| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 798 (Very high) | 0 (Low) | 8 (Low) | 1 (Low) | 0 (Low) |
| February | 336 (Very high) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) |
| March | 453 (Very high) | 2 (Low) | 7 (Low) | 1 (Low) | 0 (Low) |
| April | 10 (Low) | 313 (Very high) | 16 (Low) | 15 (Low) | 5 (Low) |
| May | 13 (Low) | 16 (Low) | 131 (High) | 54 (High) | 77 (Medium) |
| June | 34 (Medium) | 2 (Low) | 133 (High) | 19 (Low) | 456 (Very high) |
| July | 29 (Low) | 2 (Low) | 94 (High) | 10 (Low) | 112 (Medium) |
| August | 1 (Low) | 1 (Low) | 4 (Low) | 3 (Low) | 6 (Low) |
| September | 6 (Low) | 1 (Low) | 4 (Low) | 4 (Low) | 5 (Low) |
| October | 26 (Low) | 1 (Low) | 3 (Low) | 1 (Low) | 1 (Low) |
| November | 3 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 1 (Low) |
| December | 17 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) |