SmogRank / History / May 1, 2026

Most polluted cities on May 1, 2026

2,310 cities ranked by their average PM2.5 over the day. Each city's own local calendar day.

← April 30, 2026May 2, 2026 →
#City µg/m³× WHO
1Piedras Negras Coahuila, Mexico
986.065.7×
2Chāpra Bihar, India
194.012.9×
3Sonīpat Haryana, India
104.06.9×
4Hanumāngarh Rajasthan, India
81.15.4×
5San Francisco De Borja Lima region, Peru
80.85.4×
6Redmond low-cost sensors Washington, United States
77.85.2×
7Dera Māndi Delhi, India
75.25.0×
8Bahadurgarh Haryana, India
71.04.7×
9Singrauli Madhya Pradesh, India
69.04.6×
10Yamuna Nagar Haryana, India
67.74.5×
11Gurugram Haryana, India
66.24.4×
12Chānda Maharashtra, India
59.23.9×
13Jīnd Haryana, India
58.63.9×
14Lilongwe low-cost sensors Central Region, Malawi
57.23.8×
15Narela Delhi, India
56.53.8×
16Saharsa Bihar, India
54.63.6×
17Dhaka low-cost sensors Dhaka Division, Bangladesh
54.13.6×
18Rahim Yar Khan low-cost sensors Punjab, Pakistan
53.63.6×
19Faridabad Haryana, India
52.23.5×
20Dādri Uttar Pradesh, India
50.43.4×
21Karnāl Haryana, India
50.33.4×
22Multan low-cost sensors Punjab, Pakistan
49.73.3×
23Sholapur Maharashtra, India
49.23.3×
24Bahawalpur low-cost sensors Punjab, Pakistan
49.03.3×
25Jalgaon Maharashtra, India
48.63.2×
26Jammu low-cost sensors Jammu and Kashmir, India
48.53.2×
27Santa Anita - Los Ficus Lima region, Peru
48.33.2×
28Undera Gujarat, India
48.23.2×
29Ghāziābād Uttar Pradesh, India
46.93.1×
30Noida Uttar Pradesh, India
46.83.1×
31Bhiwadi Rajasthan, India
45.23.0×
32Jaipur Rajasthan, India
44.53.0×
33Bāghpat Uttar Pradesh, India
44.22.9×
34Lahore low-cost sensors Punjab, Pakistan
43.22.9×
35Bend Oregon, United States
41.92.8×
36Tirupati Andhra Pradesh, India
41.82.8×
37Begusarai Bihar, India
41.72.8×
38Chūru Rajasthan, India
40.82.7×
39Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan
40.52.7×
40Delhi Delhi, India
40.32.7×
41Agra Uttar Pradesh, India
40.22.7×
42Faisalabad low-cost sensors Punjab, Pakistan
40.12.7×
43Gummidipundi Tamil Nadu, India
40.02.7×
44Mahād Maharashtra, India
39.62.6×
44Hājīpur Bihar, India
39.62.6×
46Sialkot low-cost sensors Punjab, Pakistan
39.42.6×
47Blantyre low-cost sensors Southern Region, Malawi
39.02.6×
48San Salvador Tizatlalli México, Mexico
38.82.6×
49Nagpur Maharashtra, India
38.62.6×
49Vientiane low-cost sensors Vientiane Prefecture, Laos
38.62.6×
51Latur Maharashtra, India
37.92.5×
52Aya Nagar Delhi, India
37.82.5×
53Gwalior Madhya Pradesh, India
37.62.5×
53Uttaradit low-cost sensors Uttaradit, Thailand
37.62.5×
55Ajmer Rajasthan, India
37.22.5×
56Bānswāra Rajasthan, India
37.12.5×
56Anantapur Andhra Pradesh, India
37.12.5×
58Jhunjhunūn Rajasthan, India
36.72.4×
59Greiz Thuringia, Germany
36.02.4×
60Hyderabad Telangana, India
35.92.4×
61Lima Lima Province, Peru
35.82.4×
62Chrang Chamreh Muoy low-cost sensors Phnom Penh, Cambodia
35.42.4×
63Akola Maharashtra, India
35.22.3×
64Jalandhar Punjab, India
34.92.3×
64Calexico California, United States
34.92.3×
66Dhule Maharashtra, India
