Pollen count for the region Preston
hazel
alder
plantain
oak
nettle
mugwort
grasses
elm
birch
yew
willow
rumex
poplar
ash
hazel
yew
alder
plantain
oak
nettle
mugwort
grasses
elm
birch
willow
rumex
poplar
ash
hazel
yew
alder
plantain
oak
nettle
mugwort
grasses
elm
birch
willow
rumex
poplar
ash
hazel
yew
alder
plantain
oak
nettle
mugwort
grasses
elm
birch
willow
rumex
poplar
ash
hazel
yew
alder
plantain
oak
nettle
mugwort
grasses
elm
birch
willow
rumex
poplar
ash
hazel
yew
alder
plantain
oak
nettle
mugwort
grasses
elm
birch
willow
rumex
poplar
ash
alder
hazel
yew
plantain
oak
nettle
mugwort
grasses
elm
birch
willow
rumex
poplar
ash
