| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 307 (Very high) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| February | 404 (Very high) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) |
| March | 331 (Very high) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) |
| April | 49 (Medium) | 1,007 (Very high) | 22 (Low) | 62 (High) | 3 (Low) |
| May | 9 (Low) | 19 (Low) | 67 (Medium) | 90 (High) | 110 (Medium) |
| June | 23 (Low) | 0 (Low) | 113 (High) | 52 (High) | 637 (Very high) |
| July | 5 (Low) | 1 (Low) | 41 (Medium) | 5 (Low) | 21 (Low) |
| August | 1 (Low) | 0 (Low) | 5 (Low) | 2 (Low) | 7 (Low) |
| September | 12 (Low) | 5 (Low) | 8 (Low) | 2 (Low) | 3 (Low) |
| October | 132 (High) | 1 (Low) | 2 (Low) | 1 (Low) | 2 (Low) |
| November | 77 (Medium) | 1 (Low) | 1 (Low) | 1 (Low) | 1 (Low) |
| December | 78 (Medium) | 0 (Low) | 1 (Low) | 1 (Low) | 1 (Low) |