| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 249 (Very high) | 2 (Low) | 6 (Low) | 0 (Low) | 0 (Low) |
| February | 1,013 (Very high) | 0 (Low) | 15 (Low) | 2 (Low) | 0 (Low) |
| March | 760 (Very high) | 7,561 (Very high) | 12 (Low) | 14 (Low) | 5 (Low) |
| April | — | — | — | — | — |
| May | 21 (Low) | 2 (Low) | 285 (Very high) | 94 (High) | 611 (Very high) |
| June | 12 (Low) | 1 (Low) | 91 (High) | 13 (Low) | 99 (Medium) |
| July | 7 (Low) | 1 (Low) | 49 (Medium) | 6 (Low) | 4 (Low) |
| August | 20 (Low) | 0 (Low) | 5 (Low) | 2 (Low) | 2 (Low) |
| September | 9 (Low) | 1 (Low) | 6 (Low) | 2 (Low) | 2 (Low) |
| October | 19 (Low) | 0 (Low) | 4 (Low) | 1 (Low) | 1 (Low) |
| November | 17 (Low) | 2 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |
| December | 285 (Very high) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) |