Low Pollen in Gresham, OR

About pollen in Gresham

Pollen levels around Gresham are low today, with the overall index sitting at 2. Grass and tree pollen are both registering at the Low end of the scale, so neither is dominating sharply, though grass is the type to watch as we move into early summer. The five-day grass forecast holds steady at 2 throughout, pointing to more of the same Low conditions ahead. Tree pollen from local species like Maple, Ash, Birch, Parrotia, and Styrax tends to fade after its spring peak, which fits the modest readings now. Weed pollen, including ragweed, typically becomes a factor later in summer and fall and has no data reported at this time.

What to do today

• It's a good day for outdoor activities since pollen levels are low.
• Do you know which plants cause your pollen allergy? Check out the pollen data to be prepared.

Tree map

Every dot is a tree near Gresham, 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 Gresham. Each bar is that genus's share of the tree pollen.

Meet the trees near you

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

Red maple

Acer rubrum

Allergenicity 3/4Blooms spring

Norway maple

Acer platanoides

Allergenicity 3/4Blooms spring

Pear

Pyrus

Allergenicity 1/4Blooms spring

Plum

Prunus

Allergenicity 1/4Blooms spring

Cherry

Prunus

Allergenicity 1/4Blooms spring

Deciduous oak

Quercus

Allergenicity 4/4Blooms spring

Ash

Fraxinus

Allergenicity 4/4Blooms spring

Birch

Betula

Allergenicity 5/4Blooms spring

Japanese maple

Acer palmatum

Allergenicity 3/4Blooms spring

Pine

Pinus

Allergenicity 1/4Blooms spring

Sweetgum

Liquidambar

Allergenicity 2/4Blooms spring

Other maple

Acer

Allergenicity 3/4Blooms spring

Zelkova

Zelkova serrata

Allergenicity 2/4Blooms spring

Linden

Tilia

Allergenicity 2/4Blooms summer

Bigleaf maple

Acer macrophyllum

Allergenicity 3/4Blooms spring

Paperbark maple

Acer griseum

Allergenicity 3/4Blooms spring

Common questions

What is the pollen count in Gresham, OR today?

Gresham, OR is at a low 2 out of 5 on the Universal Pollen Index today, driven mainly by tree pollen. The five-day outlook holds steady around 2 of 5.

Is tree pollen high in Gresham, OR right now?

Tree pollen is low today at 2 of 5. Most people won't have symptoms.

What plants are causing allergies in Gresham, OR?

The main sources right now are Maple, Ash, Birch, Parrotia, and Styrax.