| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| can asthma be caused by air pollution | 0.52 | 0.5 | 3952 | 15 |
| is asthma caused by air pollution | 0.68 | 0.4 | 4454 | 61 |
| is the air pollution bad for asthma | 0.23 | 0.3 | 3166 | 3 |
| how does pollution affect asthma | 0.95 | 0.2 | 615 | 37 |
| air pollutants that cause asthma | 1.72 | 0.7 | 5606 | 8 |
| how do air pollutants affect asthma | 1.44 | 0.3 | 5990 | 19 |
| air pollution asthma uk | 1.04 | 0.5 | 502 | 53 |
| air pollution children asthma | 0.86 | 0.9 | 1875 | 46 |
| air pollution and asthma statistics | 0.89 | 0.6 | 9355 | 81 |
| can poor air quality cause asthma | 0.13 | 0.7 | 790 | 23 |
