Very Low Pollen in Fullerton, CA

About pollen in Fullerton

Pollen levels in Fullerton are quiet today. Tree pollen is essentially absent, and weeds are registering only a very slight presence, the kind of level unlikely to cause any noticeable irritation even for those who are typically sensitive. Overall, this is a low-impact day for outdoor allergies. Looking ahead, conditions should hold steady through the next several days, with weed pollen staying at a similarly low, background level and tree pollen remaining absent. This lines up with the season: local trees such as Geijera, Ficus, Jacaranda, Pistacia, and Lagerstroemia have largely finished their pollen release for the year, and grass activity typically tapers by midsummer as well. With late summer underway, weeds are the main pollen source to keep an eye on, though right now they are not producing much to worry about.

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 weed pollen. The five-day outlook holds steady around 1 of 5.

Is weed pollen high in Fullerton, CA right now?

Weed pollen is very low today at 1 of 5, and it's past its peak season. Most people won't notice it.

What plants are causing allergies in Fullerton, CA?

The main sources right now are Geijera, Ficus, Jacaranda, Pistacia, and Lagerstroemia.