
London planetree
Platanus acerifolia
No notable pollen right now.
Last updated November 14, 2026
Pollen levels in Corona are quiet today, with tree pollen sitting at essentially none. Anyone who typically reacts to airborne allergens should find little to contend with outdoors right now, making this a comfortable day for spending time outside without much concern about seasonal triggers. Looking ahead, this calm pattern is expected to hold over the next several days, with tree pollen staying at the low end. This tracks with the season — mid-November falls well outside the active windows for trees like oak, willow, and the flowering pear and cherry varieties common in the area, all of which typically release pollen in spring rather than late fall. Grass and ragweed season have also wound down by this point in the year, so overall plant-based allergy triggers should remain minimal for now.
Every dot is a tree near Corona, 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 Corona. Each bar is that genus's share of the tree pollen.
908 pollen-relevant trees nearby drive today's tree-pollen reading.
Get to know the tree types growing around Corona: what each looks like, how allergenic it is, and when it blooms.

London planetree
Platanus acerifolia

Honeylocust
Gleditsia triacanthos

Cherry
Prunus

Pin oak
Quercus palustris

Callery pear
Pyrus calleryana

Japanese zelkova
Zelkova serrata

Norway maple
Acer platanoides

Sophora
Styphnolobium japonicum

American linden
Tilia americana

Swamp white oak
Quercus bicolor

Sweetgum
Liquidambar styraciflua

Ginkgo
Ginkgo biloba

Littleleaf linden
Tilia cordata

Green ash
Fraxinus pennsylvanica

Kentucky coffeetree
Gymnocladus dioicus

Leaf plum purple
Prunus cerasifera