| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| pm2.5 and pm10 safe levels | 1.56 | 0.5 | 3376 | 29 |
| what is a safe pm2.5 level | 1.52 | 0.8 | 9660 | 43 |
| pm 2.5 safe levels | 1.45 | 0.2 | 7431 | 11 |
| indoor pm2.5 safe levels | 0.17 | 0.5 | 9677 | 26 |
| what are safe indoor levels of pm2.5 | 0.65 | 1 | 5935 | 2 |
| pm2.5 safe levels indoors | 0.52 | 0.1 | 4450 | 90 |
| acceptable levels of pm2.5 | 0.29 | 0.3 | 9568 | 40 |
| safe levels of pm 10 | 0.07 | 0.3 | 5997 | 3 |
| pm2.5 and pm10 | 1.18 | 0.8 | 6375 | 50 |
| pm2.5 levels | 0.24 | 0.5 | 2762 | 97 |
| what is a good pm2.5 level | 0.57 | 0.3 | 9689 | 97 |
| pm10 safe levels indoors | 1.88 | 0.7 | 1003 | 63 |
| is pm2.5 or pm10 more harmful | 1.55 | 0.9 | 8926 | 25 |
| why is pm2.5 more dangerous than pm10 | 0.3 | 0.7 | 2020 | 58 |
| pm 1.0 safe levels | 0.34 | 0.1 | 4348 | 29 |
| what pm2.5 level is dangerous | 1.82 | 0.4 | 4434 | 42 |
| does pm10 include pm2.5 | 0.71 | 0.3 | 2087 | 95 |
| how much pm 2.5 is safe | 1.01 | 0.5 | 797 | 31 |
