Previous Collado Villalba — 12 May 2018 Next
Type Value (grains/m³) Level
Cypress/Yew * 1 Low
London Plane * 3 Low
Grasses * 67 Medium
Plantain * 82 High
Olive * 2 Low
Birch 4 Low
Privet 0 Low
Alder 0 Low
Maple 35 Medium
Mugwort 0 Low
Chestnut 1 Low
Composites 1 Low
Hazel 0 Low
Heather 4 Low
Eucalyptus 0 Low
Ash 0 Low
Mulberry 3 Low
Elm 0 Low
Pine 110 Very high
Poplar 0 Low
Goosefoot/Amaranth 0 Low
Oak 837 Very high
Sorrel 21 Medium
Willow 0 Low
Nettle 2 Low
Other 23 No data
Unidentified 8 No data