Previous Alcobendas — 30 March 1997 Next
Type Value (grains/m³) Level
Cypress/Yew * 10 Low
London Plane * 12 Low
Grasses * 1 Low
Plantain * 3 Low
Olive * 1 Low
Birch 3 Low
Privet 0 Low
Alder 0 Low
Mugwort 0 Low
Chestnut 0 Low
Composites 0 Low
Hazel 0 Low
Heather 0 Low
Eucalyptus 0 Low
Ash 0 Low
Mulberry 7 Low
Elm 1 Low
Pine 10 Low
Poplar 3 Low
Goosefoot/Amaranth 0 Low
Oak 52 High
Sorrel 0 Low
Willow 15 Medium
Nettle 3 Low
Unidentified 14 No data