SmogRank / History / September 24, 2025

Most polluted cities on September 24, 2025

2,296 cities ranked by their average PM2.5 over the day. Each city's own local calendar day.

#City µg/m³× WHO
1Calexico California, United States
253.216.9×
2Wenatchee Washington, United States
154.010.3×
3Dushanbe Dushanbe, Tajikistan
120.08.0×
4Gummidipundi Tamil Nadu, India
96.66.4×
5Lucknow Uttar Pradesh, India
87.95.9×
6Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan
86.35.8×
7Blantyre low-cost sensors Southern Region, Malawi
85.75.7×
8Gujranwala low-cost sensors Punjab, Pakistan
84.15.6×
9Undera Gujarat, India
79.65.3×
10Harare low-cost sensors Harare, Zimbabwe
75.95.1×
11Sialkot low-cost sensors Punjab, Pakistan
63.64.2×
12Baddi Himachal Pradesh, India
61.64.1×
13Lahore low-cost sensors Punjab, Pakistan
59.34.0×
14Multan low-cost sensors Punjab, Pakistan
59.13.9×
15Faisalabad low-cost sensors Punjab, Pakistan
59.03.9×
16Serilingampalle Telangana, India
56.13.7×
17Morādābād Uttar Pradesh, India
52.93.5×
18Chittoor Andhra Pradesh, India
51.73.4×
19Rasapūdipalem Andhra Pradesh, India
49.33.3×
20Rawalpindi low-cost sensors Punjab, Pakistan
47.63.2×
21Bhiwadi Rajasthan, India
47.53.2×
22Hājīpur Bihar, India
45.63.0×
23Ghāziābād Uttar Pradesh, India
43.62.9×
24Islamabad low-cost sensors Islamabad, Pakistan
41.82.8×
25Agra Uttar Pradesh, India
40.82.7×
26Tirupati Andhra Pradesh, India
40.62.7×
27Dubai low-cost sensors Dubai, United Arab Emirates
40.52.7×
28Ellensburg Washington, United States
39.12.6×
29Greater Noida Uttar Pradesh, India
38.42.6×
30Kanpur Uttar Pradesh, India
38.12.5×
31Buxar Bihar, India
38.02.5×
32Hāpur Uttar Pradesh, India
37.72.5×
33Bānswāra Rajasthan, India
37.32.5×
34Narela Delhi, India
37.12.5×
35Bengaluru Karnataka, India
36.92.5×
36Patna Bihar, India
36.82.5×
37Anantapur Andhra Pradesh, India
36.52.4×
38Vereeniging low-cost sensors Gauteng, South Africa
35.62.4×
39Kharghar Maharashtra, India
35.52.4×
40Dādri Uttar Pradesh, India
34.52.3×
41Gwalior Madhya Pradesh, India
34.12.3×
42Rishīkesh Uttarakhand, India
33.92.3×
43Delhi Delhi, India
33.52.2×
44Dhaulpur Rajasthan, India
33.42.2×
45Jalandhar Punjab, India
33.22.2×
46Nagaon Assam, India
33.12.2×
47Prayagraj Uttar Pradesh, India
32.42.2×
48Tonk Rajasthan, India
31.72.1×
49Quthbullapur Telangana, India
31.62.1×
50Noida Uttar Pradesh, India
31.52.1×
51Muzaffarnagar Uttar Pradesh, India
31.02.1×
51Bāghpat Uttar Pradesh, India
31.02.1×
53Saugor Madhya Pradesh, India
30.92.1×
54Arāria Bihar, India
30.62.0×
55Bahawalpur low-cost sensors Punjab, Pakistan
30.32.0×
56Kalyān Maharashtra, India
30.12.0×
57Siwān Bihar, India
29.92.0×
57Rānīganj West Bengal, India
29.92.0×
59Tirupparangunram Tamil Nadu, India
29.82.0×
60Vapi Gujarat, India
29.62.0×
61Ciudad Benito Juárez Nuevo León, Mexico
29.52.0×
62Sri Ganganagar Rajasthan, India
29.42.0×
62Chandigarh Chandigarh, India
29.42.0×
64Cuttack Odisha, India
