Grass pollen remains low but tree pollen remains at a moderate level. Those who are tree pollen allergic will need to take care.
Grass Pollen remains low but t here is still significant amounts of tree pollen around, those allergic to tree pollen will need to take care
Although grass pollen is low, there has been a significant amount of tree pollen around over the past 24 hours
Those who are allergic to tree pollen will need to take care