World's most polluted cities (historical data 2017-2021)

Most polluted city ranking based on annual average PM2.5 concentration (μg/m³)

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2021

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World air quality report

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2021 World air quality report

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Meets WHO guideline
Exceeds by 1 to 2 times
Exceeds by 2 to 3 times
Exceeds by 3 to 5 times
Exceeds by 5 to 7 times
Exceeds by 7 to 10 times
Exceeds by over 10 times
RankAscending icon
City 2021 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2020 2019 2018 2017
1 India
Bhiwadi, India
106.2 145.8 129.8 120.2 125.7 86.5 95.9 55.6 55.4 37.1 91.1 188.6 136.6 95.5 83.4 125.4 -
2 India
Ghaziabad, India
102 199.9 172.2 97.8 86.3 52.9 47.2 35.3 37.6 30.8 89.7 218.3 163 106.6 110.2 135.2 144.6
3 India
Delhi, India
96.4 183.7 142.2 80.5 72.9 47.4 47.1 35.6 36.9 30.2 73.7 224.1 186.4 84.1 98.6 113.5 108.2
4 India
Jaunpur, India
95.3 182.2 143.5 91 70 51.1 40.7 33.5 34.2 36.8 75.7 196 195.7 - - - -
5 India
Noida, India
91.4 185.3 143.4 80.5 68.2 48 43.8 33.9 35 26.5 76.9 204.4 154.8 94.3 97.7 123.6 134
6 India
Bagpat, India
89.1 146.1 106.3 88.3 87.1 65.7 53.9 32.8 31.5 24.3 84.7 213.6 128.1 - 88.6 - -
7 India
Hisar, India
89 114.6 111.5 90.7 67.4 62 62.2 44 40.7 36.8 74.7 205.5 157.4 81.1 81 - -
8 India
Faridabad, India
88.9 128 109.3 88.8 76.3 58.4 57.2 40.8 38.7 30.2 82.2 202.7 163.5 83.3 85 129.1 123
9 India
Greater Noida, India
87.5 185.9 111.4 69 60.2 48 53.1 49.4 50.1 36 78.4 191.3 160.4 89.5 91.3 - -
10 India
Rohtak, India
86.9 147.3 109.4 80.5 64 47.6 46.6 48.8 43.5 40.8 76.9 217.5 139.9 74.4 59.7 81.6 96.7
11 India
Lucknow, India
86 158.5 118.5 93.5 76.3 45.3 37.7 33.6 29 25.8 65.6 195.4 155.1 86.2 90.3 115.7 119.2
12 India
Jind, India
84.1 109.8 57.4 74.6 77.2 55.1 53.1 50.4 43.2 28.4 80.6 199.5 146.3 81.6 85.4 91.6 126.5
13 India
Gurugram, India
83.4 132.2 116.4 78.7 71.2 50.8 47.8 37.3 36.4 32.4 67.9 181.8 151.7 75.3 93.1 135.8 145.6
14 India
Kanpur, India
83.2 185.8 90.8 77 58.7 40.1 33 27.1 25.1 21.3 65 221.3 175.5 89.1 48.5 88.2 119.2
15 India
Muzaffarpur, India
82.9 202.5 121.1 118.1 88.9 39.1 32.5 26.9 22.9 24.9 59.5 150.9 145.2 74.3 81.2 110.3 107.4
16 India
Varanasi, India
82.6 184.1 124.7 79.6 60.1 43.8 35.7 26.8 24.3 23.6 41.3 158.6 191.1 - - - -
17 India
Bulandshahr, India
80.8 176.7 102.4 94.7 73.2 48 42.2 31.9 31.4 24.2 82.6 157 146.9 98.4 89.4 - -
18 India
Meerut, India
80.6 143.7 140.9 88.9 66 44.5 35.5 24.8 23.1 14.7 70.1 183.4 136.9 82.3 - - -
19 India
Kadaura, India
80.3 170.1 110.6 63 43.8 43.2 37.4 31.7 32.9 33 64.5 180.3 159 - - - -
20 India
Patna, India
78.2 131.3 123 93.3 75.2 41.1 31.5 23 25.5 31.5 54.9 148.8 162 68.4 82.1 119.7 118.5
21 India
Dharuhera, India
76.9 117.6 90.8 81.7 75 55.7 54.7 45.3 41.5 31.2 67.8 144.2 121.6 72.5 - - -
22 India
Durgapur, India
75.8 140 114.3 102.6 75.3 47.1 42.3 24.7 41.2 34.1 67.6 117.3 104.8 - - - -
23 India
Amroha, India
75 - - 105.1 76.9 58.3 48.5 41.6 41.3 36 89.6 156.3 125 - - - -
24 India
Charkhi Dadri, India
73.9 91.5 89.9 55.1 52 49.6 48.1 40.2 46 34.3 67.1 179.5 119.4 - - - -
25 India
Agra, India
73.4 134.4 97.3 87.1 77 43.9 45.8 32.6 27.4 22.6 73.4 162.5 108 80.2 57.2 104.8 110.6
26 India
Yamuna Nagar, India
73.3 98.8 84.3 80.7 70.5 63.9 47.1 37.3 45.8 44.2 81.9 114.7 120.5 74.5 69.5 - -
27 India
Muzaffarnagar, India
73 104.8 47.3 50.8 61.2 55.7 53.6 44.1 42.3 30.4 78.3 152.2 143.2 78.6 89.1 - -
28 India
Alampur, India
72.5 101.8 102.6 122 117.6 57.4 60.8 54.5 38.2 24.3 61.6 68.2 63.7 66.2 59.2 - -
29 India
Ludhiana, India
71.8 49.7 56.5 57.5 43.9 54.9 46.8 49 43.5 45.7 95.7 165.7 139 45.2 49.3 55.1 -
30 India
Sonipat, India
68.7 105.8 85.9 46.1 65.7 54.4 49.1 36.8 35.7 31.1 59.4 184.1 87.1 47.4 59.2 - -
31 India
Kurukshetra, India
68.1 95.6 84.1 62.8 54.3 54.1 43.6 38 40.4 29.5 74.7 128.1 111.7 67.2 56.1 - -
32 India
Jodhpur, India
67.8 85.6 84.5 86.5 81.2 58.1 53 50.7 53.5 35.8 65.2 98.2 72.3 67.1 77.2 113.4 81.9
33 India
Singrauli, India
67.3 123.1 85.9 113.9 122.6 46.4 30.8 23 26.3 26.9 59.5 112 109.7 70.8 59.1 86.8 -
34 India
Ankleshwar, India
66.5 107.7 90.5 73.9 33.1 29.1 25.1 29.2 43.7 33.4 84.2 119.7 105.6 51.7 41.3 - -
35 India
Ambala, India
65.3 72.9 54.2 52.7 51.5 56.9 40.7 38.7 44.4 33.8 70.2 136.7 127.3 58 63 - -
36 India
Fatehabad, India
63.3 92 62.4 57.2 45.9 48 47.2 35.7 32.8 17.9 52.6 137.3 94.2 78.5 - - -
37 India
Bewar, India
61.4 128.2 68.8 43.6 32.2 34.8 29.8 26.2 28.3 26.6 55.8 141.8 112.6 - - - -
38 India
Kaimla, India
60.9 - 69.7 67.6 50.1 49.8 50 34.1 40 27.2 71.1 106.8 100.9 63.2 62.8 - -
39 India
Kutail, India
59.9 75.3 85.7 65.7 48 36 42.5 42.1 33.2 26.6 72.1 111.3 84.9 61.9 80.4 - -
40 India
Narnaul, India
59.7 102.3 73 65.6 65.4 46.7 40.9 38 35.9 32.6 43.6 107.2 94.7 49.2 - - -
41 India
Asansol, India
59.7 117.6 75.6 81.3 56.6 36.8 29.4 24.9 32.5 25.8 57.6 79.9 89.1 55.3 50.9 64.4 -
42 India
Kolkata, India
59 124.3 103.6 72.8 44.2 28.4 29.7 24 27.6 19.6 49.8 81.6 104.7 46.6 59.8 85.4 76.7
43 India
Fatehgarh Sahib, India
58.4 66.6 70.3 60.1 58.4 50.2 42.5 33.2 45.5 28.2 64.5 96.7 98.1 64.8 44.4 - -
44 India
Jalandhar, India
58.3 55.9 54.4 49.1 40 52.4 43.3 40.7 39.4 36.5 71.1 126.2 87.8 52.2 41 56.4 -
45 India
Hapur, India
58.2 40.3 48.3 41.3 28.4 16.2 16.2 12.6 38 24.4 85.3 163.2 153.4 44.2 - - -
46 India
Hajipur, India
58.1 83.6 81.9 91.4 86.7 38.2 32.4 26.8 25.1 23.4 41.4 92.1 80.8 54 - - -
47 India
Howrah, India
58 128.9 118.7 76.8 43.3 22.6 23 21.2 24.8 19.6 43.3 84.4 120.8 53.7 55.9 64.2 -
48 India
Kaithal, India
57.8 72.9 59 33.8 31.4 37.9 40.7 38.3 34.9 24.5 61.2 139.4 109.3 54.3 50 - -
49 India
Sirsa, India
57.8 59.5 64.9 53.6 45.5 51.8 60.4 40 35.4 18.2 50.6 120.2 81.8 47.2 73.7 - -
50 India
Kota, India
57 82.5 66.4 66.6 59.8 43.3 37.5 28.7 35.5 28.1 49.5 101 93.2 42.1 49.1 52.7 -

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