Previous Collado Villalba — 7 May 2011 Next
Type Value (grains/m³) Level
Cypress/Yew * 2 Low
London Plane * 0 Low
Grasses * 15 Low
Plantain * 4 Low
Olive * 0 Low
Birch 0 Low
Privet 0 Low
Alder 0 Low
Maple 77 High
Mugwort 0 Low
Chestnut 0 Low
Composites 3 Low
Hazel 0 Low
Heather 0 Low
Eucalyptus 0 Low
Ash 0 Low
Mulberry 0 Low
Elm 0 Low
Pine 32 Medium
Poplar 0 Low
Goosefoot/Amaranth 4 Low
Oak 259 Very high
Sorrel 24 Medium
Willow 0 Low
Nettle 0 Low
Other 32 No data
Unidentified 0 No data