| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| introduction to indoor air quality | 1.41 | 0.2 | 1890 | 100 | 34 |
| introduction | 0.19 | 0.9 | 5799 | 37 | 12 |
| to | 0.99 | 0.4 | 580 | 57 | 2 |
| indoor | 0.17 | 0.9 | 950 | 48 | 6 |
| air | 1.78 | 0.3 | 7139 | 80 | 3 |
| quality | 1.17 | 0.7 | 8690 | 34 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| introduction to indoor air quality | 1.83 | 1 | 2764 | 24 |
