Pollen in Costa Mesa, CA

About pollen in Costa Mesa

Pollen levels in Costa Mesa are quiet today, with tree pollen sitting at essentially none. Anyone sensitive to airborne allergens should find the air calm and easy to manage, with little reason to expect irritation from trees such as Tristaniopsis, Washingtonia, Phoenix, Trachycarpus, or Syagrus right now. Looking ahead, tree pollen is expected to remain minimal over the next stretch of days, continuing this lull. This tracks with the season, since mid-November falls well outside the usual active window for local trees, which tend to ramp up with the arrival of spring. For now, allergy-prone residents can expect a steady, low-key period before conditions shift later in the year.

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 Costa Mesa, colored by how allergenic it is. Click one for its details, and zoom in for a closer look.

Top tree-pollen sources

The local tree genera behind today's pollen near Costa Mesa. Each bar is that genus's share of the tree pollen.

Meet the trees near you

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

Canary island pine

Pinus canariensis

Allergenicity 1/4Blooms spring

Evergreen pear

Pyrus kawakamii

Allergenicity 1/4Blooms spring

Ornamental pear

Pyrus calleryana

Allergenicity 1/4Blooms spring

London plane

Platanus acerifolia

Allergenicity 4/4Blooms spring

Arizona ash

Fraxinus velutina

Allergenicity 4/4Blooms spring

American sweetgum

Liquidambar styraciflua

Allergenicity 2/4Blooms spring

Leaf plum purple

Prunus cerasifera

Allergenicity 1/4Blooms spring

Peach

Prunus persica

Allergenicity 1/4Blooms spring

Italian stone pine

Pinus pinea

Allergenicity 1/4Blooms spring

Japanese black pine

Pinus thunbergii

Allergenicity 1/4Blooms spring

Chinese elm

Ulmus parvifolia

Allergenicity 3/4Blooms spring

Olive

Olea europaea

Allergenicity 5/4Blooms spring,summer

Silver maple

Acer saccharinum

Allergenicity 3/4Blooms spring

Chinese juniper

Juniperus chinensis

Allergenicity 5/4Blooms winter,spring

Italian cypress

Cupressus sempervirens

Allergenicity 4/4Blooms winter,spring

Shamel ash

Fraxinus uhdei

Allergenicity 4/4Blooms spring

Common questions

What is the pollen count in Costa Mesa, CA today?

Costa Mesa, CA has no notable tree, grass, or weed pollen today.

What plants are causing allergies in Costa Mesa, CA?

The main sources right now are Tristaniopsis, Washingtonia, Phoenix, Trachycarpus, and Syagrus.