SmogRank / History / September 22, 2025

Most polluted cities on September 22, 2025

2,308 cities ranked by their average PM2.5 over the day. Each city's own local calendar day.

← September 21, 2025September 23, 2025 →
#City µg/m³× WHO
1Calexico California, United States
253.416.9×
2Cuddalore Tamil Nadu, India
159.010.6×
3Blantyre low-cost sensors Southern Region, Malawi
118.07.9×
4Bhāgalpur Bihar, India
96.36.4×
5Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan
81.15.4×
6Gujranwala low-cost sensors Punjab, Pakistan
70.04.7×
7Lucknow Uttar Pradesh, India
60.54.0×
8Baddi Himachal Pradesh, India
60.44.0×
9Sialkot low-cost sensors Punjab, Pakistan
56.83.8×
10Faisalabad low-cost sensors Punjab, Pakistan
56.03.7×
10Gaya Bihar, India
56.03.7×
12Chittoor Andhra Pradesh, India
55.23.7×
13Madikeri Karnataka, India
53.73.6×
14Gummidipundi Tamil Nadu, India
52.03.5×
15Nalbāri Assam, India
51.73.4×
16Mangaluru Karnataka, India
50.83.4×
17Multan low-cost sensors Punjab, Pakistan
50.03.3×
18Morādābād Uttar Pradesh, India
49.93.3×
19Saugor Madhya Pradesh, India
47.83.2×
20Bānswāra Rajasthan, India
46.73.1×
21Kanpur Uttar Pradesh, India
46.63.1×
22Muzaffarnagar Uttar Pradesh, India
46.43.1×
23Lahore low-cost sensors Punjab, Pakistan
46.13.1×
24Rawalpindi low-cost sensors Punjab, Pakistan
46.03.1×
25Meerut Uttar Pradesh, India
45.53.0×
26Quetta low-cost sensors Balochistan, Pakistan
44.73.0×
27Greater Noida Uttar Pradesh, India
44.63.0×
28Gwalior Madhya Pradesh, India
44.53.0×
29Chandigarh Chandigarh, India
43.62.9×
30Bāghpat Uttar Pradesh, India
42.82.9×
31Bhiwadi Rajasthan, India
42.52.8×
32Singrauli Madhya Pradesh, India
42.12.8×
33Jalandhar Punjab, India
41.22.7×
34Hāpur Uttar Pradesh, India
40.32.7×
35Bharatpur Rajasthan, India
39.82.7×
36Tonk Rajasthan, India
39.72.6×
37Joda Odisha, India
39.52.6×
38Narela Delhi, India
39.02.6×
39Patna Bihar, India
38.52.6×
39Aya Nagar Delhi, India
38.52.6×
41Dādri Uttar Pradesh, India
38.32.6×
42Buxar Bihar, India
38.02.5×
43Ropar Punjab, India
37.42.5×
44Tirupati Andhra Pradesh, India
37.22.5×
45Noida Uttar Pradesh, India
36.02.4×
46Anantapur Andhra Pradesh, India
35.42.4×
47Delhi Delhi, India
35.32.4×
47Kolkata West Bengal, India
35.32.4×
49Ghāziābād Uttar Pradesh, India
34.82.3×
50Bhubaneswar Odisha, India
34.72.3×
51Chittorgarh Rajasthan, India
34.52.3×
52Nagpur Maharashtra, India
33.62.2×
53Nagaon Assam, India
33.42.2×
54Sri Ganganagar Rajasthan, India
33.32.2×
55Jalgaon Maharashtra, India
33.22.2×
56Baripāda Odisha, India
33.12.2×
57Dubai low-cost sensors Dubai, United Arab Emirates
32.92.2×
57Angul Odisha, India
32.92.2×
59Hyderabad Telangana, India
32.62.2×
60Bahawalpur low-cost sensors Punjab, Pakistan
32.42.2×
61Siwān Bihar, India
32.22.1×
62Rishīkesh Uttarakhand, India
32.02.1×
63Arāria Bihar, India
31.92.1×
64Serilingampalle Telangana, India
31.82.1×
65Yellowknife low-cost sensors Northwest Territories, Canada
31.32.1×
65Quthbullapur Telangana, India
31.32.1×
67Jaipur Rajasthan, India
31.02.1×
67Jabalpur Madhya Pradesh, India
31.02.1×
69Aurangabad Maharashtra, India
30.42.0×
70Vereeniging low-cost sensors Gauteng, South Africa
29.52.0×
71Kota Rajasthan, India
29.21.9×
71Ankleshwar Gujarat, India
29.21.9×
73Royal Oak low-cost sensors Michigan, United States
29.11.9×
74Hanumāngarh Rajasthan, India
28.51.9×
74Dausa Rajasthan, India
28.51.9×
76Kalyān Maharashtra, India
28.31.9×
77Nashik Maharashtra, India
27.81.9×
77Najafgarh Delhi, India
27.81.9×
77Āsansol West Bengal, India
27.81.9×
77Vapi Gujarat, India
27.81.9×
81Sirohi Rajasthan, India
27.01.8×
82Agra Uttar Pradesh, India
26.81.8×
82Kathmandu low-cost sensors Bagmati Province, Nepal
26.81.8×
84Rourkela Odisha, India
26.71.8×
85Durgapur West Bengal, India
26.21.7×
86Prayagraj Uttar Pradesh, India
26.11.7×
87Patiāla Punjab, India
25.91.7×
88Byasanagar Odisha, India
25.61.7×
89Harare low-cost sensors Harare, Zimbabwe
25.51.7×
89Shakaskraal low-cost sensors KwaZulu-Natal, South Africa
25.51.7×
91Ajmer Rajasthan, India
25.41.7×
92Jhālāwār Rajasthan, India
25.31.7×
93Sawai Madhopur Rajasthan, India
25.01.7×
94Bārān Rajasthan, India
24.91.7×
94Lagos low-cost sensors Lagos, Nigeria
24.91.7×
96Mohali Punjab, India
24.81.7×
97Coimbatore Tamil Nadu, India
24.51.6×
98Bhopal Madhya Pradesh, India
24.31.6×
98San Francisco Tlalcilalcalpan México, Mexico
24.31.6×
100Sunnyside Washington, United States
24.01.6×
101Bhilai Chhattisgarh, India
23.81.6×
102Addis Ababa Addis Ababa, Ethiopia
23.71.6×
103Naharlagun Arunachal Pradesh, India
23.61.6×
104Bhilwara Rajasthan, India
23.41.6×
105Ashaiman low-cost sensors Greater Accra, Ghana
23.31.6×
105Cholula Puebla, Mexico
23.31.6×
107Islamabad low-cost sensors Islamabad, Pakistan
23.21.5×
108Wan Chai Wan Chai, Hong Kong
23.01.5×
109Beigang Taiwan, Taiwan
22.61.5×
110Shrīrāmpur West Bengal, India
22.31.5×
110Badlapur Maharashtra, India
22.31.5×
112Vijayapura Karnataka, India
22.21.5×
113Haldia West Bengal, India
22.11.5×
114Parbhani Maharashtra, India
22.01.5×
114Fengshan Takao, Taiwan
22.01.5×
116Istanbul low-cost sensors Istanbul, Turkey
21.91.5×
117Rānīganj West Bengal, India
21.61.4×
117Kharghar Maharashtra, India
21.61.4×
117Neelankarai Tamil Nadu, India
21.61.4×
120Agüimes Canary Islands, Spain
21.21.4×
121Karachi low-cost sensors Sindh, Pakistan
21.11.4×
122Amravati Maharashtra, India
21.01.4×
122Douliu Taiwan, Taiwan
21.01.4×
124Silchar Assam, India
20.91.4×
124Bengaluru Karnataka, India
20.91.4×
126Taibao Taiwan, Taiwan
20.71.4×
126Santa Catarina Nuevo León, Mexico
20.71.4×
128Hubballi Karnataka, India
20.61.4×
129Ingenio Canary Islands, Spain
20.31.4×
130Sīkar Rajasthan, India
20.01.3×
130Shivamogga Karnataka, India
20.01.3×
132Malegaon Maharashtra, India
19.91.3×
133Panvel Maharashtra, India
19.61.3×
