Previous Collado Villalba — 22 March 2011 Next
Type Value (grains/m³) Level
Cypress/Yew * 40 Medium
London Plane * 1 Low
Grasses * 1 Low
Plantain * 0 Low
Olive * 0 Low
Birch 0 Low
Privet 0 Low
Alder 0 Low
Maple 1 Low
Mugwort 0 Low
Chestnut 0 Low
Composites 0 Low
Hazel 0 Low
Heather 0 Low
Eucalyptus 0 Low
Ash 1 Low
Mulberry 0 Low
Elm 1 Low
Pine 2 Low
Poplar 69 High
Goosefoot/Amaranth 0 Low
Oak 0 Low
Sorrel 1 Low
Willow 0 Low
Nettle 1 Low
Other 1 No data
Unidentified 0 No data