Pollen in Fontana, CA

No notable pollen right now.

Last updated November 14, 2026

Today's index0out of 5None
TreeNone

Driving it today

PyrusPyrusEucalyptusEucalyptusPlanePlatanusPinePinusLagerstroemiaLagerstroemia

Forecast

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About pollen in Fontana

Pollen levels in Fontana are quiet today, with tree pollen sitting at essentially none. Anyone who typically reacts to trees like Pyrus, Eucalyptus, Plane, Pine, or Lagerstroemia should find little to notice outdoors right now. Looking ahead, conditions are expected to remain calm over the next several days, with tree pollen staying at the low end. This fits the season, since most local trees are well past their active spring release and are not expected to pick up again until conditions warm later in the year. For now, it is a good stretch for sensitive individuals to spend time outside with minimal concern.

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

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

Meet the trees near you

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

Ornamental pear

Ornamental pear

Pyrus calleryana

Allergenicity 1/4Blooms spring
Canary island pine

Canary island pine

Pinus canariensis

Allergenicity 1/4Blooms spring
London plane

London plane

Platanus acerifolia

Allergenicity 4/4Blooms spring
Maidenhair tree

Maidenhair tree

Ginkgo biloba

Allergenicity 1/4Blooms spring
Carolina poplar

Carolina poplar

Populus canadensis

Allergenicity 3/4Blooms spring
Sycamore

Sycamore

Platanus acerifolia

Allergenicity 4/4Blooms spring
Liquidambar

Liquidambar

Liquidambar styraciflua

Allergenicity 2/4Blooms spring
Pine

Pine

Pinus canariensis

Allergenicity 1/4Blooms spring
Evergreen pear

Evergreen pear

Pyrus kawakamii

Allergenicity 1/4Blooms spring
California sycamore

California sycamore

Platanus racemosa

Allergenicity 4/4Blooms spring
Italian cypress

Italian cypress

Cupressus sempervirens

Allergenicity 4/4Blooms winter,spring
Aleppo pine

Aleppo pine

Pinus halepensis

Allergenicity 1/4Blooms spring
Tulip

Tulip

Liriodendron tulipifera

Allergenicity 1/4Blooms spring
Sawtooth zelkova

Sawtooth zelkova

Zelkova serrata

Allergenicity 2/4Blooms spring
Gingko

Gingko

Ginkgo biloba

Allergenicity 1/4Blooms spring
Leaf plum purple

Leaf plum purple

Prunus cerasifera

Allergenicity 1/4Blooms spring

Common questions

What is the pollen count in Fontana, CA today?
Fontana, CA has no notable tree, grass, or weed pollen today.
What plants are causing allergies in Fontana, CA?
The main sources right now are Pyrus, Eucalyptus, Plane, Pine, and Lagerstroemia.