Previous Collado Villalba — 29 May 2025 Next
Type Value (grains/m³) Level
Cypress/Yew * 21 Low
London Plane * 0 Low
Grasses * 205 Very high
Plantain * 117 Very high
Olive * 96 Medium
Birch 1 Low
Privet 0 Low
Alder 0 Low
Maple 28 Medium
Mugwort 0 Low
Chestnut 0 Low
Composites 5 Low
Hazel 0 Low
Heather 1 Low
Eucalyptus 2 Low
Ash 0 Low
Mulberry 0 Low
Elm 0 Low
Pine 184 Very high
Poplar 0 Low
Goosefoot/Amaranth 3 Low
Oak 997 Very high
Sorrel 30 Medium
Willow 0 Low
Nettle 11 Low
Other 44 No data
Unidentified 22 No data