SmogRank / History / week of May 12, 2025

Most polluted cities, week of May 12, 2025

2,243 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	Aya Nagar Delhi, India	111.8
2	Narela Delhi, India	95.4
3	Muzaffarnagar Uttar Pradesh, India	92.9
4	Patiāla Punjab, India	83.5
5	Lucknow Uttar Pradesh, India	82.8
6	Delhi Delhi, India	76.7
7	Ghāziābād Uttar Pradesh, India	72.2
8	Najafgarh Delhi, India	70.2
9	Bhelai Chhattisgarh, India	67.8
10	Santa Anita - Los Ficus Lima region, Peru	66.9
11	Keonjhargarh Odisha, India	63.5
12	Dushanbe Dushanbe, Tajikistan	63.2
13	Manama Manama, Bahrain	61.6
14	Jhālāwār Rajasthan, India	60.1
15	Meerut Uttar Pradesh, India	59.3
15	Jalandhar Punjab, India	59.3
15	Badlapur Maharashtra, India	59.3
18	Hanumāngarh Rajasthan, India	57.6
19	Nagapattinam Tamil Nadu, India	56.0
20	Mohali Punjab, India	55.5
21	Bhiwadi Rajasthan, India	55.2
22	Noida Uttar Pradesh, India	55.0
23	Rourkela Odisha, India	53.2
24	Mangaluru Karnataka, India	52.9
25	Bāghpat Uttar Pradesh, India	52.8
26	Dādri Uttar Pradesh, India	50.6
27	Kanpur Uttar Pradesh, India	50.2
28	Baddi Himachal Pradesh, India	50.1
29	Gaya Bihar, India	49.5
30	Hājīpur Bihar, India	49.4
31	Cuttack Odisha, India	48.6
32	Vereeniging low-cost sensors Gauteng, South Africa	48.5
33	Hyderabad Telangana, India	47.6
34	Jaipur Rajasthan, India	47.2
35	Greater Noida Uttar Pradesh, India	46.5
36	Gandhinagar Gujarat, India	45.8
36	Joda Odisha, India	45.8
38	Islamabad low-cost sensors Islamabad, Pakistan	45.6
39	Ajmer Rajasthan, India	45.0
40	Kalyān Maharashtra, India	44.9
41	Gwalior Madhya Pradesh, India	44.8
42	Sawai Madhopur Rajasthan, India	44.5
42	Bhiwandi Maharashtra, India	44.5
44	Karauli Rajasthan, India	44.3
45	Amaravati Andhra Pradesh, India	44.2
46	Cuddalore Tamil Nadu, India	44.0
47	Anantapur Andhra Pradesh, India	43.8
48	Angul Odisha, India	43.7
49	Tirupati Andhra Pradesh, India	43.3
50	Chandigarh Chandigarh, India	43.2
51	Ahmedabad Gujarat, India	42.9
52	Patna Bihar, India	42.6
53	Callao Callao, Peru	42.2
54	Vijayawada Andhra Pradesh, India	41.7
55	Nagpur Maharashtra, India	41.3
55	Prayagraj Uttar Pradesh, India	41.3
57	Vellore Tamil Nadu, India	41.2
57	Barbil Odisha, India	41.2
59	Rasapūdipalem Andhra Pradesh, India	40.9
60	Singrauli Madhya Pradesh, India	40.5
61	Tonk Rajasthan, India	40.1
62	Ciudad Juárez Chihuahua, Mexico	38.8
63	Tirumala Andhra Pradesh, India	38.4
63	Rairangpur Odisha, India	38.4
65	Lima Lima Province, Peru	38.1
66	Chūru Rajasthan, India	37.7
66	Agra Uttar Pradesh, India	37.7
68	Buxar Bihar, India	37.5
69	Bhāgalpur Bihar, India	37.0
70	Malegaon Maharashtra, India	36.3
70	Dausa Rajasthan, India	36.3
72	Sri Ganganagar Rajasthan, India	35.6
73	Cholula Puebla, Mexico	35.5
74	Ciudad Benito Juárez Nuevo León, Mexico	35.4
75	Gummidipundi Tamil Nadu, India	34.9
76	Hacienda Santa Fe Jalisco, Mexico	34.6
77	Panvel Maharashtra, India	34.1
78	Kigali Kigali, Rwanda	33.8
78	Thāne Maharashtra, India	33.8
80	Dhule Maharashtra, India	33.3
81	Kolkata West Bengal, India	33.0
82	Hāpur Uttar Pradesh, India	32.7
83	Atlixco Puebla, Mexico	32.6
84	Jhunjhunūn Rajasthan, India	32.5
84	Sunland Park New Mexico, United States	32.5
86	Chennai Tamil Nadu, India	32.4
86	Aguascalientes Aguascalientes, Mexico	32.4
86	Neelankarai Tamil Nadu, India	32.4
89	Sīkar Rajasthan, India	32.2
90	Serilingampalle Telangana, India	32.1
91	Aurangabad Maharashtra, India	31.7
91	Morelia Michoacán, Mexico	31.7
93	Bhopal Madhya Pradesh, India	31.2
93	Santa Catarina Nuevo León, Mexico	31.2
95	Bhilwara Rajasthan, India	31.0
96	Kadapa Andhra Pradesh, India	30.9
97	Sāngli Maharashtra, India	30.8
98	Monterrey Nuevo León, Mexico	30.7
99	Byasanagar Odisha, India	30.6
100	Dubai low-cost sensors Dubai, United Arab Emirates	30.5
101	San Francisco De Borja Lima region, Peru	30.4
102	Rānīganj West Bengal, India	30.1
103	Bharatpur Rajasthan, India	30.0
103	Wadgaon Kolhati Maharashtra, India	30.0
105	García Nuevo León, Mexico	29.8
106	Jakarta Jakarta, Indonesia	29.7
107	Cadereyta Jiménez Nuevo León, Mexico	29.5
108	Addis Ababa Addis Ababa, Ethiopia	29.2
109	Tirupparangunram Tamil Nadu, India	29.1
109	Saugor Madhya Pradesh, India	29.1
109	Ankleshwar Gujarat, India	29.1
112	Āsansol West Bengal, India	29.0
113	Tiruchirappalli Tamil Nadu, India	28.9
114	Tambaram Tamil Nadu, India	28.8
115	Nāgaur Rajasthan, India	28.6
116	Kolhāpur Maharashtra, India	28.4
117	Akola Maharashtra, India	28.3
118	Latur Maharashtra, India	28.2
119	Dūngarpur Rajasthan, India	28.1
120	Baripāda Odisha, India	27.7
121	Chittorgarh Rajasthan, India	27.6
121	Ciudad General Escobedo Nuevo León, Mexico	27.6
121	Jardines de la Silla Nuevo León, Mexico	27.6
124	Morādābād Uttar Pradesh, India	27.5
125	Shakaskraal low-cost sensors KwaZulu-Natal, South Africa	27.1
125	Kota Rajasthan, India	27.1
125	Puebla Puebla, Mexico	27.1
128	Nashik Maharashtra, India	27.0
129	Mixquiahuala de Juárez Hidalgo, Mexico	26.9
129	Tlaquepaque Jalisco, Mexico	26.9
131	Dhaulpur Rajasthan, India	26.7
132	Boisar Maharashtra, India	26.6
133	Undera Gujarat, India	26.5
134	Tongaat low-cost sensors KwaZulu-Natal, South Africa	26.4
135	Arāria Bihar, India	26.3
136	Tehuacán Puebla, Mexico	25.9
137	Kharghar Maharashtra, India	25.6
138	Raipur Chhattisgarh, India	25.4
138	Santiago de Querétaro Querétaro, Mexico	25.4
140	Jalor Rajasthan, India	25.2
140	San Luis Potosí San Luis Potosí, Mexico	25.2
142	Virār Maharashtra, India	25.0
142	Bhayandar Maharashtra, India	25.0
142	Amravati Maharashtra, India	25.0
145	Jodhpur Rajasthan, India	24.8
145	Guadalajara Jalisco, Mexico	24.8
147	Shenyang Liaoning, China	24.7
148	Ariyalūr Tamil Nadu, India	24.5
148	Apizaco Tlaxcala, Mexico	24.5
150	Socorro Texas, United States	24.3
151	Jabalpur Madhya Pradesh, India	24.2
152	Vapi Gujarat, India	24.1
153	Bhubaneswar Odisha, India	23.9
154	Shrīrāmpur West Bengal, India	23.8
154	Durgapur West Bengal, India	23.8
156	Bikaner Rajasthan, India	23.6
156	Tepeji del Río de Ocampo Hidalgo, Mexico	23.6
158	Nandri Rajasthan, India	23.5
159	Sholapur Maharashtra, India	23.1
160	Rishīkesh Uttarakhand, India	23.0
160	Villa Poeta José Gálvez Barrenechea Lima region, Peru	23.0
162	San Juan del Río Querétaro, Mexico	22.9
162	Pimpri-Chinchwad Maharashtra, India	22.9
164	Chānda Maharashtra, India	22.8
164	San Martin Texmelucan de Labastida Puebla, Mexico	22.8
164	Victoria de Durango Durango, Mexico	22.8
164	El Paso Texas, United States	22.8
168	Mumbai Maharashtra, India	22.7
168	Tulancingo Hidalgo, Mexico	22.7
170	Khlong Luang low-cost sensors Pathum Thani, Thailand	22.6
171	Bārān Rajasthan, India	22.5
172	Quezon City low-cost sensors National Capital Region, Philippines	22.4
173	Rājsamand Rajasthan, India	22.1
174	Durg Chhattisgarh, India	21.9
174	Tepic Nayarit, Mexico	21.9
176	Vijayapura Karnataka, India	21.8
176	Bangkok low-cost sensors Bangkok, Thailand	21.8
178	Pratāpgarh Rajasthan, India	21.6
179	Laredo Texas, United States	21.4
180	Surat Gujarat, India	21.1
181	Sirohi Rajasthan, India	21.0
181	Tamana Kumamoto, Japan	21.0
183	Tlaxcala Tlaxcala, Mexico	20.5
184	Istanbul low-cost sensors Istanbul, Turkey	20.4
185	Hubballi Karnataka, India	20.3
186	Bārmer Rajasthan, India	20.2
186	Sai Mai low-cost sensors Bangkok, Thailand	20.2
188	Silchar Assam, India	20.1
189	Iloilo low-cost sensors Western Visayas, Philippines	19.9
190	Shivamogga Karnataka, India	19.7
191	Bengaluru Karnataka, India	19.6
192	Perundurai Tamil Nadu, India	19.5
192	Onomichi Hiroshima, Japan	19.5
194	Nagaon Assam, India	19.4
195	Brawley California, United States	19.2
196	Eagle Pass Texas, United States	19.1
197	Wan Chai Wan Chai, Hong Kong	19.0
198	Zacatepec de Hidalgo Morelos, Mexico	18.9
198	Pachuca de Soto Hidalgo, Mexico	18.9
200	Vientiane low-cost sensors Vientiane Prefecture, Laos	18.8

Top 200 of 2,243 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