| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 347 (Very high) | 1 (Low) | 14 (Low) | 2 (Low) | 0 (Low) |
| February | 370 (Very high) | 1 (Low) | 9 (Low) | 1 (Low) | 0 (Low) |
| March | 321 (Very high) | 1,486 (Very high) | 9 (Low) | 5 (Low) | 1 (Low) |
| April | 11 (Low) | 2,412 (Very high) | 12 (Low) | 90 (High) | 3 (Low) |
| May | 18 (Low) | 47 (Medium) | 298 (Very high) | 98 (High) | 229 (High) |
| June | 13 (Low) | 9 (Low) | 138 (High) | 50 (High) | 404 (Very high) |
| July | 3 (Low) | 4 (Low) | 110 (High) | 15 (Low) | 21 (Low) |
| August | 1 (Low) | 2 (Low) | 10 (Low) | 6 (Low) | 4 (Low) |
| September | 3 (Low) | 2 (Low) | 5 (Low) | 2 (Low) | 3 (Low) |
| October | 29 (Low) | 15 (Low) | 2 (Low) | 1 (Low) | 2 (Low) |
| November | 24 (Low) | 2 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| December | 3 (Low) | 1 (Low) | 2 (Low) | 0 (Low) | 1 (Low) |