| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 1,232 (Very high) | 0 (Low) | 11 (Low) | 0 (Low) | 0 (Low) |
| February | 1,392 (Very high) | 1 (Low) | 16 (Low) | 0 (Low) | 1 (Low) |
| March | 1,280 (Very high) | 6,003 (Very high) | 11 (Low) | 5 (Low) | 0 (Low) |
| April | 43 (Medium) | 5,028 (Very high) | 44 (Medium) | 28 (Medium) | 42 (Low) |
| May | 22 (Low) | 22 (Low) | 138 (High) | 47 (Medium) | 437 (Very high) |
| June | 14 (Low) | 8 (Low) | 50 (Medium) | 12 (Low) | 66 (Medium) |
| July | 5 (Low) | 2 (Low) | 6 (Low) | 6 (Low) | 3 (Low) |
| August | 2 (Low) | 4 (Low) | 5 (Low) | 2 (Low) | 1 (Low) |
| September | 8 (Low) | 2 (Low) | 4 (Low) | 1 (Low) | 1 (Low) |
| October | 8 (Low) | 2 (Low) | 3 (Low) | 1 (Low) | 1 (Low) |
| November | 8 (Low) | 1 (Low) | 1 (Low) | 1 (Low) | 2 (Low) |
| December | 85 (Medium) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |