SmogRank / History / June 2023

Most polluted cities, June 2023

1,265 cities ranked by their average PM2.5 over the 30 days. A city needs measurements on 70% of the days to be ranked.

← May 2023July 2023 →
#City µg/m³
1Dushanbe Dushanbe, Tajikistan
72.9
2Rouyn-Noranda Quebec, Canada
64.9
3Tlaquepaque Jalisco, Mexico
61.6
4Lahore low-cost sensors Punjab, Pakistan
57.0
5Dhaka low-cost sensors Dhaka Division, Bangladesh
54.8
6Jakarta Jakarta, Indonesia
50.8
7Kigali Kigali, Rwanda
48.6
8Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan
47.4
9Tha Bo Nong Khai, Thailand
47.3
10North Bay Ontario, Canada
43.6
11Manama Manama, Bahrain
41.3
12Greater Sudbury Ontario, Canada
39.0
13Delhi Delhi, India
38.2
14Addis Ababa Addis Ababa, Ethiopia
36.8
15Ottawa Ontario, Canada
35.2
16Saguenay Quebec, Canada
35.1
17Waukesha Wisconsin, United States
34.8
18Green Bay Wisconsin, United States
34.7
18Madison Wisconsin, United States
34.7
20Grande Prairie Alberta, Canada
34.6
21Kalamazoo Michigan, United States
34.3
22Lincoln Park Michigan, United States
34.1
23Islamabad low-cost sensors Islamabad, Pakistan
33.9
23Appleton Wisconsin, United States
33.9
23South Milwaukee Wisconsin, United States
33.9
26Milwaukee Wisconsin, United States
33.7
27Harrisburg Pennsylvania, United States
33.6
28Şabāḩ as Sālim Mubārak al Kabīr, Kuwait
33.3
28Jenison Michigan, United States
33.3
30Rockford Illinois, United States
32.9
30Dearborn Michigan, United States
32.9
32Canton Ohio, United States
32.8
33Kolkata West Bengal, India
32.0
34Lancaster Pennsylvania, United States
31.9
35Naperville Illinois, United States
31.8
35Belleville Ontario, Canada
31.8
37Joliet Illinois, United States
31.6
37Taylor Michigan, United States
31.6
39Indianapolis Indiana, United States
31.5
39Detroit Michigan, United States
31.5
41Chester Pennsylvania, United States
31.2
41Scranton Pennsylvania, United States
31.2
43Port Huron Michigan, United States
31.0
44Lebanon Pennsylvania, United States
30.8
45Clinton Iowa, United States
30.7
46Ypsilanti Michigan, United States
30.5
46Bethlehem Pennsylvania, United States
30.5
48Youngstown Ohio, United States
30.4
49Bloomington Illinois, United States
30.3
49Reading Pennsylvania, United States
30.3
51Lansing Michigan, United States
30.2
52Hanoi Hanoi, Vietnam
30.1
52Grand Rapids Michigan, United States
30.1
54Cleveland Ohio, United States
30.0
55Hyderabad Telangana, India
29.9
56York Pennsylvania, United States
29.8
56Allentown Pennsylvania, United States
29.8
56Norristown Pennsylvania, United States
29.8
59Antananarivo Analamanga, Madagascar
29.7
60Moline Illinois, United States
29.6
60Medina Ohio, United States
29.6
62Wilmington Delaware, United States
29.5
63Pennsauken New Jersey, United States
29.4
64Holland Michigan, United States
29.2
65Cary Illinois, United States
29.1
65Des Plaines Illinois, United States
29.1
65Kingston Ontario, Canada
29.1
68Akron Ohio, United States
29.0
69Iowa City Iowa, United States
28.9
69Carlisle Pennsylvania, United States
28.9
71Wilkinsburg Pennsylvania, United States
28.8
72Calumet City Illinois, United States
28.7
72Dublin Ohio, United States
28.7
74Sarnia Ontario, Canada
28.6
75Rose Hill Virginia, United States
28.5
75South Bend Indiana, United States
28.5
75Warren Ohio, United States
28.5
78Decatur Illinois, United States
28.4
79Shaker Heights Ohio, United States
28.2
80Elizabeth New Jersey, United States
27.9
80State College Pennsylvania, United States
27.9
82Altoona Pennsylvania, United States
27.8
82Chatham Ontario, Canada
27.8
84Steubenville Ohio, United States
27.6
85Newark Delaware, United States
27.5
85Middletown Ohio, United States
27.5
85Davenport Iowa, United States
27.5
85Hammond Indiana, United States
27.5
89Elkton Maryland, United States
27.4
89Northbrook Illinois, United States
27.4
91Anderson Indiana, United States
27.3
91Redford Michigan, United States
27.3
91Sault Ste. Marie Ontario, Canada
27.3
94Chennai Tamil Nadu, India
27.2
95Buffalo New York, United States
27.1
95Pittsburgh Pennsylvania, United States
27.1
95West Mifflin Pennsylvania, United States
27.1
98Bear Delaware, United States
27.0
99Pristina Pristina, Kosovo
26.7
99Celaya Guanajuato, Mexico
26.7
