| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 371 (Very high) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) |
| February | 1,090 (Very high) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |
| March | 79 (Medium) | 1,610 (Very high) | 4 (Low) | 6 (Low) | 2 (Low) |
| April | 19 (Low) | 291 (High) | 129 (High) | 69 (High) | 50 (Medium) |
| May | 19 (Low) | 13 (Low) | 685 (Very high) | 139 (Very high) | 919 (Very high) |
| June | 6 (Low) | 74 (Medium) | 96 (High) | 50 (High) | 269 (High) |
| July | 2 (Low) | 0 (Low) | 43 (Medium) | 10 (Low) | 7 (Low) |
| August | 3 (Low) | 0 (Low) | 5 (Low) | 4 (Low) | 3 (Low) |
| September | 1 (Low) | 0 (Low) | 9 (Low) | 2 (Low) | 2 (Low) |
| October | 29 (Low) | 5 (Low) | 3 (Low) | 0 (Low) | 0 (Low) |
| November | 79 (Medium) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) |
| December | 199 (High) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |