| Land Use | Average Monthly CO Concentration in PPM (2013/2014) | ||||||
| October | November | December | January | February | March | April | |
| Institutional | 2 | 0 | 3 | 3 | 3 | 2 | 2 |
| Agricultural | 1 | 0 | 2 | 3 | 2 | 2 | 2 |
| Commercial | 5 | 3 | 4 | 6 | 4 | 3 | 4 |
| Industrial | 5 | 2 | 4 | 5 | 4 | 4 | 4 |
| Residential | 0 | 1 | 3 | 4 | 3 | 3 | 3 |