SmogRank / History / week of August 11, 2025

Most polluted cities, week of August 11, 2025

2,212 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	Ponferrada Castille and León, Spain	110.0
2	Santa Lucía Canary Islands, Spain	77.8
3	Gujranwala low-cost sensors Punjab, Pakistan	62.6
4	Gummidipundi Tamil Nadu, India	62.1
5	Sri Ganganagar Rajasthan, India	60.1
6	Dushanbe Dushanbe, Tajikistan	57.2
7	Vereeniging low-cost sensors Gauteng, South Africa	53.6
8	Faisalabad low-cost sensors Punjab, Pakistan	53.4
9	Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan	51.8
10	Lahore low-cost sensors Punjab, Pakistan	49.1
11	León Castille and León, Spain	48.2
12	Greater Noida Uttar Pradesh, India	45.1
13	Nalbāri Assam, India	44.1
14	Sialkot low-cost sensors Punjab, Pakistan	43.2
15	Rawalpindi low-cost sensors Punjab, Pakistan	42.7
16	Multan low-cost sensors Punjab, Pakistan	40.0
17	Morādābād Uttar Pradesh, India	39.7
18	Muzaffarnagar Uttar Pradesh, India	38.3
19	Kadapa Andhra Pradesh, India	37.8
20	Saharsa Bihar, India	37.6
20	Buxar Bihar, India	37.6
22	Noida Uttar Pradesh, India	37.5
23	Tonk Rajasthan, India	37.3
24	Ajmer Rajasthan, India	37.1
25	Istanbul low-cost sensors Istanbul, Turkey	37.0
26	Vijayawada Andhra Pradesh, India	36.7
27	Bānswāra Rajasthan, India	36.4
28	Narela Delhi, India	36.2
29	Bhiwadi Rajasthan, India	35.7
30	Dādri Uttar Pradesh, India	35.6
31	Chāpra Bihar, India	35.3
32	Bhāgalpur Bihar, India	34.5
32	Arāria Bihar, India	34.5
34	Nagaon Assam, India	33.7
35	Anantapur Andhra Pradesh, India	33.5
36	Delhi Delhi, India	33.4
37	Shakaskraal low-cost sensors KwaZulu-Natal, South Africa	33.0
38	Rasapūdipalem Andhra Pradesh, India	32.8
38	Hyderabad Telangana, India	32.8
40	Ourense Galicia, Spain	32.7
41	Ghāziābād Uttar Pradesh, India	31.8
42	Gaya Bihar, India	31.6
42	Cuddalore Tamil Nadu, India	31.6
44	Dubai low-cost sensors Dubai, United Arab Emirates	31.0
45	Aya Nagar Delhi, India	30.9
46	Karauli Rajasthan, India	30.8
47	Baripāda Odisha, India	30.0
48	Jaipur Rajasthan, India	28.9
48	Dausa Rajasthan, India	28.9
50	Tongaat low-cost sensors KwaZulu-Natal, South Africa	28.7
51	Hāpur Uttar Pradesh, India	28.4
52	Mangaluru Karnataka, India	28.1
53	Cholula Puebla, Mexico	28.0
54	Vila Real Vila Real, Portugal	27.8
55	Karachi low-cost sensors Sindh, Pakistan	27.7
56	Tirupparangunram Tamil Nadu, India	27.2
57	Kalyān Maharashtra, India	27.1
58	Jumilla Murcia, Spain	26.8
58	Manlleu Catalonia, Spain	26.8
58	Neelankarai Tamil Nadu, India	26.8
61	Jalandhar Punjab, India	26.7
61	Baddi Himachal Pradesh, India	26.7
63	Begusarai Bihar, India	26.4
64	Chānda Maharashtra, India	26.3
65	Joda Odisha, India	26.1
66	Quetta low-cost sensors Balochistan, Pakistan	25.7
67	Fuenlabrada Madrid, Spain	25.6
68	Najafgarh Delhi, India	25.5
69	Dhule Maharashtra, India	25.4
70	Ashaiman low-cost sensors Greater Accra, Ghana	25.2
70	Móstoles Madrid, Spain	25.2
72	Lalín Galicia, Spain	24.6
73	Pratāpgarh Rajasthan, India	24.4
73	Bhiwandi Maharashtra, India	24.4
75	Bahawalpur low-cost sensors Punjab, Pakistan	24.2
75	Malegaon Maharashtra, India	24.2
77	Winterthur low-cost sensors Zurich, Switzerland	24.0
77	San Francisco Tlalcilalcalpan México, Mexico	24.0
79	Rourkela Odisha, India	23.8
79	Patna Bihar, India	23.8
81	Sawai Madhopur Rajasthan, India	23.7
82	Candelaria Canary Islands, Spain	23.6
83	Mollet del Vallès Catalonia, Spain	23.5
84	Addis Ababa Addis Ababa, Ethiopia	23.4
85	Chittorgarh Rajasthan, India	23.3
85	Lleida Catalonia, Spain	23.3
87	Rānīganj West Bengal, India	23.1
88	Medina del Campo Castille and León, Spain	23.0
89	Quezon City low-cost sensors National Capital Region, Philippines	22.8
90	Iloilo low-cost sensors Western Visayas, Philippines	22.7
90	Palencia Castille and León, Spain	22.7
92	Vigevano Lombardy, Italy	22.6
93	Jhunjhunūn Rajasthan, India	22.5
93	Chūru Rajasthan, India	22.5
95	Nagpur Maharashtra, India	22.4
96	Silchar Assam, India	22.2
96	Lagos low-cost sensors Lagos, Nigeria	22.2
98	Lugo Galicia, Spain	22.1
98	Avilés Asturias, Spain	22.1
