Low Pollen in Santa Ana, CA

Low today, mostly grass pollen.

Last updated July 1, 2026

Today's index2out of 5Low
TreeNone
GrassLowoff-season

Driving it today

SyagrusSyagrusJacarandaJacarandaLiquidambarLiquidambarPrunusPrunusLophostemonLophostemon

Forecast

Thu
2
Fri
2
Sat
2
Sun
2

About pollen in Santa Ana

Grass pollen is the main driver in Santa Ana today, sitting at a Low level on the Universal Pollen Index, while the overall reading is also Low. Tree pollen registers as None right now, with local allergenic species such as Oak, Elm, Callistemon, Pittosporum, and Lophostemon largely past their spring contribution. The five-day forecast holds grass steady at Low throughout, so expect little change in the days ahead. This pattern fits the season, as late spring and early summer typically favor grass over tree pollen. No weed data is available 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 Santa Ana, 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 Santa Ana. Each bar is that genus's share of the tree pollen.

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

Meet the trees near you

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

Canary island pine

Canary island pine

Pinus canariensis

Allergenicity 1/4Blooms spring
Ornamental pear

Ornamental pear

Pyrus calleryana

Allergenicity 1/4Blooms spring
Aristocrat pear

Aristocrat pear

Pyrus calleryana

Allergenicity 1/4Blooms spring
Afghan pine

Afghan pine

Pinus eldarica

Allergenicity 1/4Blooms spring
California sycamore

California sycamore

Platanus racemosa

Allergenicity 4/4Blooms spring
Evergreen pear

Evergreen pear

Pyrus kawakamii

Allergenicity 1/4Blooms spring
Holly oak

Holly oak

Quercus ilex

Allergenicity 4/4Blooms spring
Aleppo pine

Aleppo pine

Pinus halepensis

Allergenicity 1/4Blooms spring
Italian stone pine

Italian stone pine

Pinus pinea

Allergenicity 1/4Blooms spring
Leaf plum purple

Leaf plum purple

Prunus cerasifera

Allergenicity 1/4Blooms spring
London plane

London plane

Platanus acerifolia

Allergenicity 4/4Blooms spring
Shamel ash

Shamel ash

Fraxinus uhdei

Allergenicity 4/4Blooms spring
American sweetgum

American sweetgum

Liquidambar styraciflua

Allergenicity 2/4Blooms spring
Hollywood juniper

Hollywood juniper

Juniperus chinensis

Allergenicity 5/4Blooms winter,spring
White alder

White alder

Alnus rhombifolia

Allergenicity 4/4Blooms winter,spring
Olive

Olive

Olea europaea

Allergenicity 5/4Blooms spring,summer

Common questions

What is the pollen count in Santa Ana, CA today?
Santa Ana, CA is at a low 2 out of 5 on the Universal Pollen Index today, driven mainly by grass pollen. The five-day outlook holds steady around 2 of 5.
Is grass pollen high in Santa Ana, CA right now?
Grass pollen is low today at 2 of 5, and it's past its peak season. Most people won't have symptoms.
What plants are causing allergies in Santa Ana, CA?
The main sources right now are Syagrus, Jacaranda, Liquidambar, Prunus, and Lophostemon.