SmogRank / History / March 21, 2026

Most polluted cities on March 21, 2026

2,292 cities ranked by their average PM2.5 over the day. Each city's own local calendar day.

← March 20, 2026March 22, 2026 →
#City µg/m³× WHO
1Changchun low-cost sensors Jilin, China
188.512.6×
2Faridabad Haryana, India
120.78.0×
3Gurugram Haryana, India
116.07.7×
4Kojomkul low-cost sensors Chuy Region, Kyrgyzstan
110.07.3×
5Rahim Yar Khan low-cost sensors Punjab, Pakistan
105.07.0×
6Panvel Maharashtra, India
89.96.0×
7Lebedinovka low-cost sensors Chuy Region, Kyrgyzstan
80.75.4×
8Dādri Uttar Pradesh, India
77.45.2×
9Noida Uttar Pradesh, India
75.45.0×
10Otegen Batyra low-cost sensors Almaty Region, Kazakhstan
74.75.0×
11Sonīpat Haryana, India
73.94.9×
12Burunday low-cost sensors Almaty Region, Kazakhstan
72.44.8×
13Undera Gujarat, India
70.84.7×
14Dhāruhera Haryana, India
69.04.6×
15Mahād Maharashtra, India
68.54.6×
16Multan low-cost sensors Punjab, Pakistan
68.04.5×
17Dhaka low-cost sensors Dhaka Division, Bangladesh
65.54.4×
18Bishkek low-cost sensors Bishkek, Kyrgyzstan
64.54.3×
19Greater Noida Uttar Pradesh, India
62.84.2×
20Łask Łódź Voivodeship, Poland
62.34.2×
21Delhi Delhi, India
61.24.1×
22Bahadurgarh Haryana, India
59.44.0×
23Bhiwadi Rajasthan, India
59.03.9×
24Narela Delhi, India
58.43.9×
25Talghar low-cost sensors Almaty Region, Kazakhstan
57.23.8×
26Gummidipundi Tamil Nadu, India
57.03.8×
27Bahawalpur low-cost sensors Punjab, Pakistan
56.43.8×
28Dausa Rajasthan, India
55.43.7×
29Nagaon Assam, India
54.83.7×
30Dhaulpur Rajasthan, India
54.63.6×
31Ahmedabad Gujarat, India
52.03.5×
32Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan
51.63.4×
33Kharghar Maharashtra, India
51.23.4×
34Manchester low-cost sensors England, United Kingdom
51.03.4×
35Bhelai Chhattisgarh, India
49.73.3×
36Lahore low-cost sensors Punjab, Pakistan
49.33.3×
36Almaty low-cost sensors Almaty, Kazakhstan
49.33.3×
38Ambāla Haryana, India
49.13.3×
39Pimpri-Chinchwad Maharashtra, India
47.53.2×
40Vientiane low-cost sensors Vientiane Prefecture, Laos
47.33.2×
41Birmingham low-cost sensors England, United Kingdom
46.83.1×
42Macon Georgia, United States
46.73.1×
43Uttaradit low-cost sensors Uttaradit, Thailand
46.63.1×
44Ankleshwar Gujarat, India
46.43.1×
45Singrauli Madhya Pradesh, India
45.93.1×
46Rennes Brittany, France
45.53.0×
47Anantapur Andhra Pradesh, India
45.33.0×
48Muzaffarnagar Uttar Pradesh, India
45.13.0×
49Kadapa Andhra Pradesh, India
44.73.0×
50Kalyān Maharashtra, India
44.12.9×
51Khlong Luang low-cost sensors Pathum Thani, Thailand
43.52.9×
52Nalbāri Assam, India
42.72.8×
53Chiang Mai low-cost sensors Chiang Mai, Thailand
42.02.8×
54Bāghpat Uttar Pradesh, India
41.92.8×
55Ghāziābād Uttar Pradesh, India
41.82.8×
55Chartres Centre-Val de Loire, France
41.82.8×
57Shivamogga Karnataka, India
41.62.8×
58Kathmandu low-cost sensors Bagmati Province, Nepal
41.52.8×
58Chrang Chamreh Muoy low-cost sensors Phnom Penh, Cambodia
41.52.8×
60Malegaon Maharashtra, India
40.92.7×
61Stodůlky low-cost sensors Prague, Czechia
