
Ornamental pear
Pyrus calleryana
No notable pollen right now.
Last updated November 14, 2026
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.
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.
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.
Get to know the tree types growing around Fontana: what each looks like, how allergenic it is, and when it blooms.

Ornamental pear
Pyrus calleryana

Canary island pine
Pinus canariensis

London plane
Platanus acerifolia

Maidenhair tree
Ginkgo biloba

Carolina poplar
Populus canadensis

Sycamore
Platanus acerifolia

Liquidambar
Liquidambar styraciflua

Pine
Pinus canariensis

Evergreen pear
Pyrus kawakamii

California sycamore
Platanus racemosa

Italian cypress
Cupressus sempervirens

Aleppo pine
Pinus halepensis

Tulip
Liriodendron tulipifera

Sawtooth zelkova
Zelkova serrata

Gingko
Ginkgo biloba

Leaf plum purple
Prunus cerasifera