| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 437 (Very high) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) |
| February | 1,085 (Very high) | 0 (Low) | 28 (Low) | 0 (Low) | 0 (Low) |
| March | 1,158 (Very high) | 1 (Low) | 69 (Medium) | 2 (Low) | 0 (Low) |
| April | 16 (Low) | 131 (High) | 16 (Low) | 23 (Medium) | 1 (Low) |
| May | 11 (Low) | 4 (Low) | 140 (High) | 37 (Medium) | 87 (Medium) |
| June | 21 (Low) | 1 (Low) | 89 (High) | 6 (Low) | 23 (Low) |
| July | 1 (Low) | 1 (Low) | 4 (Low) | 2 (Low) | 2 (Low) |
| August | 2 (Low) | 0 (Low) | 2 (Low) | 2 (Low) | 0 (Low) |
| September | 1 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) |
| October | 65 (Medium) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) |
| November | 23 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| December | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |