SmogRank / History / September 17, 2026

Most polluted cities on September 17, 2026

2,328 cities ranked by their average PM2.5 over the day. Each city's own local calendar day.

← September 16, 2026September 18, 2026 →
#City µg/m³× WHO
1Saint-Louis low-cost sensors Saint-Louis, Senegal
231.915.5×
2Kuala Lumpur low-cost sensors Kuala Lumpur, Malaysia
98.16.5×
3Harare low-cost sensors Harare, Zimbabwe
94.56.3×
4Dera Māndi Delhi, India
74.35.0×
5Yamuna Nagar Haryana, India
61.94.1×
6Lilongwe low-cost sensors Central Region, Malawi
61.84.1×
7Byasanagar Odisha, India
59.23.9×
8Durgapur West Bengal, India
57.23.8×
8Dādri Uttar Pradesh, India
57.23.8×
10Kinshasa low-cost sensors Kinshasa, Democratic Republic of the Congo
56.03.7×
11Noida Uttar Pradesh, India
54.23.6×
12Dubai low-cost sensors Dubai, United Arab Emirates
53.73.6×
12Dhaka low-cost sensors Dhaka Division, Bangladesh
53.73.6×
14Beitbridge low-cost sensors Matabeleland South Province, Zimbabwe
53.53.6×
15Kampala low-cost sensors Central Region, Uganda
52.13.5×
16Chāpra Bihar, India
51.83.5×
17Chittoor Andhra Pradesh, India
51.33.4×
18Queenstown Estate low-cost sensors Singapore
51.03.4×
19Joda Odisha, India
50.83.4×
20Greater Noida Uttar Pradesh, India
50.73.4×
21Barbil Odisha, India
49.83.3×
22Hāpur Uttar Pradesh, India
47.13.1×
23Morādābād Uttar Pradesh, India
46.03.1×
24Bahadurgarh Haryana, India
45.93.1×
25Bhiwadi Rajasthan, India
43.82.9×
26Raipur Chhattisgarh, India
43.72.9×
27Amaravati Andhra Pradesh, India
43.42.9×
28Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan
43.32.9×
29Dhāruhera Haryana, India
42.72.8×
30Ghāziābād Uttar Pradesh, India
42.62.8×
31Vereeniging low-cost sensors Gauteng, South Africa
42.52.8×
31Delhi Delhi, India
42.52.8×
33Kaithal Haryana, India
41.22.7×
34Sonīpat Haryana, India
40.62.7×
35Aya Nagar Delhi, India
40.32.7×
36Nagaon Assam, India
39.92.7×
37Singapore low-cost sensors Singapore
39.62.6×
38Multan low-cost sensors Punjab, Pakistan
39.42.6×
38Muzaffarnagar Uttar Pradesh, India
39.42.6×
40Kadapa Andhra Pradesh, India
39.32.6×
41Butwāl low-cost sensors Lumbini Province, Nepal
39.02.6×
42Ambāla Haryana, India
38.82.6×
43Blantyre low-cost sensors Southern Region, Malawi
38.72.6×
44Vijayawada Andhra Pradesh, India
37.62.5×
45Ankleshwar Gujarat, India
37.52.5×
46Hyderabad low-cost sensors Sindh, Pakistan
37.32.5×
47Lucknow Uttar Pradesh, India
36.52.4×
48Narela Delhi, India
36.22.4×
49Nanded Maharashtra, India
36.12.4×
50Zomba low-cost sensors Southern Region, Malawi
35.52.4×
51Baripāda Odisha, India
35.22.3×
52Thānesar Haryana, India
34.82.3×
52Rasapūdipalem Andhra Pradesh, India
34.82.3×
54Gujranwala low-cost sensors Punjab, Pakistan
34.12.3×
54Kalyān Maharashtra, India
34.12.3×
56San Luis Potosí San Luis Potosí, Mexico
34.02.3×
57Jalandhar Punjab, India
33.62.2×
58Jhālāwār Rajasthan, India
33.22.2×
58Faridabad Haryana, India
33.22.2×
58Bhilwara Rajasthan, India
33.22.2×
58Bhilai Chhattisgarh, India
33.22.2×
