World's most polluted cities 2020 (PM2.5)
The most polluted cities according to data aggregated from over 80,000 data points.
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2020 Report - English
2020 World air quality report
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PM2.5 Legend 
Unit: µg/m³
| Rank | City | 2020 AVG | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | 2019 AVG | 2018 AVG | 2017 AVG |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  Hotan, China | 110.2 | 93.7 | 124.7 | 264.4 | 176.4 | 101.9 | 113.7 | 85.2 | 84 | 100.7 | 104.2 | 59.7 | 51.9 | 110.1 | 116 | 91.9 |
| 2 |  Ghaziabad, India | 106.6 | 146.3 | 111.8 | 76.9 | 88 | 84.1 | 69 | 62.7 | 58.5 | 84.7 | 157.3 | 161 | 178.9 | 110.2 | 135.2 | 144.6 |
| 3 | Bulandshahr, India | 98.4 | 116.9 | 97.8 | 71.7 | 86.4 | 85.3 | 65 | 53.6 | 57.4 | 82.2 | 145 | 150 | 167.1 | 89.4 | - | - |
| 4 | Bisrakh Jalalpur, India | 96 | 130 | 99 | 70.2 | 82.4 | 69.1 | 62 | 57 | 54.5 | 78.3 | 139.5 | 133.7 | 170.2 | - | - | - |
| 5 | Bhiwadi, India | 95.5 | 100.7 | 102.3 | 81.4 | 66 | 83.5 | 69 | 61.3 | 57 | 99.7 | 157.8 | 126.5 | 138.3 | 83.4 | 125.4 | - |
| 6 | Noida, India | 94.3 | 131.6 | 99.2 | 65.5 | 76.6 | 69.7 | 62.5 | 57.3 | 49.1 | 74.9 | 146.1 | 138.2 | 160.1 | 97.7 | 123.6 | 134 |
| 7 | Greater Noida, India | 89.5 | 116.7 | 90.4 | 55 | 68.6 | 68.8 | 54.1 | 55.6 | 47.1 | 62.6 | 134.4 | 136.6 | 177.9 | 91.3 | - | - |
| 8 | Kanpur, India | 89.1 | 130.7 | 83.9 | 71.6 | 73.3 | 69.5 | 54.6 | 53.2 | 52.4 | 71.2 | 114.4 | 130.4 | 158.7 | 48.5 | 88.2 | 119.2 |
| 9 | Lucknow, India | 86.2 | 106.8 | 85.1 | 75 | 71.3 | 74.6 | 57.3 | 55.8 | 52.2 | 76.9 | 114.5 | 117.1 | 146.8 | 90.3 | 115.7 | 119.2 |
| 10 | Delhi, India | 84.1 | 128.1 | 99.8 | 54.8 | 53.6 | 55.2 | 52.5 | 42 | 35.5 | 58.9 | 128 | 143.6 | 157.3 | 98.6 | 113.5 | 108.2 |
| 11 | Faridabad, India | 83.3 | 115.2 | 81.2 | 64.9 | 63.6 | 63.7 | 61.1 | 59.8 | 54.6 | 78.4 | 133.9 | 111.7 | 110.8 | 85 | 129.1 | 123 |
| 12 | Meerut, India | 82.3 | 90.7 | 85.8 | 61.3 | 74.8 | 73.9 | 49.8 | 44.2 | 47 | 69.5 | 127.4 | 115.8 | 141.4 | - | - | - |
| 13 | Jind, India | 81.6 | 80.2 | 77.7 | 61.7 | 64.2 | 64 | 69.5 | 56 | 49.9 | 76.8 | 141.3 | 122.6 | 110.9 | 85.4 | 91.6 | 126.5 |
| 14 | Hisar, India | 81.1 | 78.6 | 75.3 | 57.4 | 63.9 | 67 | 69.1 | 53.8 | 49.8 | 76.2 | 134 | 133.2 | 114.7 | 81 | - | - |
| 15 | Kashgar, China | 81 | 101.9 | 109.8 | 167.8 | 120 | 53.6 | 58.5 | 30.7 | 46.6 | 84.4 | 80.7 | 64.2 | 70.5 | 87.1 | 95.7 | 97.5 |
| 16 |  Manikganj, Bangladesh | 80.2 | 162.6 | 180 | 108.3 | 71.8 | 49 | 28.3 | 20.8 | 21 | 26.1 | 57.1 | 111.5 | 181.8 | - | - | - |
| 17 | Agra, India | 80.2 | 92.2 | 69.6 | 57.9 | 63.8 | 69.4 | 58.8 | 54.5 | 50.8 | 84.4 | 121.2 | 110.8 | 125.5 | 57.2 | 104.8 | 110.6 |
| 18 |  Lahore, Pakistan | 79.2 | 138 | 107.3 | 47 | 31.4 | 38.9 | 39.9 | 39.7 | 30.8 | 56 | 109.9 | 151.3 | 161 | 89.5 | 114.9 | 133.2 |
| 19 | Bahawalpur, Pakistan | 78.7 | 86.7 | 112.8 | 57.8 | 46.6 | 56.5 | 49.8 | 46 | 31 | 48.8 | 85.5 | 177.2 | 196.9 | - | - | - |
| 20 | Muzaffarnagar, India | 78.6 | 108.1 | 90.9 | 69.5 | 63.5 | 77.1 | 56.2 | 52.4 | 49.5 | 77.7 | 126.1 | 102.4 | 77.4 | 89.1 | - | - |
| 21 | Fatehabad, India | 78.5 | 48.1 | 66.1 | 53.1 | 54.8 | 67.6 | 94 | 65.3 | 43.5 | 69.7 | 135 | 152.5 | 95.6 | - | - | - |
| 22 | Bandhwari, India | 77.6 | 94.3 | 80.7 | 57.4 | 61.8 | 66.9 | 56.7 | 53.2 | 52.6 | 65.8 | 107.4 | 106.9 | 124.4 | 90.5 | - | - |
| 23 | Dhaka, Bangladesh | 77.1 | 184.4 | 147.1 | 94.3 | 54 | 38.6 | 28.5 | 24.2 | 24.5 | 30.3 | 51.7 | 82.6 | 165.7 | 83.3 | 97.1 | 79.7 |
| 24 | Gurugram, India | 75.3 | 79.4 | 66.5 | 56.7 | 57.7 | 60 | 59.1 | 53.7 | 49.9 | 75.5 | 120.6 | 113.5 | 111.1 | 93.1 | 135.8 | 145.6 |
| 25 |  South Tangerang, Indonesia | 74.9 | 53.7 | 46.9 | 53.2 | 72.8 | 73.2 | 97 | 101.1 | 98.5 | 89.4 | - | - | - | 81.3 | - | - |
| 26 | Yamuna Nagar, India | 74.5 | 88 | 74.7 | 59.1 | 57.4 | 63.4 | 52.5 | 50.7 | 49.9 | 73.4 | 114 | 102.9 | 113.7 | 69.5 | - | - |
| 27 | Rohtak, India | 74.4 | 85.7 | 74.8 | 56.3 | 61.4 | 62 | 62.6 | 50 | 46.4 | 59.7 | 110.7 | 108.1 | 115.2 | 59.7 | 81.6 | 96.7 |
| 28 | Muzaffarpur, India | 74.3 | 156 | 112 | 77.5 | 51 | 49.4 | 38.9 | 40.2 | 40.7 | 40.2 | 67.7 | 96.2 | 123.6 | 81.2 | 110.3 | 107.4 |
| 29 | Faisalabad, Pakistan | 73.2 | 146.3 | 108.2 | 54.7 | 34.6 | 39.2 | 45.7 | 50 | 38.3 | 56.7 | 103.9 | 203.9 | 101.5 | 104.6 | 130.4 | - |
| 30 | Dharuhera, India | 72.5 | 73.7 | 79.7 | 56.8 | 39.1 | 34.3 | 37.8 | 30.5 | 21.4 | 52.8 | 129.7 | 159.3 | 177.7 | - | - | - |
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