34.82.3×
67Kotli Loharan low-cost sensors Punjab, Pakistan
34.72.3×
68Dausa Rajasthan, India
34.62.3×
69Kampala low-cost sensors Central Region, Uganda
34.22.3×
70Burunday low-cost sensors Almaty Region, Kazakhstan
33.92.3×
70Altenburg Thuringia, Germany
33.92.3×
72Vijayawada Andhra Pradesh, India
33.52.2×
73Rājgīr Bihar, India
33.32.2×
73Jhālāwār Rajasthan, India
33.32.2×
75Karachi low-cost sensors Sindh, Pakistan
33.12.2×
75Gujranwala low-cost sensors Punjab, Pakistan
33.12.2×
75Bikaner Rajasthan, India
33.12.2×
78Callao Callao, Peru
32.82.2×
79Amravati Maharashtra, India
32.52.2×
80Kadapa Andhra Pradesh, India
32.42.2×
81Rourkela Odisha, India
32.22.1×
82Aurangabad Maharashtra, India
32.12.1×
83Nagaon Assam, India
32.02.1×
83Hradec Králové Hradec Králové Region, Czechia
32.02.1×
83Quthbullapur Telangana, India
32.02.1×
86Panchkula Haryana, India
31.82.1×
87Tehuacán Puebla, Mexico
31.32.1×
88Chiang Mai low-cost sensors Chiang Mai, Thailand
31.22.1×
88Otegen Batyra low-cost sensors Almaty Region, Kazakhstan
31.22.1×
88Khlong Luang low-cost sensors Pathum Thani, Thailand
31.22.1×
88San Luis Potosí San Luis Potosí, Mexico
31.22.1×
92Ahmedabad Gujarat, India
31.12.1×
93Lucknow Uttar Pradesh, India
30.92.1×
94Bhiwandi Maharashtra, India
30.82.1×
95Puebla Puebla, Mexico
30.62.0×
95Aguascalientes Aguascalientes, Mexico
30.62.0×
97Barbil Odisha, India
30.42.0×
98Thānesar Haryana, India
30.22.0×
99Dubai low-cost sensors Dubai, United Arab Emirates
30.12.0×
99Rawalpindi low-cost sensors Punjab, Pakistan
30.12.0×
99Ibadan low-cost sensors Oyo State, Nigeria
30.12.0×
102Nanded Maharashtra, India
30.02.0×
102Naucalpan de Juárez México, Mexico
30.02.0×
104Chittorgarh Rajasthan, India
29.92.0×
104Kathmandu low-cost sensors Bagmati Province, Nepal
29.92.0×
106Buxar Bihar, India
29.82.0×
106Mixquiahuala de Juárez Hidalgo, Mexico
29.82.0×
108Yadgir Karnataka, India
29.62.0×
109San Luis de la Paz Guanajuato, Mexico
29.52.0×
110Bhilwara Rajasthan, India
29.42.0×
111Parbhani Maharashtra, India
29.32.0×
111Wadgaon Kolhati Maharashtra, India
29.32.0×
113Bhopal Madhya Pradesh, India
29.21.9×
113Bārān Rajasthan, India
29.21.9×
115Coimbatore Tamil Nadu, India
29.11.9×
115Pachuca de Soto Hidalgo, Mexico
29.11.9×
117Palembang low-cost sensors South Sumatra, Indonesia
28.41.9×
118Hubballi Karnataka, India
28.31.9×
119Najafgarh Delhi, India
28.21.9×
120Karauli Rajasthan, India
28.11.9×
121Prayagraj Uttar Pradesh, India
27.81.9×
122Nashik Maharashtra, India
27.41.8×
122Traralgon Victoria, Australia
27.41.8×
122Mexico City Mexico City, Mexico
27.41.8×
125Sirohi Rajasthan, India
27.31.8×
125Kota Rajasthan, India
27.31.8×
125Bang Pakong low-cost sensors Chachoengsao, Thailand
27.31.8×
128Celaya Guanajuato, Mexico
27.21.8×
129Sai Mai low-cost sensors Bangkok, Thailand
27.01.8×
130Jalor Rajasthan, India
26.81.8×
131Islamabad low-cost sensors Islamabad, Pakistan
26.71.8×
132Meerut Uttar Pradesh, India
26.61.8×
133Indore Madhya Pradesh, India
26.51.8×
134San Pedro Sula low-cost sensors Cortés Department, Honduras
