SmogRank / History / April 4, 2026

Most polluted cities on April 4, 2026

2,319 cities ranked by their average PM2.5 over the day. Each city's own local calendar day.

← April 3, 2026April 5, 2026 →
#City µg/m³× WHO
1Dera Māndi Delhi, India
447.029.8×
2Chiang Mai low-cost sensors Chiang Mai, Thailand
179.011.9×
3Vientiane low-cost sensors Vientiane Prefecture, Laos
146.09.7×
4Jharia Jharkhand, India
103.06.9×
5Gurugram Haryana, India
98.86.6×
6Kampala low-cost sensors Central Region, Uganda
96.26.4×
7Joda Odisha, India
90.16.0×
8Uttaradit low-cost sensors Uttaradit, Thailand
85.55.7×
9Arāria Bihar, India
85.05.7×
10Dhaka low-cost sensors Dhaka Division, Bangladesh
82.25.5×
11Sonīpat Haryana, India
74.14.9×
12Faridabad Haryana, India
73.74.9×
13Kathmandu low-cost sensors Bagmati Province, Nepal
71.64.8×
14Faisalabad low-cost sensors Punjab, Pakistan
66.44.4×
15Dādri Uttar Pradesh, India
66.04.4×
16Bhiwāni Haryana, India
64.14.3×
17Barbil Odisha, India
63.24.2×
18Singrauli Madhya Pradesh, India
62.64.2×
19Angul Odisha, India
61.94.1×
20Hājīpur Bihar, India
61.14.1×
21Narela Delhi, India
60.74.0×
22Undera Gujarat, India
54.33.6×
23Gummidipundi Tamil Nadu, India
50.73.4×
24Changchun low-cost sensors Jilin, China
50.43.4×
25Lucknow Uttar Pradesh, India
49.43.3×
26Tuxtla Chiapas, Mexico
49.23.3×
27Kadapa Andhra Pradesh, India
48.43.2×
28Delhi Delhi, India
48.23.2×
29Baripāda Odisha, India
47.63.2×
30Anantapur Andhra Pradesh, India
47.33.2×
31Hāpur Uttar Pradesh, India
47.23.1×
32Chrang Chamreh Muoy low-cost sensors Phnom Penh, Cambodia
47.03.1×
33Noida Uttar Pradesh, India
46.53.1×
34Wadgaon Kolhati Maharashtra, India
46.33.1×
35Phuntsholing low-cost sensors Chukha, Bhutan
45.73.0×
35Yamuna Nagar Haryana, India
45.73.0×
37Kanpur Uttar Pradesh, India
45.13.0×
38Baddi Himachal Pradesh, India
45.03.0×
39Durgapur West Bengal, India
44.63.0×
40Dhule Maharashtra, India
44.53.0×
41Ambāla Haryana, India
44.33.0×
42Najafgarh Delhi, India
44.02.9×
43Dubai low-cost sensors Dubai, United Arab Emirates
43.82.9×
43Ghāziābād Uttar Pradesh, India
43.82.9×
45Jalgaon Maharashtra, India
43.02.9×
46Kolkata West Bengal, India
42.52.8×
47Indore Madhya Pradesh, India
41.62.8×
47Khlong Luang low-cost sensors Pathum Thani, Thailand
41.62.8×
49Aizawl Mizoram, India
41.12.7×
50Bang Pakong low-cost sensors Chachoengsao, Thailand
41.02.7×
51Jaipur Rajasthan, India
40.82.7×
52Ban Khlong Prawet low-cost sensors Bangkok, Thailand
40.72.7×
53Dhāruhera Haryana, India
40.62.7×
54Byasanagar Odisha, India
40.52.7×
55Rourkela Odisha, India
40.12.7×
56Sai Mai low-cost sensors Bangkok, Thailand
39.82.7×
57Greater Noida Uttar Pradesh, India
39.32.6×
58Muzaffarnagar Uttar Pradesh, India
39.12.6×
59Thānesar Haryana, India
39.02.6×
60Lahore low-cost sensors Punjab, Pakistan
38.72.6×
60Bangkok low-cost sensors Bangkok, Thailand
38.72.6×
60Bhiwadi Rajasthan, India
38.72.6×
63San Luis Potosí San Luis Potosí, Mexico
38.22.5×
64Bhopal Madhya Pradesh, India
38.02.5×
65Bhāgalpur Bihar, India
37.82.5×
66Tirupati Andhra Pradesh, India
37.42.5×
67Sukuta low-cost sensors Western, Gambia
37.22.5×
68Bhelai Chhattisgarh, India
37.12.5×
69Shrīrāmpur West Bengal, India
37.02.5×
69Karnāl Haryana, India
37.02.5×
71Rānīganj West Bengal, India
36.92.5×
72Vijayawada Andhra Pradesh, India
36.62.4×
73Bishkek low-cost sensors Bishkek, Kyrgyzstan
36.12.4×
74Cuttack Odisha, India
36.02.4×
75Keonjhargarh Odisha, India
35.92.4×
76Siwān Bihar, India
35.82.4×
76Patna Bihar, India
35.82.4×
78Brikama low-cost sensors Western, Gambia
35.72.4×
79Jīnd Haryana, India
35.62.4×
79Gangtok Sikkim, India
35.62.4×
81Bāghpat Uttar Pradesh, India
35.52.4×
82Bahawalpur low-cost sensors Punjab, Pakistan
35.42.4×
83Āsansol West Bengal, India
35.32.4×
84Tirumala Andhra Pradesh, India
34.92.3×
85Yadgir Karnataka, India
34.82.3×
85Bahadurgarh Haryana, India
34.82.3×
87Malegaon Maharashtra, India
34.62.3×
88Parbhani Maharashtra, India
34.52.3×
88Chittoor Andhra Pradesh, India
34.52.3×
90Meerut Uttar Pradesh, India
33.62.2×
91Lebedinovka low-cost sensors Chuy Region, Kyrgyzstan
33.12.2×
92Kłodzko Lower Silesia, Poland
33.02.2×
93Târgu Mureş low-cost sensors Mureș County, Romania
32.72.2×
94Kalyān Maharashtra, India
32.32.2×
95Sarajevo Federation of B&H, Bosnia and Herzegovina
32.22.1×
95Atlixco Puebla, Mexico
32.22.1×
97Saugor Madhya Pradesh, India
32.02.1×
97Talghar low-cost sensors Almaty Region, Kazakhstan
32.02.1×
99Bengaluru Karnataka, India
31.72.1×
100Karachi low-cost sensors Sindh, Pakistan
31.42.1×
100Gwalior Madhya Pradesh, India
31.42.1×
102Ajmer Rajasthan, India
31.32.1×
103Buxar Bihar, India
31.22.1×
104Burunday low-cost sensors Almaty Region, Kazakhstan
31.12.1×
104Tehuacán Puebla, Mexico
31.12.1×
106Aurangabad Maharashtra, India
30.82.1×
107Kota Rajasthan, India
30.72.0×
108Panvel Maharashtra, India
30.52.0×
108Bārān Rajasthan, India
30.52.0×
110Chānda Maharashtra, India
30.42.0×
110Otegen Batyra low-cost sensors Almaty Region, Kazakhstan
30.42.0×
112Bhubaneswar Odisha, India
30.12.0×
113Ankleshwar Gujarat, India
29.92.0×
113Akola Maharashtra, India
29.92.0×
115Quthbullapur Telangana, India
29.52.0×
116Gujranwala low-cost sensors Punjab, Pakistan
29.42.0×
117Puebla Puebla, Mexico
29.11.9×
118Sighetu Marmaţiei Maramureş, Romania
29.01.9×
118Bijelo Polje Bijelo Polje, Montenegro
29.01.9×
120Thāne Maharashtra, India
28.91.9×
120Ciudad General Escobedo Nuevo León, Mexico
28.91.9×
122Panchkula Haryana, India
28.61.9×
122Vapi Gujarat, India
28.61.9×
124Almaty low-cost sensors Almaty, Kazakhstan
28.21.9×
125Sirsa Haryana, India
28.01.9×
125Rairangpur Odisha, India
28.01.9×
127Pune Maharashtra, India
27.81.9×
128Haldia West Bengal, India
27.71.8×
129Nashik Maharashtra, India
27.51.8×
130Nagpur Maharashtra, India
27.41.8×
130Wan Chai Wan Chai, Hong Kong
27.41.8×
130Zgierz Łódź Voivodeship, Poland
27.41.8×
133Bānswāra Rajasthan, India
