| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| criteria air pollutants definition | 0.46 | 0.8 | 7106 | 69 | 34 |
| criteria | 1.8 | 1 | 2318 | 89 | 8 |
| air | 1.83 | 0.2 | 9687 | 55 | 3 |
| pollutants | 0.91 | 0.4 | 8715 | 53 | 10 |
| definition | 0.34 | 0.7 | 9193 | 79 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| criteria air pollutants definition | 0.37 | 0.9 | 6783 | 46 |
