| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 234 (Very high) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) |
| February | 275 (Very high) | 0 (Low) | 8 (Low) | 1 (Low) | 0 (Low) |
| March | 548 (Very high) | 1 (Low) | 13 (Low) | 3 (Low) | 1 (Low) |
| April | 18 (Low) | 1,743 (Very high) | 22 (Low) | 18 (Low) | 10 (Low) |
| May | 17 (Low) | 87 (Medium) | 324 (Very high) | 29 (Medium) | 227 (High) |
| June | 29 (Low) | 7 (Low) | 282 (Very high) | 24 (Medium) | 463 (Very high) |
| July | 11 (Low) | 2 (Low) | 41 (Medium) | 5 (Low) | 4 (Low) |
| August | 3 (Low) | 1 (Low) | 4 (Low) | 1 (Low) | 1 (Low) |
| September | 2 (Low) | 2 (Low) | 3 (Low) | 1 (Low) | 0 (Low) |
| October | 6 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| November | 131 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) |
| December | 30 (Medium) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |