Previous Alcobendas — 2026
| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 392 | 0 | 4 | 0 | 2 |
| February | 3,306 | 0 | 35 | 0 | 0 |
| March | 891 | 3,390 | 32 | 5 | 0 |
| April | 32 | 972 | 102 | 32 | 1,015 |
| May | 30 | 17 | 122 | 57 | 420 |
| June | — | — | — | 42 | 80 |
| July | — | — | — | 5 | 7 |
| August | — | — | — | 1 | 1 |
| September | — | — | — | — | — |
| October | — | — | — | — | — |
| November | — | — | — | — | — |
| December | — | — | — | — | — |