SmogRank / History / week of March 24, 2025

Most polluted cities, week of March 24, 2025

2,126 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	Meerut Uttar Pradesh, India	125.1
2	Saltillo Coahuila, Mexico	122.4
3	Dera Māndi Delhi, India	115.4
4	Hājīpur Bihar, India	114.9
5	Vientiane low-cost sensors Vientiane Prefecture, Laos	111.3
6	Rourkela Odisha, India	108.1
7	Narela Delhi, India	103.7
8	Guwahati Assam, India	97.8
9	Ghāziābād Uttar Pradesh, India	92.5
10	Angul Odisha, India	87.0
11	Gurugram Haryana, India	86.8
12	Chiang Mai low-cost sensors Chiang Mai, Thailand	85.4
13	Sasarām Bihar, India	83.8
14	Lucknow Uttar Pradesh, India	81.0
15	Dādri Uttar Pradesh, India	80.5
16	Rānīganj West Bengal, India	77.5
17	Jalandhar Punjab, India	77.1
18	Delhi Delhi, India	72.9
19	Āsansol West Bengal, India	72.1
20	Muzaffarnagar Uttar Pradesh, India	70.3
21	Durgapur West Bengal, India	67.0
22	Najafgarh Delhi, India	66.1
23	Nagpur Maharashtra, India	64.6
24	Kolkata West Bengal, India	64.4
25	Chānda Maharashtra, India	64.2
26	Barbil Odisha, India	63.4
27	Nagaon Assam, India	62.4
28	Hanumāngarh Rajasthan, India	62.2
29	Singrauli Madhya Pradesh, India	61.3
30	Cholula Puebla, Mexico	61.1
31	Sholapur Maharashtra, India	60.1
32	Patna Bihar, India	59.2
33	Gangtok Sikkim, India	58.5
34	Rairangpur Odisha, India	58.4
35	Keonjhargarh Odisha, India	58.3
36	Shrīrāmpur West Bengal, India	58.1
37	Begusarai Bihar, India	57.7
38	Gummidipundi Tamil Nadu, India	57.5
39	Latur Maharashtra, India	57.3
40	Jalgaon Maharashtra, India	56.9
41	Gwalior Madhya Pradesh, India	56.4
42	Bhiwandi Maharashtra, India	56.3
43	Sai Mai low-cost sensors Bangkok, Thailand	56.2
44	Serilingampalle Telangana, India	55.2
45	Chandigarh Chandigarh, India	55.0
46	Byasanagar Odisha, India	54.9
47	Sri Ganganagar Rajasthan, India	54.3
48	Bhilai Chhattisgarh, India	53.9
49	Kharghar Maharashtra, India	53.2
50	Ankleshwar Gujarat, India	52.8
51	Ahmedabad Gujarat, India	52.7
52	Saharsa Bihar, India	52.6
53	Bettiah Bihar, India	52.5
54	Kanpur Uttar Pradesh, India	52.2
55	Nashik Maharashtra, India	52.0
56	Bang Pakong low-cost sensors Chachoengsao, Thailand	51.4
57	Tumkūr Karnataka, India	51.1
57	Mahād Maharashtra, India	51.1
59	Chāpra Bihar, India	50.7
59	Bhāgalpur Bihar, India	50.7
61	Bhiwadi Rajasthan, India	50.5
62	Kalyān Maharashtra, India	50.4
63	Patiāla Punjab, India	50.3
63	Coimbatore Tamil Nadu, India	50.3
65	Vapi Gujarat, India	50.1
66	Aurangabad Maharashtra, India	49.9
67	Bangkok low-cost sensors Bangkok, Thailand	49.7
68	Arāria Bihar, India	49.0
69	Badlapur Maharashtra, India	48.5
70	Baripāda Odisha, India	48.2
71	Noida Uttar Pradesh, India	47.6
72	Sawai Madhopur Rajasthan, India	47.3
72	Chittorgarh Rajasthan, India	47.3
74	Faridabad Haryana, India	46.7
75	Shillong Meghalaya, India	46.5
76	Tirumala Andhra Pradesh, India	46.3
76	Rishīkesh Uttarakhand, India	46.3
78	Thāne Maharashtra, India	46.0
79	Amravati Maharashtra, India	45.7
80	Bhelai Chhattisgarh, India	45.0
80	Ajmer Rajasthan, India	45.0
82	Panvel Maharashtra, India	44.0
83	Nanded Maharashtra, India	43.5
84	Dhule Maharashtra, India	43.3
85	Agra Uttar Pradesh, India	43.0
86	Hāpur Uttar Pradesh, India	42.8
87	Pimpri-Chinchwad Maharashtra, India	42.7
88	Closepet Karnataka, India	42.5
88	Kota Rajasthan, India	42.5
90	Gaya Bihar, India	42.1
91	Otwock Mazovia, Poland	41.9
92	Vijayawada Andhra Pradesh, India	41.6
92	Bharatpur Rajasthan, India	41.6
94	Baddi Himachal Pradesh, India	41.4
95	Greater Noida Uttar Pradesh, India	41.3
96	Akola Maharashtra, India	41.2
97	Mohali Punjab, India	40.3
98	Kadapa Andhra Pradesh, India	40.2
99	Parbhani Maharashtra, India	40.0
100	Bhilwara Rajasthan, India	39.7
101	Hyderabad Telangana, India	39.5
102	Jaipur Rajasthan, India	39.4
103	Istanbul low-cost sensors Istanbul, Turkey	38.9
103	Bānswāra Rajasthan, India	38.9
105	Jhālāwār Rajasthan, India	38.7
106	Yadgir Karnataka, India	38.6
106	Buxar Bihar, India	38.6
106	Amaravati Andhra Pradesh, India	38.6
109	Anantapur Andhra Pradesh, India	38.3
109	Stodůlky low-cost sensors Prague, Czechia	38.3
111	Neelankarai Tamil Nadu, India	38.1
112	Durg Chhattisgarh, India	38.0
112	Joda Odisha, India	38.0
114	Prayagraj Uttar Pradesh, India	37.9
115	Bhubaneswar Odisha, India	37.0
116	Novi Pazar Central Serbia, Serbia	36.9
116	Valjevo Central Serbia, Serbia	36.9
118	Boisar Maharashtra, India	36.8
119	Dubai low-cost sensors Dubai, United Arab Emirates	36.4
120	Kłodzko Lower Silesia, Poland	36.0
121	Jhunjhunūn Rajasthan, India	35.8
121	Indore Madhya Pradesh, India	35.8
123	Pune Maharashtra, India	35.5
123	Bengaluru Karnataka, India	35.5
125	Tlaquepaque Jalisco, Mexico	35.3
126	Pratāpgarh Rajasthan, India	34.7
126	Mumbai Maharashtra, India	34.7
128	Łask Łódź Voivodeship, Poland	34.5
129	Quthbullapur Telangana, India	34.4
129	San Salvador Tizatlalli México, Mexico	34.4
131	Virār Maharashtra, India	34.3
132	Włocławek Kujawsko-Pomorskie, Poland	34.1
133	Chennai Tamil Nadu, India	33.5
133	Jodhpur Rajasthan, India	33.5
135	Kalisz Greater Poland, Poland	33.3
136	Tonk Rajasthan, India	33.0
136	Victoria de Durango Durango, Mexico	33.0
138	Hacienda Santa Fe Jalisco, Mexico	32.8
139	Morādābād Uttar Pradesh, India	32.4
140	Rasapūdipalem Andhra Pradesh, India	32.3
141	Debrecen low-cost sensors Hajdú-Bihar, Hungary	32.2
141	Haldia West Bengal, India	32.2
143	Chūru Rajasthan, India	32.1
144	Tirupparangunram Tamil Nadu, India	31.9
144	Jastrzębie Zdrój Silesia, Poland	31.9
146	Bielsko-Biala Silesia, Poland	31.7
147	Żywiec Silesia, Poland	31.5
148	Łódź Łódź Voivodeship, Poland	31.4
149	Poznań Greater Poland, Poland	31.3
150	Rājgīr Bihar, India	31.2
151	Dausa Rajasthan, India	30.7
152	Rājsamand Rajasthan, India	30.3
153	Nāgaur Rajasthan, India	30.1
154	Dhaulpur Rajasthan, India	30.0
155	Żyrardów Mazovia, Poland	29.8
156	Sīkar Rajasthan, India	29.6
156	Dūngarpur Rajasthan, India	29.6
158	Cuttack Odisha, India	29.5
159	San Luis de la Paz Guanajuato, Mexico	29.4
160	Radom Mazovia, Poland	29.2
160	Wadgaon Kolhati Maharashtra, India	29.2
162	Kolhāpur Maharashtra, India	29.1
163	Būndi Rajasthan, India	28.9
163	Toruń Kujawsko-Pomorskie, Poland	28.9
165	Dębica Subcarpathia, Poland	28.4
166	Rzeszów Subcarpathia, Poland	28.3
167	Saugor Madhya Pradesh, India	27.7
167	Ciudad Nezahualcoyotl México, Mexico	27.7
169	Czechowice-Dziedzice Silesia, Poland	27.6
170	Pruszków Mazovia, Poland	27.4
171	Legionowo Mazovia, Poland	27.3
172	Wrocław Lower Silesia, Poland	27.0
173	Lublin Lublin, Poland	26.8
173	Radomsko Łódź Voivodeship, Poland	26.8
173	Irapuato Guanajuato, Mexico	26.8
176	Jabalpur Madhya Pradesh, India	26.5
176	Bārān Rajasthan, India	26.5
176	Ciudad Juárez Chihuahua, Mexico	26.5
179	Augustów Podlasie, Poland	26.2
180	Obrenovac Central Serbia, Serbia	26.1
181	Zamość Lublin, Poland	25.9
181	Perundurai Tamil Nadu, India	25.9
181	Bikaner Rajasthan, India	25.9
184	Tehuacán Puebla, Mexico	25.8
184	Apizaco Tlaxcala, Mexico	25.8
184	Guadalajara Jalisco, Mexico	25.8
187	Houthalen Flanders, Belgium	25.6
187	Katowice Silesia, Poland	25.6
189	Jarosław Subcarpathia, Poland	25.2
189	Menen Flanders, Belgium	25.2
191	Tarnów Lesser Poland, Poland	25.0
191	Jelenia Góra Lower Silesia, Poland	25.0
191	Elbląg Warmia-Masuria, Poland	25.0
191	Mixquiahuala de Juárez Hidalgo, Mexico	25.0
195	Jaisalmer Rajasthan, India	24.9
195	Kraków Lesser Poland, Poland	24.9
197	Jalor Rajasthan, India	24.7
197	Lochristi Flanders, Belgium	24.7
197	Opole Opole Voivodeship, Poland	24.7
200	Bydgoszcz Kujawsko-Pomorskie, Poland	24.5

Top 200 of 2,126 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