| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| criteria air pollutants include | 0.4 | 0.9 | 9537 | 39 | 31 |
| criteria | 1.29 | 0.6 | 5659 | 93 | 8 |
| air | 1.13 | 0.1 | 2136 | 86 | 3 |
| pollutants | 1.06 | 0.2 | 1128 | 79 | 10 |
| include | 0.8 | 0.3 | 3269 | 89 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| criteria air pollutants include | 0.29 | 0.3 | 5464 | 64 |
