| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 601 (Very high) | 0 (Low) | 10 (Low) | 0 (Low) | 0 (Low) |
| February | 805 (Very high) | 0 (Low) | 14 (Low) | 0 (Low) | 0 (Low) |
| March | 300 (Very high) | 746 (Very high) | 22 (Low) | 1 (Low) | 2 (Low) |
| April | 10 (Low) | 645 (Very high) | 16 (Low) | 20 (Medium) | 0 (Low) |
| May | 13 (Low) | 25 (Low) | 458 (Very high) | 84 (High) | 364 (High) |
| June | 9 (Low) | 1 (Low) | 161 (Very high) | 21 (Medium) | 201 (High) |
| July | 1 (Low) | 0 (Low) | 142 (High) | 15 (Low) | 5 (Low) |
| August | 1 (Low) | 1 (Low) | 13 (Low) | 3 (Low) | 1 (Low) |
| September | 1 (Low) | 0 (Low) | 5 (Low) | 1 (Low) | 1 (Low) |
| October | 8 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) |
| November | 10 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 1 (Low) |
| December | 355 (Very high) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |