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