maharashtra, India	50.9	3.4×
117	Tirupati Andhra Pradesh, India	50.6	3.4×
118	Kanpur Uttar Pradesh, India	50.3	3.4×
119	Vientiane low-cost sensors Vientiane Prefecture, Laos	50.2	3.3×
120	Otwock Mazovia, Poland	50.0	3.3×
121	Shillong Meghalaya, India	49.9	3.3×
121	Aurangabad Maharashtra, India	49.9	3.3×
123	Keonjhargarh Odisha, India	49.8	3.3×
124	Bhelai Chhattisgarh, India	49.0	3.3×
125	Ankleshwar Gujarat, India	48.7	3.2×
126	Chānda Maharashtra, India	47.7	3.2×
126	Ajmer Rajasthan, India	47.7	3.2×
128	Ban Khlong Prawet low-cost sensors Bangkok, Thailand	46.4	3.1×
128	Vapi Gujarat, India	46.4	3.1×
130	Nāgaur Rajasthan, India	46.3	3.1×
131	Vijayawada Andhra Pradesh, India	46.0	3.1×
132	Porto low-cost sensors Porto, Portugal	45.8	3.1×
133	Raipur Chhattisgarh, India	45.6	3.0×
133	Zgierz Łódź Voivodeship, Poland	45.6	3.0×
135	Bārān Rajasthan, India	45.5	3.0×
135	Sai Mai low-cost sensors Bangkok, Thailand	45.5	3.0×
137	Karachi low-cost sensors Sindh, Pakistan	45.4	3.0×
137	Gaya Bihar, India	45.4	3.0×
139	Bangkok low-cost sensors Bangkok, Thailand	45.1	3.0×
140	Bikaner Rajasthan, India	45.0	3.0×
141	Morādābād Uttar Pradesh, India	44.9	3.0×
141	Rairangpur Odisha, India	44.9	3.0×
143	Patna Bihar, India	44.8	3.0×
144	Jabalpur Madhya Pradesh, India	44.7	3.0×
145	Jhunjhunūn Rajasthan, India	44.5	3.0×
145	Akola Maharashtra, India	44.5	3.0×
147	Jaisalmer Rajasthan, India	44.0	2.9×
148	Amaravati Andhra Pradesh, India	43.8	2.9×
149	Arāria Bihar, India	43.6	2.9×
150	Lagos low-cost sensors Lagos, Nigeria	43.0	2.9×
151	Dubai low-cost sensors Dubai, United Arab Emirates	42.9	2.9×
152	Saharsa Bihar, India	42.8	2.9×
153	Nashik Maharashtra, India	42.7	2.8×
154	Buxar Bihar, India	42.6	2.8×
155	Arrah Bihar, India	42.4	2.8×
156	Ropar Punjab, India	42.3	2.8×
157	Brikama low-cost sensors Western, Gambia	42.2	2.8×
158	Lebedinovka low-cost sensors Chuy Region, Kyrgyzstan	42.1	2.8×
159	Burunday low-cost sensors Almaty Region, Kazakhstan	42.0	2.8×
160	Begusarai Bihar, India	41.9	2.8×
161	Erlun Taiwan, Taiwan	41.8	2.8×
162	Jodhpur Rajasthan, India	41.7	2.8×
163	Tarnów Lesser Poland, Poland	41.3	2.8×
164	Erlin Taiwan, Taiwan	41.2	2.7×
165	Yerevan low-cost sensors Yerevan, Armenia	41.1	2.7×
166	Vereeniging low-cost sensors Gauteng, South Africa	40.7	2.7×
167	Kalisz Greater Poland, Poland	40.6	2.7×
168	Żywiec Silesia, Poland	40.5	2.7×
169	Murree low-cost sensors Punjab, Pakistan	39.9	2.7×
169	Virār Maharashtra, India	39.9	2.7×
169	Otegen Batyra low-cost sensors Almaty Region, Kazakhstan	39.9	2.7×
172	Znojmo South Moravian, Czechia	39.7	2.6×
173	Zagreb low-cost sensors Zagreb, Croatia	39.4	2.6×
174	Olomouc Olomouc Region, Czechia	39.0	2.6×
174	Banja Luka Srpska, Bosnia and Herzegovina	39.0	2.6×
176	Debrecen low-cost sensors Hajdú-Bihar, Hungary	38.7	2.6×
176	Latur Maharashtra, India	38.7	2.6×
176	Uttaradit low-cost sensors Uttaradit, Thailand	38.7	2.6×
176	Włocławek Kujawsko-Pomorskie, Poland	38.7	2.6×
180	Taibao Taiwan, Taiwan	38.6	2.6×
181	Boisar Maharashtra, India	38.5	2.6×
182	Chennai Tamil Nadu, India	38.4	2.6×
183	Serilingampalle Telangana, India	38.1	2.5×
184	Guwahati Assam, India	38.0	2.5×
185	Chiang Mai low-cost sensors Chiang Mai, Thailand	37.8	2.5×
185	Beigang Taiwan, Taiwan	37.8	2.5×
187	Sāngli Maharashtra, India	37.7	2.5×
188	Dębica Subcarpathia, Poland	37.3	2.5×
189	Douliu Taiwan, Taiwan	37.2	2.5×
190	Sham Shui Po Sham Shui Po District, Hong Kong	37.0	2.5×
190	Zacatepec de Hidalgo Morelos, Mexico	37.0	2.5×
192	Tema low-cost sensors Greater Accra, Ghana	36.9	2.5×
193	Yadgir Karnataka, India	36.8	2.5×
194	Yuanlin Taiwan, Taiwan	36.7	2.4×
195	Nandri Rajasthan, India	36.4	2.4×
196	Legionowo Mazovia, Poland	36.3	2.4×
196	Silchar Assam, India	36.3	2.4×
196	Kraków Lesser Poland, Poland	36.3	2.4×
199	Jincheng Fukien, Taiwan	36.2	2.4×
200	Kaithal Haryana, India	36.1	2.4×

Top 200 of 2,256 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