| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 459 (Very high) | 0 (Low) | 16 (Low) | 0 (Low) | 0 (Low) |
| February | 408 (Very high) | 5 (Low) | 11 (Low) | 0 (Low) | 0 (Low) |
| March | 380 (Very high) | 576 (Very high) | 15 (Low) | 2 (Low) | 1 (Low) |
| April | 11 (Low) | 490 (Very high) | 11 (Low) | 17 (Low) | 4 (Low) |
| May | 8 (Low) | 0 (Low) | 338 (Very high) | 138 (Very high) | 279 (High) |
| June | 7 (Low) | 0 (Low) | 55 (Medium) | 26 (Medium) | 202 (High) |
| July | 1 (Low) | 0 (Low) | 75 (Medium) | 22 (Medium) | 3 (Low) |
| August | 1 (Low) | 0 (Low) | 5 (Low) | 2 (Low) | 1 (Low) |
| September | 1 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 1 (Low) |
| October | 6 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) |
| November | 16 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) |
| December | 898 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) |