| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| criteria air pollutants epa | 1.76 | 0.8 | 640 | 88 | 27 |
| criteria | 0.12 | 0.5 | 2617 | 68 | 8 |
| air | 0.96 | 0.1 | 8047 | 27 | 3 |
| pollutants | 0.99 | 0.8 | 1954 | 78 | 10 |
| epa | 0.3 | 0.3 | 4489 | 83 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| criteria air pollutants epa | 1.46 | 0.3 | 6698 | 62 |
