SmogRank / History / September 26, 2025

Most polluted cities on September 26, 2025

2,277 cities ranked by their average PM2.5 over the day. Each city's own local calendar day.

← September 25, 2025September 27, 2025 →
#City µg/m³× WHO
1Calexico California, United States
252.016.8×
2Bhāgalpur Bihar, India
132.08.8×
3Undera Gujarat, India
95.76.4×
4Cuddalore Tamil Nadu, India
91.86.1×
5Yellowknife low-cost sensors Northwest Territories, Canada
91.26.1×
6Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan
83.45.6×
7Wenatchee Washington, United States
73.04.9×
8Gummidipundi Tamil Nadu, India
70.64.7×
9Addis Ababa Addis Ababa, Ethiopia
68.94.6×
10Hājīpur Bihar, India
68.24.5×
11Dushanbe Dushanbe, Tajikistan
65.04.3×
12Faisalabad low-cost sensors Punjab, Pakistan
63.34.2×
13Rājgīr Bihar, India
60.74.0×
14Multan low-cost sensors Punjab, Pakistan
60.34.0×
14Baddi Himachal Pradesh, India
60.34.0×
16Joda Odisha, India
58.73.9×
17Chāpra Bihar, India
56.03.7×
18Lahore low-cost sensors Punjab, Pakistan
55.73.7×
18Lucknow Uttar Pradesh, India
55.73.7×
20Saugor Madhya Pradesh, India
53.23.5×
20Dhaulpur Rajasthan, India
53.23.5×
22Kanpur Uttar Pradesh, India
53.13.5×
23Agra Uttar Pradesh, India
52.03.5×
24Bhiwadi Rajasthan, India
50.43.4×
25Sialkot low-cost sensors Punjab, Pakistan
49.43.3×
26Gujranwala low-cost sensors Punjab, Pakistan
49.13.3×
27Gwalior Madhya Pradesh, India
49.03.3×
28Bānswāra Rajasthan, India
47.03.1×
29Bahawalpur low-cost sensors Punjab, Pakistan
46.63.1×
30Ropar Punjab, India
44.93.0×
31Angul Odisha, India
44.83.0×
32Vereeniging low-cost sensors Gauteng, South Africa
44.63.0×
33Hāpur Uttar Pradesh, India
44.22.9×
34Narela Delhi, India
44.02.9×
35Rasapūdipalem Andhra Pradesh, India
43.42.9×
36Dādri Uttar Pradesh, India
42.72.8×
37Hyderabad low-cost sensors Sindh, Pakistan
42.42.8×
38Chandigarh Chandigarh, India
42.12.8×
39Vapi Gujarat, India
41.82.8×
40Meerut Uttar Pradesh, India
41.52.8×
41Rawalpindi low-cost sensors Punjab, Pakistan
41.02.7×
42Muzaffarnagar Uttar Pradesh, India
40.42.7×
43Greater Noida Uttar Pradesh, India
40.12.7×
44Panvel Maharashtra, India
39.52.6×
45Morādābād Uttar Pradesh, India
39.02.6×
45Bāghpat Uttar Pradesh, India
39.02.6×
47Buxar Bihar, India
38.02.5×
48Blantyre low-cost sensors Southern Region, Malawi
37.82.5×
48Jalandhar Punjab, India
37.82.5×
48Jalgaon Maharashtra, India
37.82.5×
51Delhi Delhi, India
37.52.5×
52Noida Uttar Pradesh, India
37.02.5×
53Tonk Rajasthan, India
36.52.4×
54Dubai low-cost sensors Dubai, United Arab Emirates
36.22.4×
54Kadapa Andhra Pradesh, India
36.22.4×
54Serilingampalle Telangana, India
36.22.4×
57Bengaluru Karnataka, India
35.92.4×
58Rānīganj West Bengal, India
35.82.4×
59Karachi low-cost sensors Sindh, Pakistan
34.52.3×
60Aya Nagar Delhi, India
34.42.3×
61Quthbullapur Telangana, India
34.32.3×
62Lewiston Idaho, United States
34.02.3×
63Rourkela Odisha, India
33.92.3×
64Najafgarh Delhi, India
33.72.2×
65Ghāziābād Uttar Pradesh, India
33.42.2×
66Bhiwandi Maharashtra, India
32.42.2×
67Tuxtla Chiapas, Mexico
32.22.1×
68Aurangabad Maharashtra, India
31.82.1×
69Nagpur Maharashtra, India
31.02.1×
70Patna Bihar, India
30.72.0×
70Hanumāngarh Rajasthan, India
30.72.0×
72Wadgaon Kolhati Maharashtra, India
30.52.0×
73Nashik Maharashtra, India
30.32.0×
74Kharghar Maharashtra, India
30.12.0×
75Jaipur Rajasthan, India
30.02.0×
76Moscow Idaho, United States
29.92.0×
77Anantapur Andhra Pradesh, India
29.52.0×
78Ajmer Rajasthan, India
29.11.9×
79Buzi Taiwan, Taiwan
28.81.9×
80Queenstown Estate low-cost sensors Singapore
28.71.9×
81Kalyān Maharashtra, India
28.61.9×
81Dausa Rajasthan, India
28.61.9×
83Parbhani Maharashtra, India
28.51.9×
83Arāria Bihar, India
28.51.9×
85Akola Maharashtra, India
28.41.9×
86Baripāda Odisha, India
28.21.9×
87Ankleshwar Gujarat, India
28.11.9×
88Dūngarpur Rajasthan, India
27.71.8×
89Chittorgarh Rajasthan, India
27.11.8×
90Bārān Rajasthan, India
27.01.8×
91Gaya Bihar, India
26.81.8×
91Yuanlin Taiwan, Taiwan
26.81.8×
93Chānda Maharashtra, India
26.71.8×
94Bharatpur Rajasthan, India
26.31.8×
94Changhua Taiwan, Taiwan
26.31.8×
96Erlun Taiwan, Taiwan
26.21.7×
97Virār Maharashtra, India
25.71.7×
98Bhopal Madhya Pradesh, India
25.31.7×
99Taichung Taiwan, Taiwan
25.21.7×
100Nalbāri Assam, India
25.11.7×
101Sri Ganganagar Rajasthan, India
24.61.6×
102Kolkata West Bengal, India
24.51.6×
103Tirupparangunram Tamil Nadu, India
24.41.6×
104Quetta low-cost sensors Balochistan, Pakistan
24.11.6×
105Naucalpan de Juárez México, Mexico
24.01.6×
106Erlin Taiwan, Taiwan
23.91.6×
107Patiāla Punjab, India
23.81.6×
108Dhule Maharashtra, India
23.61.6×
108Beigang Taiwan, Taiwan
23.61.6×
108Porto low-cost sensors Porto, Portugal
23.61.6×
111Islamabad low-cost sensors Islamabad, Pakistan
23.51.6×
112Siwān Bihar, India
23.31.6×
112Sawai Madhopur Rajasthan, India
23.31.6×
112Changchun low-cost sensors Jilin, China
23.31.6×
115Silchar Assam, India
23.21.5×
116Ahmedabad Gujarat, India
23.11.5×
116Taibao Taiwan, Taiwan
23.11.5×
118Chennai Tamil Nadu, India
22.71.5×
119Gandhinagar Gujarat, India
22.61.5×
119Douliu Taiwan, Taiwan
22.61.5×
121Srinagar Jammu and Kashmir, India
22.41.5×
121Torrejón de Ardoz Madrid, Spain
22.41.5×
123Hyderabad Telangana, India
22.21.5×
124Agartala Tripura, India
21.81.5×
125Pratāpgarh Rajasthan, India
21.71.4×
125Jalor Rajasthan, India
21.71.4×
127Istanbul low-cost sensors Istanbul, Turkey
21.51.4×
128Sarajevo Federation of B&H, Bosnia and Herzegovina
21.21.4×
129Mumbai Maharashtra, India
21.11.4×
130Mankato Minnesota, United States
20.71.4×
131Amravati Maharashtra, India
20.61.4×
132Indore Madhya Pradesh, India
20.41.4×
132Hubballi Karnataka, India
20.41.4×
