| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 1,597 (Very high) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) |
| February | 3,513 (Very high) | 0 (Low) | 11 (Low) | 2 (Low) | 0 (Low) |
| March | 310 (Very high) | 143 (High) | 12 (Low) | 2 (Low) | 0 (Low) |
| April | 36 (Medium) | 82 (Medium) | 11 (Low) | 18 (Low) | 1 (Low) |
| May | 79 (Medium) | 11 (Low) | 91 (High) | 62 (High) | 40 (Low) |
| June | 23 (Low) | 1 (Low) | 49 (Medium) | 29 (Medium) | 28 (Low) |
| July | 4 (Low) | 1 (Low) | 20 (Low) | 8 (Low) | 6 (Low) |
| August | 5 (Low) | 1 (Low) | 9 (Low) | 2 (Low) | 1 (Low) |
| September | 2 (Low) | 3 (Low) | 14 (Low) | 2 (Low) | 1 (Low) |
| October | 3 (Low) | 0 (Low) | 27 (Low) | 1 (Low) | 0 (Low) |
| November | 3 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 0 (Low) |
| December | 372 (Very high) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |