| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| ventilation air change rates | 1.84 | 0.5 | 5868 | 66 | 28 |
| ventilation | 1.97 | 0.6 | 4121 | 96 | 11 |
| air | 1.42 | 0.6 | 4481 | 18 | 3 |
| change | 0.48 | 0.5 | 9608 | 78 | 6 |
| rates | 1.16 | 0.7 | 239 | 3 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| ventilation air change rates | 0.76 | 0.4 | 2403 | 92 |
