| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 239 (Very high) | 1 (Low) | 4 (Low) | 0 (Low) | 0 (Low) |
| February | 345 (Very high) | 1 (Low) | 14 (Low) | 0 (Low) | 0 (Low) |
| March | 656 (Very high) | 2,536 (Very high) | 14 (Low) | 2 (Low) | 0 (Low) |
| April | 24 (Low) | 2,619 (Very high) | 16 (Low) | 11 (Low) | 0 (Low) |
| May | 29 (Low) | 14 (Low) | 165 (Very high) | 82 (High) | 159 (Medium) |
| June | 14 (Low) | 1 (Low) | 79 (Medium) | 44 (Medium) | 164 (Medium) |
| July | 8 (Low) | 0 (Low) | 21 (Low) | 4 (Low) | 1 (Low) |
| August | 3 (Low) | 1 (Low) | 4 (Low) | 3 (Low) | 1 (Low) |
| September | 5 (Low) | 0 (Low) | 6 (Low) | 2 (Low) | 2 (Low) |
| October | 5 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 0 (Low) |
| November | 16 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| December | 111 (High) | 0 (Low) | 6 (Low) | 1 (Low) | 0 (Low) |