27.31.8×
134Closepet Karnataka, India
27.21.8×
135Tonk Rajasthan, India
26.71.8×
136Mahād Maharashtra, India
26.61.8×
137Gaya Bihar, India
26.51.8×
138Hyderabad Telangana, India
26.41.8×
139Virār Maharashtra, India
26.31.8×
140Badlapur Maharashtra, India
26.21.7×
140Amaravati Andhra Pradesh, India
26.21.7×
142Coimbatore Tamil Nadu, India
26.11.7×
143Agartala Tripura, India
25.91.7×
143San Salvador Tizatlalli México, Mexico
25.91.7×
145Latur Maharashtra, India
25.71.7×
146Shivamogga Karnataka, India
25.61.7×
146Chittorgarh Rajasthan, India
25.61.7×
148Sholapur Maharashtra, India
25.41.7×
149Kaithal Haryana, India
25.11.7×
149Pimpri-Chinchwad Maharashtra, India
25.11.7×
151Morādābād Uttar Pradesh, India
25.01.7×
152Kielce Świętokrzyskie, Poland
24.91.7×
152Hyderabad low-cost sensors Sindh, Pakistan
24.91.7×
154Beirut low-cost sensors Beirut, Lebanon
24.61.6×
154Arrah Bihar, India
24.61.6×
156Addis Ababa Addis Ababa, Ethiopia
24.51.6×
156Bitola Bitola, North Macedonia
24.51.6×
156Sāngli Maharashtra, India
24.51.6×
156Rājgīr Bihar, India
24.51.6×
156Ahmedabad Gujarat, India
24.51.6×
161Nanded Maharashtra, India
24.31.6×
162Otwock Mazovia, Poland
24.11.6×
162Kalaburagi Karnataka, India
24.11.6×
164Multan low-cost sensors Punjab, Pakistan
24.01.6×
164Dausa Rajasthan, India
24.01.6×
166Chandigarh Chandigarh, India
23.81.6×
167Monterrey Nuevo León, Mexico
23.71.6×
168Iloilo low-cost sensors Western Visayas, Philippines
23.61.6×
169Guwahati Assam, India
23.51.6×
170Obrenovac Central Serbia, Serbia
23.31.6×
171Łask Łódź Voivodeship, Poland
22.91.5×
172Bareilly Uttar Pradesh, India
22.81.5×
173Taitung Taiwan, Taiwan
22.71.5×
174Târgu Jiu Gorj County, Romania
22.61.5×
174Silchar Assam, India
22.61.5×
174Ciudad Benito Juárez Nuevo León, Mexico
22.61.5×
174Kharghar Maharashtra, India
22.61.5×
178Tetovo Tetovo, North Macedonia
22.41.5×
178Pratāpgarh Rajasthan, India
22.41.5×
180Shillong Meghalaya, India
22.11.5×
181Sidon low-cost sensors South Governorate, Lebanon
22.01.5×
181Singapore low-cost sensors Singapore
22.01.5×
181Kalisz Greater Poland, Poland
22.01.5×
184Calexico California, United States
21.91.5×
185Smederevo Central Serbia, Serbia
21.81.5×
185Užice Central Serbia, Serbia
21.81.5×
187Mangaluru Karnataka, India
21.71.4×
187Amravati Maharashtra, India
21.71.4×
187Ziguinchor low-cost sensors Ziguinchor, Senegal
21.71.4×
187Jastrzębie Zdrój Silesia, Poland
21.71.4×
191Gandhinagar Gujarat, India
21.61.4×
191Porto low-cost sensors Porto, Portugal
21.61.4×
193Cadereyta Jiménez Nuevo León, Mexico
21.41.4×
194Ruse Ruse, Bulgaria
21.31.4×
194Muroran Hokkaido, Japan
21.31.4×
196Santa Catarina Nuevo León, Mexico
21.21.4×
197Sialkot low-cost sensors Punjab, Pakistan
21.01.4×
197Banja Luka Srpska, Bosnia and Herzegovina
21.01.4×
199Craiova Dolj, Romania
20.81.4×
200Kodamachō-kodamaminami Saitama, Japan
20.71.4×

Top 200 of 2,319 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