SmogRank / History / May 31, 2026

Most polluted cities on May 31, 2026

2,428 cities ranked by their average PM2.5 over the day. Each city's own local calendar day.

← May 30, 2026June 1, 2026 →
#City µg/m³× WHO
1Mangaluru Karnataka, India
121.08.1×
2Bhiwāni Haryana, India
106.07.1×
3Kinshasa low-cost sensors Kinshasa, Democratic Republic of the Congo
89.05.9×
4Faridabad Haryana, India
85.85.7×
5Chāpra Bihar, India
63.84.3×
6Bahadurgarh Haryana, India
59.64.0×
7Sonīpat Haryana, India
56.33.8×
8Hājīpur Bihar, India
55.73.7×
9Dhaka low-cost sensors Dhaka Division, Bangladesh
55.63.7×
10Vereeniging low-cost sensors Gauteng, South Africa
55.43.7×
11Dhāruhera Haryana, India
55.23.7×
12Baddi Himachal Pradesh, India
54.93.7×
13Vapi Gujarat, India
54.53.6×
14Gummidipundi Tamil Nadu, India
51.73.4×
15Jaisalmer Rajasthan, India
50.33.4×
16Latur Maharashtra, India
49.83.3×
17Angul Odisha, India
49.53.3×
18Kaithal Haryana, India
49.43.3×
19Kampala low-cost sensors Central Region, Uganda
47.53.2×
20Singrauli Madhya Pradesh, India
46.03.1×
21Rahim Yar Khan low-cost sensors Punjab, Pakistan
45.93.1×
22Tlaquepaque Jalisco, Mexico
45.83.1×
23Ropar Punjab, India
45.33.0×
24Bhiwadi Rajasthan, India
45.03.0×
25Karnāl Haryana, India
44.43.0×
26Kathmandu low-cost sensors Bagmati Province, Nepal
43.72.9×
27Rājgīr Bihar, India
43.52.9×
28Gujranwala low-cost sensors Punjab, Pakistan
42.72.8×
29Saharsa Bihar, India
42.12.8×
30Faisalabad low-cost sensors Punjab, Pakistan
41.72.8×
31Begusarai Bihar, India
41.12.7×
32Santa Anita - Los Ficus Lima region, Peru
40.82.7×
33Vijayawada Andhra Pradesh, India
40.72.7×
34Lima Lima Province, Peru
40.22.7×
35Jammu low-cost sensors Jammu and Kashmir, India
39.72.6×
36Kalyān Maharashtra, India
39.62.6×
37Ambāla Haryana, India
39.12.6×
38Nalbāri Assam, India
38.72.6×
39Dhaulpur Rajasthan, India
38.42.6×
40Sialkot low-cost sensors Punjab, Pakistan
36.82.5×
41Patna Bihar, India
36.62.4×
42Rourkela Odisha, India
36.12.4×
42Hacienda Santa Fe Jalisco, Mexico
36.12.4×
44Nagpur Maharashtra, India
36.02.4×
45Jhālāwār Rajasthan, India
35.72.4×
46Murree low-cost sensors Punjab, Pakistan
35.52.4×
46Bhiwandi Maharashtra, India
35.52.4×
48Nagaon Assam, India
35.42.4×
49Srinagar Jammu and Kashmir, India
35.32.4×
50Jharia Jharkhand, India
34.82.3×
51Gaya Bihar, India
34.22.3×
52Rasapūdipalem Andhra Pradesh, India
34.02.3×
52Mahād Maharashtra, India
34.02.3×
52Lagos low-cost sensors Lagos, Nigeria
34.02.3×
55Ajmer Rajasthan, India
33.82.3×
56San Francisco De Borja Lima region, Peru
33.72.2×
57Gyál Pest County, Hungary
33.62.2×
58Chittoor Andhra Pradesh, India
33.42.2×
59Brikama low-cost sensors Western, Gambia
33.02.2×
60Muzaffarnagar Uttar Pradesh, India
32.92.2×
60Tuxtla Chiapas, Mexico
32.92.2×
62Lahore low-cost sensors Punjab, Pakistan
32.72.2×
62Chānda Maharashtra, India
32.72.2×
64Dhule Maharashtra, India
32.52.2×
65Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan
32.12.1×
65Agra Uttar Pradesh, India
32.12.1×
67Jaipur Rajasthan, India
32.02.1×
68Arāria Bihar, India
31.92.1×
69Bāghpat Uttar Pradesh, India
31.82.1×
70Phuntsholing low-cost sensors Chukha, Bhutan
31.72.1×
70Sukuta low-cost sensors Western, Gambia
31.72.1×
72Jodhpur Rajasthan, India
31.52.1×
73Dubai low-cost sensors Dubai, United Arab Emirates
31.22.1×
73Beitbridge low-cost sensors Matabeleland South Province, Zimbabwe
31.22.1×
75Yamuna Nagar Haryana, India
31.12.1×
76Thānesar Haryana, India
30.82.1×
77Ibadan low-cost sensors Oyo State, Nigeria
30.72.0×
77Le Robert Martinique, Martinique
30.72.0×
77Le Lamentin Martinique, Martinique
30.72.0×
80Fort-de-France Martinique, Martinique
30.12.0×
81Akola Maharashtra, India
30.02.0×
82Badlapur Maharashtra, India
29.82.0×
83Ankleshwar Gujarat, India
29.52.0×
83Chikugo Fukuoka, Japan
29.52.0×
85Narela Delhi, India
29.32.0×
86Durgapur West Bengal, India
29.01.9×
86San Luis Potosí San Luis Potosí, Mexico
29.01.9×
88Gurugram Haryana, India
28.61.9×
88Vigo Galicia, Spain
28.61.9×
88Quthbullapur Telangana, India
28.61.9×
91Puebla Puebla, Mexico
28.51.9×
91Les Abymes Guadeloupe, Guadeloupe
28.51.9×
93Ciudad Nezahualcoyotl México, Mexico
28.31.9×
93Aya Nagar Delhi, India
28.31.9×
95Jalandhar Punjab, India
27.81.9×
96Ghāziābād Uttar Pradesh, India
27.51.8×
97Kadapa Andhra Pradesh, India
27.41.8×
97Tanushimarumachi-toyoki Fukuoka, Japan
27.41.8×
97Hekinan Aichi, Japan
27.41.8×
100Karachi low-cost sensors Sindh, Pakistan
27.21.8×
101Tirupati Andhra Pradesh, India
26.81.8×
101Hāpur Uttar Pradesh, India
26.81.8×
103Bānswāra Rajasthan, India
26.61.8×
103Aguascalientes Aguascalientes, Mexico
26.61.8×
105Calexico California, United States
26.51.8×
106Hita Oita, Japan
26.41.8×
107Lilongwe low-cost sensors Central Region, Malawi
26.31.8×
108Sasarām Bihar, India
26.21.7×
109Jalor Rajasthan, India
26.01.7×
110Islamabad low-cost sensors Islamabad, Pakistan
25.91.7×
110Haldia West Bengal, India
25.91.7×
110Ashaiman low-cost sensors Greater Accra, Ghana
25.91.7×
113Kurashiki Okayama, Japan
25.81.7×
114Multan low-cost sensors Punjab, Pakistan
25.61.7×
114Jalgaon Maharashtra, India
25.61.7×
114Kolkata West Bengal, India
25.61.7×
117Hyderabad Telangana, India
25.51.7×
118Lucknow Uttar Pradesh, India
25.31.7×
118Boisar Maharashtra, India
25.31.7×
120Mexico City Mexico City, Mexico
25.21.7×
121Gwalior Madhya Pradesh, India
25.11.7×
122Vientiane low-cost sensors Vientiane Prefecture, Laos
24.81.7×
123Kalaburagi Karnataka, India
24.71.6×
123Bhāgalpur Bihar, India
24.71.6×
125Keonjhargarh Odisha, India
24.51.6×
125Barbil Odisha, India
24.51.6×
127Ahmedabad Gujarat, India
24.41.6×
127Dakar low-cost sensors Dakar, Senegal
24.41.6×
129Shrīrāmpur West Bengal, India
24.31.6×
129Panchkula Haryana, India
24.31.6×
131Rawalpindi low-cost sensors Punjab, Pakistan
24.21.6×
131Thāne Maharashtra, India
24.21.6×
133Indore Madhya Pradesh, India
24.11.6×
134Chennai Tamil Nadu, India
23.61.6×
135Delhi Delhi, India
23.51.6×
135Khlong Luang low-cost sensors Pathum Thani, Thailand
23.51.6×
135Noida Uttar Pradesh, India
23.51.6×
138Parbhani Maharashtra, India
23.41.6×
138Undera Gujarat, India
23.41.6×
140Tonk Rajasthan, India
23.31.6×
140Trento Trentino-Alto Adige, Italy
23.31.6×
140Byasanagar Odisha, India
23.31.6×
143Hubballi Karnataka, India
23.21.5×
143Ōmuta Fukuoka, Japan
23.21.5×
145Kotō Kumamoto, Japan
23.11.5×
146Sholapur Maharashtra, India
23.01.5×
146Mixquiahuala de Juárez Hidalgo, Mexico
23.01.5×
148Bettiah Bihar, India
22.91.5×
149Chittorgarh Rajasthan, India
22.71.5×
150Rānīganj West Bengal, India
22.31.5×
151Aurangabad Maharashtra, India
22.21.5×
151Tula de Allende Hidalgo, Mexico
22.21.5×
153Dausa Rajasthan, India
22.11.5×
154Prayagraj Uttar Pradesh, India
21.91.5×
155Beirut low-cost sensors Beirut, Lebanon
21.71.4×
155Kanzakimachi-kanzaki Saga, Japan
21.71.4×
157Neelankarai Tamil Nadu, India
21.61.4×
158Hondomachi-hondo Kumamoto, Japan
21.51.4×
159Arao Kumamoto, Japan
21.41.4×
159Ukiha Fukuoka, Japan
21.41.4×
161Tema low-cost sensors Greater Accra, Ghana
21.11.4×
162Bhubaneswar Odisha, India
21.01.4×
162Ōyanomachi-noboritate Kumamoto, Japan
21.01.4×
164Tamana Kumamoto, Japan
20.91.4×
165Pimpri-Chinchwad Maharashtra, India
20.81.4×
166Kota Rajasthan, India
20.71.4×
166Guwahati Assam, India
20.71.4×
166Cuautla Morelos, Mexico
20.71.4×
169Istanbul low-cost sensors Istanbul, Turkey
20.61.4×
169Higashigō Saga, Japan
20.61.4×
171Bikaner Rajasthan, India
20.41.4×
171Zapopan Jalisco, Mexico
20.41.4×
173Bahawalpur low-cost sensors Punjab, Pakistan
20.21.3×
173Nanded Maharashtra, India
20.21.3×
175Sidon low-cost sensors South Governorate, Lebanon
20.11.3×
175Chiayi City Taiwan, Taiwan
20.11.3×
177Hyderabad low-cost sensors Sindh, Pakistan
20.01.3×
177Burunday low-cost sensors Almaty Region, Kazakhstan
20.01.3×
177Douliu Taiwan, Taiwan
20.01.3×
180Najafgarh Delhi, India
19.91.3×
180Callao Callao, Peru
19.91.3×
180Serilingampalle Telangana, India
19.91.3×
180Ogōri Fukuoka, Japan
19.91.3×
184Quezon City low-cost sensors National Capital Region, Philippines
19.71.3×
185Sōja Okayama, Japan
19.61.3×
185Cuernavaca Morelos, Mexico
19.61.3×
187Āsansol West Bengal, India
19.51.3×
187Zhushan Taiwan, Taiwan
19.51.3×
187Kikuchi Kumamoto, Japan
19.51.3×
187Kagoshima Kagoshima, Japan
19.51.3×
191Guadalajara Jalisco, Mexico
19.41.3×
191Naharlagun Arunachal Pradesh, India
19.41.3×
193Nashik Maharashtra, India
19.31.3×
193Cuttack Odisha, India
19.31.3×
193Bārmer Rajasthan, India
19.31.3×
193Salamanca Guanajuato, Mexico
19.31.3×
197Dushanbe Dushanbe, Tajikistan
19.21.3×
197Otegen Batyra low-cost sensors Almaty Region, Kazakhstan
19.21.3×
197Yongkang Taiwan, Taiwan
19.21.3×
197Uto Kumamoto, Japan
19.21.3×

Top 200 of 2,428 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