SmogRank / History / week of August 18, 2025

Most polluted cities, week of August 18, 2025

2,302 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	Nagapattinam Tamil Nadu, India	285.0
2	Saltillo Coahuila, Mexico	266.9
3	Singrauli Madhya Pradesh, India	157.7
4	Cuddalore Tamil Nadu, India	135.9
5	Arāria Bihar, India	80.3
6	Kigali Kigali, Rwanda	64.8
7	Faisalabad low-cost sensors Punjab, Pakistan	63.2
8	Dhaulpur Rajasthan, India	63.1
9	Dushanbe Dushanbe, Tajikistan	58.0
10	Rānipet Tamil Nadu, India	55.4
11	Gummidipundi Tamil Nadu, India	54.5
11	Undera Gujarat, India	54.5
13	Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan	51.2
14	Ponferrada Castille and León, Spain	50.3
15	Multan low-cost sensors Punjab, Pakistan	48.3
16	Gujranwala low-cost sensors Punjab, Pakistan	45.3
17	Kadapa Andhra Pradesh, India	43.4
18	Mangaluru Karnataka, India	41.2
19	Lahore low-cost sensors Punjab, Pakistan	40.9
20	Vijayawada Andhra Pradesh, India	40.3
21	Sri Ganganagar Rajasthan, India	40.2
22	Bahawalpur low-cost sensors Punjab, Pakistan	38.7
23	Jakarta Jakarta, Indonesia	38.6
24	Chittoor Andhra Pradesh, India	38.1
24	Manzanares Castille-La Mancha, Spain	38.1
26	Istanbul low-cost sensors Istanbul, Turkey	38.0
27	Sialkot low-cost sensors Punjab, Pakistan	37.4
28	Bhiwadi Rajasthan, India	36.1
29	Nalbāri Assam, India	34.1
30	Gūduvāncheri Tamil Nadu, India	33.9
31	Lima Lima Province, Peru	33.5
32	Nagaon Assam, India	33.4
33	Vereeniging low-cost sensors Gauteng, South Africa	32.9
34	León Castille and León, Spain	32.8
35	Rasapūdipalem Andhra Pradesh, India	32.5
36	Lorca Murcia, Spain	31.5
36	Móstoles Madrid, Spain	31.5
38	Greater Noida Uttar Pradesh, India	31.2
39	Serilingampalle Telangana, India	31.0
40	Rawalpindi low-cost sensors Punjab, Pakistan	30.8
41	Tirupati Andhra Pradesh, India	30.7
42	Fuenlabrada Madrid, Spain	30.5
43	Narela Delhi, India	30.4
44	Ropar Punjab, India	30.3
45	Lagos low-cost sensors Lagos, Nigeria	30.1
46	Ashaiman low-cost sensors Greater Accra, Ghana	29.5
47	Valdemoro Madrid, Spain	29.1
48	Wadgaon Kolhati Maharashtra, India	28.6
49	Karachi low-cost sensors Sindh, Pakistan	28.5
50	Delhi Delhi, India	28.3
51	Dubai low-cost sensors Dubai, United Arab Emirates	28.2
52	Bengaluru Karnataka, India	27.9
53	Muzaffarnagar Uttar Pradesh, India	27.7
54	Chāpra Bihar, India	27.6
54	Jaén Andalusia, Spain	27.6
56	Noida Uttar Pradesh, India	27.5
57	Dādri Uttar Pradesh, India	26.4
58	Begusarai Bihar, India	26.3
59	Quetta low-cost sensors Balochistan, Pakistan	25.9
59	Morādābād Uttar Pradesh, India	25.9
61	Rourkela Odisha, India	25.3
61	Aya Nagar Delhi, India	25.3
63	Ajmer Rajasthan, India	25.1
64	Baddi Himachal Pradesh, India	24.9
65	Bhiwandi Maharashtra, India	24.7
65	Bailén Andalusia, Spain	24.7
67	Jumilla Murcia, Spain	24.6
67	Alcantarilla Murcia, Spain	24.6
67	Xonacatlán México, Mexico	24.6
70	Ourense Galicia, Spain	24.2
70	Medina del Campo Castille and León, Spain	24.2
72	Caravaca Murcia, Spain	24.1
73	Tuxtla Chiapas, Mexico	24.0
74	Surat Gujarat, India	23.5
75	Islamabad low-cost sensors Islamabad, Pakistan	23.4
75	Cholula Puebla, Mexico	23.4
77	Silchar Assam, India	23.3
77	Madrid Madrid, Spain	23.3
79	Tema low-cost sensors Greater Accra, Ghana	23.1
80	Collado-Villalba Madrid, Spain	22.9
81	Lucknow Uttar Pradesh, India	22.8
82	Jalandhar Punjab, India	22.7
82	San Salvador Tizatlalli México, Mexico	22.7
84	Ōtsuki Yamanashi, Japan	22.5
85	Najafgarh Delhi, India	22.3
85	Hāpur Uttar Pradesh, India	22.3
85	Molina de Segura Murcia, Spain	22.3
85	San Francisco De Borja Lima region, Peru	22.3
89	Vellore Tamil Nadu, India	22.1
89	Vijayapura Karnataka, India	22.1
89	Badlapur Maharashtra, India	22.1
89	Murcia Murcia, Spain	22.1
93	Logroño La Rioja, Spain	21.9
94	Tonk Rajasthan, India	21.6
94	Tiruchirappalli Tamil Nadu, India	21.6
96	Shakaskraal low-cost sensors KwaZulu-Natal, South Africa	21.5
96	Burgos Castille and León, Spain	21.5
98	Saharsa Bihar, India	21.1
98	Chennai Tamil Nadu, India	21.1
98	Barrio de Peral Murcia, Spain	21.1
101	Tirupparangunram Tamil Nadu, India	21.0
101	Iloilo low-cost sensors Western Visayas, Philippines	21.0
103	Ghāziābād Uttar Pradesh, India	20.9
103	Córdoba Andalusia, Spain	20.9
105	Salamanca Castille and León, Spain	20.6
106	Salem Tamil Nadu, India	20.3
106	Coslada Madrid, Spain	20.3
108	Lewiston Idaho, United States	20.2
109	Kanpur Uttar Pradesh, India	19.8
109	Quezon City low-cost sensors National Capital Region, Philippines	19.8
109	Callao Callao, Peru	19.8
112	Medina Estates low-cost sensors Greater Accra, Ghana	19.7
112	Sarajevo Federation of B&H, Bosnia and Herzegovina	19.7
114	Vapi Gujarat, India	19.3
115	Gudalur Tamil Nadu, India	19.1
115	Baripāda Odisha, India	19.1
115	Accra low-cost sensors Greater Accra, Ghana	19.1
115	Torrejón de Ardoz Madrid, Spain	19.1
119	Patna Bihar, India	19.0
119	Gwalior Madhya Pradesh, India	19.0
121	Sevilla Andalusia, Spain	18.9
121	Granada Andalusia, Spain	18.9
123	Algete Madrid, Spain	18.8
123	Tsuchiura Ibaraki, Japan	18.8
125	Chikmagalūr Karnataka, India	18.7
126	Rairangpur Odisha, India	18.6
126	Agra Uttar Pradesh, India	18.6
128	Nanded Maharashtra, India	18.4
128	Vientiane low-cost sensors Vientiane Prefecture, Laos	18.4
130	Bikaner Rajasthan, India	18.2
130	Hachiōji Tokyo, Japan	18.2
130	Tepeji del Río de Ocampo Hidalgo, Mexico	18.2
133	Rājsamand Rajasthan, India	18.1
133	Palencia Castille and León, Spain	18.1
133	Akishima Tokyo, Japan	18.1
136	Torrevieja Valencia, Spain	18.0
137	Nagpur Maharashtra, India	17.9
137	Dausa Rajasthan, India	17.9
139	Bettiah Bihar, India	17.8
139	Aihara Kanagawa, Japan	17.8
139	Manlleu Catalonia, Spain	17.8
142	Sano Tochigi, Japan	17.7
143	Jhunjhunūn Rajasthan, India	17.6
143	Changchun low-cost sensors Jilin, China	17.6
143	Trento Trentino-Alto Adige, Italy	17.6
146	Virār Maharashtra, India	17.5
146	Uozu Toyama, Japan	17.5
146	Minamirinkan Kanagawa, Japan	17.5
146	Naka Ibaraki, Japan	17.5
146	Aranda de Duero Castille and León, Spain	17.5
151	Arrah Bihar, India	17.4
151	Chigasaki Kanagawa, Japan	17.4
151	Kasama Ibaraki, Japan	17.4
154	Ōme Tokyo, Japan	17.3
155	Perundurai Tamil Nadu, India	17.2
155	Jaipur Rajasthan, India	17.2
157	Iwaki Fukushima, Japan	17.1
157	Hokota Ibaraki, Japan	17.1
157	Cartagena Murcia, Spain	17.1
160	Hubballi Karnataka, India	16.9
160	Toki Gifu, Japan	16.9
160	Valencia Valencia, Spain	16.9
163	Tottori-shi Tottori, Japan	16.8
164	Kofu Yamanashi, Japan	16.7
165	Santa Lucía Canary Islands, Spain	16.6
165	Kodaira Tokyo, Japan	16.6
167	Wan Chai Wan Chai, Hong Kong	16.5
167	Tatebayashi Gunma, Japan	16.5
167	Ayase Kanagawa, Japan	16.5
170	Siwān Bihar, India	16.4
170	Rānīganj West Bengal, India	16.4
170	Oyama Tochigi, Japan	16.4
170	Alcalá de Guadaira Andalusia, Spain	16.4
170	Mollet del Vallès Catalonia, Spain	16.4
170	Naucalpan de Juárez México, Mexico	16.4
176	Coimbatore Tamil Nadu, India	16.3
176	Kiryū Gunma, Japan	16.3
176	Minawa Kanagawa, Japan	16.3
176	Żabbar Ħaż-Żabbar, Malta	16.3
176	Neelankarai Tamil Nadu, India	16.3
181	Tokyo Tokyo, Japan	16.2
181	Shibukawa Gunma, Japan	16.2
181	Menuma Saitama, Japan	16.2
181	Villena Valencia, Spain	16.2
185	Hyderabad Telangana, India	16.1
185	Nakatsu Oita, Japan	16.1
185	Fukui-shi Fukui, Japan	16.1
185	Iruma Saitama, Japan	16.1
185	Fuchū Tokyo, Japan	16.1
190	Durgapur West Bengal, India	16.0
190	Kamisu Ibaraki, Japan	16.0
192	Kolkata West Bengal, India	15.9
192	Yokkaichi Mie, Japan	15.9
192	Tomioka Gunma, Japan	15.9
192	Kariya Aichi, Japan	15.9
192	Inabe Mie, Japan	15.9
192	Azamino Kanagawa, Japan	15.9
198	Alcalá de Henares Madrid, Spain	15.8
198	Morelia Michoacán, Mexico	15.8
198	Kuwana Mie, Japan	15.8

Top 200 of 2,302 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