| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 226 (Very high) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| February | 568 (Very high) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) |
| March | 338 (Very high) | 1 (Low) | 10 (Low) | 0 (Low) | 1 (Low) |
| April | 29 (Low) | 3,232 (Very high) | 23 (Low) | 126 (Very high) | 1 (Low) |
| May | 13 (Low) | 280 (High) | 94 (High) | 180 (Very high) | 83 (Medium) |
| June | 19 (Low) | 12 (Low) | 99 (High) | 81 (High) | 764 (Very high) |
| July | 3 (Low) | 8 (Low) | 49 (Medium) | 23 (Medium) | 24 (Low) |
| August | 4 (Low) | 18 (Low) | 9 (Low) | 6 (Low) | 16 (Low) |
| September | 8 (Low) | 4 (Low) | 2 (Low) | 2 (Low) | 3 (Low) |
| October | 49 (Medium) | 6 (Low) | 2 (Low) | 1 (Low) | 2 (Low) |
| November | 45 (Medium) | 2 (Low) | 1 (Low) | 1 (Low) | 1 (Low) |
| December | 92 (High) | 1 (Low) | 3 (Low) | 1 (Low) | 1 (Low) |