| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 282 (Very high) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) |
| February | 275 (Very high) | 0 (Low) | 3 (Low) | 1 (Low) | 0 (Low) |
| March | 428 (Very high) | 2,852 (Very high) | 10 (Low) | 16 (Low) | 1 (Low) |
| April | 22 (Low) | 1,135 (Very high) | 20 (Low) | 22 (Medium) | 137 (Medium) |
| May | 23 (Low) | 7 (Low) | 33 (Medium) | 27 (Medium) | 473 (Very high) |
| June | 3 (Low) | 1 (Low) | 16 (Low) | 56 (High) | 4 (Low) |
| July | 2 (Low) | 0 (Low) | 31 (Medium) | 34 (Medium) | 3 (Low) |
| August | 2 (Low) | 1 (Low) | 3 (Low) | 3 (Low) | 0 (Low) |
| September | 7 (Low) | 34 (Medium) | 2 (Low) | 2 (Low) | 1 (Low) |
| October | 10 (Low) | 10 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| November | 1,105 (Very high) | 1 (Low) | 1 (Low) | 0 (Low) | 1 (Low) |
| December | 384 (Very high) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |