| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| air quality parameters pdf | 1.69 | 0.8 | 5079 | 17 | 26 |
| air | 1.84 | 1 | 5344 | 17 | 3 |
| quality | 0.63 | 1 | 4427 | 3 | 7 |
| parameters | 0.5 | 0.8 | 5975 | 7 | 10 |
| 0.63 | 0.9 | 3004 | 66 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| air quality parameters pdf | 1.05 | 0.2 | 7325 | 28 |
| air quality parameters | 1.9 | 0.1 | 1136 | 81 |
| air quality parameters and standards | 1.72 | 0.8 | 6919 | 88 |
| parameters of air quality index | 1.77 | 0.2 | 4388 | 100 |
| indoor air quality parameters | 1.6 | 0.2 | 5181 | 64 |
| indoor air quality measurement parameters | 0.39 | 0.1 | 1976 | 62 |
| ambient air quality monitoring parameters | 0.11 | 0.4 | 8927 | 76 |
| ambient air quality standards pdf | 1.5 | 0.3 | 4516 | 30 |
| air quality other standards | 0.25 | 0.6 | 7665 | 77 |
| air quality criteria and standards | 0.89 | 0.9 | 2839 | 22 |
| air quality index pdf | 1.53 | 0.4 | 249 | 78 |
| introduction to air quality | 0.81 | 0.4 | 3346 | 65 |
| who air quality guidelines pdf | 0.18 | 0.1 | 4089 | 42 |
| analysis of air quality | 0.7 | 0.4 | 6673 | 3 |
| normal air quality standards | 0.31 | 0.2 | 2966 | 42 |
| airport air quality manual | 0.14 | 0.7 | 2647 | 74 |
| summary of air quality | 1.43 | 0.4 | 1191 | 21 |
| pm air quality standards | 1.17 | 0.8 | 6329 | 22 |
| measurement of air quality | 0.09 | 0.6 | 926 | 54 |
| current air quality standards | 0.12 | 1 | 9683 | 66 |
| guidelines for air quality | 0.28 | 0.3 | 9928 | 21 |
| normal air quality measurement | 0.68 | 0.4 | 3428 | 41 |
