| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 690 (Very high) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) |
| February | 267 (Very high) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) |
| March | 140 (High) | 734 (Very high) | 2 (Low) | 2 (Low) | 0 (Low) |
| April | 10 (Low) | 2,226 (Very high) | 48 (Medium) | 36 (Medium) | 14 (Low) |
| May | 20 (Low) | 13 (Low) | 486 (Very high) | 76 (High) | 520 (Very high) |
| June | 12 (Low) | 1 (Low) | 496 (Very high) | 54 (High) | 978 (Very high) |
| July | 4 (Low) | 5 (Low) | 15 (Low) | 2 (Low) | 13 (Low) |
| August | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 3 (Low) |
| September | 0 (Low) | 2 (Low) | 6 (Low) | 0 (Low) | 0 (Low) |
| October | 1 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) |
| November | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) |
| December | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) |