
Ashgreen
Fraxinus pennsylvanica
Moderate today, mostly grass pollen.
Last updated July 1, 2026
Grass pollen is the main driver in Sioux Falls today, sitting at a moderate level and pushing the overall index to moderate as well. Tree pollen has dropped off to very low, so local species like Linden, Juglans, Pine, Ash, and Honeylocust are contributing little right now. Expect grass to hold steady at moderate for the next couple of days before easing toward low by the end of the forecast period, while tree counts stay flat at very low throughout. That pattern fits the season, as grass typically peaks in late spring and early summer once the spring tree surge has faded. No weed pollen data is available at this time.
Every dot is a tree near Sioux Falls, colored by how allergenic it is. Click one for its details, and zoom in for a closer look.
The local tree genera behind today's pollen near Sioux Falls. Each bar is that genus's share of the tree pollen.
562 pollen-relevant trees nearby drive today's tree-pollen reading.
Get to know the tree types growing around Sioux Falls: what each looks like, how allergenic it is, and when it blooms.

Ashgreen
Fraxinus pennsylvanica

Walnutblack
Juglans nigra

Ashgr mrshl sdls
Fraxinus pennsylvanica

Hackberrycommon
Celtis occidentalis

Maplnorway
Acer platanoides

Honeylocust
Gleditsia triacanthos

Ashgr summit
Fraxinus pennsylvanica

Maplfrman aut bl
Acer freemanii

Oakbur
Quercus macrocarpa

Reg prin oak
Quercus warei

Redcedareastern
Juniperus virginiana

Maplsugar
Acer saccharum

Kntky coftree esp
Gymnocladus dioicus

Lindenamer fastg
Tilia americana

Pinescotch
Pinus sylvestris

Ashgr patmore
Fraxinus pennsylvanica