SmogRank / History / September 23, 2025

Most polluted cities on September 23, 2025

2,491 cities ranked by their average PM2.5 over the day. Each city's own local calendar day.

← September 22, 2025September 24, 2025 →
#City µg/m³× WHO
1Kanchipuram Tamil Nadu, India
454.030.3×
2Calexico California, United States
254.517.0×
3Blantyre low-cost sensors Southern Region, Malawi
101.06.7×
4Undera Gujarat, India
92.66.2×
5Gummidipundi Tamil Nadu, India
86.75.8×
6Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan
80.25.3×
7Gujranwala low-cost sensors Punjab, Pakistan
79.45.3×
8Lucknow Uttar Pradesh, India
78.15.2×
9Dubai low-cost sensors Dubai, United Arab Emirates
69.04.6×
10Baddi Himachal Pradesh, India
66.44.4×
11Sialkot low-cost sensors Punjab, Pakistan
63.94.3×
12Nalbāri Assam, India
63.84.3×
13Faisalabad low-cost sensors Punjab, Pakistan
60.34.0×
14Islamabad low-cost sensors Islamabad, Pakistan
55.13.7×
15Arāria Bihar, India
53.13.5×
16Gaya Bihar, India
52.83.5×
17Multan low-cost sensors Punjab, Pakistan
52.33.5×
18Chittoor Andhra Pradesh, India
51.73.4×
19Lahore low-cost sensors Punjab, Pakistan
50.43.4×
20Hājīpur Bihar, India
50.13.3×
21Morādābād Uttar Pradesh, India
50.03.3×
22Wenatchee Washington, United States
48.83.3×
23Rawalpindi low-cost sensors Punjab, Pakistan
47.13.1×
24Kigali Kigali, Rwanda
47.03.1×
25Chittorgarh Rajasthan, India
46.03.1×
26Kanpur Uttar Pradesh, India
45.43.0×
27Chānda Maharashtra, India
44.22.9×
27Yellowknife low-cost sensors Northwest Territories, Canada
44.22.9×
29Rasapūdipalem Andhra Pradesh, India
44.02.9×
30Bhiwadi Rajasthan, India
43.52.9×
31Krosno Subcarpathia, Poland
42.92.9×
32Ropar Punjab, India
42.62.8×
33Vapi Gujarat, India
42.42.8×
34Hyderabad Telangana, India
41.72.8×
35Jaipur Rajasthan, India
40.72.7×
36Tirupati Andhra Pradesh, India
40.12.7×
36Agra Uttar Pradesh, India
40.12.7×
38Bānswāra Rajasthan, India
39.82.7×
39Siwān Bihar, India
39.42.6×
40Cártama Andalusia, Spain
39.22.6×
41Santa Anita - Los Ficus Lima region, Peru
39.02.6×
42Tonk Rajasthan, India
38.92.6×
43Jakarta Jakarta, Indonesia
38.42.6×
44Meerut Uttar Pradesh, India
38.02.5×
45Buxar Bihar, India
37.92.5×
46Muzaffarnagar Uttar Pradesh, India
37.72.5×
46Dhaulpur Rajasthan, India
37.72.5×
48Narela Delhi, India
37.32.5×
49Ghāziābād Uttar Pradesh, India
37.22.5×
50Dādri Uttar Pradesh, India
36.92.5×
50Serilingampalle Telangana, India
36.92.5×
52Gwalior Madhya Pradesh, India
36.82.5×
53Gūduvāncheri Tamil Nadu, India
35.92.4×
54Quthbullapur Telangana, India
35.72.4×
55Bharatpur Rajasthan, India
35.62.4×
56Ishigaki Okinawa, Japan
35.12.3×
57Saugor Madhya Pradesh, India
34.92.3×
58Sri Ganganagar Rajasthan, India
34.82.3×
59Jalandhar Punjab, India
34.52.3×
60Hāpur Uttar Pradesh, India
34.42.3×
60Anantapur Andhra Pradesh, India
34.42.3×
62Nagaon Assam, India
34.22.3×
63Rishīkesh Uttarakhand, India
34.12.3×
64Bāghpat Uttar Pradesh, India
33.82.3×
65Greater Noida Uttar Pradesh, India
33.62.2×
66Kharghar Maharashtra, India
33.32.2×
67Vereeniging low-cost sensors Gauteng, South Africa
32.22.1×
68Prayagraj Uttar Pradesh, India
31.82.1×
69Callao Callao, Peru
31.62.1×
70Nagpur Maharashtra, India
31.52.1×
71Lagos low-cost sensors Lagos, Nigeria
31.32.1×
71San Francisco De Borja Lima region, Peru
31.32.1×
73Patna Bihar, India
31.22.1×
73Noida Uttar Pradesh, India
31.22.1×
75Harare low-cost sensors Harare, Zimbabwe
31.12.1×
76Delhi Delhi, India
30.52.0×
77Tiruchirappalli Tamil Nadu, India
30.22.0×
78Bahawalpur low-cost sensors Punjab, Pakistan
30.12.0×
78Rourkela Odisha, India
30.12.0×
78Kalyān Maharashtra, India
30.12.0×
81Chandigarh Chandigarh, India
29.72.0×
82Lima Lima Province, Peru
29.32.0×
83Kirkland low-cost sensors Washington, United States
28.31.9×
84Angul Odisha, India
28.21.9×
85Aya Nagar Delhi, India
27.31.8×
86Mangaluru Karnataka, India
27.21.8×
87Bengaluru Karnataka, India
27.11.8×
88Jalgaon Maharashtra, India
27.01.8×
88Jabalpur Madhya Pradesh, India
27.01.8×
90Quetta low-cost sensors Balochistan, Pakistan
26.81.8×
90Hyderabad low-cost sensors Sindh, Pakistan
26.81.8×
92Panvel Maharashtra, India
26.41.8×
93Najafgarh Delhi, India
26.31.8×
94Hanumāngarh Rajasthan, India
26.21.7×
95Ajmer Rajasthan, India
26.01.7×
96Bhopal Madhya Pradesh, India
25.91.7×
97Royal Oak low-cost sensors Michigan, United States
25.31.7×
97The Dalles Oregon, United States
25.31.7×
99Dausa Rajasthan, India
25.21.7×
100Bārān Rajasthan, India
25.11.7×
100Aurangabad Maharashtra, India
25.11.7×
102Baripāda Odisha, India
24.81.7×
103Ankleshwar Gujarat, India
24.41.6×
103Santa Catarina Nuevo León, Mexico
24.41.6×
105Bhāgalpur Bihar, India
24.31.6×
105San Francisco Tlalcilalcalpan México, Mexico
24.31.6×
107Joda Odisha, India
24.21.6×
108Sirohi Rajasthan, India
24.11.6×
108Vernon British Columbia, Canada
24.11.6×
110Karauli Rajasthan, India
24.01.6×
110Xonacatlán México, Mexico
24.01.6×
112Boisar Maharashtra, India
23.91.6×
113Wadgaon Kolhati Maharashtra, India
23.51.6×
114Badlapur Maharashtra, India
23.41.6×
114Tema low-cost sensors Greater Accra, Ghana
23.41.6×
116Sawai Madhopur Rajasthan, India
23.21.5×
117Coimbatore Tamil Nadu, India
23.01.5×
117Bhubaneswar Odisha, India
23.01.5×
119Karachi low-cost sensors Sindh, Pakistan
22.91.5×
120Amravati Maharashtra, India
22.71.5×
121Addis Ababa Addis Ababa, Ethiopia
22.61.5×
122Jhunjhunūn Rajasthan, India
22.51.5×
122Cuernavaca Morelos, Mexico
22.51.5×
124Changchun low-cost sensors Jilin, China
22.41.5×
124Cholula Puebla, Mexico
22.41.5×
126Kolhāpur Maharashtra, India
22.31.5×
127Vijayapura Karnataka, India
22.21.5×
127Tulare low-cost sensors California, United States
22.21.5×
127Kelowna British Columbia, Canada
22.21.5×
130Istanbul low-cost sensors Istanbul, Turkey
22.11.5×
131Yakima Washington, United States
22.01.5×
132Shivamogga Karnataka, India
21.81.5×
132San Salvador Tizatlalli México, Mexico
21.81.5×
134Parbhani Maharashtra, India
21.61.4×
135Hubballi Karnataka, India
21.31.4×
136Salem Tamil Nadu, India
20.81.4×
136Patiāla Punjab, India
20.81.4×
136Chennai Tamil Nadu, India
20.81.4×
139Ariyalūr Tamil Nadu, India
20.71.4×
140Kolkata West Bengal, India
20.61.4×
141Jhālāwār Rajasthan, India
20.51.4×
142Silchar Assam, India
20.41.4×
142Bhilai Chhattisgarh, India
20.41.4×
144Almaty low-cost sensors Almaty, Kazakhstan
20.01.3×
144Sunnyside Washington, United States
20.01.3×
146Sāngli Maharashtra, India
19.61.3×
146Saltillo Coahuila, Mexico
19.61.3×
148Dhule Maharashtra, India
19.51.3×
148García Nuevo León, Mexico
19.51.3×
150Āsansol West Bengal, India
19.41.3×
150Ashaiman low-cost sensors Greater Accra, Ghana
19.41.3×
150Irapuato Guanajuato, Mexico
19.41.3×
150Navalpattu Tamil Nadu, India
19.41.3×
154Mumbai Maharashtra, India
19.31.3×
154Kamloops British Columbia, Canada
19.31.3×
154Nepean low-cost sensors Ontario, Canada
19.31.3×
157Tijuana Baja California, Mexico
19.21.3×
158Kota Rajasthan, India
19.01.3×
158Bhiwandi Maharashtra, India
19.01.3×
160Durg Chhattisgarh, India
18.91.3×
160Cuddalore Tamil Nadu, India
18.91.3×
160Inglewood-Finn Hill low-cost sensors Washington, United States
18.91.3×
160Hacienda Santa Fe Jalisco, Mexico
18.91.3×
164Zagreb low-cost sensors Zagreb, Croatia
18.81.3×
165Chāpra Bihar, India
18.51.2×
166Pune Maharashtra, India
18.31.2×
167Sīkar Rajasthan, India
18.21.2×
168Bhilwara Rajasthan, India
17.91.2×
169Byasanagar Odisha, India
17.71.2×
170Sarajevo Federation of B&H, Bosnia and Herzegovina
17.61.2×
171Rājsamand Rajasthan, India
17.41.2×
171Arrah Bihar, India
17.41.2×
173Nashik Maharashtra, India
17.31.2×
173Hermiston Oregon, United States
17.31.2×
175Raipur Chhattisgarh, India
17.21.1×
175Pratāpgarh Rajasthan, India
17.21.1×
177Bothell low-cost sensors Washington, United States
17.11.1×
178Ahmedabad Gujarat, India
17.01.1×
178Haldia West Bengal, India
17.01.1×
180Kraljevo Central Serbia, Serbia
16.91.1×
180Ellensburg Washington, United States
16.91.1×
182Gandhinagar Gujarat, India
16.71.1×
182Akola Maharashtra, India
16.71.1×
184Zapopan Jalisco, Mexico
16.61.1×
184Ciudad Benito Juárez Nuevo León, Mexico
16.61.1×
186Gudalur Tamil Nadu, India
16.41.1×
187Virār Maharashtra, India
16.31.1×
187Nanded Maharashtra, India
16.31.1×
187Sekimachi Gifu, Japan
16.31.1×
190Shrīrāmpur West Bengal, India
16.21.1×
190Macon Georgia, United States
16.21.1×
190Amaravati Andhra Pradesh, India
16.21.1×
193Gyál Pest County, Hungary
16.11.1×
194Lewiston Idaho, United States
15.91.1×
194Pocatello Idaho, United States
15.91.1×
196Quezon City low-cost sensors National Capital Region, Philippines
15.81.1×
196Medina Estates low-cost sensors Greater Accra, Ghana
15.81.1×
198Malegaon Maharashtra, India
15.71.0×
198Nandri Rajasthan, India
15.71.0×
200Wan Chai Wan Chai, Hong Kong
15.61.0×

Top 200 of 2,491 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