SmogRank / History / March 20, 2026

Most polluted cities on March 20, 2026

2,388 cities ranked by their average PM2.5 over the day. Each city's own local calendar day.

#City µg/m³× WHO
1Changchun low-cost sensors Jilin, China
227.015.1×
2Rahim Yar Khan low-cost sensors Punjab, Pakistan
127.58.5×
3Łask Łódź Voivodeship, Poland
93.46.2×
4Multan low-cost sensors Punjab, Pakistan
81.35.4×
5Otegen Batyra low-cost sensors Almaty Region, Kazakhstan
80.85.4×
6Burunday low-cost sensors Almaty Region, Kazakhstan
80.15.3×
7Kojomkul low-cost sensors Chuy Region, Kyrgyzstan
79.65.3×
8Lebedinovka low-cost sensors Chuy Region, Kyrgyzstan
77.95.2×
9Faridabad Haryana, India
76.55.1×
10Bhelai Chhattisgarh, India
76.05.1×
11Sonīpat Haryana, India
74.14.9×
12Bahawalpur low-cost sensors Punjab, Pakistan
74.04.9×
13Dhaka low-cost sensors Dhaka Division, Bangladesh
73.24.9×
14Hājīpur Bihar, India
71.44.8×
15Otwock Mazovia, Poland
68.94.6×
16Angul Odisha, India
68.74.6×
17Lucknow Uttar Pradesh, India
66.84.5×
18Radomsko Łódź Voivodeship, Poland
66.64.4×
19Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan
65.94.4×
20Bahadurgarh Haryana, India
59.23.9×
21Dādri Uttar Pradesh, India
58.93.9×
22Faisalabad low-cost sensors Punjab, Pakistan
58.43.9×
23Gurugram Haryana, India
57.83.9×
24Patna Bihar, India
57.43.8×
25Joda Odisha, India
56.63.8×
26Singrauli Madhya Pradesh, India
55.63.7×
27Mahād Maharashtra, India
55.13.7×
28Arrah Bihar, India
53.33.6×
29Żywiec Silesia, Poland
52.53.5×
29Jastrzębie Zdrój Silesia, Poland
52.53.5×
31Gummidipundi Tamil Nadu, India
52.03.5×
32Gorzów Wielkopolski Lubusz, Poland
50.73.4×
33Nalbāri Assam, India
50.53.4×
34Undera Gujarat, India
50.43.4×
35Anantapur Andhra Pradesh, India
49.83.3×
35Tlaquepaque Jalisco, Mexico
49.83.3×
37Panvel Maharashtra, India
49.63.3×
37Dhāruhera Haryana, India
49.63.3×
39Kalisz Greater Poland, Poland
49.43.3×
40Talghar low-cost sensors Almaty Region, Kazakhstan
49.23.3×
40Vientiane low-cost sensors Vientiane Prefecture, Laos
49.23.3×
42Pimpri-Chinchwad Maharashtra, India
49.03.3×
43Stodůlky low-cost sensors Prague, Czechia
48.93.3×
44Kłodzko Lower Silesia, Poland
48.83.3×
45Noida Uttar Pradesh, India
48.13.2×
46Bishkek low-cost sensors Bishkek, Kyrgyzstan
47.93.2×
47Rourkela Odisha, India
47.33.2×
47Czechowice-Dziedzice Silesia, Poland
47.33.2×
49Kampala low-cost sensors Central Region, Uganda
47.23.1×
50Narela Delhi, India
47.03.1×
51Akola Maharashtra, India
46.73.1×
52Uttaradit low-cost sensors Uttaradit, Thailand
46.53.1×
53Říčany low-cost sensors Central Bohemia, Czechia
46.23.1×
54Columbus Georgia, United States
45.53.0×
55Jalgaon Maharashtra, India
45.43.0×
55Zgierz Łódź Voivodeship, Poland
45.43.0×
57Dieppe Normandy, France
45.23.0×
58Kathmandu low-cost sensors Bagmati Province, Nepal
45.03.0×
59Delhi Delhi, India
44.22.9×
60Le Havre Normandy, France
43.92.9×
61Albany Georgia, United States
43.52.9×
62Macon Georgia, United States
43.12.9×
63Sāngli Maharashtra, India
42.92.9×
64Wexford Leinster, Ireland
42.72.8×
65Almaty low-cost sensors Almaty, Kazakhstan
42.52.8×
66Saharsa Bihar, India
42.42.8×
67Lahore low-cost sensors Punjab, Pakistan
42.32.8×
68Rzeszów Subcarpathia, Poland
42.22.8×
69Hyderabad low-cost sensors Sindh, Pakistan
42.02.8×
70Amiens Hauts-de-France, France
41.82.8×
71Beersel low-cost sensors Flanders, Belgium
41.42.8×
71Fort Smith Arkansas, United States
41.42.8×
73Kalyān Maharashtra, India
41.22.7×
74Montivilliers Normandy, France
41.12.7×
75Kędzierzyn-Koźle Opole Voivodeship, Poland
41.02.7×
76Banja Luka Srpska, Bosnia and Herzegovina
40.62.7×
77Karachi low-cost sensors Sindh, Pakistan
40.32.7×
77South Lake Tahoe California, United States
40.32.7×
77Chrang Chamreh Muoy low-cost sensors Phnom Penh, Cambodia
40.32.7×
80Arāria Bihar, India
40.12.7×
81Overijse low-cost sensors Flanders, Belgium
39.92.7×
81Victoria de Durango Durango, Mexico
39.92.7×
83Caen Normandy, France
39.52.6×
84Durgapur West Bengal, India
39.42.6×
84Begusarai Bihar, India
39.42.6×
86Tarnów Lesser Poland, Poland
39.22.6×
86Mielec Subcarpathia, Poland
39.22.6×
86Roubaix Hauts-de-France, France
39.22.6×
89Nagpur Maharashtra, India
39.12.6×
90Derby Kansas, United States
38.92.6×
91Delano low-cost sensors California, United States
38.72.6×
92Douai Hauts-de-France, France
38.62.6×
92Denain Hauts-de-France, France
38.62.6×
92Kharghar Maharashtra, India
38.62.6×
95Tirupati Andhra Pradesh, India
38.42.6×
95Olpe low-cost sensors North Rhine-Westphalia, Germany
38.42.6×
97Lublin Lublin, Poland
38.32.6×
98Béthune Hauts-de-France, France
38.22.5×
99Târgu Mureş low-cost sensors Mureș County, Romania
38.12.5×
100Phuntsholing low-cost sensors Chukha, Bhutan
37.92.5×
100Nashik Maharashtra, India
37.92.5×
100Gaya Bihar, India
37.92.5×
103Lille Hauts-de-France, France
37.72.5×
104Dębica Subcarpathia, Poland
37.62.5×
105Muzaffarnagar Uttar Pradesh, India
37.52.5×
105Karnāl Haryana, India
37.52.5×
105Kanpur Uttar Pradesh, India
37.52.5×
105Ghāziābād Uttar Pradesh, India
37.52.5×
105Zeitz Saxony-Anhalt, Germany
37.52.5×
105Rouen Normandy, France
37.52.5×
105Barbil Odisha, India
37.52.5×
112Prayagraj Uttar Pradesh, India
37.42.5×
112Boulogne-sur-Mer Hauts-de-France, France
37.42.5×
114Jarosław Subcarpathia, Poland
37.22.5×
114Valenciennes Hauts-de-France, France
37.22.5×
116Thānesar Haryana, India
37.02.5×
117Tallahassee Florida, United States
36.92.5×
118Pljevlja Pljevlja, Montenegro
36.82.5×
119Jaisalmer Rajasthan, India
36.62.4×
120Cherbourg Normandy, France
36.52.4×
121Żary Lubusz, Poland
36.42.4×
122Vijayawada Andhra Pradesh, India
36.12.4×
123Gwalior Madhya Pradesh, India
35.72.4×
123Baripāda Odisha, India
35.72.4×
123Weißenfels Saxony-Anhalt, Germany
35.72.4×
123Greater Noida Uttar Pradesh, India
35.72.4×
127Byasanagar Odisha, India
35.52.4×
128Rawalpindi low-cost sensors Punjab, Pakistan
35.42.4×
128Kraków Lesser Poland, Poland
35.42.4×
130Yamuna Nagar Haryana, India
35.32.4×
131Nagaon Assam, India
35.22.3×
132Kadapa Andhra Pradesh, India
34.92.3×