134Tainan Taiwan, Taiwan
19.51.3×
135Raipur Chhattisgarh, India
19.31.3×
135Gandhinagar Gujarat, India
19.31.3×
135Chānda Maharashtra, India
19.31.3×
138Boisar Maharashtra, India
19.11.3×
139Bhiwandi Maharashtra, India
19.01.3×
140Tema low-cost sensors Greater Accra, Ghana
18.91.3×
141Chennai Tamil Nadu, India
18.61.2×
142Tulare low-cost sensors California, United States
18.51.2×
143San Salvador Tizatlalli México, Mexico
18.41.2×
144Nandri Rajasthan, India
18.11.2×
145Xinying Taiwan, Taiwan
17.91.2×
146Akola Maharashtra, India
17.81.2×
146Prince Albert Saskatchewan, Canada
17.81.2×
148Mahād Maharashtra, India
17.71.2×
148Ahmedabad Gujarat, India
17.71.2×
148Sundsvall Västernorrland, Sweden
17.71.2×
151Zapopan Jalisco, Mexico
17.61.2×
152Sukuta low-cost sensors Western, Gambia
17.51.2×
153Jaisalmer Rajasthan, India
17.41.2×
153Arrah Bihar, India
17.41.2×
155Durg Chhattisgarh, India
17.31.2×
155Accra low-cost sensors Greater Accra, Ghana
17.31.2×
157Dūngarpur Rajasthan, India
17.21.1×
158Gudalur Tamil Nadu, India
17.11.1×
158Chiayi City Taiwan, Taiwan
17.11.1×
160Jhunjhunūn Rajasthan, India
16.91.1×
160Bielsko-Biala Silesia, Poland
16.91.1×
162Kolhāpur Maharashtra, India
16.61.1×
162Milan Lombardy, Italy
16.61.1×
164Perundurai Tamil Nadu, India
16.51.1×
164Maspalomas Canary Islands, Spain
16.51.1×
166Erlun Taiwan, Taiwan
16.31.1×
166Medina Estates low-cost sensors Greater Accra, Ghana
16.31.1×
166Jastrzębie Zdrój Silesia, Poland
16.31.1×
169Pratāpgarh Rajasthan, India
16.21.1×
169Sarajevo Federation of B&H, Bosnia and Herzegovina
16.21.1×
171Rājsamand Rajasthan, India
15.91.1×
171Jalor Rajasthan, India
15.91.1×
171Tijuana Baja California, Mexico
15.91.1×
174Tin Shui Wai Yuen Long, Hong Kong
15.81.1×
174Yakima Washington, United States
15.81.1×
176Yongkang Taiwan, Taiwan
15.71.0×
177Bikaner Rajasthan, India
15.61.0×
177Kaohsiung Takao, Taiwan
15.61.0×
179Yuanlin Taiwan, Taiwan
15.51.0×
179Zhushan Taiwan, Taiwan
15.51.0×
179Wenatchee Washington, United States
15.51.0×
182Pune Maharashtra, India
15.41.0×
182Mumbai Maharashtra, India
15.41.0×
182Saltillo Coahuila, Mexico
15.41.0×
185Nanded Maharashtra, India
15.11.0×
186Tetovo Tetovo, North Macedonia
15.01.0×
187Naucalpan de Juárez México, Mexico
14.91.0×
187Tlaquepaque Jalisco, Mexico
14.91.0×
187Bakersfield California, United States
14.91.0×
187Regina Saskatchewan, Canada
14.91.0×
191Puebla Puebla, Mexico
14.61.0×
192Trebišov Košice Region, Slovakia
14.51.0×
192Aberdeen Southern District, Hong Kong
14.51.0×
192Cuernavaca Morelos, Mexico
14.51.0×
192Saskatoon Saskatchewan, Canada
14.51.0×
196Tuen Mun Tuen Mun, Hong Kong
14.20.9×
197Hacienda Santa Fe Jalisco, Mexico
14.10.9×
198Nāgaur Rajasthan, India
14.00.9×
198Monterrey Nuevo León, Mexico
14.00.9×
200San Tung Chung Hang Islands, Hong Kong
13.90.9×

Top 200 of 2,308 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