SmogRank / History / week of April 21, 2025

Most polluted cities, week of April 21, 2025

2,000 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	Narela Delhi, India	133.6
2	Logroño La Rioja, Spain	132.0
3	Bāghpat Uttar Pradesh, India	112.2
4	Singrauli Madhya Pradesh, India	107.3
5	Meerut Uttar Pradesh, India	104.4
6	Muzaffarnagar Uttar Pradesh, India	99.0
7	Hanumāngarh Rajasthan, India	95.9
8	Sasarām Bihar, India	88.9
9	Bhiwadi Rajasthan, India	85.0
10	Lucknow Uttar Pradesh, India	84.5
11	Najafgarh Delhi, India	83.7
12	Gandhinagar Gujarat, India	82.9
13	Delhi Delhi, India	81.8
14	Ghāziābād Uttar Pradesh, India	79.7
15	Rourkela Odisha, India	74.5
16	Sri Ganganagar Rajasthan, India	66.7
17	Gwalior Madhya Pradesh, India	65.5
18	Patna Bihar, India	65.0
18	Bhelai Chhattisgarh, India	65.0
20	Barbil Odisha, India	61.8
21	Jaipur Rajasthan, India	60.7
22	Patiāla Punjab, India	60.5
22	Ahmedabad Gujarat, India	60.5
24	Dādri Uttar Pradesh, India	58.4
25	Rairangpur Odisha, India	58.1
26	Dausa Rajasthan, India	56.5
27	Bārān Rajasthan, India	55.7
28	Malegaon Maharashtra, India	55.2
29	Jalandhar Punjab, India	54.1
30	Nagpur Maharashtra, India	53.9
31	Noida Uttar Pradesh, India	52.7
32	Jalgaon Maharashtra, India	52.1
33	Ajmer Rajasthan, India	51.8
34	Hāpur Uttar Pradesh, India	51.2
35	Tirupati Andhra Pradesh, India	50.9
36	Dubai low-cost sensors Dubai, United Arab Emirates	50.7
36	Gaya Bihar, India	50.7
38	Latur Maharashtra, India	50.4
39	Angul Odisha, India	50.1
40	Arāria Bihar, India	49.5
41	Sawai Madhopur Rajasthan, India	48.2
42	Kalyān Maharashtra, India	47.9
43	Rishīkesh Uttarakhand, India	46.5
44	Saharsa Bihar, India	45.8
45	Akola Maharashtra, India	45.2
46	Tirupparangunram Tamil Nadu, India	45.0
46	Cholula Puebla, Mexico	45.0
48	Buxar Bihar, India	44.6
49	Mohali Punjab, India	44.3
50	Chandigarh Chandigarh, India	44.2
50	Badlapur Maharashtra, India	44.2
52	Jhālāwār Rajasthan, India	43.9
53	Chiang Mai low-cost sensors Chiang Mai, Thailand	43.8
53	Keonjhargarh Odisha, India	43.8
55	Serilingampalle Telangana, India	43.7
56	Chittorgarh Rajasthan, India	43.2
57	Bettiah Bihar, India	43.0
58	Puebla Puebla, Mexico	42.1
59	Vientiane low-cost sensors Vientiane Prefecture, Laos	41.9
60	Saugor Madhya Pradesh, India	41.8
61	Nashik Maharashtra, India	41.7
62	Mahād Maharashtra, India	41.6
63	Agra Uttar Pradesh, India	40.8
64	Hyderabad Telangana, India	39.9
64	Chānda Maharashtra, India	39.9
66	Vijayawada Andhra Pradesh, India	39.8
66	Kanpur Uttar Pradesh, India	39.8
66	Bhiwandi Maharashtra, India	39.8
69	Sholapur Maharashtra, India	39.6
70	San Martin Texmelucan de Labastida Puebla, Mexico	39.3
70	Wadgaon Kolhati Maharashtra, India	39.3
72	Aurangabad Maharashtra, India	38.6
73	Rānīganj West Bengal, India	38.5
74	Āsansol West Bengal, India	38.2
75	Chūru Rajasthan, India	38.1
76	Kadapa Andhra Pradesh, India	37.2
77	Tlaquepaque Jalisco, Mexico	37.0
78	Atlixco Puebla, Mexico	36.7
79	Ciudad Juárez Chihuahua, Mexico	36.6
80	Baripāda Odisha, India	36.5
81	Pune Maharashtra, India	36.1
82	Bānswāra Rajasthan, India	36.0
83	Greater Noida Uttar Pradesh, India	35.9
84	Thāne Maharashtra, India	35.5
85	Panvel Maharashtra, India	35.1
85	Amravati Maharashtra, India	35.1
87	Jhunjhunūn Rajasthan, India	34.7
88	Kota Rajasthan, India	34.4
88	Bharatpur Rajasthan, India	34.4
88	Quthbullapur Telangana, India	34.4
88	Byasanagar Odisha, India	34.4
92	Tirumala Andhra Pradesh, India	34.3
92	Kolkata West Bengal, India	34.3
92	Tuxtla Chiapas, Mexico	34.3
95	Tehuacán Puebla, Mexico	34.1
96	Kharghar Maharashtra, India	33.6
97	Indore Madhya Pradesh, India	33.5
97	Boisar Maharashtra, India	33.5
99	Bikaner Rajasthan, India	33.2
100	Morādābād Uttar Pradesh, India	33.1
100	Anantapur Andhra Pradesh, India	33.1
102	Bhilwara Rajasthan, India	33.0
103	Ciudad Nezahualcoyotl México, Mexico	32.9
104	Kolhāpur Maharashtra, India	32.6
105	Mixquiahuala de Juárez Hidalgo, Mexico	32.5
106	Rasapūdipalem Andhra Pradesh, India	32.4
106	Pimpri-Chinchwad Maharashtra, India	32.4
108	Yadgir Karnataka, India	32.2
109	Victoria de Durango Durango, Mexico	32.0
110	Jodhpur Rajasthan, India	31.9
111	Cuttack Odisha, India	31.7
112	Vapi Gujarat, India	31.0
112	Baddi Himachal Pradesh, India	31.0
114	Sīkar Rajasthan, India	30.9
115	El Paso Texas, United States	30.4
116	San Luis de la Paz Guanajuato, Mexico	30.3
117	Nanded Maharashtra, India	30.2
118	Tonk Rajasthan, India	30.1
118	Bhilai Chhattisgarh, India	30.1
120	Closepet Karnataka, India	29.7
121	Coimbatore Tamil Nadu, India	29.5
121	Irapuato Guanajuato, Mexico	29.5
123	Chikmagalūr Karnataka, India	29.0
124	Bengaluru Karnataka, India	28.9
124	Hacienda Santa Fe Jalisco, Mexico	28.9
126	Shrīrāmpur West Bengal, India	28.8
127	Gummidipundi Tamil Nadu, India	28.7
127	Mexico City Mexico City, Mexico	28.7
129	Istanbul low-cost sensors Istanbul, Turkey	28.5
129	Būndi Rajasthan, India	28.5
131	Surat Gujarat, India	28.4
132	Guwahati Assam, India	27.6
133	Karauli Rajasthan, India	27.2
134	Jalor Rajasthan, India	26.8
134	Sunland Park New Mexico, United States	26.8
136	Pratāpgarh Rajasthan, India	26.5
137	Raipur Chhattisgarh, India	26.3
137	Socorro Texas, United States	26.3
139	Nāgaur Rajasthan, India	26.2
140	Cuautla Morelos, Mexico	26.1
141	Cuernavaca Morelos, Mexico	25.8
142	Parbhani Maharashtra, India	25.7
142	San Luis Potosí San Luis Potosí, Mexico	25.7
144	Durg Chhattisgarh, India	25.0
145	Dhaulpur Rajasthan, India	24.9
146	León de los Aldama Guanajuato, Mexico	24.8
147	Dūngarpur Rajasthan, India	24.6
147	Celaya Guanajuato, Mexico	24.6
149	Monterrey Nuevo León, Mexico	24.5
150	Tula de Allende Hidalgo, Mexico	24.1
150	San Juan del Río Querétaro, Mexico	24.1
152	Aguascalientes Aguascalientes, Mexico	24.0
152	Amaravati Andhra Pradesh, India	24.0
154	Santa Catarina Nuevo León, Mexico	23.9
155	Bhubaneswar Odisha, India	23.4
156	Guadalajara Jalisco, Mexico	23.3
156	Gadag-Betageri Karnataka, India	23.3
158	Bārmer Rajasthan, India	23.2
159	San Miguel de Allende Guanajuato, Mexico	23.0
160	Jaisalmer Rajasthan, India	22.8
160	Jabalpur Madhya Pradesh, India	22.8
162	Perundurai Tamil Nadu, India	22.5
162	Khlong Luang low-cost sensors Pathum Thani, Thailand	22.5
164	Tepic Nayarit, Mexico	22.1
165	Silao de la Victoria Guanajuato, Mexico	22.0
165	Ciudad Benito Juárez Nuevo León, Mexico	22.0
167	Neelankarai Tamil Nadu, India	21.9
168	Mumbai Maharashtra, India	21.8
168	Bhayandar Maharashtra, India	21.8
168	Salamanca Guanajuato, Mexico	21.8
171	La Providencia Siglo XXI Hidalgo, Mexico	21.6
172	Shivamogga Karnataka, India	21.4
173	Hubballi Karnataka, India	21.3
174	Durgapur West Bengal, India	21.2
175	Dushanbe Dushanbe, Tajikistan	20.9
176	Virār Maharashtra, India	20.3
177	Le Havre Normandy, France	20.2
178	Sirohi Rajasthan, India	20.1
179	Sai Mai low-cost sensors Bangkok, Thailand	19.9
180	Wan Chai Wan Chai, Hong Kong	19.8
181	Kalaburagi Karnataka, India	19.6
181	Gudalur Tamil Nadu, India	19.6
183	Mérida Yucatán, Mexico	19.5
184	Menen Flanders, Belgium	19.2
185	Roeselare Flanders, Belgium	19.1
186	Béthune Hauts-de-France, France	19.0
187	Amiens Hauts-de-France, France	18.9
188	Iloilo low-cost sensors Western Visayas, Philippines	18.8
188	Lochristi Flanders, Belgium	18.8
190	Nandri Rajasthan, India	18.5
191	Cherbourg Normandy, France	18.3
191	Zapopan Jalisco, Mexico	18.3
193	Silchar Assam, India	18.2
194	Chennai Tamil Nadu, India	18.1
194	Roubaix Hauts-de-France, France	18.1
194	Denain Hauts-de-France, France	18.1
194	Abasolo Guanajuato, Mexico	18.1
198	Vereeniging low-cost sensors Gauteng, South Africa	18.0
199	Rājsamand Rajasthan, India	17.8
199	Izegem Flanders, Belgium	17.8

Top 200 of 2,000 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