SmogRank / History / September 28, 2025

Most polluted cities on September 28, 2025

2,306 cities ranked by their average PM2.5 over the day. Each city's own local calendar day.

← September 27, 2025September 29, 2025 →
#City µg/m³× WHO
1Calexico California, United States
253.516.9×
2Grants Pass Oregon, United States
154.010.3×
3Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan
147.09.8×
4Gujranwala low-cost sensors Punjab, Pakistan
118.07.9×
4Cuddalore Tamil Nadu, India
118.07.9×
6Wenatchee Washington, United States
95.26.3×
7Lahore low-cost sensors Punjab, Pakistan
94.66.3×
8Multan low-cost sensors Punjab, Pakistan
91.36.1×
9Faisalabad low-cost sensors Punjab, Pakistan
90.76.0×
10Blantyre low-cost sensors Southern Region, Malawi
89.66.0×
11Sialkot low-cost sensors Punjab, Pakistan
84.95.7×
12Karauli Rajasthan, India
77.35.2×
13Narela Delhi, India
66.54.4×
14Rājgīr Bihar, India
60.94.1×
15Gummidipundi Tamil Nadu, India
59.74.0×
16Muzaffarnagar Uttar Pradesh, India
58.93.9×
17Bhāgalpur Bihar, India
57.73.8×
18Bahawalpur low-cost sensors Punjab, Pakistan
57.03.8×
19Medford Oregon, United States
55.43.7×
20Ashland Oregon, United States
55.13.7×
21Hanumāngarh Rajasthan, India
51.63.4×
22Bhiwadi Rajasthan, India
51.13.4×
23Cranbrook British Columbia, Canada
51.03.4×
24Chāpra Bihar, India
49.93.3×
25Dushanbe Dushanbe, Tajikistan
49.63.3×
26Wadgaon Kolhati Maharashtra, India
49.33.3×
27Baddi Himachal Pradesh, India
48.23.2×
28Madikeri Karnataka, India
47.73.2×
29Bāghpat Uttar Pradesh, India
46.33.1×
30Ghāziābād Uttar Pradesh, India
45.03.0×
31Rawalpindi low-cost sensors Punjab, Pakistan
44.12.9×
32Tirupati Andhra Pradesh, India
41.12.7×
33Kharghar Maharashtra, India
40.32.7×
34Tonk Rajasthan, India
40.22.7×
35Dubai low-cost sensors Dubai, United Arab Emirates
39.92.7×
36Meerut Uttar Pradesh, India
39.22.6×
37Vereeniging low-cost sensors Gauteng, South Africa
39.02.6×
38Quetta low-cost sensors Balochistan, Pakistan
38.22.5×
39Buxar Bihar, India
38.02.5×
40Coeur d'Alene Idaho, United States
37.02.5×
41Kadapa Andhra Pradesh, India
36.72.4×
42Jaipur Rajasthan, India
36.62.4×
43Boisar Maharashtra, India
36.32.4×
44Bikaner Rajasthan, India
35.42.4×
45Jalandhar Punjab, India
35.12.3×
46Chandigarh Chandigarh, India
35.02.3×
46Iloilo low-cost sensors Western Visayas, Philippines
35.02.3×
48Aya Nagar Delhi, India
34.92.3×
49Royal Oak low-cost sensors Michigan, United States
34.82.3×
50Karachi low-cost sensors Sindh, Pakistan
34.62.3×
51Delhi Delhi, India
34.52.3×
52Dādri Uttar Pradesh, India
33.72.2×
53Bhilwara Rajasthan, India
33.62.2×
54Anantapur Andhra Pradesh, India
33.52.2×
55Ankleshwar Gujarat, India
33.42.2×
56Nagaon Assam, India
33.22.2×
56Nandri Rajasthan, India
33.22.2×
58Lucknow Uttar Pradesh, India
33.12.2×
59Arāria Bihar, India
32.82.2×
60Spokane Valley Washington, United States
32.72.2×
61Tuxtla Chiapas, Mexico
32.62.2×
62Najafgarh Delhi, India
32.52.2×
63Spokane Washington, United States
32.32.2×
64Ajmer Rajasthan, India
31.82.1×
64Haarlem low-cost sensors North Holland, The Netherlands
31.82.1×
66Ropar Punjab, India
31.72.1×
67Morādābād Uttar Pradesh, India
31.42.1×
68Srinagar Jammu and Kashmir, India
31.32.1×
69Quthbullapur Telangana, India
31.12.1×
70Noida Uttar Pradesh, India
30.82.1×
71Bengaluru Karnataka, India
29.92.0×
71Yuanlin Taiwan, Taiwan
29.92.0×
73Greater Noida Uttar Pradesh, India
29.72.0×
74Jhunjhunūn Rajasthan, India
29.01.9×
75Changhua Taiwan, Taiwan
28.91.9×
76Jaisalmer Rajasthan, India
28.21.9×
76Sri Ganganagar Rajasthan, India
28.21.9×
78Erlin Taiwan, Taiwan
28.11.9×
79Patiāla Punjab, India
27.81.9×
80Jalgaon Maharashtra, India
27.51.8×
80Gijón Asturias, Spain
27.51.8×
82Sīkar Rajasthan, India
27.41.8×
83Nāgaur Rajasthan, India
26.91.8×
84Chūru Rajasthan, India
26.71.8×
85Gaya Bihar, India
26.61.8×
85Fort McMurray Alberta, Canada
26.61.8×
87Rānīganj West Bengal, India
26.41.8×
88Buzi Taiwan, Taiwan
26.31.8×
88Changchun low-cost sensors Jilin, China
26.31.8×
90Addis Ababa Addis Ababa, Ethiopia
26.21.7×
91Queenstown Estate low-cost sensors Singapore
26.11.7×
91Serilingampalle Telangana, India
26.11.7×
93Gwalior Madhya Pradesh, India
26.01.7×
94Jodhpur Rajasthan, India
25.91.7×
94Hājīpur Bihar, India
25.91.7×
94Torrejón de Ardoz Madrid, Spain
25.91.7×
97Erlun Taiwan, Taiwan
25.81.7×
97Ukiah California, United States
25.81.7×
99Ahmedabad Gujarat, India
25.61.7×
100Chittorgarh Rajasthan, India
25.51.7×
101Pratāpgarh Rajasthan, India
25.21.7×
102Taichung Taiwan, Taiwan
24.91.7×
102Yellowknife low-cost sensors Northwest Territories, Canada
24.91.7×
104Jalor Rajasthan, India
24.61.6×
105Nalbāri Assam, India
24.41.6×
106Buzen Fukuoka, Japan
24.31.6×
107Quezon City low-cost sensors National Capital Region, Philippines
24.21.6×
108Siwān Bihar, India
24.01.6×
108Bārmer Rajasthan, India
24.01.6×
110Shakaskraal low-cost sensors KwaZulu-Natal, South Africa
23.91.6×
110Silchar Assam, India
23.91.6×
110Rourkela Odisha, India
23.91.6×
110Dausa Rajasthan, India
23.91.6×
114Ostrava Moravian-Silesian Region, Czechia
23.71.6×
115Kathmandu low-cost sensors Bagmati Province, Nepal
23.41.6×
116Dūngarpur Rajasthan, India
23.31.6×
116Agra Uttar Pradesh, India
23.31.6×
116Nantou Taiwan, Taiwan
23.31.6×
119Sirohi Rajasthan, India
23.11.5×
119Patna Bihar, India
23.11.5×
121Rājsamand Rajasthan, India
22.91.5×
121Agartala Tripura, India
22.91.5×
123Cuernavaca Morelos, Mexico
22.81.5×
124Roseburg Oregon, United States
22.21.5×
125Hyderabad Telangana, India
21.81.5×
125Bārān Rajasthan, India
21.81.5×
127Āsansol West Bengal, India
21.71.4×
128Naharlagun Arunachal Pradesh, India
21.41.4×
129Sarajevo Federation of B&H, Bosnia and Herzegovina
21.11.4×
130Aurangabad Maharashtra, India
20.91.4×
131Pori Satakunta, Finland
20.61.4×
132Indore Madhya Pradesh, India
20.41.4×
132Frýdek-Místek Moravian-Silesian Region, Czechia
20.41.4×
132Fort-de-France Martinique, Martinique
20.41.4×
132Ellensburg Washington, United States
