| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 228 (Very high) | 1 (Low) | 2 (Low) | 0 (Low) | 2 (Low) |
| February | 413 (Very high) | 0 (Low) | 11 (Low) | 0 (Low) | 0 (Low) |
| March | 530 (Very high) | 60 (Medium) | 16 (Low) | 1 (Low) | 0 (Low) |
| April | 44 (Medium) | 4,673 (Very high) | 21 (Low) | 42 (Medium) | 0 (Low) |
| May | 151 (High) | 343 (Very high) | 433 (Very high) | 61 (High) | 385 (High) |
| June | 51 (Medium) | 10 (Low) | 173 (Very high) | 27 (Medium) | 383 (High) |
| July | 3 (Low) | 6 (Low) | 30 (Medium) | 6 (Low) | 4 (Low) |
| August | 1 (Low) | 3 (Low) | 5 (Low) | 1 (Low) | 2 (Low) |
| September | 8 (Low) | 3 (Low) | 2 (Low) | 0 (Low) | 1 (Low) |
| October | 31 (Medium) | 5 (Low) | 2 (Low) | 1 (Low) | 2 (Low) |
| November | 219 (Very high) | 5 (Low) | 2 (Low) | 1 (Low) | 2 (Low) |
| December | 203 (Very high) | 1 (Low) | 1 (Low) | 0 (Low) | 1 (Low) |