SmogRank / History / week of September 15, 2025

Most polluted cities, week of September 15, 2025

2,308 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	Calexico California, United States	219.2
2	Greater Noida Uttar Pradesh, India	86.9
3	Gummidipundi Tamil Nadu, India	83.1
4	Gujranwala low-cost sensors Punjab, Pakistan	62.6
5	Saltillo Coahuila, Mexico	61.4
6	Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan	59.2
7	Karauli Rajasthan, India	58.6
8	Sialkot low-cost sensors Punjab, Pakistan	55.0
9	Lahore low-cost sensors Punjab, Pakistan	52.6
10	Multan low-cost sensors Punjab, Pakistan	51.7
11	Faisalabad low-cost sensors Punjab, Pakistan	50.3
12	Bhiwadi Rajasthan, India	49.5
13	Dādri Uttar Pradesh, India	49.4
14	Noida Uttar Pradesh, India	48.5
15	Muzaffarnagar Uttar Pradesh, India	47.8
16	Joda Odisha, India	47.7
17	Narela Delhi, India	45.4
18	Agüimes Canary Islands, Spain	44.4
19	Rasapūdipalem Andhra Pradesh, India	44.3
20	Ingenio Canary Islands, Spain	43.7
21	Bhāgalpur Bihar, India	43.1
22	Ghāziābād Uttar Pradesh, India	42.9
23	Dushanbe Dushanbe, Tajikistan	42.6
24	Tirupati Andhra Pradesh, India	42.2
25	Cuddalore Tamil Nadu, India	42.0
26	Hyderabad Telangana, India	41.5
27	Baddi Himachal Pradesh, India	41.1
28	Kadapa Andhra Pradesh, India	40.8
29	Rawalpindi low-cost sensors Punjab, Pakistan	40.7
30	Delhi Delhi, India	40.5
31	Dubai low-cost sensors Dubai, United Arab Emirates	40.4
32	Bānswāra Rajasthan, India	40.1
33	Sri Ganganagar Rajasthan, India	39.3
34	Hāpur Uttar Pradesh, India	38.5
35	Buxar Bihar, India	37.8
36	Maspalomas Canary Islands, Spain	37.5
37	Serilingampalle Telangana, India	37.3
38	Tonk Rajasthan, India	37.1
39	Lucknow Uttar Pradesh, India	36.2
40	Gwalior Madhya Pradesh, India	36.0
40	Anantapur Andhra Pradesh, India	36.0
42	Jalgaon Maharashtra, India	35.8
43	Agra Uttar Pradesh, India	35.7
44	Meerut Uttar Pradesh, India	35.0
45	Bharatpur Rajasthan, India	34.2
46	Nagaon Assam, India	33.8
47	Vapi Gujarat, India	33.6
47	Wadgaon Kolhati Maharashtra, India	33.6
49	Rānīganj West Bengal, India	33.5
50	Rourkela Odisha, India	33.3
50	Aurangabad Maharashtra, India	33.3
52	Ankleshwar Gujarat, India	33.1
53	Patna Bihar, India	32.9
54	Angul Odisha, India	32.7
54	Aya Nagar Delhi, India	32.7
56	Quetta low-cost sensors Balochistan, Pakistan	31.8
56	Najafgarh Delhi, India	31.8
56	Hājīpur Bihar, India	31.8
59	Vijayawada Andhra Pradesh, India	31.0
60	Ajmer Rajasthan, India	30.8
61	Saugor Madhya Pradesh, India	30.7
62	Sirohi Rajasthan, India	30.6
63	Baripāda Odisha, India	30.2
64	Santa Lucía Canary Islands, Spain	30.0
65	Byasanagar Odisha, India	29.5
66	Kanpur Uttar Pradesh, India	29.4
67	Morādābād Uttar Pradesh, India	29.3
67	Gaya Bihar, India	29.3
69	Granadilla de Abona Canary Islands, Spain	29.1
70	Jaipur Rajasthan, India	28.9
71	Bahawalpur low-cost sensors Punjab, Pakistan	28.7
72	Vereeniging low-cost sensors Gauteng, South Africa	28.5
73	Chāpra Bihar, India	28.4
74	Nalbāri Assam, India	28.1
74	Kolkata West Bengal, India	28.1
76	Jalandhar Punjab, India	28.0
77	Tirupparangunram Tamil Nadu, India	27.7
77	Coimbatore Tamil Nadu, India	27.7
79	Istanbul low-cost sensors Istanbul, Turkey	27.6
80	Chandigarh Chandigarh, India	27.5
81	Chittorgarh Rajasthan, India	27.2
81	Lagos low-cost sensors Lagos, Nigeria	27.2
83	Durgapur West Bengal, India	27.0
84	Addis Ababa Addis Ababa, Ethiopia	26.7
85	Kharghar Maharashtra, India	26.6
86	Kalyān Maharashtra, India	26.5
87	Karachi low-cost sensors Sindh, Pakistan	25.7
87	Gandhinagar Gujarat, India	25.7
89	Ashaiman low-cost sensors Greater Accra, Ghana	25.1
90	Nagpur Maharashtra, India	25.0
91	Ahmedabad Gujarat, India	24.6
91	Singrauli Madhya Pradesh, India	24.6
93	Jhālāwār Rajasthan, India	24.4
94	Jhunjhunūn Rajasthan, India	24.2
95	Āsansol West Bengal, India	24.0
95	San Salvador Tizatlalli México, Mexico	24.0
97	Badlapur Maharashtra, India	23.9
98	Tema low-cost sensors Greater Accra, Ghana	23.8
99	Barbil Odisha, India	23.7
100	Mangaluru Karnataka, India	23.2
101	Nashik Maharashtra, India	22.9
102	Cholula Puebla, Mexico	22.8
102	Neelankarai Tamil Nadu, India	22.8
104	Panvel Maharashtra, India	22.7
105	Chennai Tamil Nadu, India	22.5
106	Bārān Rajasthan, India	22.3
107	Hanumāngarh Rajasthan, India	22.2
108	Vijayapura Karnataka, India	22.1
109	Shrīrāmpur West Bengal, India	22.0
110	Jabalpur Madhya Pradesh, India	21.9
111	Ropar Punjab, India	21.8
112	Pratāpgarh Rajasthan, India	21.7
112	Bhilwara Rajasthan, India	21.7
114	Silchar Assam, India	21.3
115	Bhopal Madhya Pradesh, India	21.1
115	Fuenlabrada Madrid, Spain	21.1
117	Calgary Alberta, Canada	21.0
118	Amravati Maharashtra, India	20.5
119	Shivamogga Karnataka, India	20.4
120	Cuttack Odisha, India	20.3
121	Arona Canary Islands, Spain	20.2
122	Dausa Rajasthan, India	20.1
123	Hubballi Karnataka, India	19.8
124	Dhaulpur Rajasthan, India	19.7
125	La Orotava Canary Islands, Spain	19.5
126	Bhubaneswar Odisha, India	19.2
126	Candelaria Canary Islands, Spain	19.2
128	San Isidro Canary Islands, Spain	19.1
129	Sevilla Andalusia, Spain	18.9
130	Haldia West Bengal, India	18.8
130	Quezon City low-cost sensors National Capital Region, Philippines	18.8
130	Accra low-cost sensors Greater Accra, Ghana	18.8
133	Kota Rajasthan, India	18.7
133	Boisar Maharashtra, India	18.7
133	Macon Georgia, United States	18.7
136	Sīkar Rajasthan, India	18.5
136	Bengaluru Karnataka, India	18.5
138	Patiāla Punjab, India	18.3
138	Arucas Canary Islands, Spain	18.3
140	Perundurai Tamil Nadu, India	18.0
140	Oconomowoc low-cost sensors Wisconsin, United States	18.0
142	Rājsamand Rajasthan, India	17.9
143	Dūngarpur Rajasthan, India	17.8
144	Red Deer Alberta, Canada	17.6
145	Sawai Madhopur Rajasthan, India	17.5
145	Portsmouth Ohio, United States	17.5
145	Airdrie Alberta, Canada	17.5
148	Cuernavaca Morelos, Mexico	17.4
149	Parbhani Maharashtra, India	17.3
149	Arrah Bihar, India	17.3
151	Jalor Rajasthan, India	17.2
151	Kalaburagi Karnataka, India	17.2
151	Akola Maharashtra, India	17.2
151	Medina Estates low-cost sensors Greater Accra, Ghana	17.2
151	Hernando Mississippi, United States	17.2
156	Madikeri Karnataka, India	17.1
156	Augusta Georgia, United States	17.1
158	Fengshan Takao, Taiwan	17.0
158	Móstoles Madrid, Spain	17.0
158	West Memphis Arkansas, United States	17.0
161	Sarajevo Federation of B&H, Bosnia and Herzegovina	16.9
161	Nandri Rajasthan, India	16.9
163	Virār Maharashtra, India	16.8
163	Kolhāpur Maharashtra, India	16.8
163	Nichelino Piedmont, Italy	16.8
163	Tijuana Baja California, Mexico	16.8
163	Indianapolis Indiana, United States	16.8
168	Edmonton Alberta, Canada	16.7
169	Milan Lombardy, Italy	16.6
170	Telde Canary Islands, Spain	16.5
170	Santa Catarina Nuevo León, Mexico	16.5
170	Birmingham Alabama, United States	16.5
170	Porterville California, United States	16.5
174	Gudalur Tamil Nadu, India	16.4
174	Changchun low-cost sensors Jilin, China	16.4
174	Santa Cruz de Tenerife Canary Islands, Spain	16.4
177	Bartlett Tennessee, United States	16.3
178	Bikaner Rajasthan, India	16.2
178	Buzi Taiwan, Taiwan	16.2
178	Gijón Asturias, Spain	16.2
181	Ōtsuki Yamanashi, Japan	16.1
182	Jodhpur Rajasthan, India	16.0
182	Ourense Galicia, Spain	16.0
182	Bra Piedmont, Italy	16.0
185	Wenatchee Washington, United States	15.9
185	Lethbridge Alberta, Canada	15.9
187	Siwān Bihar, India	15.8
187	Taichung Taiwan, Taiwan	15.8
187	Wan Chai Wan Chai, Hong Kong	15.8
187	Las Palmas de Gran Canaria Canary Islands, Spain	15.8
187	Valdosta Georgia, United States	15.8
192	Shakaskraal low-cost sensors KwaZulu-Natal, South Africa	15.7
192	Chānda Maharashtra, India	15.7
192	Prayagraj Uttar Pradesh, India	15.7
192	Puebla Puebla, Mexico	15.7
196	Pune Maharashtra, India	15.5
196	Chūru Rajasthan, India	15.5
196	Jackson Mississippi, United States	15.5
199	Keonjhargarh Odisha, India	15.4
199	Vientiane low-cost sensors Vientiane Prefecture, Laos	15.4

Top 200 of 2,308 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