| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 335 (Very high) | 0 (Low) | 3 (Low) | 0 (Low) | 3 (Low) |
| February | 875 (Very high) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) |
| March | 133 (High) | 360 (Very high) | 28 (Low) | 3 (Low) | 3 (Low) |
| April | 44 (Medium) | 475 (Very high) | 26 (Low) | 35 (Medium) | 4 (Low) |
| May | 37 (Medium) | 0 (Low) | 261 (Very high) | 56 (High) | 471 (Very high) |
| June | 18 (Low) | 0 (Low) | 160 (Very high) | 28 (Medium) | 136 (Medium) |
| July | 2 (Low) | 0 (Low) | 41 (Medium) | 5 (Low) | 6 (Low) |
| August | 1 (Low) | 0 (Low) | 12 (Low) | 6 (Low) | 3 (Low) |
| September | 1 (Low) | 0 (Low) | 8 (Low) | 1 (Low) | 1 (Low) |
| October | 15 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 1 (Low) |
| November | 205 (Very high) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |
| December | 41 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) |