Pollen in Louisville, KY

No notable pollen right now.

Last updated July 28, 2026

Today's index0out of 5None
TreeNone

Driving it today

CotinusCotinusHalesiaHalesiaChionanthusChionanthusCornusCornusElmUlmus

Forecast

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About pollen in Louisville

Pollen counts around Louisville are quiet today, with tree pollen sitting at essentially none. Anyone who typically reacts to trees like elm, dogwood, or fringetree should find little to worry about right now, and overall this is a low-irritation day for outdoor activity. Looking ahead, the tree pollen forecast stays flat over the next several days, so no meaningful change is expected in the near term. This tracks with the season, since the spring flush from trees such as elm, silverbell, and smoke tree has long passed, and mid to late summer here tends to be a lull before ragweed and other late-season plants make their presence known in the coming weeks.

What to do today

  • Pollen is minimal today, so it's a great time to be outside.
  • No special pollen precautions are needed right now.

Tree map

Every dot is a tree near Louisville, colored by how allergenic it is. Click one for its details, and zoom in for a closer look.

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Top tree-pollen sources

The local tree genera behind today's pollen near Louisville. Each bar is that genus's share of the tree pollen.

92 pollen-relevant trees nearby drive today's tree-pollen reading.

Meet the trees near you

Get to know the tree types growing around Louisville: what each looks like, how allergenic it is, and when it blooms.

Sugar maple

Sugar maple

Acer saccharum

Allergenicity 3/4Blooms spring
American sycamore

American sycamore

Platanus occidentalis

Allergenicity 4/4Blooms spring
Red maple

Red maple

Acer rubrum

Allergenicity 3/4Blooms spring
Pin oak

Pin oak

Quercus palustris

Allergenicity 4/4Blooms spring
White ash

White ash

Fraxinus americana

Allergenicity 4/4Blooms spring
Sweetgum

Sweetgum

Liquidambar styraciflua

Allergenicity 2/4Blooms spring
Green ash

Green ash

Fraxinus pennsylvanica

Allergenicity 4/4Blooms spring
Tulip poplar

Tulip poplar

Liriodendron tulipifera

Allergenicity 1/4Blooms spring
Eastern red cedar

Eastern red cedar

Juniperus virginiana

Allergenicity 5/4Blooms winter,spring
Swamp white oak

Swamp white oak

Quercus bicolor

Allergenicity 4/4Blooms spring
Northern catalpa

Northern catalpa

Catalpa speciosa

Allergenicity 2/4Blooms spring
Northern red oak

Northern red oak

Quercus rubra

Allergenicity 4/4Blooms spring
Scarlet red oak

Scarlet red oak

Quercus coccinea

Allergenicity 4/4Blooms spring
American elm

American elm

Ulmus americana

Allergenicity 3/4Blooms spring
Black cherry

Black cherry

Prunus serotina

Allergenicity 1/4Blooms spring
Silver maple

Silver maple

Acer saccharinum

Allergenicity 3/4Blooms spring

Common questions

What is the pollen count in Louisville, KY today?
Louisville, KY has no notable tree, grass, or weed pollen today.
What plants are causing allergies in Louisville, KY?
The main sources right now are Cotinus, Halesia, Chionanthus, Cornus, and Elm.