Pollen in Louisville, KY

About pollen in Louisville

Pollen activity in Louisville is essentially quiet today. Tree pollen, the only category with a reading, is sitting at none, which means there's little to nothing in the air to trigger symptoms right now. Anyone who typically reacts to tree pollen should find today an easy one. Looking ahead, conditions are expected to hold steady at this low level over the next few days, with no significant rise on the horizon. This tracks with the season, since mid-November falls well outside the usual window for tree pollen from sources like elm, dogwood, and fringetree, which tend to release their pollen in spring rather than late fall. For now, there's little reason to expect any meaningful pollen exposure in the area.

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.

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.

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

Acer saccharum

Allergenicity 3/4Blooms spring

American sycamore

Platanus occidentalis

Allergenicity 4/4Blooms spring

Red maple

Acer rubrum

Allergenicity 3/4Blooms spring

Pin oak

Quercus palustris

Allergenicity 4/4Blooms spring

White ash

Fraxinus americana

Allergenicity 4/4Blooms spring

Sweetgum

Liquidambar styraciflua

Allergenicity 2/4Blooms spring

Green ash

Fraxinus pennsylvanica

Allergenicity 4/4Blooms spring

Tulip poplar

Liriodendron tulipifera

Allergenicity 1/4Blooms spring

Eastern red cedar

Juniperus virginiana

Allergenicity 5/4Blooms winter,spring

Swamp white oak

Quercus bicolor

Allergenicity 4/4Blooms spring

Northern catalpa

Catalpa speciosa

Allergenicity 2/4Blooms spring

Northern red oak

Quercus rubra

Allergenicity 4/4Blooms spring

Scarlet red oak

Quercus coccinea

Allergenicity 4/4Blooms spring

American elm

Ulmus americana

Allergenicity 3/4Blooms spring

Black cherry

Prunus serotina

Allergenicity 1/4Blooms spring

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.