| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| national air quality index pollutants | 1.71 | 1 | 3809 | 85 | 37 |
| national | 1.58 | 0.3 | 1932 | 37 | 8 |
| air | 1.22 | 0.8 | 6315 | 72 | 3 |
| quality | 0.63 | 0.4 | 1024 | 77 | 7 |
| index | 0.54 | 1 | 7724 | 86 | 5 |
| pollutants | 1.36 | 0.9 | 6586 | 11 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| national air quality index pollutants | 1.48 | 0.8 | 8097 | 82 |
| air quality index chart by pollutant | 0.3 | 0.2 | 2182 | 93 |
| national air quality index | 0.54 | 0.3 | 3661 | 43 |
| air pollution quality index | 2 | 0.3 | 3054 | 81 |
| national ambient air quality index | 0.3 | 0.4 | 8536 | 72 |
| air quality index today and pollution | 1.4 | 0.8 | 1011 | 100 |
| n air quality index | 1.11 | 0.3 | 2642 | 70 |
| air quality index list | 1.1 | 0.9 | 2721 | 1 |
| air quality number index | 0.81 | 0.6 | 7040 | 69 |
| air quality index numbers | 1.98 | 0.9 | 675 | 82 |
| air quality index pollution sources | 0.66 | 0.7 | 4340 | 88 |
| current air quality index | 1.68 | 0.1 | 4702 | 34 |
| air quality index information | 1.39 | 0.7 | 2602 | 79 |
| air quality index aqi and pollution | 1.74 | 0.1 | 5128 | 36 |
| air quality index epa | 0.21 | 0.9 | 2306 | 21 |
| air quality index united states | 1.87 | 0.9 | 3869 | 1 |
