Pollen count for the region Alphen aan den Rijn
hazel
willow
poplar
alder
plantain
oak
mugwort
ragweed
grasses
birch
rye
rumex
beech
hazel
willow
poplar
alder
plantain
oak
mugwort
ragweed
grasses
birch
rye
rumex
beech
willow
poplar
hazel
alder
plantain
oak
mugwort
ragweed
grasses
birch
rye
rumex
beech
willow
poplar
hazel
alder
plantain
oak
mugwort
ragweed
grasses
birch
rye
rumex
beech
poplar
willow
hazel
alder
plantain
oak
mugwort
ragweed
grasses
birch
rye
rumex
beech
poplar
willow
hazel
alder
plantain
oak
mugwort
ragweed
grasses
birch
rye
rumex
beech
