| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 545 (Very high) | 0 (Low) | 11 (Low) | 0 (Low) | 1 (Low) |
| February | 326 (Very high) | 1 (Low) | 7 (Low) | 1 (Low) | 0 (Low) |
| March | 543 (Very high) | 4,993 (Very high) | 12 (Low) | 4 (Low) | 0 (Low) |
| April | 23 (Low) | 1,430 (Very high) | 43 (Medium) | 157 (Very high) | 6 (Low) |
| May | 27 (Low) | 14 (Low) | 248 (Very high) | 179 (Very high) | 585 (Very high) |
| June | 12 (Low) | 4 (Low) | 58 (Medium) | 17 (Low) | 144 (Medium) |
| July | 4 (Low) | 2 (Low) | 35 (Medium) | 17 (Low) | 9 (Low) |
| August | 1 (Low) | 6 (Low) | 10 (Low) | 4 (Low) | 5 (Low) |
| September | 8 (Low) | 2 (Low) | 10 (Low) | 5 (Low) | 3 (Low) |
| October | 57 (Medium) | 4 (Low) | 2 (Low) | 1 (Low) | 3 (Low) |
| November | 305 (Very high) | 2 (Low) | 3 (Low) | 1 (Low) | 0 (Low) |
| December | 426 (Very high) | 1 (Low) | 4 (Low) | 1 (Low) | 0 (Low) |