| County | Reductions in PM2.5 Concentrations ($) | Reductions in PM2.5, NO, and NOx Concentrations ($) | ||
| Low Estimate | High Estimate | Low Estimate | High Estimate | |
| Davis | 24,358 | 54,760 | 53,075 | 119,287 |
| Salt Lake | 84,938 | 191,328 | 196,306 | 442,037 |
| Utah | 13,831 | 31,041 | 37,751 | 84,705 |
| Weber | 14,743 | 33,168 | 34,222 | 76,971 |
| Wasatch Front | 137,870 | 310,297 | 321,354 | 723,000 |