
Sweet gum
Liquidambar styraciflua
No notable pollen right now.
Last updated July 28, 2026
Pollen is essentially quiet across San Diego today. Tree pollen is reading at none, and there's no notable grass or weed activity to report either. For most residents, including those with sensitivities, this should be an easy day with little to no irritation from airborne pollen. Looking ahead, conditions are expected to hold steady with tree pollen remaining low through the next several days. This tracks with the season, as local trees like jacaranda and magnolia have largely finished their earlier bloom cycles, while species such as podocarpus, cupaniopsis, and syagrus aren't contributing much pollen at this point in the summer. Overall, it's a calm stretch for allergy sufferers in the area, with no significant changes on the horizon.
Every dot is a tree near San Diego, 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 San Diego. Each bar is that genus's share of the tree pollen.
1,020 pollen-relevant trees nearby drive today's tree-pollen reading.
Get to know the tree types growing around San Diego: what each looks like, how allergenic it is, and when it blooms.

Sweet gum
Liquidambar styraciflua

Pine
Pinus

Ash
Fraxinus

California sycamore
Platanus racemosa

Italian cypress
Cupressus sempervirens

Purple leaf plum
Prunus cerasifera

Juniper
Juniperus chinensis

Chinese elm
Ulmus parvifolia

Evergreen pear
Pyrus kawakamii

Bradford pear
Pyrus calleryana

Fruit tree
Prunus persica

Siberian elm
Ulmus pumila

Olive fruitless
Olea

Holly oak
Quercus ilex

Canary island pine
Pinus canariensis

Coast live oak
Quercus agrifolia