SmogRank / History / September 18, 2026

Most polluted cities on September 18, 2026

2,421 cities ranked by their average PM2.5 over the day. Each city's own local calendar day.

← September 17, 2026September 19, 2026 →
#City µg/m³× WHO
1Kuala Lumpur low-cost sensors Kuala Lumpur, Malaysia
120.08.0×
2Saharsa Bihar, India
72.74.8×
3Kinshasa low-cost sensors Kinshasa, Democratic Republic of the Congo
72.44.8×
4Saltillo Coahuila, Mexico
68.74.6×
5Harare low-cost sensors Harare, Zimbabwe
66.34.4×
6Kampala low-cost sensors Central Region, Uganda
65.84.4×
7Dhaka low-cost sensors Dhaka Division, Bangladesh
65.54.4×
8Dubai low-cost sensors Dubai, United Arab Emirates
60.94.1×
9Lahore low-cost sensors Punjab, Pakistan
56.13.7×
10Faisalabad low-cost sensors Punjab, Pakistan
55.23.7×
11Dera Māndi Delhi, India
54.53.6×
12Saint-Louis low-cost sensors Saint-Louis, Senegal
53.93.6×
13Blantyre low-cost sensors Southern Region, Malawi
53.83.6×
14Noida Uttar Pradesh, India
51.73.4×
15Bhiwadi Rajasthan, India
51.33.4×
16Byasanagar Odisha, India
50.23.3×
17Lilongwe low-cost sensors Central Region, Malawi
49.63.3×
18Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan
47.43.2×
19Rasapūdipalem Andhra Pradesh, India
46.43.1×
20Gujranwala low-cost sensors Punjab, Pakistan
46.23.1×
21Yamuna Nagar Haryana, India
45.63.0×
21Tabanan low-cost sensors Bali, Indonesia
45.63.0×
23Kaithal Haryana, India
44.83.0×
24Multan low-cost sensors Punjab, Pakistan
44.33.0×
25Cuttack Odisha, India
43.92.9×
26Jammu low-cost sensors Jammu and Kashmir, India
43.52.9×
26Durgapur West Bengal, India
43.52.9×
28Kadapa Andhra Pradesh, India
41.82.8×
28Chittoor Andhra Pradesh, India
41.82.8×
30Dhāruhera Haryana, India
41.42.8×
31Ambāla Haryana, India
40.52.7×
32Tirupati Andhra Pradesh, India
40.32.7×
33Bhāgalpur Bihar, India
40.12.7×
34Faridabad Haryana, India
39.22.6×
35Ubud low-cost sensors Bali, Indonesia
38.92.6×
36Bahawalpur low-cost sensors Punjab, Pakistan
37.72.5×
37Morādābād Uttar Pradesh, India
37.32.5×
38Zomba low-cost sensors Southern Region, Malawi
37.02.5×
39Sri Ganganagar Rajasthan, India
35.72.4×
40Nalbāri Assam, India
35.62.4×
41Shrīrāmpur West Bengal, India
35.42.4×
42Hāpur Uttar Pradesh, India
34.52.3×
42Queenstown Estate low-cost sensors Singapore
34.52.3×
44Gurugram Haryana, India
34.42.3×
45Jalandhar Punjab, India
34.32.3×
46Sonīpat Haryana, India
34.12.3×
47San Luis Potosí San Luis Potosí, Mexico
34.02.3×
48Dalung low-cost sensors Bali, Indonesia
33.92.3×
49Rawalpindi low-cost sensors Punjab, Pakistan
33.72.2×
49Bahadurgarh Haryana, India
33.72.2×
51Anantapur Andhra Pradesh, India
33.62.2×
52Vijayawada Andhra Pradesh, India
33.32.2×
52Joda Odisha, India
33.32.2×
54Angul Odisha, India
32.82.2×
55Butwāl low-cost sensors Lumbini Province, Nepal
32.72.2×
56Dādri Uttar Pradesh, India
32.62.2×
56Tuxtla Chiapas, Mexico
32.62.2×
58Hājīpur Bihar, India
32.52.2×
58Baripāda Odisha, India
32.52.2×
58Ankleshwar Gujarat, India
32.52.2×
61Rahim Yar Khan low-cost sensors Punjab, Pakistan
32.12.1×
61Ghāziābād Uttar Pradesh, India
32.12.1×
63Rānīganj West Bengal, India
31.82.1×
64Denpasar low-cost sensors Bali, Indonesia
31.52.1×
65Thānesar Haryana, India
31.42.1×
66Sialkot low-cost sensors Punjab, Pakistan
31.02.1×
67Kolkata West Bengal, India
30.62.0×
68Lucknow Uttar Pradesh, India
30.52.0×
69Dushanbe Dushanbe, Tajikistan
30.42.0×
69Mangaluru Karnataka, India
30.42.0×
71Delhi Delhi, India
30.12.0×
71Begusarai Bihar, India
30.12.0×
73Patna Bihar, India
30.02.0×
74Karachi low-cost sensors Sindh, Pakistan
29.92.0×
75Alipur low-cost sensors Islamabad, Pakistan
29.72.0×
76Kathmandu low-cost sensors Bagmati Province, Nepal
29.21.9×
77Meerut Uttar Pradesh, India
29.01.9×
77Chānda Maharashtra, India
29.01.9×
79Hyderabad Telangana, India
28.81.9×
79Undera Gujarat, India
28.81.9×
81Sīkar Rajasthan, India
28.71.9×
82Kalyān Maharashtra, India
28.51.9×
83Kanpur Uttar Pradesh, India
28.41.9×
83Bhubaneswar Odisha, India
28.41.9×
85Quetta low-cost sensors Balochistan, Pakistan
28.21.9×
86Hacienda Santa Fe Jalisco, Mexico
28.01.9×
87Singapore low-cost sensors Singapore
27.91.9×
88Hyderabad low-cost sensors Sindh, Pakistan
27.61.8×
89Haldia West Bengal, India
27.51.8×
90Narela Delhi, India
27.31.8×
91Parbhani Maharashtra, India
27.11.8×
92Burunday low-cost sensors Almaty Region, Kazakhstan
26.61.8×
93Muzaffarnagar Uttar Pradesh, India
26.51.8×
93Agartala Tripura, India
26.51.8×
95Arāria Bihar, India
26.21.7×
96Bhiwāni Haryana, India
25.91.7×
97Târgu Mureş low-cost sensors Mureș County, Romania
25.61.7×
97Ashaiman low-cost sensors Greater Accra, Ghana
25.61.7×
99Nanded Maharashtra, India
25.51.7×
99Bhilwara Rajasthan, India
25.51.7×
101Āsansol West Bengal, India
25.21.7×
102Karnāl Haryana, India
24.81.7×
102Dausa Rajasthan, India
24.81.7×
104Islamabad low-cost sensors Islamabad, Pakistan
24.71.6×
105Wan Chai Wan Chai, Hong Kong
24.61.6×
106Rairangpur Odisha, India
24.31.6×
106Hubballi Karnataka, India
24.31.6×
108Jaipur Rajasthan, India
24.11.6×
108Nikšić Opština Nikšić, Montenegro
24.11.6×
108Amaravati Andhra Pradesh, India
24.11.6×
111Raipur Chhattisgarh, India
23.51.6×
112Chennai Tamil Nadu, India
23.31.6×
113Rourkela Odisha, India
23.21.5×
113Būndi Rajasthan, India
23.21.5×
115Istanbul low-cost sensors Istanbul, Turkey
23.01.5×
115Brikama low-cost sensors Western, Gambia
23.01.5×
115Aya Nagar Delhi, India
23.01.5×
118Iloilo low-cost sensors Western Visayas, Philippines
22.71.5×
119Nagpur Maharashtra, India
22.61.5×
120Shivamogga Karnataka, India
22.51.5×
121Thāne Maharashtra, India
22.41.5×
121Silchar Assam, India
22.41.5×
121Ibadan low-cost sensors Oyo State, Nigeria
22.41.5×
124Murree low-cost sensors Punjab, Pakistan
22.01.5×
124Gaya Bihar, India
22.01.5×
126Beitbridge low-cost sensors Matabeleland South Province, Zimbabwe
21.91.5×
126Vereeniging low-cost sensors Gauteng, South Africa
21.91.5×
126Kotli Loharan low-cost sensors Punjab, Pakistan
21.91.5×
126Beigang Taiwan, Taiwan
21.91.5×
126Lagos low-cost sensors Lagos, Nigeria
21.91.5×
131Asunción low-cost sensors Asuncion, Paraguay
21.81.5×
132Quezon City low-cost sensors National Capital Region, Philippines
21.71.4×
132Douala low-cost sensors Littoral, Cameroon
21.71.4×
134Bareilly Uttar Pradesh, India
21.41.4×
134Otegen Batyra low-cost sensors Almaty Region, Kazakhstan
21.41.4×
136Bhilai Chhattisgarh, India
21.31.4×
137Malegaon Maharashtra, India
21.11.4×
138Keonjhargarh Odisha, India
21.01.4×
138Bāghpat Uttar Pradesh, India
21.01.4×
140Jhālāwār Rajasthan, India
20.91.4×
140Wadgaon Kolhati Maharashtra, India
20.91.4×
142Ahmedabad Gujarat, India
20.81.4×
143Zhushan Taiwan, Taiwan
20.71.4×
144Douliu Taiwan, Taiwan
20.61.4×
144Calexico California, United States
20.61.4×
146Erlin Taiwan, Taiwan
20.51.4×
147Yongkang Taiwan, Taiwan
20.41.4×
148Erlun Taiwan, Taiwan
20.31.4×
149Vapi Gujarat, India
20.11.3×
150Siwān Bihar, India
20.01.3×
151Taibao Taiwan, Taiwan
19.81.3×
151Xinying Taiwan, Taiwan
19.81.3×
153Tema low-cost sensors Greater Accra, Ghana
19.71.3×
154Chiayi City Taiwan, Taiwan
19.61.3×
155Addis Ababa Addis Ababa, Ethiopia
19.51.3×
156Hanumāngarh Rajasthan, India
19.41.3×
156Tainan Taiwan, Taiwan
19.41.3×
158Quthbullapur Telangana, India
19.21.3×
158Kharghar Maharashtra, India
19.21.3×
160Tin Shui Wai Yuen Long, Hong Kong
19.11.3×
161Yuanlin Taiwan, Taiwan
19.01.3×
162Gudalur Tamil Nadu, India
18.91.3×
163Mong Kok Yau Tsim Mong District, Hong Kong
18.81.3×
164Mzuzu low-cost sensors Northern Region, Malawi
18.71.2×
164Alcalá de Guadaira Andalusia, Spain
18.71.2×
166Naharlagun Arunachal Pradesh, India
18.61.2×
167Saugor Madhya Pradesh, India
18.51.2×
168Jalgaon Maharashtra, India
18.41.2×
168Ajmer Rajasthan, India
18.41.2×
170Otwock Mazovia, Poland
18.31.2×
171Akola Maharashtra, India
18.21.2×
171Fengshan Takao, Taiwan
18.21.2×
173Taichung Taiwan, Taiwan
18.01.2×
174Bhopal Madhya Pradesh, India
17.91.2×
175Sham Shui Po Sham Shui Po District, Hong Kong
17.81.2×
175San Tung Chung Hang Islands, Hong Kong
17.81.2×
175Adenta low-cost sensors Greater Accra, Ghana
17.81.2×
178Aurangabad Maharashtra, India
17.71.2×
178Accra low-cost sensors Greater Accra, Ghana
17.71.2×
178San Pedro Sula low-cost sensors Cortés Department, Honduras
17.71.2×
178Santa Anita Jalisco, Mexico
17.71.2×
178Granite City Illinois, United States
17.71.2×
183Dūngarpur Rajasthan, India
17.61.2×
183Bailén Andalusia, Spain
17.61.2×
183San Francisco Tlalcilalcalpan México, Mexico
17.61.2×
186Tonk Rajasthan, India
17.51.2×
186Nantou Taiwan, Taiwan
17.51.2×
188Sirsa Haryana, India
17.41.2×
188Medina Estates low-cost sensors Greater Accra, Ghana
17.41.2×
190Bengaluru Karnataka, India
17.31.2×
191Agra Uttar Pradesh, India
17.21.1×
191Fanling North District, Hong Kong
17.21.1×
193Pune Maharashtra, India
17.11.1×
193Pratāpgarh Rajasthan, India
17.11.1×
193Changhua Taiwan, Taiwan
17.11.1×
196Xizhou Taiwan, Taiwan
17.01.1×
197Puli Taiwan, Taiwan
16.81.1×
197Lugu Taiwan, Taiwan
16.81.1×
197Macon Georgia, United States
16.81.1×
200Sāngli Maharashtra, India
16.71.1×

Top 200 of 2,421 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