| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 374 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) |
| February | 787 (Very high) | 0 (Low) | 37 (Medium) | 0 (Low) | 0 (Low) |
| March | 128 (High) | 4,265 (Very high) | 17 (Low) | 8 (Low) | 0 (Low) |
| April | 76 (Medium) | 77 (Medium) | 19 (Low) | 39 (Medium) | 206 (High) |
| May | 23 (Low) | 0 (Low) | 137 (High) | 119 (Very high) | 574 (Very high) |
| June | 2 (Low) | 1 (Low) | 143 (High) | 64 (High) | 23 (Low) |
| July | 1 (Low) | 0 (Low) | 27 (Low) | 13 (Low) | 1 (Low) |
| August | 1 (Low) | 4 (Low) | 13 (Low) | 5 (Low) | 0 (Low) |
| September | 1 (Low) | 2 (Low) | 3 (Low) | 2 (Low) | 0 (Low) |
| October | 14 (Low) | 2 (Low) | 2 (Low) | 5 (Low) | 0 (Low) |
| November | 15 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) |
| December | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) |