Pollen in Westminster, CA

No notable pollen right now.

Last updated July 28, 2026

Today's index0out of 5None
TreeNone

Driving it today

RhaphiolepisRhaphiolepisPhotiniaPhotiniaTristaniopsisTristaniopsisLagerstroemiaLagerstroemiaMelaleucaMelaleuca

Forecast

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About pollen in Westminster

Pollen levels in Westminster are quiet today, with tree pollen sitting at essentially none. Anyone who typically deals with seasonal allergies should find little to react to outdoors right now, making this a comfortable stretch for spending time outside without much concern. Looking ahead, conditions are expected to stay calm, with tree pollen holding at that same low point through the coming days. This tracks with the season, as the main flowering push from local trees like Rhaphiolepis, Photinia, Tristaniopsis, Lagerstroemia, and Melaleuca has largely wound down by midsummer. Barring any sudden shifts, allergy sufferers should continue to catch a bit of a break in the near term.

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 Westminster, 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 Westminster. Each bar is that genus's share of the tree pollen.

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

Meet the trees near you

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

Chinese elm

Chinese elm

Ulmus parvifolia

Allergenicity 3/4Blooms spring
Canary island pine

Canary island pine

Pinus canariensis

Allergenicity 1/4Blooms spring
Acer paxii

Acer paxii

Acer paxii

Allergenicity 3/4Blooms spring
Evergreen pear

Evergreen pear

Pyrus kawakamii

Allergenicity 1/4Blooms spring
Sawtooth zelkova

Sawtooth zelkova

Zelkova serrata

Allergenicity 2/4Blooms spring
Holly oak

Holly oak

Quercus ilex

Allergenicity 4/4Blooms spring
American sweetgum

American sweetgum

Liquidambar styraciflua

Allergenicity 2/4Blooms spring
London plane

London plane

Platanus acerifolia

Allergenicity 4/4Blooms spring
Honey locust

Honey locust

Gleditsia triacanthos

Allergenicity 2/4Blooms spring
Tulip tree

Tulip tree

Liriodendron tulipifera

Allergenicity 1/4Blooms spring
Maidenhair tree

Maidenhair tree

Ginkgo biloba

Allergenicity 1/4Blooms spring
Hollywood juniper

Hollywood juniper

Juniperus chinensis

Allergenicity 5/4Blooms winter,spring
Italian cypress

Italian cypress

Cupressus sempervirens

Allergenicity 4/4Blooms winter,spring
Shamel ash

Shamel ash

Fraxinus uhdei

Allergenicity 4/4Blooms spring
White mulberry

White mulberry

Morus alba

Allergenicity 5/4Blooms spring
Leaf plum purple

Leaf plum purple

Prunus cerasifera

Allergenicity 1/4Blooms spring

Common questions

What is the pollen count in Westminster, CA today?
Westminster, CA has no notable tree, grass, or weed pollen today.
What plants are causing allergies in Westminster, CA?
The main sources right now are Rhaphiolepis, Photinia, Tristaniopsis, Lagerstroemia, and Melaleuca.