Previous Madrid-Ciudad Universitaria — 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 | 1.632 | 0 | 2 | 0 | 0 | 0 | 0 | 16 | 0 | 1 | 0 | 2 | 1 | 1 | 0 | 28 | 0 | 1 | 13 | 1 | 0 | 1 | 1 | 0 | 5 | 0 | 0 |
| February | 1.588 | 0 | 22 | 2 | 0 | 1 | 0 | 6 | 0 | 1 | 0 | 0 | 2 | 1 | 0 | 96 | 0 | 216 | 5 | 721 | 0 | 0 | 1 | 5 | 17 | 1 | 1 |
| March | 844 | 1.132 | 16 | 1 | 0 | 7 | 0 | 2 | 14 | 1 | 0 | 1 | 1 | 1 | 0 | 6 | 164 | 38 | 44 | 614 | 1 | 1 | 10 | 7 | 26 | 37 | 2 |
| April | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| May | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| June | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| July | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| August | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| September | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| October | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| November | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| December | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |