| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 909 (Very high) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) |
| February | 3,079 (Very high) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) |
| March | 3,076 (Very high) | 16,448 (Very high) | 11 (Low) | 3 (Low) | 1 (Low) |
| April | 80 (Medium) | 2,045 (Very high) | 11 (Low) | 15 (Low) | 2 (Low) |
| May | 73 (Medium) | 87 (Medium) | 178 (Very high) | 63 (High) | 133 (Medium) |
| June | 67 (Medium) | 6 (Low) | 61 (Medium) | 20 (Medium) | 181 (Medium) |
| July | 5 (Low) | 1 (Low) | 18 (Low) | 2 (Low) | 6 (Low) |
| August | 9 (Low) | 27 (Low) | 9 (Low) | 2 (Low) | 2 (Low) |
| September | 3 (Low) | 2 (Low) | 9 (Low) | 2 (Low) | 1 (Low) |
| October | 8 (Low) | 8 (Low) | 3 (Low) | 1 (Low) | 1 (Low) |
| November | 3 (Low) | 1 (Low) | 1 (Low) | 1 (Low) | 1 (Low) |
| December | 36 (Medium) | 1 (Low) | 1 (Low) | 0 (Low) | 1 (Low) |