| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 304 (Very high) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) |
| February | 703 (Very high) | 0 (Low) | 20 (Low) | 0 (Low) | 0 (Low) |
| March | 64 (Medium) | 0 (Low) | 25 (Low) | 0 (Low) | 0 (Low) |
| April | — | — | — | — | — |
| May | — | — | — | — | — |
| June | — | — | — | — | — |
| July | 2 (Low) | 1 (Low) | 14 (Low) | 6 (Low) | 1 (Low) |
| August | 3 (Low) | 2 (Low) | 11 (Low) | 3 (Low) | 0 (Low) |
| September | 4 (Low) | 0 (Low) | 6 (Low) | 1 (Low) | 2 (Low) |
| October | 5 (Low) | 0 (Low) | 30 (Medium) | 0 (Low) | 0 (Low) |
| November | 1,488 (Very high) | 0 (Low) | 80 (Medium) | 0 (Low) | 0 (Low) |
| December | 326 (Very high) | 0 (Low) | 9 (Low) | 0 (Low) | 1 (Low) |