| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 2,727 (Very high) | 1 (Low) | 4 (Low) | 0 (Low) | 0 (Low) |
| February | 2,288 (Very high) | 0 (Low) | 14 (Low) | 0 (Low) | 0 (Low) |
| March | 203 (Very high) | 172 (High) | 14 (Low) | 1 (Low) | 0 (Low) |
| April | 33 (Medium) | 113 (High) | 33 (Medium) | 34 (Medium) | 0 (Low) |
| May | 12 (Low) | 8 (Low) | 197 (Very high) | 46 (Medium) | 100 (Medium) |
| June | 3 (Low) | 0 (Low) | 24 (Low) | 4 (Low) | 52 (Medium) |
| July | — | — | — | — | — |
| August | — | — | — | — | — |
| September | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| October | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| November | 160 (High) | 0 (Low) | 2 (Low) | 0 (Low) | 2 (Low) |
| December | 54 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 4 (Low) |