SmogRank / History / April 2026

Most polluted cities, April 2026

2,246 cities ranked by their average PM2.5 over the 30 days. A city needs measurements on 70% of the days to be ranked.

#	City	µg/m³
1	Gurugram Haryana, India	121.7
2	Chiang Mai low-cost sensors Chiang Mai, Thailand	97.0
3	Vientiane low-cost sensors Vientiane Prefecture, Laos	95.1
4	Faridabad Haryana, India	89.2
5	Narela Delhi, India	84.2
6	Singrauli Madhya Pradesh, India	81.9
7	Dera Māndi Delhi, India	79.2
8	Dādri Uttar Pradesh, India	78.5
9	Uttaradit low-cost sensors Uttaradit, Thailand	75.6
10	Kathmandu low-cost sensors Bagmati Province, Nepal	72.3
11	Jīnd Haryana, India	71.9
12	Sonīpat Haryana, India	70.3
13	Hāpur Uttar Pradesh, India	69.6
14	Hājīpur Bihar, India	66.3
15	Noida Uttar Pradesh, India	64.5
16	Joda Odisha, India	63.9
17	Ghāziābād Uttar Pradesh, India	63.8
18	Faisalabad low-cost sensors Punjab, Pakistan	63.2
19	Karnāl Haryana, India	63.0
19	Delhi Delhi, India	63.0
21	Dhaka low-cost sensors Dhaka Division, Bangladesh	62.6
22	Wadgaon Kolhati Maharashtra, India	61.6
23	Undera Gujarat, India	61.4
24	Najafgarh Delhi, India	61.3
25	Dhāruhera Haryana, India	61.1
26	Bhiwadi Rajasthan, India	59.7
27	Lucknow Uttar Pradesh, India	59.6
28	Muzaffarnagar Uttar Pradesh, India	59.3
29	Kaithal Haryana, India	59.1
30	Bāghpat Uttar Pradesh, India	58.4
31	Bahadurgarh Haryana, India	56.9
32	Baddi Himachal Pradesh, India	55.3
33	Jaipur Rajasthan, India	55.1
34	Thānesar Haryana, India	54.8
35	Angul Odisha, India	54.0
36	Barbil Odisha, India	53.1
37	Gwalior Madhya Pradesh, India	52.7
38	Chānda Maharashtra, India	52.5
39	Parbhani Maharashtra, India	51.0
40	Greater Noida Uttar Pradesh, India	50.6
41	Arāria Bihar, India	50.4
42	Meerut Uttar Pradesh, India	49.0
43	Changchun low-cost sensors Jilin, China	48.8
44	Lahore low-cost sensors Punjab, Pakistan	48.7
45	Gummidipundi Tamil Nadu, India	48.4
45	Bhiwāni Haryana, India	48.4
47	Bānswāra Rajasthan, India	48.3
48	Jalgaon Maharashtra, India	47.8
49	Kampala low-cost sensors Central Region, Uganda	46.8
50	Nagpur Maharashtra, India	45.0
51	Tirupati Andhra Pradesh, India	44.7
52	Panchkula Haryana, India	44.6
53	Ambāla Haryana, India	44.3
54	Jharia Jharkhand, India	43.4
55	Bhāgalpur Bihar, India	43.1
56	Patna Bihar, India	42.9
57	Kadapa Andhra Pradesh, India	42.5
58	Bahawalpur low-cost sensors Punjab, Pakistan	42.4
59	Rourkela Odisha, India	42.3
60	Keonjhargarh Odisha, India	42.2
60	Karauli Rajasthan, India	42.2
62	Hanumāngarh Rajasthan, India	42.1
63	Kalyān Maharashtra, India	41.8
63	Anantapur Andhra Pradesh, India	41.8
65	Multan low-cost sensors Punjab, Pakistan	41.7
66	Chūru Rajasthan, India	41.5
67	Panvel Maharashtra, India	41.4
67	Chrang Chamreh Muoy low-cost sensors Phnom Penh, Cambodia	41.4
69	Sholapur Maharashtra, India	41.3
70	Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan	40.9
71	Kharghar Maharashtra, India	40.6
72	Vijayawada Andhra Pradesh, India	40.3
72	Dhaulpur Rajasthan, India	40.3
74	Indore Madhya Pradesh, India	40.1
75	Kanpur Uttar Pradesh, India	39.9
76	Bhiwandi Maharashtra, India	39.7
77	Yadgir Karnataka, India	39.1
77	Bārān Rajasthan, India	39.1
79	Gujranwala low-cost sensors Punjab, Pakistan	39.0
80	Ahmedabad Gujarat, India	38.9
81	Jalandhar Punjab, India	38.8
82	Dhule Maharashtra, India	38.7
83	Tonk Rajasthan, India	38.5
84	Latur Maharashtra, India	38.4
84	Bhopal Madhya Pradesh, India	38.4
86	Gaya Bihar, India	38.1
87	Nanded Maharashtra, India	37.7
87	Mahād Maharashtra, India	37.7
89	Khlong Luang low-cost sensors Pathum Thani, Thailand	37.6
90	Agartala Tripura, India	37.2
91	Sukuta low-cost sensors Western, Gambia	37.1
92	Arrah Bihar, India	36.8
93	Phuntsholing low-cost sensors Chukha, Bhutan	36.5
94	Ajmer Rajasthan, India	36.3
95	Dausa Rajasthan, India	36.0
96	Closepet Karnataka, India	35.4
96	Nashik Maharashtra, India	35.4
96	Akola Maharashtra, India	35.4
99	Begusarai Bihar, India	35.1
100	Pimpri-Chinchwad Maharashtra, India	34.9
101	Surat Gujarat, India	34.7
102	Quezon City low-cost sensors National Capital Region, Philippines	34.6
103	Sai Mai low-cost sensors Bangkok, Thailand	34.4
104	Amravati Maharashtra, India	34.2
105	Pune Maharashtra, India	33.7
106	Durgapur West Bengal, India	33.6
107	Jhunjhunūn Rajasthan, India	33.5
107	Baripāda Odisha, India	33.5
107	Badlapur Maharashtra, India	33.5
110	Sri Ganganagar Rajasthan, India	33.4
111	Jhālāwār Rajasthan, India	33.3
111	Ban Khlong Prawet low-cost sensors Bangkok, Thailand	33.3
113	Bikaner Rajasthan, India	33.2
114	Tuxtla Chiapas, Mexico	33.1
115	Siwān Bihar, India	33.0
116	Sialkot low-cost sensors Punjab, Pakistan	32.8
117	Jammu low-cost sensors Jammu and Kashmir, India	32.7
118	Pachuca de Soto Hidalgo, Mexico	32.5
119	Rājgīr Bihar, India	32.4
119	Morādābād Uttar Pradesh, India	32.4
121	Patiāla Punjab, India	32.3
122	Bangkok low-cost sensors Bangkok, Thailand	32.1
123	San Luis Potosí San Luis Potosí, Mexico	32.0
124	Tirumala Andhra Pradesh, India	31.7
125	Nalbāri Assam, India	31.6
125	Bengaluru Karnataka, India	31.6
127	Chittorgarh Rajasthan, India	31.5
127	Byasanagar Odisha, India	31.5
129	Agra Uttar Pradesh, India	31.3
130	Bang Pakong low-cost sensors Chachoengsao, Thailand	31.2
130	Ibadan low-cost sensors Oyo State, Nigeria	31.2
132	Chandigarh Chandigarh, India	31.0
133	Jabalpur Madhya Pradesh, India	30.9
134	Thāne Maharashtra, India	30.1
134	Kota Rajasthan, India	30.1
136	Hyderabad low-cost sensors Sindh, Pakistan	29.9
136	Aurangabad Maharashtra, India	29.9
138	Rawalpindi low-cost sensors Punjab, Pakistan	29.6
138	San Salvador Tizatlalli México, Mexico	29.6
140	Coimbatore Tamil Nadu, India	29.5
141	Virār Maharashtra, India	29.4
142	Saugor Madhya Pradesh, India	29.3
142	Gandhinagar Gujarat, India	29.3
142	Quthbullapur Telangana, India	29.3
145	Kolkata West Bengal, India	29.2
146	Sirsa Haryana, India	28.9
147	Karachi low-cost sensors Sindh, Pakistan	28.6
147	Burunday low-cost sensors Almaty Region, Kazakhstan	28.6
149	Hyderabad Telangana, India	28.4
150	Shrīrāmpur West Bengal, India	28.3
151	Otegen Batyra low-cost sensors Almaty Region, Kazakhstan	27.2
151	Iloilo low-cost sensors Western Visayas, Philippines	27.2
153	Mumbai Maharashtra, India	27.1
154	Pratāpgarh Rajasthan, India	26.9
154	Nagaon Assam, India	26.9
156	Āsansol West Bengal, India	26.8
157	Sāngli Maharashtra, India	26.7
157	Kolhāpur Maharashtra, India	26.7
157	Bareilly Uttar Pradesh, India	26.7
160	Rānīganj West Bengal, India	26.5
161	Lilongwe low-cost sensors Central Region, Malawi	26.3
161	Sīkar Rajasthan, India	26.3
163	Raipur Chhattisgarh, India	26.2
164	Bhilwara Rajasthan, India	25.5
165	Bhubaneswar Odisha, India	25.4
166	Dubai low-cost sensors Dubai, United Arab Emirates	25.3
167	Nāgaur Rajasthan, India	25.2
168	Tlaquepaque Jalisco, Mexico	25.0
169	Neelankarai Tamil Nadu, India	24.6
170	Kalaburagi Karnataka, India	24.3
170	Aizawl Mizoram, India	24.3
172	Lagos low-cost sensors Lagos, Nigeria	24.2
172	Victoria de Durango Durango, Mexico	24.2
174	Silchar Assam, India	24.1
175	Shivamogga Karnataka, India	24.0
175	Ashaiman low-cost sensors Greater Accra, Ghana	24.0
177	Hacienda Santa Fe Jalisco, Mexico	23.9
178	Jodhpur Rajasthan, India	23.8
179	Sawai Madhopur Rajasthan, India	23.7
180	Bhilai Chhattisgarh, India	23.3
181	Būndi Rajasthan, India	23.2
181	Prayagraj Uttar Pradesh, India	23.2
183	Hubballi Karnataka, India	23.1
184	Sarajevo Federation of B&H, Bosnia and Herzegovina	23.0
185	Haldia West Bengal, India	22.9
186	Rasapūdipalem Andhra Pradesh, India	22.8
187	Jalor Rajasthan, India	22.7
187	Cuttack Odisha, India	22.7
187	Nandri Rajasthan, India	22.7
190	Wan Chai Wan Chai, Hong Kong	22.6
191	Gangtok Sikkim, India	22.4
192	Zacatepec de Hidalgo Morelos, Mexico	22.0
193	Novi Pazar Central Serbia, Serbia	21.9
193	Silao de la Victoria Guanajuato, Mexico	21.9
195	Ciudad Nezahualcoyotl México, Mexico	21.8
195	Aguascalientes Aguascalientes, Mexico	21.8
197	Târgu Mureş low-cost sensors Mureș County, Romania	21.6
197	Fengshan Takao, Taiwan	21.6
199	Dūngarpur Rajasthan, India	21.2
200	Douliu Taiwan, Taiwan	21.1

Top 200 of 2,246 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