SmogRank / History / July 18, 2026

Most polluted cities on July 18, 2026

2,363 cities ranked by their average PM2.5 over the day. Each city's own local calendar day.

← July 17, 2026July 19, 2026 →
#City µg/m³× WHO
1Rājgīr Bihar, India
226.015.1×
2Marquette Michigan, United States
174.011.6×
3Sonīpat Haryana, India
110.07.3×
4Anantapur Andhra Pradesh, India
103.06.9×
5Gurugram Haryana, India
94.86.3×
6Carlisle Pennsylvania, United States
92.26.1×
7Lebanon Pennsylvania, United States
85.35.7×
8Harrisburg Pennsylvania, United States
83.95.6×
9Jīnd Haryana, India
83.65.6×
10Green Bay Wisconsin, United States
83.35.6×
11Abington low-cost sensors Pennsylvania, United States
80.35.4×
11State College Pennsylvania, United States
80.35.4×
13Karnāl Haryana, India
79.65.3×
14Kinshasa low-cost sensors Kinshasa, Democratic Republic of the Congo
78.25.2×
15York Pennsylvania, United States
75.45.0×
16Kampala low-cost sensors Central Region, Uganda
75.35.0×
17Charlottesville Virginia, United States
74.85.0×
18Bethlehem Pennsylvania, United States
74.65.0×
19Vereeniging low-cost sensors Gauteng, South Africa
73.94.9×
20Philadelphia Pennsylvania, United States
73.34.9×
21Lancaster Pennsylvania, United States
73.24.9×
22Allentown Pennsylvania, United States
72.44.8×
23Sault Ste. Marie Ontario, Canada
72.24.8×
24Chambersburg Pennsylvania, United States
71.74.8×
25Steubenville Ohio, United States
70.84.7×
26Gummidipundi Tamil Nadu, India
70.54.7×
27Camden low-cost sensors New Jersey, United States
70.44.7×
28Appleton Wisconsin, United States
70.34.7×
29Bhiwāni Haryana, India
69.24.6×
30Muzaffarnagar Uttar Pradesh, India
69.14.6×
31Reading Pennsylvania, United States
67.94.5×
32Thānesar Haryana, India
67.84.5×
33Milton Ontario, Canada
66.34.4×
34Pennsauken New Jersey, United States
66.24.4×
35Johnstown Pennsylvania, United States
66.14.4×
36Pittsburgh Pennsylvania, United States
66.04.4×
37Kaithal Haryana, India
64.04.3×
37Hamilton Ontario, Canada
64.04.3×
39Norristown Pennsylvania, United States
63.94.3×
40Wilkinsburg Pennsylvania, United States
63.84.3×
41Dera Māndi Delhi, India
63.54.2×
42Ashburn Virginia, United States
62.84.2×
42Waterdown Ontario, Canada
62.84.2×
44Lilongwe low-cost sensors Central Region, Malawi
62.44.2×
44Weirton West Virginia, United States
62.44.2×
46West Mifflin Pennsylvania, United States
62.34.2×
47Altamont Oregon, United States
62.24.1×
48Dhāruhera Haryana, India
61.74.1×
49Bhāgalpur Bihar, India
61.64.1×
50Guelph Ontario, Canada
61.54.1×
51New York City New York, United States
61.14.1×
52Bensalem Pennsylvania, United States
60.84.1×
53Richards Bay low-cost sensors KwaZulu-Natal, South Africa
60.74.0×
54New Brunswick New Jersey, United States
60.54.0×
54Oakville Ontario, Canada
60.54.0×
56Altoona Pennsylvania, United States
59.44.0×
57Holbrook New York, United States
59.34.0×
58Ambāla Haryana, India
59.03.9×
59Buffalo New York, United States
58.93.9×
60Brampton Ontario, Canada
58.83.9×
61Beitbridge low-cost sensors Matabeleland South Province, Zimbabwe
58.73.9×
61Bridgeport Connecticut, United States
58.73.9×
63Tongaat low-cost sensors KwaZulu-Natal, South Africa
58.23.9×
64Upper Saint Clair Pennsylvania, United States
58.03.9×
65Hagerstown Maryland, United States
57.83.9×
66Wilmington Delaware, United States
57.43.8×
67Joda Odisha, India
57.23.8×
68Rangiora Canterbury, New Zealand
57.03.8×
69Brantford Ontario, Canada
56.83.8×
70Kitchener Ontario, Canada
56.73.8×
71Toronto Ontario, Canada
56.33.8×
72Newark Delaware, United States
56.23.7×
73Alliston Ontario, Canada
56.03.7×
73Barrie Ontario, Canada
56.03.7×
75Shakaskraal low-cost sensors KwaZulu-Natal, South Africa
55.93.7×
76Lexington low-cost sensors Massachusetts, United States
55.13.7×
77Brookfield low-cost sensors Wisconsin, United States
54.53.6×
78Trenton New Jersey, United States
54.23.6×
79McKeesport Pennsylvania, United States
53.93.6×
80Ghāziābād Uttar Pradesh, India
53.63.6×
81New Haven Connecticut, United States
53.43.6×
82Dādri Uttar Pradesh, India
53.13.5×
83Springfield Virginia, United States
52.83.5×
84Randolph New Jersey, United States
52.73.5×
85Baltimore Maryland, United States
52.63.5×
85Erie Pennsylvania, United States
52.63.5×
85Newmarket Ontario, Canada
52.63.5×
85St. Catharines Ontario, Canada
52.63.5×
89Hunt Valley Maryland, United States
52.53.5×
90Elizabeth New Jersey, United States
52.43.5×
91Bear Delaware, United States
52.33.5×
92Dover Delaware, United States
52.23.5×
92Linden New Jersey, United States
52.23.5×
94Bhiwadi Rajasthan, India
51.93.5×
95Gujranwala low-cost sensors Punjab, Pakistan
51.63.4×
96Chester Pennsylvania, United States
51.33.4×
96Fort Lee New Jersey, United States
51.33.4×
98South Laurel Maryland, United States
51.03.4×
99Hartford Connecticut, United States
50.93.4×
100Weirton Heights West Virginia, United States
50.83.4×
101Sarnia Ontario, Canada
50.43.4×
102Bayonne New Jersey, United States
50.23.3×
103Pleasantville New Jersey, United States
50.13.3×
103Warren Ohio, United States
50.13.3×
105Mississauga Ontario, Canada
49.83.3×
106Port Huron Michigan, United States
49.73.3×
107Mérida Yucatán, Mexico
49.63.3×
108Karonga low-cost sensors Northern Region, Malawi
49.53.3×
109Delhi Delhi, India
49.43.3×
110Rose Hill Virginia, United States
49.33.3×
111Antananarivo Analamanga, Madagascar
49.23.3×
112Lahore low-cost sensors Punjab, Pakistan
49.03.3×
113Toms River New Jersey, United States
48.83.3×
114Meerut Uttar Pradesh, India
48.63.2×
115Greater Sudbury Ontario, Canada
48.23.2×
116Sewell New Jersey, United States
48.03.2×
117Springfield Massachusetts, United States
47.63.2×
117North Bay Ontario, Canada
47.63.2×
119Oconomowoc low-cost sensors Wisconsin, United States
47.53.2×
120Hāpur Uttar Pradesh, India
47.43.2×
121Elkton Maryland, United States
47.33.2×
121Baddi Himachal Pradesh, India
47.33.2×
123Chāpra Bihar, India
47.23.1×
124Jersey City New Jersey, United States
47.13.1×
125Hermitage Pennsylvania, United States
46.93.1×
126Danbury Connecticut, United States
46.83.1×
127Newark New Jersey, United States
46.53.1×
128Edgewood Maryland, United States
46.43.1×
129Faridabad Haryana, India
46.03.1×
129Scaggsville Maryland, United States
46.03.1×
131Jammu low-cost sensors Jammu and Kashmir, India
45.93.1×
131Washington District of Columbia, United States
45.93.1×
133South Milwaukee Wisconsin, United States
45.43.0×
134Atlantic City New Jersey, United States
45.33.0×
134Shaker Heights Ohio, United States
45.33.0×
136Narela Delhi, India
45.03.0×
136Royal Oak low-cost sensors Michigan, United States
45.03.0×
138Ewing New Jersey, United States
44.93.0×
139Noida Uttar Pradesh, India
44.83.0×
140Waukesha Wisconsin, United States
44.73.0×
141Rockville Maryland, United States
44.53.0×
142St. Thomas Ontario, Canada
44.43.0×
143Sirsa Haryana, India
44.33.0×
144Cuautla Morelos, Mexico
43.52.9×
145New London Connecticut, United States
43.42.9×
145Brockton Massachusetts, United States
43.42.9×
145Akron Ohio, United States
43.42.9×
148Greater Noida Uttar Pradesh, India
43.32.9×
149Waterbury Connecticut, United States
43.22.9×
150London Ontario, Canada
43.02.9×
151Sialkot low-cost sensors Punjab, Pakistan
42.62.8×
151Lowell Massachusetts, United States
42.62.8×
153Blantyre low-cost sensors Southern Region, Malawi
42.52.8×
154Oxon Hill-Glassmanor Maryland, United States
42.42.8×
155Byasanagar Odisha, India
42.22.8×
156Superior Wisconsin, United States
42.12.8×
157Ashaiman low-cost sensors Greater Accra, Ghana
42.02.8×
157Scranton Pennsylvania, United States
42.02.8×
159Palembang low-cost sensors South Sumatra, Indonesia
41.92.8×
160Greenfield Massachusetts, United States
41.82.8×
160Milford Massachusetts, United States
41.82.8×
162Chittoor Andhra Pradesh, India
41.52.8×
163Jalandhar Punjab, India
41.42.8×
164Worcester Massachusetts, United States
41.32.8×
165Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan
41.02.7×
166North Chicopee Massachusetts, United States
40.72.7×
167Framingham Massachusetts, United States
40.42.7×
168Haverhill Massachusetts, United States
39.92.7×
169Youngstown Ohio, United States
39.62.6×
170Cleveland Heights Ohio, United States
39.52.6×
171Rasapūdipalem Andhra Pradesh, India
39.42.6×
171White Plains New York, United States
39.42.6×
171Medford Oregon, United States
39.42.6×
174Boston Massachusetts, United States
39.32.6×
175Grand Rapids Michigan, United States
39.22.6×
175Rochester New York, United States
39.22.6×
177Agra Uttar Pradesh, India
39.12.6×
177Northbrook Illinois, United States
39.12.6×
179Jenison Michigan, United States
38.92.6×
180Paterson New Jersey, United States
38.82.6×
181Islamabad low-cost sensors Islamabad, Pakistan
38.72.6×
182Zomba low-cost sensors Southern Region, Malawi
38.52.6×
182Nagaon Assam, India
38.52.6×
184Lynn Massachusetts, United States
38.32.6×
185Chandigarh Chandigarh, India
38.22.5×
186Bāghpat Uttar Pradesh, India
37.82.5×
186Cleveland Ohio, United States
37.82.5×
188Ashland Oregon, United States
37.72.5×
189Aya Nagar Delhi, India
37.62.5×
190Faisalabad low-cost sensors Punjab, Pakistan
37.42.5×
191Elgin Illinois, United States
37.12.5×
192Rawalpindi low-cost sensors Punjab, Pakistan
37.02.5×
192Murree low-cost sensors Punjab, Pakistan
37.02.5×
192Tonk Rajasthan, India
37.02.5×
192Rourkela Odisha, India
37.02.5×
192Duluth Minnesota, United States
37.02.5×
197Harrisonburg Virginia, United States
36.92.5×
198Zion Illinois, United States
36.82.5×
198New City New York, United States
36.82.5×
200Gwalior Madhya Pradesh, India
36.72.4×

Top 200 of 2,363 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