| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 598 (Very high) | 0 (Low) | 45 (Medium) | 0 (Low) | 0 (Low) |
| February | 600 (Very high) | 0 (Low) | 51 (Medium) | 0 (Low) | 0 (Low) |
| March | 220 (Very high) | 2,013 (Very high) | 15 (Low) | 8 (Low) | 7 (Low) |
| April | 24 (Low) | 247 (High) | 8 (Low) | 18 (Low) | 11 (Low) |
| May | 38 (Medium) | 1 (Low) | 86 (High) | 55 (High) | 275 (High) |
| June | 35 (Medium) | 1 (Low) | 120 (High) | 72 (High) | 197 (Medium) |
| July | 2 (Low) | 3 (Low) | 64 (Medium) | 9 (Low) | 5 (Low) |
| August | 2 (Low) | 0 (Low) | 7 (Low) | 2 (Low) | 3 (Low) |
| September | 3 (Low) | 0 (Low) | 3 (Low) | 2 (Low) | 2 (Low) |
| October | 1 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) |
| November | 126 (High) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| December | 1,041 (Very high) | 0 (Low) | 20 (Low) | 0 (Low) | 0 (Low) |