| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| prevention of air pollution pdf | 1.48 | 0.5 | 9570 | 79 | 31 |
| prevention | 1.34 | 0.4 | 260 | 33 | 10 |
| of | 1.25 | 1 | 2718 | 38 | 2 |
| air | 0.52 | 1 | 6129 | 60 | 3 |
| pollution | 0.7 | 0.8 | 7269 | 79 | 9 |
| 1.13 | 0.6 | 6560 | 4 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| prevention of air pollution pdf | 0.63 | 0.7 | 1408 | 3 |