40.52.7×
62Vannes Brittany, France
40.32.7×
63Faisalabad low-cost sensors Punjab, Pakistan
40.22.7×
64Angul Odisha, India
39.92.7×
65Bhiwāni Haryana, India
39.52.6×
66Říčany low-cost sensors Central Bohemia, Czechia
39.42.6×
67Lucknow Uttar Pradesh, India
39.32.6×
68Quimper Brittany, France
39.22.6×
69Augusta Georgia, United States
39.12.6×
70Najafgarh Delhi, India
39.02.6×
71Rambouillet Île-de-France, France
38.92.6×
71Baddi Himachal Pradesh, India
38.92.6×
73Târgu Mureş low-cost sensors Mureș County, Romania
38.82.6×
73Kota Rajasthan, India
38.82.6×
73South Lake Tahoe California, United States
38.82.6×
77Karnāl Haryana, India
38.52.6×
78Jaipur Rajasthan, India
38.42.6×
79Hājīpur Bihar, India
38.02.5×
80Radomsko Łódź Voivodeship, Poland
37.92.5×
81Vijayawada Andhra Pradesh, India
37.62.5×
82Lorient Brittany, France
37.42.5×
82Sai Mai low-cost sensors Bangkok, Thailand
37.42.5×
84Gandhinagar Gujarat, India
37.32.5×
85Tirupati Andhra Pradesh, India
37.12.5×
86Delano low-cost sensors California, United States
37.02.5×
87Chānda Maharashtra, India
36.72.4×
88Żary Lubusz, Poland
36.62.4×
88Tlaquepaque Jalisco, Mexico
36.62.4×
90Pune Maharashtra, India
36.52.4×
91Otwock Mazovia, Poland
36.32.4×
92Ajmer Rajasthan, India
36.22.4×
93Jalgaon Maharashtra, India
35.92.4×
93Paris Île-de-France, France
35.92.4×
93Orléans Centre-Val de Loire, France
35.92.4×
96Étampes Île-de-France, France
35.82.4×
97Gwalior Madhya Pradesh, India
35.72.4×
97Brest Brittany, France
35.72.4×
99Kalisz Greater Poland, Poland
35.62.4×
100Chūru Rajasthan, India
35.52.4×
100Coulommiers Île-de-France, France
35.52.4×
102Zeitz Saxony-Anhalt, Germany
35.42.4×
102Tulare low-cost sensors California, United States
35.42.4×
104Albany Georgia, United States
35.32.4×
105Nashik Maharashtra, India
35.22.3×
105Tralee Munster, Ireland
35.22.3×
105Alençon Normandy, France
35.22.3×
108Wexford Leinster, Ireland
34.82.3×
109Bhiwandi Maharashtra, India
34.62.3×
110Ban Khlong Prawet low-cost sensors Bangkok, Thailand
34.52.3×
111Sholapur Maharashtra, India
34.42.3×
111Bikaner Rajasthan, India
34.42.3×
111Speyer Rheinland-Pfalz, Germany
34.42.3×
114Debrecen low-cost sensors Hajdú-Bihar, Hungary
34.32.3×
114Tours Centre-Val de Loire, France
34.32.3×
114Blois Centre-Val de Loire, France
34.32.3×
117Columbus Georgia, United States
34.12.3×
118Winterthur low-cost sensors Zurich, Switzerland
34.02.3×
119Bang Pakong low-cost sensors Chachoengsao, Thailand
33.92.3×
119Dublin Leinster, Ireland
33.92.3×
121Louviers Normandy, France
33.62.2×
122Ludwigshafen am Rhein Rheinland-Pfalz, Germany
33.52.2×
122Drogheda Leinster, Ireland
33.52.2×
124Évreux Normandy, France
33.42.2×
125Chittorgarh Rajasthan, India
33.12.2×
125Bijelo Polje Bijelo Polje, Montenegro
33.12.2×
127Joué-lès-Tours Centre-Val de Loire, France
33.02.2×
128Dhule Maharashtra, India
32.92.2×
129Dreux Centre-Val de Loire, France
32.62.2×
130Carlow Leinster, Ireland
32.52.2×
131Fengshan Takao, Taiwan
32.32.2×
132Akola Maharashtra, India
32.22.1×
133Yamuna Nagar Haryana, India
32.12.1×
134Hāpur Uttar Pradesh, India
32.02.1×
134Bangkok low-cost sensors Bangkok, Thailand
32.02.1×
136Yadgir Karnataka, India
31.82.1×
136Bernburg Saxony-Anhalt, Germany
31.82.1×
138Pljevlja Pljevlja, Montenegro
31.72.1×
139Thānesar Haryana, India
31.62.1×
139Chandigarh Chandigarh, India
31.62.1×
141Surat Gujarat, India
31.22.1×
141Rourkela Odisha, India
31.22.1×
141Ludwigsburg Baden-Wurttemberg, Germany
31.22.1×
141Victoria de Durango Durango, Mexico
31.22.1×
145Niš Central Serbia, Serbia
31.12.1×
145Heilbronn Baden-Wurttemberg, Germany
31.12.1×
147Islamabad low-cost sensors Islamabad, Pakistan
31.02.1×
147Bitterfeld-Wolfen Saxony-Anhalt, Germany
31.02.1×
149Rawalpindi low-cost sensors Punjab, Pakistan
30.92.1×
149Heidelberg Baden-Wurttemberg, Germany
30.92.1×
149Banja Luka Srpska, Bosnia and Herzegovina
30.92.1×
152Greystones Leinster, Ireland
30.82.1×
152Zagreb low-cost sensors Zagreb, Croatia
30.82.1×
154Karlsruhe Baden-Wurttemberg, Germany
30.72.0×
154Creil Hauts-de-France, France
30.72.0×
156Dessau Saxony-Anhalt, Germany
30.62.0×
156Bad Kreuznach Rheinland-Pfalz, Germany
30.62.0×
156Rouen Normandy, France
30.62.0×
159Mannheim Baden-Wurttemberg, Germany
30.52.0×
160Badlapur Maharashtra, India
30.42.0×
160Tuxtla Chiapas, Mexico
30.42.0×
162Valdosta Georgia, United States
30.32.0×
163Sīkar Rajasthan, India
30.22.0×
163Montargis Centre-Val de Loire, France
30.22.0×
165Tirumala Andhra Pradesh, India
30.12.0×
165Füssen low-cost sensors Bavaria, Germany
30.12.0×
167Saint Andrews South Carolina, United States
30.02.0×
167Wittenberg Saxony-Anhalt, Germany
30.02.0×
169Jammu low-cost sensors Jammu and Kashmir, India
29.92.0×
169Leixlip Leinster, Ireland
29.92.0×
171Bhilwara Rajasthan, India
29.82.0×
171Weißenfels Saxony-Anhalt, Germany
29.82.0×
171Warner Robins Georgia, United States
29.82.0×
174Strasbourg Grand Est, France
29.72.0×
175Ulm Baden-Wurttemberg, Germany
29.52.0×
175Luckenwalde Brandenburg, Germany
29.52.0×
177Zhushan Taiwan, Taiwan
29.42.0×
177Blankenfelde-Mahlow Brandenburg, Germany
29.42.0×
179Sawai Madhopur Rajasthan, India
29.32.0×
179Győr Győr-Moson-Sopron, Hungary
29.32.0×
181Boisar Maharashtra, India
29.21.9×
181Schwäbisch Hall Baden-Wurttemberg, Germany
29.21.9×
181Erfurt Thuringia, Germany
29.21.9×
181Beauvais Hauts-de-France, France
29.21.9×
185Olpe low-cost sensors North Rhine-Westphalia, Germany
29.11.9×
185Naas Leinster, Ireland
29.11.9×
187Serilingampalle Telangana, India
29.01.9×
188Latur Maharashtra, India
28.91.9×
188Athlone Leinster, Ireland
28.91.9×
190Zamość Lublin, Poland
28.81.9×
190Munich Bavaria, Germany
28.81.9×
190Altenburg Thuringia, Germany
28.81.9×
190Reims Grand Est, France
28.81.9×
194Weimar Thuringia, Germany
28.71.9×
194Cluain Meala Munster, Ireland
28.71.9×
196Tonk Rajasthan, India
28.61.9×
196Worms Rheinland-Pfalz, Germany
28.61.9×
196Naharlagun Arunachal Pradesh, India
28.61.9×
199Kolhāpur Maharashtra, India
28.51.9×
199Kehl Baden-Wurttemberg, Germany
28.51.9×

Top 200 of 2,292 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