SmogRank / History / week of July 28, 2025

Most polluted cities, week of July 28, 2025

2,201 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 21, 2025week of August 4, 2025 →
#City µg/m³
1Cuddalore Tamil Nadu, India
93.2
2Sri Ganganagar Rajasthan, India
87.0
3Fort McMurray Alberta, Canada
67.6
4Superior Wisconsin, United States
65.7
5Undera Gujarat, India
64.5
6Chāpra Bihar, India
61.7
7Marquette Michigan, United States
58.7
8Duluth Minnesota, United States
55.4
9Faisalabad low-cost sensors Punjab, Pakistan
54.0
10Arāria Bihar, India
51.9
10Mankato Minnesota, United States
51.9
12Oconomowoc low-cost sensors Wisconsin, United States
51.7
13West Fargo North Dakota, United States
50.9
14Green Bay Wisconsin, United States
50.7
15Lahore low-cost sensors Punjab, Pakistan
50.2
16Vereeniging low-cost sensors Gauteng, South Africa
49.2
17Appleton Wisconsin, United States
48.7
18Burnsville Minnesota, United States
47.2
19Gujranwala low-cost sensors Punjab, Pakistan
46.5
20Eau Claire Wisconsin, United States
46.0
21Rouyn-Noranda Quebec, Canada
43.0
22Gaya Bihar, India
42.7
23Minneapolis Minnesota, United States
42.6
24Milwaukee Wisconsin, United States
42.3
25Dubai low-cost sensors Dubai, United Arab Emirates
42.1
26Blaine Minnesota, United States
41.7
27Waukesha Wisconsin, United States
41.2
28Rasapūdipalem Andhra Pradesh, India
40.1
28Sault Ste. Marie Ontario, Canada
40.1
30Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan
39.8
31Dushanbe Dushanbe, Tajikistan
39.5
31Saint Paul Minnesota, United States
39.5
33Saint Cloud Minnesota, United States
38.9
33Shakopee Minnesota, United States
38.9
35Rochester Minnesota, United States
38.7
36Vijayawada Andhra Pradesh, India
38.4
37Saint Michael Minnesota, United States
38.2
38Tonk Rajasthan, India
38.1
39Multan low-cost sensors Punjab, Pakistan
37.2
39Prince Albert Saskatchewan, Canada
37.2
41Apple Valley Minnesota, United States
36.5
42Anantapur Andhra Pradesh, India
36.3
42Vapi Gujarat, India
36.3
44South Milwaukee Wisconsin, United States
35.9
45Fort Dodge Iowa, United States
34.1
46Rawalpindi low-cost sensors Punjab, Pakistan
33.9
47Grand Rapids Michigan, United States
33.8
48Jaipur Rajasthan, India
33.7
49Regina Saskatchewan, Canada
33.6
50Franklin Park Illinois, United States
33.4
51Dausa Rajasthan, India
33.3
51Madison Wisconsin, United States
33.3
53Bismarck North Dakota, United States
33.0
54Nagaon Assam, India
32.9
55Kadapa Andhra Pradesh, India
32.8
56Quthbullapur Telangana, India
32.7
57Bānswāra Rajasthan, India
32.3
58Ahmedabad Gujarat, India
32.2
58Des Plaines Illinois, United States
32.2
60Sialkot low-cost sensors Punjab, Pakistan
32.1
60Nepean low-cost sensors Ontario, Canada
32.1
62Bhelai Chhattisgarh, India
32.0
63Rockford Illinois, United States
31.9
64Elgin Illinois, United States
31.8
65Bhiwadi Rajasthan, India
31.6
66Zion Illinois, United States
31.4
67Islamabad low-cost sensors Islamabad, Pakistan
31.1
68Jenison Michigan, United States
31.0
69Cary Illinois, United States
30.9
70Elmwood Park Illinois, United States
30.8
71Bridgeview Illinois, United States
30.6
71Moline Illinois, United States
30.6
73Nalbāri Assam, India
30.3
74Chicago Illinois, United States
30.0
75Tema low-cost sensors Greater Accra, Ghana
29.8
76Shakaskraal low-cost sensors KwaZulu-Natal, South Africa
29.7
76Saharsa Bihar, India
29.7
76Brookfield Illinois, United States
29.7
79Kalyān Maharashtra, India
29.6
80Chittorgarh Rajasthan, India
29.4
81Chānda Maharashtra, India
29.2
82Otwock Mazovia, Poland
29.0
82Nandri Rajasthan, India
29.0
84Baddi Himachal Pradesh, India
28.9
85Badlapur Maharashtra, India
28.8
86Ghāziābād Uttar Pradesh, India
28.7
86Dolton Illinois, United States
28.7
86Naperville Illinois, United States
28.7
89Ajmer Rajasthan, India
28.5
90Hammond Indiana, United States
28.3
91Nāgaur Rajasthan, India
28.2
91Clinton Iowa, United States
28.2
91Greater Sudbury Ontario, Canada
28.2
94Malegaon Maharashtra, India
28.1
94Aurora Illinois, United States
28.1
94Wyoming Michigan, United States
28.1
97Rājsamand Rajasthan, India
27.9
98Saugor Madhya Pradesh, India
27.7
98Rourkela Odisha, India
27.7
98Gwalior Madhya Pradesh, India
27.7
98Dhule Maharashtra, India
27.7
98Baripāda Odisha, India
27.7
103Michigan City Indiana, United States
27.6
103Bay City Michigan, United States
27.6
103Joda Odisha, India
27.6
106Columbia low-cost sensors Missouri, United States
27.5
107Muzaffarnagar Uttar Pradesh, India
27.4
107Kalamazoo Michigan, United States
27.4
109Iloilo low-cost sensors Western Visayas, Philippines
27.3
109Holland Michigan, United States
27.3
111Addis Ababa Addis Ababa, Ethiopia
27.2
111Dūngarpur Rajasthan, India
27.2
111Bhiwandi Maharashtra, India
27.2
114Joliet Illinois, United States
27.1
115Lansing Michigan, United States
27.0
116Aya Nagar Delhi, India
26.9
117Cedar Rapids Iowa, United States
26.8
117Davenport Iowa, United States
26.8
119Pratāpgarh Rajasthan, India
26.7
119Narela Delhi, India
26.7
119Morādābād Uttar Pradesh, India
26.7
119Iowa City Iowa, United States
26.7
123Saskatoon Saskatchewan, Canada
26.6
124Hājīpur Bihar, India
26.5
125Peoria Illinois, United States
26.4
126Brookings South Dakota, United States
26.3
127Kota Rajasthan, India
26.2
127Calumet City Illinois, United States
26.2
127Wadgaon Kolhati Maharashtra, India
26.2
130Najafgarh Delhi, India
26.1
130East Chicago Indiana, United States
26.1
132Istanbul low-cost sensors Istanbul, Turkey
25.9
132Oak Lawn Illinois, United States
25.9
132Newmarket Ontario, Canada
25.9
135Karachi low-cost sensors Sindh, Pakistan
25.8
135Aberdeen South Dakota, United States
25.8
135North Bay Ontario, Canada
25.8
138Byasanagar Odisha, India
25.7
139Milton Ontario, Canada
25.6
140Kolkata West Bengal, India
25.5
141Gandhinagar Gujarat, India
25.4
141Northbrook Illinois, United States
25.4
143Noida Uttar Pradesh, India
25.1
144Watertown South Dakota, United States
25.0
144Barrie Ontario, Canada
25.0
146Delhi Delhi, India
24.9
147Patna Bihar, India
24.8
147Durgapur West Bengal, India
24.8
149Jalor Rajasthan, India
24.6
150Chūru Rajasthan, India
24.5
151Toronto Ontario, Canada
24.4
152Portage Indiana, United States
24.2
153Oakville Ontario, Canada
24.1
154Elkhart Indiana, United States
24.0
155Greater Noida Uttar Pradesh, India
23.7
156Des Moines Iowa, United States
23.6
157Dādri Uttar Pradesh, India
23.5
157Brampton Ontario, Canada
23.5
159Panvel Maharashtra, India
23.4
159Sioux Falls South Dakota, United States
23.4
161Sawai Madhopur Rajasthan, India
23.3
162Ankeny Iowa, United States
23.2
162Ottawa Ontario, Canada
23.2
164Sīkar Rajasthan, India
23.1
165Olathe Kansas, United States
23.0
166Sirohi Rajasthan, India
22.9
166Gary Indiana, United States
22.9
166Sarnia Ontario, Canada
22.9
166Singrauli Madhya Pradesh, India
22.9
170Bahawalpur low-cost sensors Punjab, Pakistan
22.8
170Thāne Maharashtra, India
22.8
170Accra low-cost sensors Greater Accra, Ghana
22.8
170London Ontario, Canada
22.8
170Windsor Ontario, Canada
22.8
175Mahād Maharashtra, India
22.6
175Mississauga Ontario, Canada
22.6
177Yerevan low-cost sensors Yerevan, Armenia
22.5
178Nagpur Maharashtra, India
22.4
178Kitchener Ontario, Canada
22.4
180Topeka Kansas, United States
22.3
180Alliston Ontario, Canada
22.3
180Saguenay Quebec, Canada
22.3
183Peterborough Ontario, Canada
22.2
184Vijayapura Karnataka, India
22.1
184Bloomington Illinois, United States
22.1
184South Bend Indiana, United States
22.1
184Port Huron Michigan, United States
22.1
188Lucknow Uttar Pradesh, India
22.0
188San Francisco Tlalcilalcalpan México, Mexico
22.0
190Silchar Assam, India
21.9
190Wan Chai Wan Chai, Hong Kong
21.9
190Kansas City Kansas, United States
21.9
190Guelph Ontario, Canada
21.9
190L'Ancienne-Lorette Quebec, Canada
21.9
195Brantford Ontario, Canada
21.7
196Quetta low-cost sensors Balochistan, Pakistan
21.6
196Jalandhar Punjab, India
21.6
198Arrah Bihar, India
21.4
199Lexington low-cost sensors Massachusetts, United States
21.3
200Medina Estates low-cost sensors Greater Accra, Ghana
21.2

Top 200 of 2,201 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