| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 402 (Very high) | 1 (Low) | 7 (Low) | 0 (Low) | 0 (Low) |
| February | 571 (Very high) | 1 (Low) | 4 (Low) | 1 (Low) | 0 (Low) |
| March | 703 (Very high) | 9,240 (Very high) | 23 (Low) | 2 (Low) | 0 (Low) |
| April | 71 (Medium) | 8,880 (Very high) | 17 (Low) | 182 (Very high) | 5 (Low) |
| May | 23 (Low) | 146 (High) | 467 (Very high) | 153 (Very high) | 678 (Very high) |
| June | 6 (Low) | 12 (Low) | 44 (Medium) | 20 (Medium) | 177 (Medium) |
| July | 7 (Low) | 5 (Low) | 17 (Low) | 8 (Low) | 5 (Low) |
| August | 2 (Low) | 8 (Low) | 7 (Low) | 4 (Low) | 4 (Low) |
| September | 5 (Low) | 2 (Low) | 8 (Low) | 2 (Low) | 2 (Low) |
| October | 53 (Medium) | 2 (Low) | 2 (Low) | 2 (Low) | 2 (Low) |
| November | 330 (Very high) | 1 (Low) | 4 (Low) | 1 (Low) | 1 (Low) |
| December | 399 (Very high) | 1 (Low) | 3 (Low) | 1 (Low) | 0 (Low) |