| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 887 (Very high) | 0 (Low) | 4 (Low) | 1 (Low) | 0 (Low) |
| February | 166 (High) | 0 (Low) | 8 (Low) | 2 (Low) | 0 (Low) |
| March | 403 (Very high) | 1,794 (Very high) | 7 (Low) | 1 (Low) | 0 (Low) |
| April | 12 (Low) | 2,164 (Very high) | 18 (Low) | 33 (Medium) | 23 (Low) |
| May | 30 (Medium) | 21 (Low) | 409 (Very high) | 108 (Very high) | 335 (High) |
| June | 14 (Low) | 5 (Low) | 63 (Medium) | 19 (Low) | 42 (Low) |
| July | 1 (Low) | 2 (Low) | 43 (Medium) | 5 (Low) | 2 (Low) |
| August | 6 (Low) | 1 (Low) | 5 (Low) | 4 (Low) | 3 (Low) |
| September | 1 (Low) | 1 (Low) | 6 (Low) | 2 (Low) | 2 (Low) |
| October | 8 (Low) | 7 (Low) | 2 (Low) | 1 (Low) | 1 (Low) |
| November | 66 (Medium) | 4 (Low) | 2 (Low) | 1 (Low) | 1 (Low) |
| December | 796 (Very high) | 1 (Low) | 3 (Low) | 1 (Low) | 0 (Low) |