| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 274 (Very high) | 0 (Low) | 10 (Low) | 0 (Low) | 0 (Low) |
| February | 264 (Very high) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) |
| March | 408 (Very high) | 6,733 (Very high) | 17 (Low) | 2 (Low) | 0 (Low) |
| April | 45 (Medium) | 4,513 (Very high) | 46 (Medium) | 177 (Very high) | 2 (Low) |
| May | 16 (Low) | 17 (Low) | 529 (Very high) | 247 (Very high) | 778 (Very high) |
| June | 6 (Low) | 3 (Low) | 41 (Medium) | 16 (Low) | 163 (Medium) |
| July | 2 (Low) | 1 (Low) | 11 (Low) | 4 (Low) | 8 (Low) |
| August | 2 (Low) | 1 (Low) | 5 (Low) | 4 (Low) | 4 (Low) |
| September | 5 (Low) | 9 (Low) | 3 (Low) | 2 (Low) | 3 (Low) |
| October | 33 (Medium) | 8 (Low) | 1 (Low) | 8 (Low) | 1 (Low) |
| November | 333 (Very high) | 8 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |
| December | 338 (Very high) | 1 (Low) | 3 (Low) | 0 (Low) | 0 (Low) |