| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 506 (Very high) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) |
| February | 239 (Very high) | 0 (Low) | 8 (Low) | 5 (Low) | 0 (Low) |
| March | 252 (Very high) | 3,889 (Very high) | 26 (Low) | 26 (Medium) | 0 (Low) |
| April | 24 (Low) | 1,303 (Very high) | 46 (Medium) | 79 (High) | 135 (Medium) |
| May | — | — | — | — | — |
| June | — | — | — | — | — |
| July | — | — | — | — | — |
| August | — | — | — | — | — |
| September | — | — | — | — | — |
| October | — | — | — | — | — |
| November | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) |
| December | 81 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |