| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 915 (Very high) | 2 (Low) | 4 (Low) | 1 (Low) | 0 (Low) |
| February | 467 (Very high) | 0 (Low) | 10 (Low) | 5 (Low) | 0 (Low) |
| March | 301 (Very high) | 5,845 (Very high) | 11 (Low) | 29 (Medium) | 0 (Low) |
| April | 30 (Medium) | 2,130 (Very high) | 46 (Medium) | 75 (High) | 413 (Very high) |
| May | 19 (Low) | 50 (Medium) | 38 (Medium) | 42 (Medium) | 240 (High) |
| June | 6 (Low) | 25 (Low) | 51 (Medium) | 92 (High) | 4 (Low) |
| July | 1 (Low) | 2 (Low) | 27 (Low) | 32 (Medium) | 2 (Low) |
| August | 1 (Low) | 2 (Low) | 6 (Low) | 6 (Low) | 2 (Low) |
| September | 11 (Low) | 569 (Very high) | 4 (Low) | 2 (Low) | 4 (Low) |
| October | 37 (Medium) | 185 (High) | 3 (Low) | 1 (Low) | 1 (Low) |
| November | 1,104 (Very high) | 1 (Low) | 3 (Low) | 1 (Low) | 0 (Low) |
| December | 460 (Very high) | 1 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |