| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 339 (Very high) | 1 (Low) | 4 (Low) | 0 (Low) | 0 (Low) |
| February | 493 (Very high) | 1 (Low) | 56 (Medium) | 10 (Low) | 1 (Low) |
| March | 79 (Medium) | 1,363 (Very high) | 63 (Medium) | 7 (Low) | 5 (Low) |
| April | 68 (Medium) | 58 (Medium) | 63 (Medium) | 26 (Medium) | 243 (High) |
| May | 18 (Low) | 2 (Low) | 98 (High) | 73 (High) | 441 (Very high) |
| June | 3 (Low) | 1 (Low) | 88 (High) | 53 (High) | 7 (Low) |
| July | — | — | — | — | — |
| August | — | — | — | — | — |
| September | — | — | — | — | — |
| October | — | — | — | — | — |
| November | — | — | — | — | — |
| December | — | — | — | — | — |