SmogRank / History / week of May 19, 2025

Most polluted cities, week of May 19, 2025

2,338 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	Cuddalore Tamil Nadu, India	271.9
2	Navalpattu Tamil Nadu, India	201.3
3	Santa Anita - Los Ficus Lima region, Peru	76.8
4	Dushanbe Dushanbe, Tajikistan	73.6
5	Aya Nagar Delhi, India	69.3
6	Baddi Himachal Pradesh, India	67.5
7	Keonjhargarh Odisha, India	67.4
8	Muzaffarnagar Uttar Pradesh, India	64.3
9	Dubai low-cost sensors Dubai, United Arab Emirates	61.4
10	Narela Delhi, India	60.9
11	Tonk Rajasthan, India	59.7
12	Najafgarh Delhi, India	53.8
13	Hanumāngarh Rajasthan, India	53.5
14	Kharghar Maharashtra, India	53.3
15	Delhi Delhi, India	52.4
16	Patiāla Punjab, India	51.7
16	Bārmer Rajasthan, India	51.7
18	Jalandhar Punjab, India	51.5
19	Bhiwandi Maharashtra, India	50.8
20	Manama Manama, Bahrain	49.7
21	Tirupati Andhra Pradesh, India	49.1
22	Lucknow Uttar Pradesh, India	48.9
23	Gandhinagar Gujarat, India	48.8
24	Islamabad low-cost sensors Islamabad, Pakistan	47.7
25	Ajmer Rajasthan, India	46.0
26	Vereeniging low-cost sensors Gauteng, South Africa	45.7
27	Bhelai Chhattisgarh, India	45.4
27	Ahmedabad Gujarat, India	45.4
29	Bhiwadi Rajasthan, India	44.9
30	Jaipur Rajasthan, India	44.6
31	Hacienda Santa Fe Jalisco, Mexico	44.3
32	Tlaquepaque Jalisco, Mexico	43.0
33	Ghāziābād Uttar Pradesh, India	42.4
34	Sri Ganganagar Rajasthan, India	42.1
35	Kalyān Maharashtra, India	41.8
36	Noida Uttar Pradesh, India	40.7
37	Anantapur Andhra Pradesh, India	40.6
38	Vapi Gujarat, India	40.5
39	Mangaluru Karnataka, India	40.2
39	Hyderabad Telangana, India	40.2
41	Chūru Rajasthan, India	40.1
42	Jodhpur Rajasthan, India	39.6
43	Rishīkesh Uttarakhand, India	39.2
43	Lima Lima Province, Peru	39.2
45	Chittorgarh Rajasthan, India	39.1
46	Sawai Madhopur Rajasthan, India	38.8
47	Panvel Maharashtra, India	37.9
48	Wadgaon Kolhati Maharashtra, India	37.8
49	Bharatpur Rajasthan, India	37.7
50	Jalgaon Maharashtra, India	37.5
50	Cholula Puebla, Mexico	37.5
52	Atlixco Puebla, Mexico	37.2
53	Gwalior Madhya Pradesh, India	37.1
54	Undera Gujarat, India	36.2
55	Kanpur Uttar Pradesh, India	35.9
56	Sīkar Rajasthan, India	35.6
57	Prayagraj Uttar Pradesh, India	35.5
58	Agra Uttar Pradesh, India	34.9
59	Nashik Maharashtra, India	34.7
59	Jakarta Jakarta, Indonesia	34.7
61	Kigali Kigali, Rwanda	34.6
61	Jhunjhunūn Rajasthan, India	34.6
63	Tiruchirappalli Tamil Nadu, India	34.0
64	Ankleshwar Gujarat, India	33.8
65	Badlapur Maharashtra, India	33.7
66	Nagpur Maharashtra, India	33.5
66	Kanchipuram Tamil Nadu, India	33.5
68	Vijayawada Andhra Pradesh, India	33.4
69	Dūngarpur Rajasthan, India	33.3
70	Chandigarh Chandigarh, India	33.1
71	Virār Maharashtra, India	32.9
72	Hājīpur Bihar, India	32.8
73	Dādri Uttar Pradesh, India	32.2
74	Nāgaur Rajasthan, India	32.0
74	Gaya Bihar, India	32.0
76	Bikaner Rajasthan, India	31.8
77	Tirupparangunram Tamil Nadu, India	31.6
77	Kota Rajasthan, India	31.6
79	Surat Gujarat, India	31.4
79	Patna Bihar, India	31.4
79	Dausa Rajasthan, India	31.4
79	San Francisco De Borja Lima region, Peru	31.4
83	Callao Callao, Peru	30.2
84	Rourkela Odisha, India	29.4
84	Shenyang Liaoning, China	29.4
86	Mohali Punjab, India	29.3
87	Vellore Tamil Nadu, India	29.0
87	Mixquiahuala de Juárez Hidalgo, Mexico	29.0
89	Apizaco Tlaxcala, Mexico	28.6
90	Bhopal Madhya Pradesh, India	28.4
91	Meerut Uttar Pradesh, India	28.0
92	Mahād Maharashtra, India	27.8
93	Sāngli Maharashtra, India	27.7
93	Ciudad Benito Juárez Nuevo León, Mexico	27.7
95	Thāne Maharashtra, India	27.6
95	Bhilwara Rajasthan, India	27.6
97	Būndi Rajasthan, India	27.5
97	Tehuacán Puebla, Mexico	27.5
97	Ciudad Nezahualcoyotl México, Mexico	27.5
100	Tulancingo Hidalgo, Mexico	27.3
101	Naucalpan de Juárez México, Mexico	26.7
102	Tepeji del Río de Ocampo Hidalgo, Mexico	26.6
103	Gummidipundi Tamil Nadu, India	26.3
104	Bhayandar Maharashtra, India	26.1
105	Chennai Tamil Nadu, India	26.0
106	Guadalajara Jalisco, Mexico	25.8
107	Santa Catarina Nuevo León, Mexico	25.4
108	Rasapūdipalem Andhra Pradesh, India	25.2
109	Morelia Michoacán, Mexico	25.1
109	Monterrey Nuevo León, Mexico	25.1
111	Aguascalientes Aguascalientes, Mexico	25.0
112	Istanbul low-cost sensors Istanbul, Turkey	24.7
113	Mumbai Maharashtra, India	24.4
113	Bhāgalpur Bihar, India	24.4
113	Santa Anita Jalisco, Mexico	24.4
116	Mexico City Mexico City, Mexico	24.2
117	Tambaram Tamil Nadu, India	24.1
118	Boisar Maharashtra, India	24.0
119	Rājsamand Rajasthan, India	23.8
119	Jabalpur Madhya Pradesh, India	23.8
121	Puebla Puebla, Mexico	23.5
122	Saugor Madhya Pradesh, India	23.3
122	Amravati Maharashtra, India	23.3
124	Aurangabad Maharashtra, India	23.2
124	Pachuca de Soto Hidalgo, Mexico	23.2
124	Greater Noida Uttar Pradesh, India	23.2
127	Neelankarai Tamil Nadu, India	23.1
128	San Martin Texmelucan de Labastida Puebla, Mexico	23.0
128	Ciudad Juárez Chihuahua, Mexico	23.0
130	Buxar Bihar, India	22.8
130	Tlaxcala Tlaxcala, Mexico	22.8
130	Victoria de Durango Durango, Mexico	22.8
133	Jalor Rajasthan, India	22.7
134	Hāpur Uttar Pradesh, India	22.4
135	Pimpri-Chinchwad Maharashtra, India	22.1
136	Tongaat low-cost sensors KwaZulu-Natal, South Africa	22.0
136	Shakaskraal low-cost sensors KwaZulu-Natal, South Africa	22.0
136	Ansfelden Upper Austria, Austria	22.0
139	Vijayapura Karnataka, India	21.9
140	Pratāpgarh Rajasthan, India	21.8
141	Silchar Assam, India	21.7
142	Coimbatore Tamil Nadu, India	21.6
143	Bengaluru Karnataka, India	21.1
143	Khlong Luang low-cost sensors Pathum Thani, Thailand	21.1
145	Zapopan Jalisco, Mexico	21.0
145	Laredo Texas, United States	21.0
147	Ciudad General Escobedo Nuevo León, Mexico	20.8
147	Celaya Guanajuato, Mexico	20.8
149	Cadereyta Jiménez Nuevo León, Mexico	20.7
149	San Luis Potosí San Luis Potosí, Mexico	20.7
149	Santiago de Querétaro Querétaro, Mexico	20.7
152	Kolhāpur Maharashtra, India	20.6
153	Tepic Nayarit, Mexico	20.5
154	Nagaon Assam, India	20.4
154	Tula de Allende Hidalgo, Mexico	20.4
156	Kolkata West Bengal, India	20.3
156	Ōtsuki Yamanashi, Japan	20.3
158	Rānīganj West Bengal, India	20.0
158	Dhaulpur Rajasthan, India	20.0
158	San Juan del Río Querétaro, Mexico	20.0
158	Edinburg Texas, United States	20.0
162	Tirumala Andhra Pradesh, India	19.8
163	Yamanashi Yamanashi, Japan	19.7
164	Akola Maharashtra, India	19.3
164	Sai Mai low-cost sensors Bangkok, Thailand	19.3
166	Indore Madhya Pradesh, India	19.0
166	Santa Monica low-cost sensors California, United States	19.0
168	Ariyalūr Tamil Nadu, India	18.9
169	Tomioka Gunma, Japan	18.8
170	Guangzhou Guangdong, China	18.7
170	Mission Texas, United States	18.7
172	Nandri Rajasthan, India	18.4
173	Salem Tamil Nadu, India	18.3
173	San Miguel de Allende Guanajuato, Mexico	18.3
175	Sirohi Rajasthan, India	18.1
175	Morādābād Uttar Pradesh, India	18.1
175	Madikeri Karnataka, India	18.1
178	Bārān Rajasthan, India	18.0
178	Wan Chai Wan Chai, Hong Kong	18.0
178	Ourense Galicia, Spain	18.0
181	Jaisalmer Rajasthan, India	17.9
182	Gudalur Tamil Nadu, India	17.8
182	Guwahati Assam, India	17.8
184	Rangiora Canterbury, New Zealand	17.7
185	Brownsville Texas, United States	17.6
186	La Providencia Siglo XXI Hidalgo, Mexico	17.5
187	Mima Tokushima, Japan	17.4
188	Rairangpur Odisha, India	17.3
189	Saijō Ehime, Japan	16.9
190	Mérida Yucatán, Mexico	16.8
190	Corpus Christi Texas, United States	16.8
192	Uozu Toyama, Japan	16.6
192	Ikedachō Tokushima, Japan	16.6
192	Ayase Kanagawa, Japan	16.6
195	Kurayoshi Tottori, Japan	16.5
196	Āsansol West Bengal, India	16.4
196	Shibukawa Gunma, Japan	16.4
198	Pune Maharashtra, India	16.3
198	Bangkok low-cost sensors Bangkok, Thailand	16.3
200	Iloilo low-cost sensors Western Visayas, Philippines	16.2

Top 200 of 2,338 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