SmogRank / History / April 1, 2026

Most polluted cities on April 1, 2026

2,339 cities ranked by their average PM2.5 over the day. Each city's own local calendar day.

#City µg/m³× WHO
1Chiang Mai low-cost sensors Chiang Mai, Thailand
165.011.0×
2Vientiane low-cost sensors Vientiane Prefecture, Laos
138.09.2×
3Bhelai Chhattisgarh, India
104.06.9×
4Uttaradit low-cost sensors Uttaradit, Thailand
101.06.7×
5Singrauli Madhya Pradesh, India
94.56.3×
6Hājīpur Bihar, India
92.36.2×
7Keonjhargarh Odisha, India
83.15.5×
7Faridabad Haryana, India
83.15.5×
9Jalgaon Maharashtra, India
78.55.2×
10Sonīpat Haryana, India
72.24.8×
11Arāria Bihar, India
70.24.7×
12Byasanagar Odisha, India
69.34.6×
13Gurugram Haryana, India
69.14.6×
14Mangaluru Karnataka, India
66.54.4×
15Joda Odisha, India
66.44.4×
16Angul Odisha, India
65.64.4×
17Bhiwāni Haryana, India
65.04.3×
18Yamuna Nagar Haryana, India
61.44.1×
19Parbhani Maharashtra, India
60.64.0×
20Rahim Yar Khan low-cost sensors Punjab, Pakistan
60.54.0×
21Dhaka low-cost sensors Dhaka Division, Bangladesh
60.24.0×
22Noida Uttar Pradesh, India
59.44.0×
23Muzaffarnagar Uttar Pradesh, India
55.93.7×
24Barbil Odisha, India
52.53.5×
25Irákleion Crete, Greece
52.43.5×
26Rourkela Odisha, India
50.93.4×
26Gummidipundi Tamil Nadu, India
50.93.4×
28Patna Bihar, India
50.43.4×
29Baddi Himachal Pradesh, India
49.63.3×
30Ghāziābād Uttar Pradesh, India
49.43.3×
31Chānda Maharashtra, India
49.23.3×
32Dhāruhera Haryana, India
49.13.3×
33Hāpur Uttar Pradesh, India
48.53.2×
34Changchun low-cost sensors Jilin, China
48.33.2×
35Dera Māndi Delhi, India
48.23.2×
36Arrah Bihar, India
48.13.2×
37Undera Gujarat, India
47.93.2×
38Narela Delhi, India
47.73.2×
39Delhi Delhi, India
46.83.1×
39Łask Łódź Voivodeship, Poland
46.83.1×
41Greater Noida Uttar Pradesh, India
46.53.1×
42Agartala Tripura, India
46.43.1×
43Chrang Chamreh Muoy low-cost sensors Phnom Penh, Cambodia
46.33.1×
44Bahawalpur low-cost sensors Punjab, Pakistan
45.23.0×
45Nagpur Maharashtra, India
45.03.0×
46Dhule Maharashtra, India
44.93.0×
47Burunday low-cost sensors Almaty Region, Kazakhstan
44.73.0×
48Jammu low-cost sensors Jammu and Kashmir, India
44.63.0×
49Sholapur Maharashtra, India
44.22.9×
49Nanded Maharashtra, India
44.22.9×
49Baripāda Odisha, India
44.22.9×
52Akola Maharashtra, India
44.12.9×
53Otegen Batyra low-cost sensors Almaty Region, Kazakhstan
43.72.9×
54Bhiwadi Rajasthan, India
43.42.9×
55Lagos low-cost sensors Lagos, Nigeria
42.02.8×
56Rawalpindi low-cost sensors Punjab, Pakistan
41.82.8×
56Hyderabad Telangana, India
41.82.8×
58Kampala low-cost sensors Central Region, Uganda
41.62.8×
58Faisalabad low-cost sensors Punjab, Pakistan
41.62.8×
60Kadapa Andhra Pradesh, India
41.42.8×
61Meerut Uttar Pradesh, India
41.22.7×
61Begusarai Bihar, India
41.22.7×
63Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan
40.82.7×
64Indore Madhya Pradesh, India
40.72.7×
65Lahore low-cost sensors Punjab, Pakistan
40.62.7×
66Târgu Mureş low-cost sensors Mureș County, Romania
40.32.7×
67Panchkula Haryana, India
39.92.7×
68Karnāl Haryana, India
39.82.7×
69Phuntsholing low-cost sensors Chukha, Bhutan
39.42.6×
70Siwān Bihar, India
38.92.6×
71Shrīrāmpur West Bengal, India
38.42.6×
72Jharia Jharkhand, India
38.32.6×
72Khlong Luang low-cost sensors Pathum Thani, Thailand
38.32.6×
74Chaniá Crete, Greece
38.22.5×
75Ambāla Haryana, India
38.12.5×
76Nashik Maharashtra, India
37.72.5×
77Thānesar Haryana, India
37.62.5×
77Bhubaneswar Odisha, India
37.62.5×
79Gujranwala low-cost sensors Punjab, Pakistan
37.42.5×
79Closepet Karnataka, India
37.42.5×
81Cuttack Odisha, India
37.32.5×
82Yadgir Karnataka, India
36.82.5×
83Najafgarh Delhi, India
36.72.4×
84Kathmandu low-cost sensors Bagmati Province, Nepal
36.62.4×
85Gaya Bihar, India
36.22.4×
85Banja Luka Srpska, Bosnia and Herzegovina
36.22.4×
87Latur Maharashtra, India
36.02.4×
87Durgapur West Bengal, India
36.02.4×
89Quezon City low-cost sensors National Capital Region, Philippines
35.82.4×
90Āsansol West Bengal, India
35.32.4×
91Aurangabad Maharashtra, India
35.22.3×
92Ajmer Rajasthan, India
34.92.3×
93Pune Maharashtra, India
34.82.3×
93Talghar low-cost sensors Almaty Region, Kazakhstan
34.82.3×
93Sai Mai low-cost sensors Bangkok, Thailand
34.82.3×
96Kolkata West Bengal, India
34.52.3×
96Bhopal Madhya Pradesh, India
34.52.3×
98Thāne Maharashtra, India
34.32.3×
99Bāghpat Uttar Pradesh, India
34.22.3×
100Badlapur Maharashtra, India
33.42.2×
101Obrenovac Central Serbia, Serbia
33.32.2×
101Sukuta low-cost sensors Western, Gambia
33.32.2×
103Żywiec Silesia, Poland
33.22.2×
104Chittorgarh Rajasthan, India
33.12.2×
105Bishkek low-cost sensors Bishkek, Kyrgyzstan
33.02.2×
106Rānīganj West Bengal, India
32.92.2×
106Haldia West Bengal, India
32.92.2×
108Vijayawada Andhra Pradesh, India
32.82.2×
108Dakar low-cost sensors Dakar, Senegal
32.82.2×
108Santa Anita - Los Ficus Lima region, Peru
32.82.2×
111Almaty low-cost sensors Almaty, Kazakhstan
32.62.2×
112Ban Khlong Prawet low-cost sensors Bangkok, Thailand
32.52.2×
113Jaipur Rajasthan, India
31.82.1×
114Bangkok low-cost sensors Bangkok, Thailand
31.52.1×
115San Luis Potosí San Luis Potosí, Mexico
31.32.1×
116Rājgīr Bihar, India
31.22.1×
117Multan low-cost sensors Punjab, Pakistan
31.02.1×
118Gwalior Madhya Pradesh, India
30.92.1×
119Islamabad low-cost sensors Islamabad, Pakistan
30.82.1×
120Sāngli Maharashtra, India
30.62.0×
120Bānswāra Rajasthan, India
30.62.0×
122Kalyān Maharashtra, India
30.32.0×
122Bhiwandi Maharashtra, India
30.32.0×
124Bang Pakong low-cost sensors Chachoengsao, Thailand
30.22.0×
125Jīnd Haryana, India
29.72.0×
126Chittoor Andhra Pradesh, India
29.62.0×
127Sialkot low-cost sensors Punjab, Pakistan
29.52.0×
127Surat Gujarat, India
29.52.0×
127Ahmedabad Gujarat, India
29.52.0×
127Xonacatlán México, Mexico
29.52.0×
131Bhāgalpur Bihar, India
29.42.0×
131Kalisz Greater Poland, Poland
29.42.0×
133Bengaluru Karnataka, India
29.21.9×
134Quthbullapur Telangana, India
28.91.9×
135Lucknow Uttar Pradesh, India
28.81.9×
135Jalandhar Punjab, India
28.81.9×
137Tonk Rajasthan, India
28.61.9×
138Thiès low-cost sensors Thies, Senegal
28.51.9×
139Bārān Rajasthan, India
28.41.9×
140Sarajevo Federation of B&H, Bosnia and Herzegovina
28.31.9×
141Tirupati Andhra Pradesh, India
28.11.9×
142Bitola Bitola, North Macedonia
28.01.9×
143Tirumala Andhra Pradesh, India
27.91.9×
144Silchar Assam, India
27.81.9×
144Jhālāwār Rajasthan, India
27.81.9×
146Tetovo Tetovo, North Macedonia
27.51.8×
146Rasapūdipalem Andhra Pradesh, India
27.51.8×
146Mahād Maharashtra, India
27.51.8×
146Callao Callao, Peru
27.51.8×
150Ashaiman low-cost sensors Greater Accra, Ghana
27.41.8×
150Pimpri-Chinchwad Maharashtra, India
27.41.8×
152Gorzów Wielkopolski Lubusz, Poland
27.31.8×
153Bikaner Rajasthan, India
26.91.8×
153Amravati Maharashtra, India
26.91.8×
153San Francisco De Borja Lima region, Peru
26.91.8×
156Ankleshwar Gujarat, India
26.81.8×
157Hacienda Santa Fe Jalisco, Mexico
26.41.8×
158Lima Lima Province, Peru
26.11.7×
158Vapi Gujarat, India
26.11.7×
160Bijelo Polje Bijelo Polje, Montenegro
25.91.7×
161Chihuahua Chihuahua, Mexico
25.81.7×
161Neelankarai Tamil Nadu, India
25.81.7×
163Niš Central Serbia, Serbia
25.71.7×
163Gevgelija Gevgelija, North Macedonia
25.71.7×
165Nagaon Assam, India
25.61.7×
166Kłodzko Lower Silesia, Poland
25.51.7×
167Sirsa Haryana, India
25.41.7×
168Chūru Rajasthan, India
25.31.7×
169Coimbatore Tamil Nadu, India
25.11.7×
169Dunkirk Hauts-de-France, France
25.11.7×
171Fengshan Takao, Taiwan
25.01.7×
171Ciudad General Escobedo Nuevo León, Mexico
25.01.7×
173Virār Maharashtra, India
24.91.7×
173Tuxtla Chiapas, Mexico
24.91.7×
175Kalaburagi Karnataka, India
24.81.7×
176Pratāpgarh Rajasthan, India
24.51.6×
176Panvel Maharashtra, India
24.51.6×
178Douliu Taiwan, Taiwan
24.41.6×
179Zhushan Taiwan, Taiwan
24.21.6×
180Tema low-cost sensors Greater Accra, Ghana
24.11.6×
181Beirut low-cost sensors Beirut, Lebanon
23.91.6×
181Aguascalientes Aguascalientes, Mexico
23.91.6×
181Calexico California, United States
23.91.6×
184Chiayi City Taiwan, Taiwan
23.61.6×
184Iloilo low-cost sensors Western Visayas, Philippines
23.61.6×
184Abasolo Guanajuato, Mexico
23.61.6×
187Tainan Taiwan, Taiwan
23.41.6×
188San Francisco Tlalcilalcalpan México, Mexico
23.31.6×
189Wan Chai Wan Chai, Hong Kong
23.21.5×
189Bydgoszcz Kujawsko-Pomorskie, Poland
23.21.5×
191Chaozhou Taiwan, Taiwan
22.91.5×
191Ziguinchor low-cost sensors Ziguinchor, Senegal
22.91.5×
191Kharghar Maharashtra, India
22.91.5×
194Yongkang Taiwan, Taiwan
22.81.5×
195Nilópolis Rio de Janeiro, Brazil
22.61.5×
195Naharlagun Arunachal Pradesh, India
22.61.5×
197Serilingampalle Telangana, India
22.51.5×
198Smederevo Central Serbia, Serbia
22.41.5×
198Jhunjhunūn Rajasthan, India
22.41.5×
198Saint-Louis low-cost sensors Saint-Louis, Senegal
22.41.5×

Top 200 of 2,339 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