| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| air quality criteria for particulate matter | 1.7 | 0.6 | 1065 | 14 | 43 |
| air | 0.14 | 0.4 | 4637 | 25 | 3 |
| quality | 1.6 | 0.8 | 6608 | 17 | 7 |
| criteria | 0.47 | 0.9 | 7552 | 50 | 8 |
| for | 0.41 | 0.4 | 685 | 86 | 3 |
| particulate | 1.74 | 0.1 | 9909 | 70 | 11 |
| matter | 1.3 | 0.8 | 6598 | 23 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| air quality criteria for particulate matter | 0.38 | 0.4 | 10000 | 91 |
