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