SmogRank / History / September 20, 2025

Most polluted cities on September 20, 2025

2,148 cities ranked by their average PM2.5 over the day. Each city's own local calendar day.

← September 19, 2025September 21, 2025 →
#City µg/m³× WHO
1Calexico California, United States
252.316.8×
2Stodůlky low-cost sensors Prague, Czechia
140.09.3×
3Gummidipundi Tamil Nadu, India
115.07.7×
4Joda Odisha, India
83.15.5×
5Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan
70.54.7×
6Faisalabad low-cost sensors Punjab, Pakistan
67.64.5×
7Hyderabad Telangana, India
62.34.2×
8Angul Odisha, India
61.24.1×
9Sri Ganganagar Rajasthan, India
60.44.0×
10Lahore low-cost sensors Punjab, Pakistan
59.74.0×
11Multan low-cost sensors Punjab, Pakistan
59.23.9×
12Gujranwala low-cost sensors Punjab, Pakistan
57.73.8×
13Greater Noida Uttar Pradesh, India
54.53.6×
14Chittoor Andhra Pradesh, India
53.93.6×
15Blantyre low-cost sensors Southern Region, Malawi
52.83.5×
16Mangaluru Karnataka, India
51.43.4×
17Bhāgalpur Bihar, India
50.23.3×
18Serilingampalle Telangana, India
48.53.2×
19Sialkot low-cost sensors Punjab, Pakistan
48.23.2×
20Dādri Uttar Pradesh, India
47.13.1×
21Bānswāra Rajasthan, India
46.23.1×
22Dubai low-cost sensors Dubai, United Arab Emirates
46.03.1×
23Muzaffarnagar Uttar Pradesh, India
45.83.1×
24Hāpur Uttar Pradesh, India
45.43.0×
25Vereeniging low-cost sensors Gauteng, South Africa
45.33.0×
25Rasapūdipalem Andhra Pradesh, India
45.33.0×
27Rānīganj West Bengal, India
45.23.0×
28Baddi Himachal Pradesh, India
44.53.0×
29Tulare low-cost sensors California, United States
44.33.0×
30Noida Uttar Pradesh, India
44.12.9×
31Rawalpindi low-cost sensors Punjab, Pakistan
43.82.9×
32Durgapur West Bengal, India
41.62.8×
32Anantapur Andhra Pradesh, India
41.62.8×
34Kadapa Andhra Pradesh, India
40.92.7×
35Dushanbe Dushanbe, Tajikistan
40.72.7×
36Patna Bihar, India
40.42.7×
36Meerut Uttar Pradesh, India
40.42.7×
38Tirupati Andhra Pradesh, India
40.22.7×
39Agra Uttar Pradesh, India
40.02.7×
40Saugor Madhya Pradesh, India
39.82.7×
41Rourkela Odisha, India
39.62.6×
42Jalgaon Maharashtra, India
37.82.5×
42Buxar Bihar, India
37.82.5×
44Delhi Delhi, India
37.72.5×
44Barbil Odisha, India
37.72.5×
46Kanpur Uttar Pradesh, India
37.42.5×
47Cuttack Odisha, India
37.22.5×
48Ghāziābād Uttar Pradesh, India
36.92.5×
49Tonk Rajasthan, India
36.62.4×
49Narela Delhi, India
36.62.4×
51Lucknow Uttar Pradesh, India
36.02.4×
51Āsansol West Bengal, India
36.02.4×
53Kolkata West Bengal, India
35.72.4×
54Quetta low-cost sensors Balochistan, Pakistan
35.42.4×
54Gwalior Madhya Pradesh, India
35.42.4×
54Bhubaneswar Odisha, India
35.42.4×
54Aya Nagar Delhi, India
35.42.4×
58Harare low-cost sensors Harare, Zimbabwe
35.02.3×
58Sirohi Rajasthan, India
35.02.3×
60Bharatpur Rajasthan, India
34.82.3×
61Agüimes Canary Islands, Spain
34.02.3×
62Baripāda Odisha, India
33.82.3×
63Nagaon Assam, India
33.72.2×
64Hājīpur Bihar, India
33.52.2×
65Keonjhargarh Odisha, India
33.42.2×
66Bahawalpur low-cost sensors Punjab, Pakistan
33.32.2×
67Ajmer Rajasthan, India
32.62.2×
68Vapi Gujarat, India
32.32.2×
69Jalandhar Punjab, India
32.12.1×
70Shrīrāmpur West Bengal, India
31.92.1×
71Coimbatore Tamil Nadu, India
31.52.1×
72Milan Lombardy, Italy
31.32.1×
73Chandigarh Chandigarh, India
31.22.1×
73Porterville California, United States
31.22.1×
75Jaipur Rajasthan, India
31.12.1×
75Aurangabad Maharashtra, India
31.12.1×
77Morādābād Uttar Pradesh, India
30.92.1×
78Bengaluru Karnataka, India
30.82.1×
78Maspalomas Canary Islands, Spain
30.82.1×
80Karauli Rajasthan, India
30.52.0×
81Chittorgarh Rajasthan, India
30.22.0×
82Arāria Bihar, India
30.02.0×
83Ingenio Canary Islands, Spain
29.82.0×
84Karachi low-cost sensors Sindh, Pakistan
27.11.8×
85Gandhinagar Gujarat, India
26.81.8×
86Najafgarh Delhi, India
26.71.8×
87Silchar Assam, India
26.31.8×
88Addis Ababa Addis Ababa, Ethiopia
26.21.7×
88Bārān Rajasthan, India
26.21.7×
90Ahmedabad Gujarat, India
26.01.7×
90Kharghar Maharashtra, India
26.01.7×
92Parbhani Maharashtra, India
25.81.7×
93Jhunjhunūn Rajasthan, India
25.51.7×
94Chennai Tamil Nadu, India
25.11.7×
94Changchun low-cost sensors Jilin, China
25.11.7×
94Prince George British Columbia, Canada
25.11.7×
97Dhaulpur Rajasthan, India
24.91.7×
97Dausa Rajasthan, India
24.91.7×
97Haldia West Bengal, India
24.91.7×
97Byasanagar Odisha, India
24.91.7×
101Vigevano Lombardy, Italy
24.81.7×
102Tirupparangunram Tamil Nadu, India
24.51.6×
102Jhālāwār Rajasthan, India
24.51.6×
102Hanumāngarh Rajasthan, India
24.51.6×
105Lagos low-cost sensors Lagos, Nigeria
24.31.6×
106Patiāla Punjab, India
23.71.6×
106Ashaiman low-cost sensors Greater Accra, Ghana
23.71.6×
106Edmonton Alberta, Canada
23.71.6×
109Jabalpur Madhya Pradesh, India
23.51.6×
110Red Deer Alberta, Canada
23.31.6×
111Bra Piedmont, Italy
23.21.5×
112San Francisco Tlalcilalcalpan México, Mexico
23.11.5×
113Bhilwara Rajasthan, India
23.01.5×
114Tema low-cost sensors Greater Accra, Ghana
22.71.5×
115Pratāpgarh Rajasthan, India
22.61.5×
116Perundurai Tamil Nadu, India
22.51.5×
117Shivamogga Karnataka, India
22.41.5×
117Ropar Punjab, India
22.41.5×
117Gijón Asturias, Spain
22.41.5×
120Vijayapura Karnataka, India
22.21.5×
121Sīkar Rajasthan, India
22.01.5×
121Nanded Maharashtra, India
22.01.5×
123Bhiwandi Maharashtra, India
21.71.4×
123Nichelino Piedmont, Italy
21.71.4×
123Indianapolis Indiana, United States
21.71.4×
126St. Albert Alberta, Canada
21.51.4×
127Bhopal Madhya Pradesh, India
21.21.4×
127Singrauli Madhya Pradesh, India
21.21.4×
129Hubballi Karnataka, India
21.11.4×
129La Paz Baja California Sur, Mexico
21.11.4×
131Panvel Maharashtra, India
21.01.4×
131Wake Forest low-cost sensors North Carolina, United States
21.01.4×
133Arona Canary Islands, Spain
20.91.4×