132Flémalle-Haute Wallonia, Belgium
34.92.3×
134Beauvais Hauts-de-France, France
34.82.3×
135Rājgīr Bihar, India
34.62.3×
136Chiang Mai low-cost sensors Chiang Mai, Thailand
34.52.3×
137Islamabad low-cost sensors Islamabad, Pakistan
34.42.3×
138Roeselare Flanders, Belgium
34.22.3×
138Bhiwadi Rajasthan, India
34.22.3×
140Altenburg Thuringia, Germany
34.12.3×
141Izegem Flanders, Belgium
34.02.3×
142Gadsden Alabama, United States
33.92.3×
143Bhiwāni Haryana, India
33.82.3×
143Fengshan Takao, Taiwan
33.82.3×
143Mons Wallonia, Belgium
33.82.3×
143Racibórz Silesia, Poland
33.82.3×
143Porterville California, United States
33.82.3×
148Poznań Greater Poland, Poland
33.72.2×
149Bhiwandi Maharashtra, India
33.52.2×
150Louviers Normandy, France
33.42.2×
151Charleroi Wallonia, Belgium
33.32.2×
151Merseburg Saxony-Anhalt, Germany
33.32.2×
151Saint-Quentin Hauts-de-France, France
33.32.2×
151Vapi Gujarat, India
33.32.2×
155Dublin Leinster, Ireland
33.22.2×
156Ludwigshafen am Rhein Rheinland-Pfalz, Germany
33.02.2×
157Warstein North Rhine-Westphalia, Germany
32.82.2×
158Dhaulpur Rajasthan, India
32.52.2×
158Bijelo Polje Bijelo Polje, Montenegro
32.52.2×
160Kielce Świętokrzyskie, Poland
32.42.2×
160Zhushan Taiwan, Taiwan
32.42.2×
160Saint Helier low-cost sensors St Helier, Jersey
32.42.2×
163Worms Rheinland-Pfalz, Germany
32.02.1×
163Dortmund North Rhine-Westphalia, Germany
32.02.1×
165Gera Thuringia, Germany
31.92.1×
166Dhule Maharashtra, India
31.82.1×
166Wrocław Lower Silesia, Poland
31.82.1×
168Khlong Luang low-cost sensors Pathum Thani, Thailand
31.72.1×
169Bāghpat Uttar Pradesh, India
31.62.1×
169Chiayi City Taiwan, Taiwan
31.62.1×
169Jelenia Góra Lower Silesia, Poland
31.62.1×
172Nisko Subcarpathia, Poland
31.52.1×
172Menen Flanders, Belgium
31.52.1×
172Opole Opole Voivodeship, Poland
31.52.1×
175Kortrijk Flanders, Belgium
31.42.1×
175Creil Hauts-de-France, France
31.42.1×
177Mannheim Baden-Wurttemberg, Germany
31.32.1×
177Calais Hauts-de-France, France
31.32.1×
177Łódź Łódź Voivodeship, Poland
31.32.1×
177Xonacatlán México, Mexico
31.32.1×
177Aya Nagar Delhi, India
31.32.1×
182Weimar Thuringia, Germany
31.02.1×
182Brookfield low-cost sensors Wisconsin, United States
31.02.1×
184Frankfurt am Main Hesse, Germany
30.92.1×
184Wichita Kansas, United States
30.92.1×
186Speyer Rheinland-Pfalz, Germany
30.82.1×
187Erfurt Thuringia, Germany
30.72.0×
187Ponca City Oklahoma, United States
30.72.0×
189Ambāla Haryana, India
30.62.0×
189Čadca Žilina Region, Slovakia
30.62.0×
189Szczecin West Pomerania, Poland
30.62.0×
192Radom Mazovia, Poland
30.52.0×
192Augusta Georgia, United States
30.52.0×
192Royal Oak low-cost sensors Michigan, United States
30.52.0×
195Meerut Uttar Pradesh, India
30.42.0×
195Hāpur Uttar Pradesh, India
30.42.0×
195Chānda Maharashtra, India
30.42.0×
195Dunkirk Hauts-de-France, France
30.42.0×
199Shivamogga Karnataka, India
30.22.0×
199Mainz Rheinland-Pfalz, Germany
30.22.0×

Top 200 of 2,388 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