| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 1,216 (Very high) | 0 (Low) | 15 (Low) | 1 (Low) | 0 (Low) |
| February | 887 (Very high) | 0 (Low) | 15 (Low) | 0 (Low) | 0 (Low) |
| March | 418 (Very high) | 3 (Low) | 6 (Low) | 1 (Low) | 0 (Low) |
| April | 16 (Low) | 2,280 (Very high) | 36 (Medium) | 32 (Medium) | 5 (Low) |
| May | 26 (Low) | 102 (High) | 221 (Very high) | 118 (Very high) | 95 (Medium) |
| June | 63 (Medium) | 45 (Medium) | 284 (Very high) | 32 (Medium) | 506 (Very high) |
| July | 42 (Medium) | 19 (Low) | 155 (Very high) | 17 (Low) | 93 (Medium) |
| August | 4 (Low) | 13 (Low) | 14 (Low) | 4 (Low) | 10 (Low) |
| September | 6 (Low) | 14 (Low) | 9 (Low) | 2 (Low) | 8 (Low) |
| October | 22 (Low) | 4 (Low) | 3 (Low) | 2 (Low) | 2 (Low) |
| November | 5 (Low) | 3 (Low) | 2 (Low) | 1 (Low) | 1 (Low) |
| December | 40 (Medium) | 7 (Low) | 5 (Low) | 1 (Low) | 1 (Low) |