Pollen count for the region Norwich

nettle
plantain
grasses
oak
mugwort
hazel
elm
birch
yew
willow
rumex
poplar
ash
alder
nettle
plantain
grasses
oak
mugwort
hazel
elm
birch
yew
willow
rumex
poplar
ash
alder
nettle
plantain
grasses
oak
mugwort
hazel
elm
birch
yew
willow
rumex
poplar
ash
alder
nettle
plantain
grasses
oak
mugwort
hazel
elm
birch
yew
willow
rumex
poplar
ash
alder
nettle
plantain
grasses
oak
mugwort
hazel
elm
birch
yew
willow
rumex
poplar
ash
alder
nettle
plantain
grasses
oak
mugwort
hazel
elm
birch
yew
willow
rumex
poplar
ash
alder
nettle
plantain
grasses
oak
mugwort
hazel
elm
birch
yew
willow
rumex
poplar
ash
alder