Moderate Pollen in Arden-Arcade, CA

Moderate today, mostly weed pollen.

Last updated September 29, 2026

Today's index3out of 5Moderate
TreeNonein season
GrassVery Lowin season
WeedModeratein season

Driving it today

AlderAlnusMalusMalusMulberryMorusPyrusPyrusOakQuercusGrassesRagweed

Forecast

Wed
3
Thu
3
Fri
3
Sat
3

About pollen in Arden-Arcade

Weed pollen is the main driver of today's conditions in Arden-Arcade, sitting at a moderate level that could be noticeable for those who tend to react to it. Tree pollen is essentially quiet right now, and grass pollen is barely registering, so most of the day's allergy-related discomfort, if any, will trace back to weeds. Looking ahead, this pattern is expected to hold steady over the next several days, with weed pollen staying moderate and grass remaining very low. This fits the season well, since early fall is typically when weeds such as ragweed become the primary allergen, while local trees like alder, oak, mulberry, and the ornamental malus and pyrus varieties have long since finished their spring pollen release and stay dormant this time of year.

What to do today

  • It's important to shower and wash your hair after spending a lot of time outdoors.
  • When spending time outside, use sunglasses and a cap to keep pollen out of your face and eyes.
  • Wash clothes worn outdoors to remove any remnants of pollen grains.
  • If possible, wear glasses instead of contact lenses.
  • Did you hang any laundry outside? Now is a good time to hang clothes indoors or use a dryer if possible.

Tree map

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

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

Meet the trees near you

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

Italian cypress

Italian cypress

Cupressus sempervirens

Allergenicity 4/4Blooms winter,spring
Red maple

Red maple

Acer rubrum

Allergenicity 3/4Blooms spring
Northern hackberry

Northern hackberry

Celtis occidentalis

Allergenicity 3/4Blooms spring
Maple

Maple

Acer

Allergenicity 3/4Blooms spring
Silver maple

Silver maple

Acer saccharinum

Allergenicity 3/4Blooms spring
Trident maple

Trident maple

Acer buergerianum

Allergenicity 3/4Blooms spring
Chinese hackberry

Chinese hackberry

Celtis sinensis

Allergenicity 3/4Blooms spring
Velvet ash

Velvet ash

Fraxinus velutina

Allergenicity 4/4Blooms spring
Japanese maple

Japanese maple

Acer palmatum

Allergenicity 3/4Blooms spring
European white birch

European white birch

Betula pendula

Allergenicity 5/4Blooms spring
Boxelder

Boxelder

Acer negundo

Allergenicity 3/4Blooms spring
White alder

White alder

Alnus rhombifolia

Allergenicity 4/4Blooms winter,spring
Norway maple

Norway maple

Acer platanoides

Allergenicity 3/4Blooms spring
Monterey cypress

Monterey cypress

Cupressus macrocarpa

Allergenicity 4/4Blooms winter,spring
European ash

European ash

Fraxinus excelsior

Allergenicity 4/4Blooms spring
Camphor tree

Camphor tree

Cinnamomum camphora

Allergenicity 2/4Blooms spring

Common questions

What is the pollen count in Arden-Arcade, CA today?
Arden-Arcade, CA is at a moderate 3 out of 5 on the Universal Pollen Index today, driven mainly by weed pollen. The five-day outlook holds steady around 3 of 5.
Is weed pollen high in Arden-Arcade, CA right now?
Weed pollen is moderate today at 3 of 5, and it's in season now. Sensitive people may notice symptoms.
What plants are causing allergies in Arden-Arcade, CA?
The main sources right now are Alder, Malus, Mulberry, Pyrus, and Oak. Elm (Ulmaceae (the Elm family), Two distinct seasons, late winter to early spring, and late summer to fall (species dependent)) is actively pollinating.