29.32.0×
65Aya Nagar Delhi, India
29.01.9×
66Lagos low-cost sensors Lagos, Nigeria
28.71.9×
67Joda Odisha, India
28.51.9×
68García Nuevo León, Mexico
28.41.9×
69Hyderabad Telangana, India
28.21.9×
70Rourkela Odisha, India
27.81.9×
71Jabalpur Madhya Pradesh, India
27.71.8×
72Jaipur Rajasthan, India
27.51.8×
73Panvel Maharashtra, India
27.31.8×
74Nagpur Maharashtra, India
27.21.8×
75Karachi low-cost sensors Sindh, Pakistan
26.81.8×
76Bhopal Madhya Pradesh, India
26.51.8×
77Jalgaon Maharashtra, India
26.01.7×
78Royal Oak low-cost sensors Michigan, United States
25.91.7×
79Karauli Rajasthan, India
25.71.7×
80Kolkata West Bengal, India
25.61.7×
81Bharatpur Rajasthan, India
25.51.7×
82Angul Odisha, India
25.01.7×
83Naharlagun Arunachal Pradesh, India
24.81.7×
84Najafgarh Delhi, India
24.61.6×
85Quetta low-cost sensors Balochistan, Pakistan
24.51.6×
86Monterrey Nuevo León, Mexico
24.41.6×
87Chāpra Bihar, India
24.21.6×
87Baripāda Odisha, India
24.21.6×
87Aurangabad Maharashtra, India
24.21.6×
90Shivamogga Karnataka, India
24.11.6×
90Saltillo Coahuila, Mexico
24.11.6×
92Yakima Washington, United States
23.71.6×
93Ciudad General Escobedo Nuevo León, Mexico
23.61.6×
93Wadgaon Kolhati Maharashtra, India
23.61.6×
95Ajmer Rajasthan, India
23.51.6×
96Dausa Rajasthan, India
23.21.5×
96Fort McMurray Alberta, Canada
23.21.5×
98Badlapur Maharashtra, India
23.11.5×
99Bhubaneswar Odisha, India
22.81.5×
100Nalbāri Assam, India
22.61.5×
101Iloilo low-cost sensors Western Visayas, Philippines
22.41.5×
102Sirohi Rajasthan, India
22.21.5×
103Istanbul low-cost sensors Istanbul, Turkey
22.11.5×
104Hanumāngarh Rajasthan, India
22.01.5×
104Vernon British Columbia, Canada
22.01.5×
106Parbhani Maharashtra, India
21.81.5×
106Changchun low-cost sensors Jilin, China
21.81.5×
108Kathmandu low-cost sensors Bagmati Province, Nepal
21.71.4×
109Chānda Maharashtra, India
21.51.4×
109Āsansol West Bengal, India
21.51.4×
111Obrenovac Central Serbia, Serbia
21.41.4×
112Dhule Maharashtra, India
21.21.4×
112San Francisco Tlalcilalcalpan México, Mexico
21.21.4×
114Chennai Tamil Nadu, India
21.11.4×
114Cholula Puebla, Mexico
21.11.4×
116Kalaburagi Karnataka, India
21.01.4×
116Bārān Rajasthan, India
21.01.4×
118Virār Maharashtra, India
20.91.4×
118Bhilai Chhattisgarh, India
20.91.4×
120Amravati Maharashtra, India
20.51.4×
121Silchar Assam, India
20.31.4×
121Akola Maharashtra, India
20.31.4×
121Cártama Andalusia, Spain
20.31.4×
121Sarajevo Federation of B&H, Bosnia and Herzegovina
20.31.4×
125Thāne Maharashtra, India
20.11.3×
125Kolhāpur Maharashtra, India
20.11.3×
127Sāngli Maharashtra, India
20.01.3×
128Nashik Maharashtra, India
19.91.3×
128Cadereyta Jiménez Nuevo León, Mexico
19.91.3×
130Hacienda Santa Fe Jalisco, Mexico
19.51.3×
131Ilinden Ilinden, North Macedonia
19.41.3×
131Haldia West Bengal, India
19.41.3×
131Cuernavaca Morelos, Mexico
19.41.3×
131Ciudad Apodaca Nuevo León, Mexico
19.41.3×
