SmogRank / History / week of April 28, 2025

Most polluted cities, week of April 28, 2025

1,624 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	Bikaner Rajasthan, India	110.5
2	Gandhinagar Gujarat, India	100.2
3	Narela Delhi, India	92.6
4	Sri Ganganagar Rajasthan, India	83.0
5	Delhi Delhi, India	72.4
6	Hanumāngarh Rajasthan, India	69.8
7	Lucknow Uttar Pradesh, India	68.3
8	Navalpattu Tamil Nadu, India	68.2
9	Najafgarh Delhi, India	67.7
10	Ghāziābād Uttar Pradesh, India	67.3
11	Muzaffarnagar Uttar Pradesh, India	66.1
12	Kota Rajasthan, India	63.9
13	Bhiwadi Rajasthan, India	60.5
14	Jaipur Rajasthan, India	60.2
14	Baddi Himachal Pradesh, India	60.2
16	Gwalior Madhya Pradesh, India	58.9
17	Sīkar Rajasthan, India	58.5
17	Noida Uttar Pradesh, India	58.5
19	Nagaon Assam, India	57.2
20	Ahmedabad Gujarat, India	57.1
21	Dushanbe Dushanbe, Tajikistan	56.7
22	Būndi Rajasthan, India	52.2
23	Rourkela Odisha, India	52.1
24	Jalandhar Punjab, India	51.1
25	Singrauli Madhya Pradesh, India	50.2
26	Bārān Rajasthan, India	49.9
27	Dādri Uttar Pradesh, India	49.5
28	Malegaon Maharashtra, India	49.3
29	Chūru Rajasthan, India	49.0
30	Tiruchirappalli Tamil Nadu, India	48.8
31	Patiāla Punjab, India	48.6
32	Chandigarh Chandigarh, India	48.2
33	Sasarām Bihar, India	47.9
34	Jalgaon Maharashtra, India	47.8
35	Yadgir Karnataka, India	46.8
36	Latur Maharashtra, India	46.7
37	Manama Manama, Bahrain	46.5
38	Dausa Rajasthan, India	46.3
39	Jhunjhunūn Rajasthan, India	46.1
40	Jhālāwār Rajasthan, India	45.7
41	Sawai Madhopur Rajasthan, India	45.4
42	Kanpur Uttar Pradesh, India	45.2
43	Mohali Punjab, India	44.8
44	Jaisalmer Rajasthan, India	44.4
45	Sholapur Maharashtra, India	44.2
46	Bārmer Rajasthan, India	44.0
47	Nagpur Maharashtra, India	43.8
48	Chittorgarh Rajasthan, India	43.7
49	Ajmer Rajasthan, India	43.2
50	Nāgaur Rajasthan, India	42.6
50	Meerut Uttar Pradesh, India	42.6
52	Rishīkesh Uttarakhand, India	41.9
53	Kalyān Maharashtra, India	40.9
54	Dhule Maharashtra, India	40.3
55	Bhilwara Rajasthan, India	40.1
56	Hājīpur Bihar, India	39.2
57	Kigali Kigali, Rwanda	39.1
57	Jalor Rajasthan, India	39.1
57	Cholula Puebla, Mexico	39.1
60	Vientiane low-cost sensors Vientiane Prefecture, Laos	38.7
61	Kolkata West Bengal, India	38.5
62	Akola Maharashtra, India	38.3
63	Tonk Rajasthan, India	38.0
64	Ciudad Nezahualcoyotl México, Mexico	37.4
65	Amravati Maharashtra, India	37.0
66	Jakarta Jakarta, Indonesia	36.9
67	Bāghpat Uttar Pradesh, India	36.8
67	Khlong Luang low-cost sensors Pathum Thani, Thailand	36.8
69	Vijayawada Andhra Pradesh, India	36.7
70	Gūduvāncheri Tamil Nadu, India	36.2
70	Victoria de Durango Durango, Mexico	36.2
72	Bānswāra Rajasthan, India	36.1
73	Badlapur Maharashtra, India	36.0
74	Aurangabad Maharashtra, India	35.9
75	Cuttack Odisha, India	35.8
76	Jodhpur Rajasthan, India	35.5
77	Panvel Maharashtra, India	34.8
77	San Martin Texmelucan de Labastida Puebla, Mexico	34.8
79	Bhiwandi Maharashtra, India	34.7
79	Atlixco Puebla, Mexico	34.7
81	Rānīganj West Bengal, India	34.6
82	Agra Uttar Pradesh, India	34.1
83	Nashik Maharashtra, India	33.8
83	Prayagraj Uttar Pradesh, India	33.8
85	Bharatpur Rajasthan, India	33.5
86	Dubai low-cost sensors Dubai, United Arab Emirates	33.4
86	Mahād Maharashtra, India	33.4
88	Angul Odisha, India	33.3
89	Hyderabad Telangana, India	33.0
90	Pune Maharashtra, India	32.9
91	Quthbullapur Telangana, India	32.5
92	Shillong Meghalaya, India	32.4
93	Serilingampalle Telangana, India	32.3
94	Kolhāpur Maharashtra, India	31.9
95	Patna Bihar, India	31.8
95	Sai Mai low-cost sensors Bangkok, Thailand	31.8
97	Tirumala Andhra Pradesh, India	31.7
98	Bhelai Chhattisgarh, India	31.5
99	Hāpur Uttar Pradesh, India	31.4
99	Āsansol West Bengal, India	31.4
101	Naharlagun Arunachal Pradesh, India	31.3
102	Mixquiahuala de Juárez Hidalgo, Mexico	31.2
103	Wan Chai Wan Chai, Hong Kong	30.8
103	Wadgaon Kolhati Maharashtra, India	30.8
105	Irapuato Guanajuato, Mexico	30.4
106	Keonjhargarh Odisha, India	30.3
106	Karauli Rajasthan, India	30.3
108	Kanchipuram Tamil Nadu, India	29.9
109	Indore Madhya Pradesh, India	29.6
110	Puebla Puebla, Mexico	29.4
111	Tehuacán Puebla, Mexico	29.1
112	Tepeji del Río de Ocampo Hidalgo, Mexico	29.0
113	Nandri Rajasthan, India	28.8
114	Bang Pakong low-cost sensors Chachoengsao, Thailand	28.6
115	Nanded Maharashtra, India	28.4
116	Ankleshwar Gujarat, India	28.1
117	Bangkok low-cost sensors Bangkok, Thailand	28.0
118	Salem Tamil Nadu, India	27.8
119	Greater Noida Uttar Pradesh, India	27.7
120	Shrīrāmpur West Bengal, India	27.6
120	Tulancingo Hidalgo, Mexico	27.6
122	Morādābād Uttar Pradesh, India	27.4
123	Guangzhou Guangdong, China	27.3
124	Bengaluru Karnataka, India	27.2
125	Gaya Bihar, India	27.1
126	Pratāpgarh Rajasthan, India	27.0
127	Chrang Chamreh Muoy low-cost sensors Phnom Penh, Cambodia	26.6
128	Bhopal Madhya Pradesh, India	26.3
129	Kharghar Maharashtra, India	26.2
130	Coimbatore Tamil Nadu, India	26.1
130	Morelia Michoacán, Mexico	26.1
132	Saugor Madhya Pradesh, India	25.9
133	Tlaxcala Tlaxcala, Mexico	25.8
134	Thāne Maharashtra, India	25.7
135	Dūngarpur Rajasthan, India	25.6
136	Rasapūdipalem Andhra Pradesh, India	25.5
136	Vapi Gujarat, India	25.5
138	Shenyang Liaoning, China	25.4
138	Mexico City Mexico City, Mexico	25.4
140	Chāpra Bihar, India	24.9
141	Sirohi Rajasthan, India	24.8
141	Buxar Bihar, India	24.8
143	Guwahati Assam, India	24.7
144	Durgapur West Bengal, India	24.4
145	Parbhani Maharashtra, India	24.1
146	Arāria Bihar, India	23.9
146	San Juan del Río Querétaro, Mexico	23.9
148	Ariyalūr Tamil Nadu, India	23.8
148	Tlaquepaque Jalisco, Mexico	23.8
150	Pimpri-Chinchwad Maharashtra, India	23.6
151	Dhaulpur Rajasthan, India	23.5
152	Santiago de Querétaro Querétaro, Mexico	23.3
152	Celaya Guanajuato, Mexico	23.3
154	León de los Aldama Guanajuato, Mexico	23.2
155	Vereeniging low-cost sensors Gauteng, South Africa	23.1
156	Mong Kok Yau Tsim Mong District, Hong Kong	23.0
157	Thanjavur Tamil Nadu, India	22.6
157	Hubballi Karnataka, India	22.6
159	Barbil Odisha, India	22.5
159	Hacienda Santa Fe Jalisco, Mexico	22.5
161	Tuen Mun Tuen Mun, Hong Kong	22.3
162	Chānda Maharashtra, India	22.1
163	Guadalajara Jalisco, Mexico	22.0
164	Tai Po Tai Po, Hong Kong	21.9
165	Říčany low-cost sensors Central Bohemia, Czechia	21.7
166	Nalbāri Assam, India	21.6
166	Sham Shui Po Sham Shui Po District, Hong Kong	21.6
168	Kalaburagi Karnataka, India	21.2
168	Tin Shui Wai Yuen Long, Hong Kong	21.2
170	Sau Mau Ping Kwun Tong District, Hong Kong	21.1
171	Silchar Assam, India	21.0
171	Gummidipundi Tamil Nadu, India	21.0
173	Jardines de la Silla Nuevo León, Mexico	20.9
173	Byasanagar Odisha, India	20.9
175	Kwai Chung Kwai Tsing District, Hong Kong	20.7
176	Cuautla Morelos, Mexico	20.6
176	Amaravati Andhra Pradesh, India	20.6
178	Shivamogga Karnataka, India	20.5
178	Pachuca de Soto Hidalgo, Mexico	20.5
180	Silao de la Victoria Guanajuato, Mexico	20.4
181	Zacatepec de Hidalgo Morelos, Mexico	20.3
181	Tula de Allende Hidalgo, Mexico	20.3
181	Santa Catarina Nuevo León, Mexico	20.3
184	Victoria Central and Western, Hong Kong	20.2
185	Salamanca Guanajuato, Mexico	20.1
186	Fanling North District, Hong Kong	20.0
187	Boisar Maharashtra, India	19.8
187	Tsuen Wan Tsuen Wan, Hong Kong	19.8
189	La Providencia Siglo XXI Hidalgo, Mexico	19.6
190	Guanajuato Guanajuato, Mexico	19.4
191	Virār Maharashtra, India	19.3
192	San Tung Chung Hang Islands, Hong Kong	19.1
192	Aberdeen Southern District, Hong Kong	19.1
194	Istanbul low-cost sensors Istanbul, Turkey	19.0
194	Aguascalientes Aguascalientes, Mexico	19.0
196	Gudalur Tamil Nadu, India	18.9
197	Baripāda Odisha, India	18.8
197	Zagreb low-cost sensors Zagreb, Croatia	18.8
197	Canvey Island England, United Kingdom	18.8
200	Quezon City low-cost sensors National Capital Region, Philippines	18.7

Top 200 of 1,624 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