20.41.4×
136Chennai Tamil Nadu, India
20.31.4×
136Łask Łódź Voivodeship, Poland
20.31.4×
138Indianapolis Indiana, United States
20.11.3×
139Kalisz Greater Poland, Poland
20.01.3×
140Le Lamentin Martinique, Martinique
19.91.3×
140Windsor low-cost sensors California, United States
19.91.3×
142Xizhou Taiwan, Taiwan
19.81.3×
143Guwahati Assam, India
19.71.3×
143Dhule Maharashtra, India
19.71.3×
143Douliu Taiwan, Taiwan
19.71.3×
146Columbus Ohio, United States
19.41.3×
147Winterthur low-cost sensors Zurich, Switzerland
19.31.3×
148Gandhinagar Gujarat, India
19.01.3×
148Zhushan Taiwan, Taiwan
19.01.3×
150Kolkata West Bengal, India
18.81.3×
150San Salvador Tizatlalli México, Mexico
18.81.3×
152Valašské Meziříčí Zlín, Czechia
18.61.2×
153Kota Rajasthan, India
18.51.2×
153Sunnyside Washington, United States
18.51.2×
155Tetovo Tetovo, North Macedonia
18.31.2×
156Bhopal Madhya Pradesh, India
18.21.2×
156Havířov Moravian-Silesian Region, Czechia
18.21.2×
156Tri-Cities Washington, United States
18.21.2×
159Miaoli Taiwan, Taiwan
17.91.2×
159Lagos low-cost sensors Lagos, Nigeria
17.91.2×
159Saltillo Coahuila, Mexico
17.91.2×
162Terre Haute Indiana, United States
17.81.2×
163Český Těšín Moravian-Silesian Region, Czechia
17.71.2×
163Mankato Minnesota, United States
17.71.2×
165Żyrardów Mazovia, Poland
17.61.2×
165Middletown Ohio, United States
17.61.2×
165Santa Rosa California, United States
17.61.2×
168Rairangpur Odisha, India
17.51.2×
169Wan Chai Wan Chai, Hong Kong
17.41.2×
170Coimbatore Tamil Nadu, India
17.31.2×
171Jastrzębie Zdrój Silesia, Poland
17.21.1×
172Bonn North Rhine-Westphalia, Germany
17.11.1×
172Westerville Ohio, United States
17.11.1×
174Lewiston Idaho, United States
17.01.1×
175Kalyān Maharashtra, India
16.91.1×
175Schiedam South Holland, The Netherlands
16.91.1×
175Třinec Moravian-Silesian Region, Czechia
16.91.1×
178Hranice Olomouc Region, Czechia
16.81.1×
178Kalamazoo Michigan, United States
16.81.1×
180Yerevan low-cost sensors Yerevan, Armenia
16.71.1×
180Hubballi Karnataka, India
16.71.1×
180Shulin Taipei, Taiwan
16.71.1×
180Mons Wallonia, Belgium
16.71.1×
184Nagpur Maharashtra, India
16.51.1×
184Badhoevedorp North Holland, The Netherlands
16.51.1×
184Litvínov Ústí nad Labem Region, Czechia
16.51.1×
184Yakima Washington, United States
16.51.1×
188Istanbul low-cost sensors Istanbul, Turkey
16.41.1×
188Beigang Taiwan, Taiwan
16.41.1×
188Zhudong Taiwan, Taiwan
16.41.1×
188Weißenfels Saxony-Anhalt, Germany
16.41.1×
188Přerov Olomouc Region, Czechia
16.41.1×
188Berkeley California, United States
16.41.1×
194Perundurai Tamil Nadu, India
16.31.1×
194Manchester low-cost sensors England, United Kingdom
16.31.1×
196The Hague South Holland, The Netherlands
16.21.1×
197Jhālāwār Rajasthan, India
16.11.1×
197Gudalur Tamil Nadu, India
16.11.1×
197Amsterdam North Holland, The Netherlands
16.11.1×
197Owensboro Kentucky, United States
16.11.1×

Top 200 of 2,306 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