| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| photochemical smog health effects | 1.3 | 0.4 | 9656 | 67 | 33 |
| photochemical | 1.29 | 0.9 | 9304 | 23 | 13 |
| smog | 1.03 | 0.2 | 285 | 73 | 4 |
| health | 1.72 | 0.3 | 9310 | 100 | 6 |
| effects | 1.68 | 0.3 | 9049 | 13 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| photochemical smog health effects | 1.62 | 0.1 | 4184 | 56 |
| effects of photochemical smog on human health | 0.54 | 1 | 5907 | 55 |
| environmental effects of photochemical smog | 0.16 | 0.2 | 3339 | 59 |
| photochemical smog effects on environment | 0.49 | 0.9 | 2545 | 71 |
| how is photochemical smog harmful to humans | 0.8 | 0.9 | 2095 | 13 |
| effect of photochemical smog on environment | 1.01 | 0.9 | 2444 | 70 |
| photochemical smog effects on property | 1.91 | 1 | 6750 | 35 |
| photochemical smog effects on plants | 1.7 | 0.4 | 6737 | 11 |
| reaction of photochemical smog | 1.55 | 0.2 | 9241 | 99 |
| smog and photochemical smog | 1.45 | 0.6 | 9332 | 22 |
| what does photochemical smog do | 1.3 | 0.1 | 362 | 3 |
| health effects of smog | 1.5 | 0.8 | 2636 | 44 |
| photochemical smog is the result of | 0.67 | 0.3 | 3088 | 21 |
| photochemical smog chemical reaction | 1.17 | 0.6 | 3632 | 40 |
