| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 468 (Very high) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| February | 503 (Very high) | 2 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |
| March | 404 (Very high) | 0 (Low) | 18 (Low) | 0 (Low) | 1 (Low) |
| April | 80 (Medium) | 309 (Very high) | 15 (Low) | 15 (Low) | 1 (Low) |
| May | 10 (Low) | 25 (Low) | 69 (Medium) | 104 (Very high) | 28 (Low) |
| June | 15 (Low) | 2 (Low) | 301 (Very high) | 120 (Very high) | 126 (Medium) |
| July | 4 (Low) | 2 (Low) | 169 (Very high) | 18 (Low) | 23 (Low) |
| August | 2 (Low) | 1 (Low) | 10 (Low) | 6 (Low) | 3 (Low) |
| September | 1 (Low) | 0 (Low) | 19 (Low) | 1 (Low) | 2 (Low) |
| October | 40 (Medium) | 0 (Low) | 225 (Very high) | 1 (Low) | 1 (Low) |
| November | 40 (Medium) | 0 (Low) | 1 (Low) | 1 (Low) | 1 (Low) |
| December | 474 (Very high) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) |