26.41.8×
135Tonk Rajasthan, India
26.31.8×
135Prague Prague, Czechia
26.31.8×
135Cuautla Morelos, Mexico
26.31.8×
135Pimpri-Chinchwad Maharashtra, India
26.31.8×
139Jaisalmer Rajasthan, India
25.81.7×
139Changchun low-cost sensors Jilin, China
25.81.7×
141Ban Khlong Prawet low-cost sensors Bangkok, Thailand
25.71.7×
142Zürich Zurich, Switzerland
25.51.7×
142Greater Noida Uttar Pradesh, India
25.51.7×
144Durgapur West Bengal, India
25.31.7×
144Mladá Boleslav Central Bohemia, Czechia
25.31.7×
146Bangkok low-cost sensors Bangkok, Thailand
25.11.7×
147Santiago de Querétaro Querétaro, Mexico
25.01.7×
148Hyderabad low-cost sensors Sindh, Pakistan
24.81.7×
148Pardubice Pardubice Region, Czechia
24.81.7×
150Jodhpur Rajasthan, India
24.61.6×
151Liberec Liberec Region, Czechia
24.51.6×
152Sri Ganganagar Rajasthan, India
24.31.6×
153Jounieh low-cost sensors Mount Lebanon, Lebanon
24.21.6×
153Kalyān Maharashtra, India
24.21.6×
155Pratāpgarh Rajasthan, India
24.11.6×
155Kanpur Uttar Pradesh, India
24.11.6×
155Joda Odisha, India
24.11.6×
158Guwahati Assam, India
23.91.6×
158Lagos low-cost sensors Lagos, Nigeria
23.91.6×
160Closepet Karnataka, India
23.71.6×
160Kalaburagi Karnataka, India
23.71.6×
162Tirumala Andhra Pradesh, India
23.61.6×
163Fengshan Takao, Taiwan
23.51.6×
164Belagavi Karnataka, India
23.41.6×
165Ashaiman low-cost sensors Greater Accra, Ghana
23.21.5×
166Irapuato Guanajuato, Mexico
23.11.5×
167Gandhinagar Gujarat, India
23.01.5×
167Stodůlky low-cost sensors Prague, Czechia
23.01.5×
169Panvel Maharashtra, India
22.91.5×
169Dūngarpur Rajasthan, India
22.91.5×
171Cuernavaca Morelos, Mexico
22.81.5×
172Pljevlja Pljevlja, Montenegro
22.71.5×
173Morelia Michoacán, Mexico
22.61.5×
174Būndi Rajasthan, India
22.51.5×
175Zomba low-cost sensors Southern Region, Malawi
22.41.5×
176Surat Gujarat, India
22.31.5×
176Zhushan Taiwan, Taiwan
22.31.5×
178Porsgrunn Telemark, Norway
22.21.5×
178Kharghar Maharashtra, India
22.21.5×
178Hacienda Santa Fe Jalisco, Mexico
22.21.5×
181León de los Aldama Guanajuato, Mexico
22.01.5×
182Karonga low-cost sensors Northern Region, Malawi
21.91.5×
182Tulancingo Hidalgo, Mexico
21.91.5×
182Guanajuato Guanajuato, Mexico
21.91.5×
185Perundurai Tamil Nadu, India
21.71.4×
185Tula de Allende Hidalgo, Mexico
21.71.4×
187San Juan del Río Querétaro, Mexico
21.61.4×
187San Miguel de Allende Guanajuato, Mexico
21.61.4×
189Sukuta low-cost sensors Western, Gambia
21.31.4×
190Chaozhou Taiwan, Taiwan
20.91.4×
190Zacatepec de Hidalgo Morelos, Mexico
20.91.4×
192Thāne Maharashtra, India
20.81.4×
192Nāgaur Rajasthan, India
20.81.4×
192Říčany low-cost sensors Central Bohemia, Czechia
20.81.4×
195Madikeri Karnataka, India
20.71.4×
195Ambāla Haryana, India
20.71.4×
197Pasadena low-cost sensors California, United States
20.61.4×
198Novi Pazar Central Serbia, Serbia
20.51.4×
199Serilingampalle Telangana, India
20.41.4×
199La Providencia Siglo XXI Hidalgo, Mexico
20.41.4×

Top 200 of 2,310 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