| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 274 (Very high) | 1 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |
| February | 638 (Very high) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) |
| March | 419 (Very high) | 1 (Low) | 18 (Low) | 2 (Low) | 0 (Low) |
| April | 44 (Medium) | 1,139 (Very high) | 19 (Low) | 83 (High) | 2 (Low) |
| May | 11 (Low) | 78 (Medium) | 151 (Very high) | 136 (Very high) | 62 (Medium) |
| June | 28 (Low) | 12 (Low) | 307 (Very high) | 104 (Very high) | 348 (High) |
| July | 4 (Low) | 10 (Low) | 100 (High) | 12 (Low) | 18 (Low) |
| August | 4 (Low) | 9 (Low) | 16 (Low) | 5 (Low) | 9 (Low) |
| September | 8 (Low) | 2 (Low) | 9 (Low) | 2 (Low) | 4 (Low) |
| October | 83 (Medium) | 1 (Low) | 4 (Low) | 1 (Low) | 2 (Low) |
| November | 50 (Medium) | 1 (Low) | 2 (Low) | 1 (Low) | 1 (Low) |
| December | 148 (High) | 0 (Low) | 3 (Low) | 1 (Low) | 1 (Low) |