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