99Dayton Ohio, United States
26.7
99East Chicago Indiana, United States
26.7
99Fort McMurray Alberta, Canada
26.7
104Salamanca Guanajuato, Mexico
26.6
104Peterborough Ontario, Canada
26.6
106Nairobi Nairobi County, Kenya
26.3
106St. Thomas Ontario, Canada
26.3
108Norwood Ohio, United States
26.2
108Springfield Ohio, United States
26.2
110Springfield Virginia, United States
26.0
111Syracuse New York, United States
25.8
111London Ontario, Canada
25.8
111St. Catharines Ontario, Canada
25.8
114Jeffersonville Indiana, United States
25.7
115Zion Illinois, United States
25.5
115Flint Michigan, United States
25.5
115Eau Claire Wisconsin, United States
25.5
118Edmonton Alberta, Canada
25.4
119Salor Tashkent Region, Uzbekistan
25.3
119Bay City Michigan, United States
25.3
121Cincinnati Ohio, United States
25.2
121La Crosse Wisconsin, United States
25.2
123Trenton New Jersey, United States
24.8
123Bridgeport Connecticut, United States
24.8
123Kitchener Ontario, Canada
24.8
126New York City New York, United States
24.7
127Bloomington Indiana, United States
24.6
128Franklin Park Illinois, United States
24.5
128Barrie Ontario, Canada
24.5
130Muscatine Iowa, United States
24.3
130Burnsville Minnesota, United States
24.3
132Kathmandu low-cost sensors Bagmati Province, Nepal
24.2
132Shenyang Liaoning, China
24.2
132Cornwall Ontario, Canada
24.2
135Erie Pennsylvania, United States
24.1
136Springfield Illinois, United States
24.0
136Fort Thomas Kentucky, United States
24.0
136McKeesport Pennsylvania, United States
24.0
139Karachi low-cost sensors Sindh, Pakistan
23.9
139Brantford Ontario, Canada
23.9
141Dover Delaware, United States
23.8
142Beijing Beijing, China
23.5
142Pleasantville New Jersey, United States
23.5
142Minneapolis Minnesota, United States
23.5
145Terre Haute Indiana, United States
23.4
145Waterloo Iowa, United States
23.4
145Kokomo Indiana, United States
23.4
148Baltimore Maryland, United States
23.3
148Rochester Minnesota, United States
23.3
148Rochester New York, United States
23.3
151Jeffersontown Kentucky, United States
23.2
151Elkhart Indiana, United States
23.2
151Saint Paul Minnesota, United States
23.2
154Toledo Ohio, United States
23.1
154Prince Albert Saskatchewan, Canada
23.1
156Ashgabat Ashgabat, Turkmenistan
23.0
156Guangzhou Guangdong, China
23.0
156Louisville Kentucky, United States
23.0
156Lafayette Indiana, United States
23.0
160Chicago Illinois, United States
22.9
161Hermitage Pennsylvania, United States
22.8
162Lima Ohio, United States
22.7
163Washington District of Columbia, United States
22.6
164Portage Indiana, United States
22.5
164Shakopee Minnesota, United States
22.5
164Cheektowaga New York, United States
22.5
164Johnstown Pennsylvania, United States
22.5
168Toms River New Jersey, United States
22.3
169Saint Matthews Kentucky, United States
22.2
169Mason Ohio, United States
22.2
171Gary Indiana, United States
22.1
171Apple Valley Minnesota, United States
22.1
171Hamilton Ontario, Canada
22.1
174Edgewood Maryland, United States
21.9
174Charlottesville Virginia, United States
21.9
176Lebanon Ohio, United States
21.6
176Linden New Jersey, United States
21.6
176Saskatoon Saskatchewan, Canada
21.6
179Saint Michael Minnesota, United States
21.4
180Fishers Indiana, United States
21.3
180Scaggsville Maryland, United States
21.3
180Gahanna Ohio, United States
21.3
183East Saint Louis Illinois, United States
21.2
183Evansville Indiana, United States
21.2
183Ashland Kentucky, United States
21.2
183Richmond Virginia, United States
21.2
183Bensalem Pennsylvania, United States
21.2
188Columbus Indiana, United States
21.0
188Valley Station Kentucky, United States
21.0
190Saint Cloud Minnesota, United States
20.8
191Kaiserslautern Rheinland-Pfalz, Germany
20.7
192Sarajevo Federation of B&H, Bosnia and Herzegovina
20.6
193São Paulo São Paulo, Brazil
20.5
193León de los Aldama Guanajuato, Mexico
20.5
193St. Louis Missouri, United States
20.5
196Owensboro Kentucky, United States
20.4
196Roanoke Virginia, United States
20.4
196Ankeny Iowa, United States
20.4
199Elizabethtown Kentucky, United States
20.2
199Duluth Minnesota, United States
20.2

Top 200 of 1,265 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