| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| co2 levels chart | 1.53 | 0.3 | 5159 | 40 | 16 |
| co2 | 0.18 | 0.7 | 7761 | 47 | 3 |
| levels | 0.28 | 0.5 | 6127 | 39 | 6 |
| chart | 1.98 | 0.4 | 3454 | 53 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| co2 levels chart | 1.01 | 0.5 | 132 | 7 |
| c02 levels chart | 0.82 | 0.1 | 2807 | 80 |
| indoor co2 levels chart | 0.42 | 0.6 | 8006 | 50 |
| co2 levels vs temperature charts | 0.08 | 0.1 | 5127 | 26 |
| chart of co2 levels over time | 0.92 | 0.9 | 4264 | 83 |
| chart of co2 levels over the past 10000 years | 0.81 | 0.7 | 6175 | 78 |
| co2 levels historical chart | 1.36 | 0.5 | 5974 | 13 |
| atmospheric co2 levels by year chart | 1.56 | 0.9 | 6043 | 99 |
| normal indoor co2 levels | 0.08 | 0.7 | 5074 | 87 |
| what should indoor co2 levels be | 1.56 | 0.9 | 5688 | 78 |
| normal co2 levels indoors | 1.09 | 0.5 | 9596 | 3 |
| indoor air quality co2 levels | 0.52 | 0.6 | 2691 | 1 |
| normal co2 levels indoor air | 1.17 | 0.9 | 5630 | 99 |
