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Type Value (grains/m³) Level
Cypress/Yew * 251 Very high
London Plane * 49 Medium
Grasses * 16 Low
Plantain * 1 Low
Olive * 0 Low
Birch 34 Medium
Privet 0 Low
Alder 0 Low
Maple 35 Medium
Mugwort 0 Low
Chestnut 0 Low
Composites 0 Low
Hazel 0 Low
Heather 2 Low
Eucalyptus 0 Low
Ash 19 Medium
Mulberry 4 Low
Elm 1 Low
Pine 104 Very high
Poplar 40 Medium
Goosefoot/Amaranth 0 Low
Oak 12 Low
Sorrel 4 Low
Willow 9 Low
Nettle 1 Low
Other 2 No data
Unidentified 5 No data