| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 690 (Very high) | 0 (Low) | 10 (Low) | 0 (Low) | 0 (Low) |
| February | 618 (Very high) | 0 (Low) | 15 (Low) | 0 (Low) | 0 (Low) |
| March | 301 (Very high) | 297 (High) | 9 (Low) | 5 (Low) | 0 (Low) |
| April | 22 (Low) | 19 (Low) | 8 (Low) | 33 (Medium) | 2 (Low) |
| May | 14 (Low) | 0 (Low) | 627 (Very high) | 78 (High) | 161 (Medium) |
| June | 12 (Low) | 0 (Low) | 325 (Very high) | 51 (High) | 374 (High) |
| July | 2 (Low) | 0 (Low) | 17 (Low) | 5 (Low) | 2 (Low) |
| August | 2 (Low) | 0 (Low) | 4 (Low) | 2 (Low) | 1 (Low) |
| September | 3 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 0 (Low) |
| October | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| November | 5 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| December | 45 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) |