| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| examples of criteria air pollutants include | 1.73 | 1 | 9870 | 86 | 43 |
| examples | 0.41 | 1 | 7604 | 36 | 8 |
| of | 1.9 | 0.7 | 1520 | 84 | 2 |
| criteria | 1.44 | 0.2 | 229 | 3 | 8 |
| air | 1.69 | 0.1 | 5860 | 57 | 3 |
| pollutants | 0.32 | 1 | 6557 | 49 | 10 |
| include | 1.71 | 0.1 | 609 | 33 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| examples of criteria air pollutants include | 0.55 | 0.1 | 1162 | 3 |
