Very Low Pollen in Fullerton, CA

About pollen in Fullerton

Pollen levels across Fullerton are low today, with tree, grass, and weed sources all registering at the bottom of the scale. Most people should be able to go about their outdoor routines without much irritation, and those with sensitivities are unlikely to notice much of an effect. Looking ahead, conditions are expected to hold steady over the next several days, with grass and weed pollen remaining low and no significant changes anticipated. This fits the season well: local trees such as Washingtonia, Syagrus, Cupaniopsis, Melaleuca, and Maple typically release their heaviest pollen in spring, while grass pollen usually peaks in late spring and early summer, and weeds like ragweed tend to pick up later in the fall. With autumn underway, it makes sense that overall activity remains quiet for now.

What to do today

• Pollen levels are very low right now. It's a great day to enjoy the outdoors!

Tree map

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

Meet the trees near you

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

Canary island pine

Pinus canariensis

Allergenicity 1/4Blooms spring

London plane

Platanus acerifolia

Allergenicity 4/4Blooms spring

Holly oak

Quercus ilex

Allergenicity 4/4Blooms spring

Maidenhair tree

Ginkgo biloba

Allergenicity 1/4Blooms spring

Chinese elm

Ulmus parvifolia

Allergenicity 3/4Blooms spring

Honey locust

Gleditsia triacanthos

Allergenicity 2/4Blooms spring

Leaf plum purple

Prunus cerasifera

Allergenicity 1/4Blooms spring

Alamo mexican sycamore

Platanus mexicana

Allergenicity 4/4Blooms spring

Tulip tree

Liriodendron tulipifera

Allergenicity 1/4Blooms spring

Hollywood juniper

Juniperus chinensis

Allergenicity 5/4Blooms winter,spring

American sweetgum

Liquidambar styraciflua

Allergenicity 2/4Blooms spring

Japanese black pine

Pinus thunbergiana

Allergenicity 1/4Blooms spring

Evergreen pear

Pyrus kawakamii

Allergenicity 1/4Blooms spring

Acer paxii

Acer paxii

Allergenicity 3/4Blooms spring

Ginkgo autumn gold

Ginkgo biloba

Allergenicity 1/4Blooms spring

White poplar

Populus alba

Allergenicity 3/4Blooms spring

Common questions

What is the pollen count in Fullerton, CA today?

Fullerton, CA is at a very low 1 out of 5 on the Universal Pollen Index today, driven mainly by tree pollen. The five-day outlook holds steady around 1 of 5.

Is tree pollen high in Fullerton, CA right now?

Tree pollen is very low today at 1 of 5. Most people won't notice it.

What plants are causing allergies in Fullerton, CA?

The main sources right now are Washingtonia, Syagrus, Cupaniopsis, Melaleuca, and Maple.