100	Vijayapura Karnataka, India	22.0
100	Changchun low-cost sensors Jilin, China	22.0
100	Port Alberni British Columbia, Canada	22.0
103	Rājsamand Rajasthan, India	21.9
103	Ahmedabad Gujarat, India	21.9
105	Saugor Madhya Pradesh, India	21.8
105	Lucknow Uttar Pradesh, India	21.8
105	Bhilwara Rajasthan, India	21.8
108	Kota Rajasthan, India	21.7
109	Sarajevo Federation of B&H, Bosnia and Herzegovina	21.6
110	Durgapur West Bengal, India	21.5
111	Gwalior Madhya Pradesh, India	21.4
112	Bārān Rajasthan, India	21.2
113	Jaén Andalusia, Spain	21.1
114	Bengaluru Karnataka, India	20.9
114	Mankato Minnesota, United States	20.9
114	Superior Wisconsin, United States	20.9
117	Dūngarpur Rajasthan, India	20.7
118	Valdemoro Madrid, Spain	20.6
119	Naples Campania, Italy	20.5
119	Winnipeg low-cost sensors Manitoba, Canada	20.5
121	Āsansol West Bengal, India	20.4
121	Valencia Valencia, Spain	20.4
123	Kanpur Uttar Pradesh, India	20.2
123	Ankleshwar Gujarat, India	20.2
123	Żabbar Ħaż-Żabbar, Malta	20.2
123	Speyer Rheinland-Pfalz, Germany	20.2
127	Salamanca Castille and León, Spain	20.1
128	Badlapur Maharashtra, India	20.0
128	Burgos Castille and León, Spain	20.0
130	Pamplona Navarre, Spain	19.8
130	Barcelona Catalonia, Spain	19.8
130	Pasadena low-cost sensors California, United States	19.8
133	Jalgaon Maharashtra, India	19.7
133	Soria Castille and León, Spain	19.7
133	Vapi Gujarat, India	19.7
133	Wadgaon Kolhati Maharashtra, India	19.7
137	Bellinzona Ticino, Switzerland	19.6
137	Havířov Moravian-Silesian Region, Czechia	19.6
137	Windsor Ontario, Canada	19.6
140	Angul Odisha, India	19.5
140	les Escaldes Escaldes-Engordany, Andorra	19.5
142	Zagreb low-cost sensors Zagreb, Croatia	19.3
143	Novara Piedmont, Italy	19.2
143	Puebla Puebla, Mexico	19.2
145	Gudalur Tamil Nadu, India	19.0
145	Zaragoza Aragon, Spain	19.0
145	Gijón Asturias, Spain	19.0
145	Alessandria Piedmont, Italy	19.0
149	San Salvador Tizatlalli México, Mexico	18.9
150	Arrecife Canary Islands, Spain	18.8
150	Madrid Madrid, Spain	18.8
152	Bettiah Bihar, India	18.7
152	Lourdes Occitanie, France	18.7
152	Bra Piedmont, Italy	18.7
152	Borgomanero Piedmont, Italy	18.7
156	Chennai Tamil Nadu, India	18.6
156	Aranda de Duero Castille and León, Spain	18.6
156	Ciudad Benito Juárez Nuevo León, Mexico	18.6
159	Bikaner Rajasthan, India	18.5
159	Girona Catalonia, Spain	18.5
161	Trento Trentino-Alto Adige, Italy	18.4
162	Bhopal Madhya Pradesh, India	18.3
163	Hanumāngarh Rajasthan, India	18.2
163	Logroño La Rioja, Spain	18.2
165	Toulouse Occitanie, France	18.1
165	Znojmo South Moravian, Czechia	18.1
167	Amravati Maharashtra, India	18.0
167	Taguig low-cost sensors National Capital Region, Philippines	18.0
167	Milan Lombardy, Italy	18.0
170	Sīkar Rajasthan, India	17.9
170	Zvolen Banská Bystrica Region, Slovakia	17.9
170	García Nuevo León, Mexico	17.9
173	Jhālāwār Rajasthan, India	17.8
173	Beroun Central Bohemia, Czechia	17.8
175	Hubballi Karnataka, India	17.7
175	Tema low-cost sensors Greater Accra, Ghana	17.7
175	Tarbes Occitanie, France	17.7
178	Manzanares Castille-La Mancha, Spain	17.6
178	Valletta Valletta, Malta	17.6
178	Stuttgart Baden-Wurttemberg, Germany	17.6
178	Žilina Žilina Region, Slovakia	17.6
178	Komárno Nitra Region, Slovakia	17.6
178	Monterrey Nuevo León, Mexico	17.6
184	Chandigarh Chandigarh, India	17.5
184	Bern Bern, Switzerland	17.5
184	Innsbruck Tyrol, Austria	17.5
184	Martin Žilina Region, Slovakia	17.5
184	Atlixco Puebla, Mexico	17.5
184	West Fargo North Dakota, United States	17.5
190	Jalor Rajasthan, India	17.4
190	Arrah Bihar, India	17.4
192	Kolkata West Bengal, India	17.3
192	Zürich Zurich, Switzerland	17.3
192	Bolzano Trentino-Alto Adige, Italy	17.3
192	Rangiora Canterbury, New Zealand	17.3
196	Sāngli Maharashtra, India	17.2
196	Ludwigshafen am Rhein Rheinland-Pfalz, Germany	17.2
196	Friedrichshafen Baden-Wurttemberg, Germany	17.2
196	Pau New Aquitaine, France	17.2
196	Lexington low-cost sensors Massachusetts, United States	17.2

Top 200 of 2,212 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