| # | Product | Pollution Index |
|---|---|---|
| 1 | Mosul | 113.79 |
| 2 | Giza | 101.44 |
| 3 | Tlalnepantla de Baz | 95.83 |
| 4 | Faridabad | 94.53 |
| 5 | Antananarivo | 93.04 |
| 6 | Ghaziabad | 91.79 |
| 7 | Cairo | 91 |
| 8 | Gurgaon | 90.91 |
| 9 | Xi'an | 90.46 |
| 10 | Delhi | 90.24 |
| 11 | Karachi | 89.54 |
| 12 | Patna | 89.34 |
| 13 | Allahabad | 88.94 |
| 14 | Kanpur | 88.25 |
| 15 | Solapur | 88.02 |
| 16 | Varanasi | 87.95 |
| 17 | Raipur | 87.17 |
| 18 | Ludhiana | 87.13 |
| 19 | Gujranwala | 86.77 |
| 20 | Taichung | 85.58 |
| 21 | Ibadan | 85.34 |
| 22 | Jakarta | 85.01 |
| 23 | Lima | 84.9 |
| 24 | Hải Phòng | 84.48 |
| 24 | Wuhan | 84.48 |
| 26 | Amritsar | 84.25 |
| 27 | Mumbai | 83.36 |
| 28 | Skopje | 83.18 |
| 29 | Gwalior | 83.01 |
| 30 | Bangalore | 82.89 |
| 31 | Meerut | 82.26 |
| 32 | Faisalabad | 81.75 |
| 33 | Mexico City | 81.28 |
| 34 | Ningbo | 80.75 |
| 35 | Mandalay | 80.73 |
| 36 | Jalandhar | 80.51 |
| 37 | Tehran | 80.41 |
| 38 | Naples | 79.2 |
| 39 | São Paulo | 78.91 |
| 40 | Lahore | 78.7 |
| 41 | Almaty | 78.63 |
| 42 | Kolkata | 78.32 |
| 43 | Bangkok | 77.91 |
| 44 | Beijing | 77.87 |
| 45 | Amman | 76.88 |
| 46 | Kaduna | 76.29 |
| 47 | Mansoura | 76.21 |
| 48 | Guwahati | 76.01 |
| 49 | Jodhpur | 75.45 |
| 50 | Bucharest | 75.25 |