62Quezon City low-cost sensors National Capital Region, Philippines
32.82.2×
63Rahim Yar Khan low-cost sensors Punjab, Pakistan
32.52.2×
64Dushanbe Dushanbe, Tajikistan
32.42.2×
64Undera Gujarat, India
32.42.2×
66Nagpur Maharashtra, India
32.22.1×
67Haldia West Bengal, India
32.12.1×
68Parbhani Maharashtra, India
31.82.1×
69Karachi low-cost sensors Sindh, Pakistan
31.52.1×
69Faisalabad low-cost sensors Punjab, Pakistan
31.52.1×
69Anantapur Andhra Pradesh, India
31.52.1×
72Gurugram Haryana, India
31.42.1×
73Shrīrāmpur West Bengal, India
30.82.1×
74Malegaon Maharashtra, India
30.32.0×
74Ubud low-cost sensors Bali, Indonesia
30.32.0×
76Tabanan low-cost sensors Bali, Indonesia
29.92.0×
77Sīkar Rajasthan, India
29.82.0×
78Bhiwāni Haryana, India
29.72.0×
78Tuxtla Chiapas, Mexico
29.72.0×
80Kolkata West Bengal, India
29.62.0×
81Arāria Bihar, India
29.32.0×
82Lahore low-cost sensors Punjab, Pakistan
29.11.9×
82Jammu low-cost sensors Jammu and Kashmir, India
29.11.9×
84Kathmandu low-cost sensors Bagmati Province, Nepal
28.91.9×
85Hyderabad Telangana, India
28.81.9×
85Chittorgarh Rajasthan, India
28.81.9×
87Dūngarpur Rajasthan, India
28.71.9×
87Arrah Bihar, India
28.71.9×
89Pratāpgarh Rajasthan, India
28.51.9×
90Rairangpur Odisha, India
28.31.9×
91Chānda Maharashtra, India
28.01.9×
92Rānīganj West Bengal, India
27.91.9×
92Keonjhargarh Odisha, India
27.91.9×
92Hājīpur Bihar, India
27.91.9×
95Hacienda Santa Fe Jalisco, Mexico
27.81.9×
96Bahawalpur low-cost sensors Punjab, Pakistan
27.41.8×
96Najafgarh Delhi, India
27.41.8×
98Begusarai Bihar, India
27.31.8×
99Mzuzu low-cost sensors Northern Region, Malawi
27.01.8×
99Thiès low-cost sensors Thies, Senegal
27.01.8×
101Angul Odisha, India
26.71.8×
102Jalgaon Maharashtra, India
26.61.8×
103Agartala Tripura, India
26.51.8×
104Phuntsholing low-cost sensors Chukha, Bhutan
26.21.7×
105Būndi Rajasthan, India
25.91.7×
106Ahmedabad Gujarat, India
25.51.7×
107Quetta low-cost sensors Balochistan, Pakistan
25.31.7×
107Panchkula Haryana, India
25.31.7×
109Aurangabad Maharashtra, India
25.21.7×
110Wan Chai Wan Chai, Hong Kong
24.71.6×
110Huelva Andalusia, Spain
24.71.6×
112Karonga low-cost sensors Northern Region, Malawi
24.61.6×
113Cuttack Odisha, India
24.51.6×
114Bāghpat Uttar Pradesh, India
24.41.6×
115Srinagar Jammu and Kashmir, India
24.21.6×
116Addis Ababa Addis Ababa, Ethiopia
24.01.6×
116Karagandy low-cost sensors Karaganda, Kazakhstan
24.01.6×
116Santa Anita Jalisco, Mexico
24.01.6×
119Nalbāri Assam, India
23.91.6×
119Dausa Rajasthan, India
23.91.6×
121Chennai Tamil Nadu, India
23.81.6×
121Asunción low-cost sensors Asuncion, Paraguay
23.81.6×
123Kanpur Uttar Pradesh, India
23.51.6×
123Durg Chhattisgarh, India
23.51.6×
125Sirohi Rajasthan, India
23.41.6×
125Izegem Flanders, Belgium
23.41.6×
127Āsansol West Bengal, India
23.11.5×
128Istanbul low-cost sensors Istanbul, Turkey
22.91.5×
128Rourkela Odisha, India
22.91.5×
130Karnāl Haryana, India
22.81.5×
130Gandhinagar Gujarat, India
22.81.5×
130Ibadan low-cost sensors Oyo State, Nigeria
22.81.5×
130Abuja low-cost sensors FCT, Nigeria
22.81.5×
130Nikšić Opština Nikšić, Montenegro
22.81.5×
135Tirumala Andhra Pradesh, India
22.71.5×
135Jaipur Rajasthan, India
22.71.5×
135Bhelai Chhattisgarh, India
22.71.5×
138Dalung low-cost sensors Bali, Indonesia
22.51.5×
139Sri Ganganagar Rajasthan, India
22.11.5×
140Bareilly Uttar Pradesh, India
21.71.4×
141Hubballi Karnataka, India
21.61.4×
141Burunday low-cost sensors Almaty Region, Kazakhstan
21.61.4×
143Akola Maharashtra, India
21.51.4×
144Patna Bihar, India
21.41.4×
145Jaisalmer Rajasthan, India
21.21.4×
146Sarajevo Federation of B&H, Bosnia and Herzegovina
20.91.4×
146Guadalajara Jalisco, Mexico
20.91.4×
148Smederevo Central Serbia, Serbia
20.61.4×
148Shivamogga Karnataka, India
20.61.4×
150Gudalur Tamil Nadu, India
20.51.4×
150Honmachi Kumamoto, Japan
20.51.4×
152Thāne Maharashtra, India
20.41.4×
152Silchar Assam, India
20.41.4×
154Quthbullapur Telangana, India
20.31.4×
155Sialkot low-cost sensors Punjab, Pakistan
20.21.3×
155Kota Rajasthan, India
20.21.3×
155Kharghar Maharashtra, India
20.21.3×
158Aguascalientes Aguascalientes, Mexico
20.01.3×
159Saltillo Coahuila, Mexico
19.91.3×
160Calexico California, United States
19.81.3×
161Mahād Maharashtra, India
19.71.3×
162Mong Kok Yau Tsim Mong District, Hong Kong
19.61.3×
162Lagos low-cost sensors Lagos, Nigeria
19.61.3×
164Rājsamand Rajasthan, India
19.51.3×
165Rājgīr Bihar, India
19.41.3×
165Gaya Bihar, India
19.41.3×
167Bhayandar Maharashtra, India
19.31.3×
167Ajmer Rajasthan, India
19.31.3×
167Tin Shui Wai Yuen Long, Hong Kong
19.31.3×
167Parque Industrial Ciudad Mitras Nuevo León, Mexico
19.31.3×
171Wadgaon Kolhati Maharashtra, India
19.11.3×
172Beirut low-cost sensors Beirut, Lebanon
18.91.3×
172Rawalpindi low-cost sensors Punjab, Pakistan
18.91.3×
174Sirsa Haryana, India
18.61.2×
175Dhaulpur Rajasthan, India
18.31.2×
176Dhule Maharashtra, India
18.21.2×
177Tlaquepaque Jalisco, Mexico
18.11.2×
178Hondomachi-hondo Kumamoto, Japan
18.01.2×
179Ashaiman low-cost sensors Greater Accra, Ghana
17.81.2×
179Mérida Yucatán, Mexico
17.81.2×
179Singrauli Madhya Pradesh, India
17.81.2×
182Pune Maharashtra, India
17.71.2×
182Badlapur Maharashtra, India
17.71.2×
182Tainan Taiwan, Taiwan
17.71.2×
182Zhushan Taiwan, Taiwan
17.71.2×
186Granite City Illinois, United States
17.61.2×
187Fengshan Takao, Taiwan
17.51.2×
187Marigot Saint Martin
17.51.2×
189San Tung Chung Hang Islands, Hong Kong
17.41.2×
189Kwai Chung Kwai Tsing District, Hong Kong
17.41.2×
191Kaohsiung Takao, Taiwan
17.21.1×
191Changchun low-cost sensors Jilin, China
17.21.1×
191Portsmouth Ohio, United States
17.21.1×
194Tonk Rajasthan, India
17.01.1×
194Chandigarh Chandigarh, India
17.01.1×
194Douliu Taiwan, Taiwan
17.01.1×
194Jincheng Fukien, Taiwan
17.01.1×
198Obrenovac Central Serbia, Serbia
16.91.1×
198Tai Po Tai Po, Hong Kong
16.91.1×
198Sham Shui Po Sham Shui Po District, Hong Kong
16.91.1×

Top 200 of 2,328 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