Các thành phố ô nhiễm nhất thế giới năm 2021 – Xếp hạng PM2.5 | IQAir

1 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 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 Hotan, Trung Quốc 101.5 – – 158 91.1 167.4 57.4 70.9 93.2 79.3 126.1 111.5 62.6 110.2 110.1 116 91.9 4 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 5 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 – – – – 6 Faisalabad, Pakistan 94.2 207.1 118 71.2 44.6 51.2 44.7 50.4 50 51.9 – 234.5 241.7 73.2 104.6 130.4 – 7 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 8 Bahawalpur, Pakistan 91 173.9 145.1 77.3 51.4 45.2 54.4 42.2 43.7 38.2 67.2 197 221.2 78.7 – – – 9 Peshawar, Pakistan 89.6 103.9 137.2 59.6 48 49.2 68.5 54.3 55.8 60.8 77.5 182.3 176.9 – 63.9 – – 10 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 – – 11 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 – – 12 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 13 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 – – 14 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 15 Lahore, Pakistan 86.5 140.6 135.1 55.8 38.7 33.8 27.9 25 36.5 45.6 85.1 205.4 212.1 79.2 89.5 114.9 133.2 16 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 17 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 18 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 19 Kashgar, Nước Trung Hoa 83.2 93.1 100.5 123.4 60.4 89.8 18.1 26.7 46.4 64.6 99.5 147.1 116.6 81 87.1 95.7 97.5 20 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 21 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 22 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 – – – – 23 Sahiwal, Pakistan 81.7 83.7 116.2 83.1 58.4 50.1 50.3 53.9 62.9 71 104.4 275 – – – – – 24 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 – – 25 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 – – – 26

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 – – – – 27 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 28 Dhaka, Bangladesh 78.1 188.6 157.9 118.7 65.1 41 34.5 20.2 27.6 29 56.5 97.5 105.3 77.1 83.3 97.1 79.7 29 N’Djamena, Chad 77.6 93 198.6 160 103 61.1 40.5 18.3 15.4 21.5 44.6 59.6 146.2 – – – – 30 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 – – – 31 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 – – – – 32 Karagandy, Kazakhstan 75.5 107.6 59.3 49.1 56.5 65.1 53.4 52.1 55 74.6 112.8 114.4 115.1 – – – – 33 Amroha, India 75 – – 105.1 76.9 58.3 48.5 41.6 41.3 36 89.6 156.3 125 – – – – 34 Sreepur, Bangladesh 74.8 225 166.5 119.1 86.8 47 32.5 19 29.1 24.4 56.3 108.6 93.3 55.7 – – – 35 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 – – – – 36 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 37 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 – – 38 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 – – 39 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 – – 40 Shchuchinsk, Kazakhstan 72.5 2.1 1.8 52.3 83.6 75.1 72.9 68.8 70.6 69.5 78 83.1 89.7 – – – – 41 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 – 42 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 – – 43 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 – – 44 Burabay, Kazakhstan 67.9 54.8 63.2 63 62.2 66.3 75.7 60.9 84.9 60.2 73.3 69.8 77.8 – – – – 45 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 46 Kostanay, Kazakhstan 67.4 33.3 30.3 58.2 66.3 76.8 60 62 71.5 84.5 86.9 86.9 88.8 – – – – 47 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 – 48 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 – – 49 Igdir, Turkey 66.2 196.7 95.5 28.3 20.6 16.7 26.1 20.1 28.1 26 43.7 106.9 175.7 – – – – 50 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

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