| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 617 (Very high) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) |
| February | 451 (Very high) | 0 (Low) | 14 (Low) | 0 (Low) | 0 (Low) |
| March | 661 (Very high) | 0 (Low) | 15 (Low) | 0 (Low) | 0 (Low) |
| April | 14 (Low) | 92 (Medium) | 26 (Low) | 47 (Medium) | 2 (Low) |
| May | 68 (Medium) | 4 (Low) | 328 (Very high) | 79 (High) | 39 (Low) |
| June | 100 (High) | 0 (Low) | 353 (Very high) | 48 (Medium) | 716 (Very high) |
| July | 10 (Low) | 1 (Low) | 35 (Medium) | 8 (Low) | 4 (Low) |
| August | 4 (Low) | 0 (Low) | 6 (Low) | 2 (Low) | 0 (Low) |
| September | 2 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 0 (Low) |
| October | 1 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) |
| November | 2 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) |
| December | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) |