
London plane
Platanus acerifolia
Low today, mostly grass pollen.
Last updated July 1, 2026
Grass pollen is the main player in Glendale today, sitting at a Low level (2) and driving an overall index that's also Low. Tree pollen has dropped off to None, so the city's familiar allergenic trees — Magnolia, Eucalyptus, Acacia, Washingtonia, and Liquidambar — aren't contributing much at this point. The five-day forecast holds grass steady at Low (2) across the board, so don't expect any notable swings in the near term. That pattern fits the late-spring-into-early-summer window, when grasses typically take over from the spring tree pollen that has now faded. Weed pollen isn't being measured here today, though that category generally becomes more relevant later in summer and into fall.
Every dot is a tree near Glendale, 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 Glendale. Each bar is that genus's share of the tree pollen.
30 pollen-relevant trees nearby drive today's tree-pollen reading.
Get to know the tree types growing around Glendale: what each looks like, how allergenic it is, and when it blooms.

London plane
Platanus acerifolia

Bradford pear
Pyrus calleryana

Italian cypress
Cupressus sempervirens

Evergreen pear
Pyrus kawakamii

Shamel ash
Fraxinus uhdei

Chinese evergreen elm
Ulmus parvifolia

California sycamore
Platanus racemosa

American sweetgum
Liquidambar styraciflua

Canary island pine
Pinus canariensis

Oak species
Quercus

Glossy privet
Ligustrum lucidum

Chinese elm
Ulmus parvifolia

White mulberry
Morus alba

Japanese black pine
Pinus thunbergiana

Monterey pine
Pinus radiata

Leaf plum purple
Prunus pissardii