| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 1,420 (Very high) | 1 (Low) | 25 (Low) | 4 (Low) | 0 (Low) |
| February | 294 (Very high) | 0 (Low) | 26 (Low) | 1 (Low) | 0 (Low) |
| March | 237 (Very high) | 950 (Very high) | 21 (Low) | 1 (Low) | 0 (Low) |
| April | 9 (Low) | 633 (Very high) | 18 (Low) | 34 (Medium) | 2 (Low) |
| May | 11 (Low) | 21 (Low) | 343 (Very high) | 50 (High) | 203 (High) |
| June | 5 (Low) | 1 (Low) | 65 (Medium) | 21 (Medium) | 259 (High) |
| July | 1 (Low) | 0 (Low) | 80 (Medium) | 15 (Low) | 4 (Low) |
| August | 0 (Low) | 1 (Low) | 3 (Low) | 2 (Low) | 1 (Low) |
| September | 2 (Low) | 0 (Low) | 1 (Low) | 2 (Low) | 0 (Low) |
| October | 12 (Low) | 3 (Low) | 1 (Low) | 1 (Low) | 0 (Low) |
| November | 57 (Medium) | 3 (Low) | 1 (Low) | 1 (Low) | 0 (Low) |
| December | 1,202 (Very high) | 1 (Low) | 1 (Low) | 0 (Low) | 1 (Low) |