Pollen count for the region Katwijk aan Zee
oak
grasses
birch
willow
rumex
beech
poplar
rye
plantain
mugwort
ragweed
hazel
alder
oak
grasses
birch
willow
rumex
beech
poplar
rye
plantain
mugwort
ragweed
hazel
alder
poplar
oak
grasses
birch
willow
rye
rumex
beech
plantain
mugwort
ragweed
hazel
alder
oak
grasses
birch
willow
rumex
poplar
rye
beech
plantain
mugwort
ragweed
hazel
alder
oak
grasses
poplar
birch
willow
rye
rumex
beech
plantain
mugwort
ragweed
hazel
alder
oak
grasses
poplar
birch
willow
rye
rumex
beech
plantain
mugwort
ragweed
hazel
alder
oak
grasses
rumex
birch
willow
rye
poplar
beech
plantain
mugwort
ragweed
hazel
alder