133Ponferrada Castille and León, Spain
20.91.4×
135Cholula Puebla, Mexico
20.81.4×
136Rishīkesh Uttarakhand, India
20.71.4×
136Kolhāpur Maharashtra, India
20.71.4×
136Novara Piedmont, Italy
20.71.4×
139San Isidro Canary Islands, Spain
20.61.4×
140Nalbāri Assam, India
20.51.4×
140Badlapur Maharashtra, India
20.51.4×
142Cuernavaca Morelos, Mexico
20.41.4×
143Akola Maharashtra, India
20.21.3×
144Gaya Bihar, India
20.11.3×
144Kathmandu low-cost sensors Bagmati Province, Nepal
20.11.3×
146Jodhpur Rajasthan, India
20.01.3×
146San Salvador Tizatlalli México, Mexico
20.01.3×
148Amravati Maharashtra, India
19.91.3×
148Alessandria Piedmont, Italy
19.91.3×
150Chāpra Bihar, India
19.81.3×
151Rājsamand Rajasthan, India
19.41.3×
151Calgary Alberta, Canada
19.41.3×
153Shillong Meghalaya, India
19.21.3×
154Winterthur low-cost sensors Zurich, Switzerland
19.11.3×
155Lethbridge Alberta, Canada
18.91.3×
156Montgomery Alabama, United States
18.81.3×
157Istanbul low-cost sensors Istanbul, Turkey
18.71.2×
157Kalaburagi Karnataka, India
18.71.2×
159Bārmer Rajasthan, India
18.61.2×
159Ourense Galicia, Spain
18.61.2×
161Kalyān Maharashtra, India
18.51.2×
162Santa Catarina Nuevo León, Mexico
18.41.2×
162Bakersfield California, United States
18.41.2×
164Candelaria Canary Islands, Spain
18.31.2×
164Fuenlabrada Madrid, Spain
18.31.2×
166Virār Maharashtra, India
18.21.2×
166Bhilai Chhattisgarh, India
18.21.2×
166Macon Georgia, United States
18.21.2×
169Nashik Maharashtra, India
18.11.2×
170Pune Maharashtra, India
18.01.2×
170Bikaner Rajasthan, India
18.01.2×
170Granadilla de Abona Canary Islands, Spain
18.01.2×
173Jaisalmer Rajasthan, India
17.91.2×
173Saiki Oita, Japan
17.91.2×
175Uwajima Ehime, Japan
17.71.2×
175Yakima Washington, United States
17.71.2×
177Móstoles Madrid, Spain
17.51.2×
178Gudalur Tamil Nadu, India
17.41.2×
178Accra low-cost sensors Greater Accra, Ghana
17.41.2×
180Kota Rajasthan, India
17.31.2×
180Durg Chhattisgarh, India
17.31.2×
180Santa Lucía Canary Islands, Spain
17.31.2×
180Torrejón de Ardoz Madrid, Spain
17.31.2×
180León Castille and León, Spain
17.31.2×
185Arrah Bihar, India
17.21.1×
185Las Palmas de Gran Canaria Canary Islands, Spain
17.21.1×
185Turin Piedmont, Italy
17.21.1×
185Moore Oklahoma, United States
17.21.1×
189Raipur Chhattisgarh, India
17.11.1×
189Nagpur Maharashtra, India
17.11.1×
189Santa Cruz de la Palma Canary Islands, Spain
17.11.1×
192Tirumala Andhra Pradesh, India
16.71.1×
192Yawatahama Ehime, Japan
16.71.1×
194Airdrie Alberta, Canada
16.51.1×
195Kalisz Greater Poland, Poland
16.41.1×
196Birmingham Alabama, United States
16.31.1×
197Jeffersonville Indiana, United States
16.21.1×
197Corcoran California, United States
16.21.1×
197Sunnyside Washington, United States
16.21.1×
200Medina Estates low-cost sensors Greater Accra, Ghana
16.11.1×

Top 200 of 2,148 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