| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 734 (Very high) | 1 (Low) | 3 (Low) | 0 (Low) | 1 (Low) |
| February | 123 (High) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) |
| March | 222 (Very high) | 230 (High) | 16 (Low) | 1 (Low) | 0 (Low) |
| April | 31 (Medium) | 530 (Very high) | 15 (Low) | 54 (High) | 6 (Low) |
| May | 31 (Medium) | 20 (Low) | 287 (Very high) | 100 (Very high) | 220 (High) |
| June | 8 (Low) | 3 (Low) | 50 (Medium) | 21 (Medium) | 26 (Low) |
| July | 3 (Low) | 1 (Low) | 43 (Medium) | 9 (Low) | 2 (Low) |
| August | 3 (Low) | 1 (Low) | 9 (Low) | 3 (Low) | 1 (Low) |
| September | 2 (Low) | 1 (Low) | 6 (Low) | 2 (Low) | 2 (Low) |
| October | 6 (Low) | 2 (Low) | 6 (Low) | 1 (Low) | 1 (Low) |
| November | 38 (Medium) | 1 (Low) | 2 (Low) | 0 (Low) | 1 (Low) |
| December | 261 (Very high) | 2 (Low) | 2 (Low) | 0 (Low) | 1 (Low) |