| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 214 (Very high) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) |
| February | 245 (Very high) | 0 (Low) | 10 (Low) | 0 (Low) | 0 (Low) |
| March | 57 (Medium) | 509 (Very high) | 22 (Low) | 6 (Low) | 0 (Low) |
| April | 7 (Low) | 632 (Very high) | 18 (Low) | 46 (Medium) | 3 (Low) |
| May | 28 (Low) | 0 (Low) | 221 (Very high) | 93 (High) | 722 (Very high) |
| June | 57 (Medium) | 0 (Low) | 148 (High) | 25 (Medium) | 142 (Medium) |
| July | 1 (Low) | 0 (Low) | 35 (Medium) | 3 (Low) | 3 (Low) |
| August | 1 (Low) | 0 (Low) | 6 (Low) | 2 (Low) | 2 (Low) |
| September | 2 (Low) | 0 (Low) | 4 (Low) | 1 (Low) | 1 (Low) |
| October | 26 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 0 (Low) |
| November | 12 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) |
| December | 49 (Medium) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) |