Previous Collado Villalba — 20 February 2025 Next
Type Value (grains/m³) Level
Cypress/Yew * 118 High
London Plane * 0 Low
Grasses * 5 Low
Plantain * 0 Low
Olive * 0 Low
Birch 0 Low
Privet 0 Low
Alder 4 Low
Maple 0 Low
Mugwort 0 Low
Chestnut 0 Low
Composites 0 Low
Hazel 1 Low
Heather 0 Low
Eucalyptus 0 Low
Ash 115 Very high
Mulberry 0 Low
Elm 39 Medium
Pine 1 Low
Poplar 1 Low
Goosefoot/Amaranth 0 Low
Oak 1 Low
Sorrel 1 Low
Willow 0 Low
Nettle 17 Medium
Other 2 No data
Unidentified 4 No data