Previous Alcobendas — 2026
| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive | Birch | Privet | Alder | Maple | Mugwort | Chestnut | Composites | Hazel | Heather | Eucalyptus | Ash | Mulberry | Elm | Pine | Poplar | Goosefoot/Am | Oak | Sorrel | Willow | Nettle | Other | Unidentified |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| January | 392 | 0 | 4 | 0 | 2 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 3 | 3 | 0 | 1 | 17 | 0 | 0 | 2 | 0 | 6 |
| February | 3.306 | 0 | 35 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 148 | 2 | 213 | 2 | 139 | 0 | 2 | 0 | 1 | 17 | 4 | 7 |
| March | 891 | 393 | 32 | 5 | 0 | 5 | 0 | 2 | 67 | 0 | 0 | 1 | 1 | 0 | 1 | 15 | 103 | 45 | 9 | 213 | 1 | 85 | 4 | 91 | 15 | 18 | 20 |
| April | — | — | — | 32 | 1.015 | 4 | 4 | 0 | 482 | 0 | — | 5 | 0 | 4 | 1 | 2 | 389 | 1 | 310 | 20 | — | 1.033 | 8 | 8 | 24 | 15 | 46 |
| May | — | — | — | 36 | 420 | 10 | 1 | 0 | 8 | 0 | — | 4 | 0 | 2 | 1 | 0 | 3 | 1 | 122 | 1 | — | 269 | 12 | 1 | 14 | 17 | 36 |
| June | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| July | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| August | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| September | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| October | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| November | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| December | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |