SmogRank / History / week of July 21, 2025

Most polluted cities, week of July 21, 2025

2,136 cities ranked by their average PM2.5 over the 7 days. A city needs measurements on 70% of the days to be ranked.

← week of July 14, 2025week of July 28, 2025 →
#City µg/m³
1Bhelai Chhattisgarh, India
77.0
2Sri Ganganagar Rajasthan, India
72.7
3Prince Albert Saskatchewan, Canada
62.7
4Faisalabad low-cost sensors Punjab, Pakistan
56.9
5Lahore low-cost sensors Punjab, Pakistan
56.3
6Gujranwala low-cost sensors Punjab, Pakistan
56.2
7Dushanbe Dushanbe, Tajikistan
53.8
8Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan
46.0
9Gaya Bihar, India
44.0
10Ghāziābād Uttar Pradesh, India
43.6
11Saltillo Coahuila, Mexico
43.0
12Saharsa Bihar, India
41.2
13Cuddalore Tamil Nadu, India
40.9
14Dubai low-cost sensors Dubai, United Arab Emirates
40.3
15Sialkot low-cost sensors Punjab, Pakistan
40.1
16Saskatoon Saskatchewan, Canada
39.4
17Vereeniging low-cost sensors Gauteng, South Africa
38.6
18Hājīpur Bihar, India
38.5
19Multan low-cost sensors Punjab, Pakistan
37.5
20Gadag-Betageri Karnataka, India
37.3
21Narela Delhi, India
37.1
22Vijayawada Andhra Pradesh, India
37.0
22Singrauli Madhya Pradesh, India
37.0
24Baddi Himachal Pradesh, India
35.7
25Muzaffarnagar Uttar Pradesh, India
34.9
25Kota Rajasthan, India
34.9
27Kadapa Andhra Pradesh, India
34.8
28Morādābād Uttar Pradesh, India
34.6
29Greater Noida Uttar Pradesh, India
33.6
30Rangiora Canterbury, New Zealand
33.4
31Chittoor Andhra Pradesh, India
33.3
31Noida Uttar Pradesh, India
33.3
33Tonk Rajasthan, India
33.2
34Bārān Rajasthan, India
32.8
35Dādri Uttar Pradesh, India
32.6
36Rājgīr Bihar, India
32.4
36Anantapur Andhra Pradesh, India
32.4
38Regina Saskatchewan, Canada
32.3
38Joda Odisha, India
32.3
40Patna Bihar, India
31.2
40Delhi Delhi, India
31.2
42Nalbāri Assam, India
31.0
43Swift Current Saskatchewan, Canada
30.7
43Bhiwadi Rajasthan, India
30.7
45Durgapur West Bengal, India
30.3
46Najafgarh Delhi, India
30.2
47Wadgaon Kolhati Maharashtra, India
30.1
48Vapi Gujarat, India
29.9
49Rawalpindi low-cost sensors Punjab, Pakistan
29.7
50Hyderabad Telangana, India
29.2
51Istanbul low-cost sensors Istanbul, Turkey
28.7
52Timaru Canterbury, New Zealand
28.4
52Tema low-cost sensors Greater Accra, Ghana
28.4
54Tirupparangunram Tamil Nadu, India
28.2
54Hāpur Uttar Pradesh, India
28.2
56Ahmedabad Gujarat, India
28.0
57Sorel-Tracy Quebec, Canada
27.5
58Addis Ababa Addis Ababa, Ethiopia
27.4
58Lucknow Uttar Pradesh, India
27.4
60Dausa Rajasthan, India
27.1
61Ajmer Rajasthan, India
27.0
62Islamabad low-cost sensors Islamabad, Pakistan
26.9
63Duluth Minnesota, United States
26.7
64Trois-Rivières Quebec, Canada
26.0
65Karachi low-cost sensors Sindh, Pakistan
25.9
66Jaipur Rajasthan, India
25.7
67San Francisco Tlalcilalcalpan México, Mexico
25.6
68Shawinigan Quebec, Canada
25.5
69Changchun low-cost sensors Jilin, China
25.4
70Rānīganj West Bengal, India
25.3
71Malegaon Maharashtra, India
25.1
71Bānswāra Rajasthan, India
25.1
73Granby Quebec, Canada
24.7
74Jalandhar Punjab, India
24.3
75Montréal Quebec, Canada
24.1
76Āsansol West Bengal, India
24.0
77Drummondville Quebec, Canada
23.9
78Tirupati Andhra Pradesh, India
23.5
79Sherbrooke Quebec, Canada
23.4
80Bahawalpur low-cost sensors Punjab, Pakistan
23.3
80Bhiwandi Maharashtra, India
23.3
80Christchurch Canterbury, New Zealand
23.3
80Mohali Punjab, India
23.3
84Surat Gujarat, India
23.2
84Badlapur Maharashtra, India
23.2
84L'Ancienne-Lorette Quebec, Canada
23.2
87Rourkela Odisha, India
23.1
87Kanpur Uttar Pradesh, India
23.1
87Wan Chai Wan Chai, Hong Kong
23.1
90Chandigarh Chandigarh, India
22.9
91Silchar Assam, India
22.5
92Gandhinagar Gujarat, India
22.4
93Quetta low-cost sensors Balochistan, Pakistan
22.2
93Brossard Quebec, Canada
22.2
93Aya Nagar Delhi, India
22.2
96Vijayapura Karnataka, India
22.1
97Otwock Mazovia, Poland
21.9
97Nāgaur Rajasthan, India
21.9
97Accra low-cost sensors Greater Accra, Ghana
21.9
100Rivière-des-Prairies–Pointe-aux-Trembles Quebec, Canada
21.8
101Chānda Maharashtra, India
21.7
101Tuxtla Chiapas, Mexico
21.7
101Québec Quebec, Canada
21.7
104Logroño La Rioja, Spain
21.6
105Thāne Maharashtra, India
21.5
105Sīkar Rajasthan, India
21.5
107Dunedin low-cost sensors Otago, New Zealand
21.2
107Oconomowoc low-cost sensors Wisconsin, United States
21.2
109Medina Estates low-cost sensors Greater Accra, Ghana
21.1
110Iloilo low-cost sensors Western Visayas, Philippines
20.6
110Sarajevo Federation of B&H, Bosnia and Herzegovina
20.6
112Chūru Rajasthan, India
20.5
112Agra Uttar Pradesh, India
20.5
114Bāghpat Uttar Pradesh, India
20.4
115San Salvador Tizatlalli México, Mexico
20.1
116Nagpur Maharashtra, India
19.9
116Dūngarpur Rajasthan, India
19.9
118Albany New York, United States
19.8
119Kolkata West Bengal, India
19.7
120Wake Forest low-cost sensors North Carolina, United States
19.4
121Meerut Uttar Pradesh, India
19.3
122García Nuevo León, Mexico
19.2
122Marquette Michigan, United States
19.2
124West Fargo North Dakota, United States
19.0
125Dhule Maharashtra, India
18.9
126Rājsamand Rajasthan, India
18.8
126Panvel Maharashtra, India
18.8
128Sewell New Jersey, United States
18.7
129Gwalior Madhya Pradesh, India
18.5
129Ōtsuki Yamanashi, Japan
18.5
129Neelankarai Tamil Nadu, India
18.5
129Nandri Rajasthan, India
18.5
133Patiāla Punjab, India
18.4
133Chennai Tamil Nadu, India
18.4
133Boisar Maharashtra, India
18.4
133Pennsauken New Jersey, United States
18.4
133Pittsfield Massachusetts, United States
18.4
138Jhunjhunūn Rajasthan, India
18.3
139Shakaskraal low-cost sensors KwaZulu-Natal, South Africa
18.2
139Saint-Jean-sur-Richelieu Quebec, Canada
18.2
141Sirohi Rajasthan, India
18.1
142Jalor Rajasthan, India
18.0
142Bhilwara Rajasthan, India
18.0
142Ankleshwar Gujarat, India
18.0
145Minneapolis Minnesota, United States
17.9
146Shivamogga Karnataka, India
17.7
146Rishīkesh Uttarakhand, India
17.7
148Gudalur Tamil Nadu, India
17.6
148Arrecife Canary Islands, Spain
17.6
148Franklin Park Illinois, United States
17.6
151Shibukawa Gunma, Japan
17.5
151Ishinomaki Miyagi, Japan
17.5
151Ciudad Benito Juárez Nuevo León, Mexico
17.5
151Barbil Odisha, India
17.5
155Jodhpur Rajasthan, India
17.4
155Byasanagar Odisha, India
17.4
157Saint Paul Minnesota, United States
17.3
158Yerevan low-cost sensors Yerevan, Armenia
17.2
158Bikaner Rajasthan, India
17.2
158Baripāda Odisha, India
17.2
158Des Plaines Illinois, United States
17.2
158Blaine Minnesota, United States
17.2
163Sāngli Maharashtra, India
17.1
163West Memphis Arkansas, United States
17.1
165Milwaukee Wisconsin, United States
17.0
166Keonjhargarh Odisha, India
16.9
167Sawai Madhopur Rajasthan, India
16.8
168Tepeji del Río de Ocampo Hidalgo, Mexico
16.7
169Tomioka Gunma, Japan
16.6
169Tlaquepaque Jalisco, Mexico
16.6
169León de los Aldama Guanajuato, Mexico
16.6
169Eau Claire Wisconsin, United States
16.6
173Sofia Sofia-Capital, Bulgaria
16.5
173Ourense Galicia, Spain
16.5
175Yaita Tochigi, Japan
16.4
175Nepean low-cost sensors Ontario, Canada
16.4
177Nanded Maharashtra, India
16.3
177Hubballi Karnataka, India
16.3
179Virār Maharashtra, India
16.2
179Rouyn-Noranda Quebec, Canada
16.2
181Ropar Punjab, India
16.1
181Jalgaon Maharashtra, India
16.1
181Hafnarfjörður Capital Region, Iceland
16.1
181Apizaco Tlaxcala, Mexico
16.1
181Ciudad General Escobedo Nuevo León, Mexico
16.1
181Danbury Connecticut, United States
16.1
181Springfield Massachusetts, United States
16.1
181Green Bay Wisconsin, United States
16.1
189Bārmer Rajasthan, India
16.0
189Elmwood Park Illinois, United States
16.0
189Superior Wisconsin, United States
16.0
192Hartford Connecticut, United States
15.9
192Saint Cloud Minnesota, United States
15.9
194Shrīrāmpur West Bengal, India
15.8
194Portland Maine, United States
15.8
194Edmonton Alberta, Canada
15.8
197Jhālāwār Rajasthan, India
15.7
197Bridgeview Illinois, United States
15.7
199Kiryū Gunma, Japan
15.6
199Puebla Puebla, Mexico
15.6

Top 200 of 2,136 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