Previous Madrid-Ciudad Universitaria — 2026
| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 1,632 | 0 | 2 | 0 | 0 |
| February | 1,588 | 0 | 22 | 2 | 0 |
| March | 844 | 5,678 | 16 | 1 | 2 |
| April | 36 | 1,702 | 152 | 21 | 1,098 |
| May | 25 | 5 | 339 | 38 | 645 |
| June | — | — | — | 35 | 58 |
| July | — | — | — | 5 | 1 |
| August | — | — | — | 1 | 2 |
| September | — | — | — | — | — |
| October | — | — | — | — | — |
| November | — | — | — | — | — |
| December | — | — | — | — | — |