132Bhayandar Maharashtra, India
20.41.4×
135Sāngli Maharashtra, India
20.31.4×
135Guwahati Assam, India
20.31.4×
135Berkeley California, United States
20.31.4×
138Malegaon Maharashtra, India
20.21.3×
139Ruse Ruse, Bulgaria
20.11.3×
140Cholula Puebla, Mexico
20.01.3×
141Barbil Odisha, India
19.91.3×
142Raipur Chhattisgarh, India
19.81.3×
142Bhilai Chhattisgarh, India
19.81.3×
144Rairangpur Odisha, India
19.71.3×
145Pune Maharashtra, India
19.51.3×
145Xinying Taiwan, Taiwan
19.51.3×
147Shivamogga Karnataka, India
19.31.3×
148Gudalur Tamil Nadu, India
19.21.3×
148Lagos low-cost sensors Lagos, Nigeria
19.21.3×
150Kathmandu low-cost sensors Bagmati Province, Nepal
19.11.3×
150Mixquiahuala de Juárez Hidalgo, Mexico
19.11.3×
152Ciudad Benito Juárez Nuevo León, Mexico
18.91.3×
152Richmond California, United States
18.91.3×
154Bhilwara Rajasthan, India
18.81.3×
154Wan Chai Wan Chai, Hong Kong
18.81.3×
154Zagreb low-cost sensors Zagreb, Croatia
18.81.3×
157Chiayi City Taiwan, Taiwan
18.71.2×
158Miaoli Taiwan, Taiwan
18.61.2×
158Pimpri-Chinchwad Maharashtra, India
18.61.2×
160Cadereyta Jiménez Nuevo León, Mexico
18.41.2×
160Fort McMurray Alberta, Canada
18.41.2×
162Kolhāpur Maharashtra, India
18.31.2×
162Fengshan Takao, Taiwan
18.31.2×
165Xizhou Taiwan, Taiwan
18.21.2×
166Latur Maharashtra, India
18.11.2×
167Boisar Maharashtra, India
18.01.2×
168Thāne Maharashtra, India
17.61.2×
168Billings Montana, United States
17.61.2×
170Āsansol West Bengal, India
17.51.2×
170Cuernavaca Morelos, Mexico
17.51.2×
172Jabalpur Madhya Pradesh, India
17.41.2×
172Yongkang Taiwan, Taiwan
17.41.2×
174Sīkar Rajasthan, India
17.31.2×
174Říčany low-cost sensors Central Bohemia, Czechia
17.31.2×
176Gyōda Saitama, Japan
17.21.1×
177Tainan Taiwan, Taiwan
17.11.1×
177San Leandro California, United States
17.11.1×
179Jodhpur Rajasthan, India
17.01.1×
179Jhunjhunūn Rajasthan, India
17.01.1×
179Chūru Rajasthan, India
17.01.1×
179Moore Oklahoma, United States
17.01.1×
183San Francisco California, United States
16.91.1×
184Kota Rajasthan, India
16.81.1×
185Beitbridge low-cost sensors Matabeleland South Province, Zimbabwe
16.71.1×
186Keonjhargarh Odisha, India
16.61.1×
186Cataño Cataño, Puerto Rico
16.61.1×
186Coeur d'Alene Idaho, United States
16.61.1×
186La Providencia Siglo XXI Hidalgo, Mexico
16.61.1×
190Sirsa Haryana, India
16.41.1×
191Saint Joseph Missouri, United States
16.21.1×
191Palo Alto low-cost sensors California, United States
16.21.1×
193Kōnosu Saitama, Japan
16.01.1×
194Tatebayashi Gunma, Japan
15.91.1×
194Nandri Rajasthan, India
15.91.1×
196Madikeri Karnataka, India
15.81.1×
196Durgapur West Bengal, India
15.81.1×
196Le Havre Normandy, France
15.81.1×
196García Nuevo León, Mexico
15.81.1×
196Ciudad General Escobedo Nuevo León, Mexico
15.81.1×

Top 200 of 2,277 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