135Pune Maharashtra, India
19.31.3×
136Ankleshwar Gujarat, India
19.11.3×
137Sawai Madhopur Rajasthan, India
18.91.3×
138Nanded Maharashtra, India
18.61.2×
138Quezon City low-cost sensors National Capital Region, Philippines
18.61.2×
138Prince Albert Saskatchewan, Canada
18.61.2×
141Bhilwara Rajasthan, India
18.51.2×
142Rājsamand Rajasthan, India
18.41.2×
143Malegaon Maharashtra, India
18.21.2×
143Bhāgalpur Bihar, India
18.21.2×
143Sevilla Andalusia, Spain
18.21.2×
146La Paz Baja California Sur, Mexico
18.11.2×
147Hubballi Karnataka, India
18.01.2×
147Zagreb low-cost sensors Zagreb, Croatia
18.01.2×
147Barbil Odisha, India
18.01.2×
147San Salvador Tizatlalli México, Mexico
18.01.2×
151Kota Rajasthan, India
17.81.2×
151Durango Basque Country, Spain
17.81.2×
153Ahmedabad Gujarat, India
17.71.2×
154Kumanovo Kumanovo, North Macedonia
17.61.2×
154Boisar Maharashtra, India
17.61.2×
156Tula de Allende Hidalgo, Mexico
17.51.2×
157Chittorgarh Rajasthan, India
17.41.2×
157Arrah Bihar, India
17.41.2×
157Salem Oregon, United States
17.41.2×
160Albany Oregon, United States
17.31.2×
160Kelowna British Columbia, Canada
17.31.2×
162Gandhinagar Gujarat, India
17.21.1×
162Nandri Rajasthan, India
17.21.1×
164Patiāla Punjab, India
17.01.1×
164Sekimachi Gifu, Japan
17.01.1×
164Portland Oregon, United States
17.01.1×
164Sunnyside Washington, United States
17.01.1×
168Kikinda Vojvodina, Serbia
16.91.1×
169Cuddalore Tamil Nadu, India
16.81.1×
169Valjevo Central Serbia, Serbia
16.81.1×
171Mumbai Maharashtra, India
16.71.1×
171Canby Oregon, United States
16.71.1×
171Amaravati Andhra Pradesh, India
16.71.1×
174Gudalur Tamil Nadu, India
16.51.1×
174Abington low-cost sensors Pennsylvania, United States
16.51.1×
176Nepean low-cost sensors Ontario, Canada
16.21.1×
177Tetovo Tetovo, North Macedonia
15.91.1×
178Shrīrāmpur West Bengal, India
15.81.1×
179Smederevo Central Serbia, Serbia
15.61.0×
179Eugene Oregon, United States
15.61.0×
181Raipur Chhattisgarh, India
15.51.0×
181Tijuana Baja California, Mexico
15.51.0×
181Oregon City Oregon, United States
15.51.0×
184Belgrade Central Serbia, Serbia
15.41.0×
184Pratāpgarh Rajasthan, India
15.41.0×
186Dūngarpur Rajasthan, India
15.21.0×
186Camden low-cost sensors New Jersey, United States
15.21.0×
186Saskatoon Saskatchewan, Canada
15.21.0×
189Jalor Rajasthan, India
15.01.0×
189Indore Madhya Pradesh, India
15.01.0×
191The Dalles Oregon, United States
14.91.0×
192Yerevan low-cost sensors Yerevan, Armenia
14.81.0×
192Lexington North Carolina, United States
14.81.0×
194Hermiston Oregon, United States
14.71.0×
195Madikeri Karnataka, India
14.61.0×
195Toki Gifu, Japan
14.61.0×
197Pimpri-Chinchwad Maharashtra, India
14.51.0×
198Dej Cluj County, Romania
14.31.0×
199Wake Forest low-cost sensors North Carolina, United States
14.20.9×
199Riverside California, United States
14.20.9×

Top 200 of 2,296 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