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