| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 640 (Very high) | 0 (Low) | 5 (Low) | 0 (Low) | 1 (Low) |
| February | 761 (Very high) | 1 (Low) | 11 (Low) | 0 (Low) | 1 (Low) |
| March | 495 (Very high) | 670 (Very high) | 12 (Low) | 6 (Low) | 1 (Low) |
| April | 17 (Low) | 5,044 (Very high) | 15 (Low) | 68 (High) | 4 (Low) |
| May | 13 (Low) | 54 (Medium) | 283 (Very high) | 84 (High) | 267 (High) |
| June | 24 (Low) | 19 (Low) | 325 (Very high) | 68 (High) | 209 (High) |
| July | 9 (Low) | 45 (Medium) | 144 (High) | 8 (Low) | 11 (Low) |
| August | 2 (Low) | 2 (Low) | 9 (Low) | 3 (Low) | 2 (Low) |
| September | 2 (Low) | 4 (Low) | 3 (Low) | 3 (Low) | 2 (Low) |
| October | 50 (Medium) | 3 (Low) | 2 (Low) | 1 (Low) | 1 (Low) |
| November | 19 (Low) | 1 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |
| December | 31 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) |