Moderate Pollen in Rialto, CA

About pollen in Rialto

Weed pollen is the main story in Rialto today, sitting at a moderate level that sensitive individuals will likely notice. Grass is barely present, offering little cause for concern, and tree pollen is essentially absent right now. If you tend to react to ragweed or similar late-season weeds, today is the kind of day where symptoms like sneezing or itchy eyes could show up, especially with extended time outdoors. Looking ahead, this pattern should hold steady through the next several days, with weed pollen remaining the dominant factor at a similar moderate level while grass and tree pollen stay quiet. This lines up with the typical seasonal rhythm for the area: local trees such as olive, sycamore, and oak have already finished their spring peak, grasses wound down after early summer, and weeds like ragweed are now taking their turn as we move into fall. Anyone sensitive to weed pollen should expect conditions to feel fairly consistent day to day for now.

What to do today

• It's important to shower and wash your hair after spending a lot of time outdoors.
• When spending time outside, use sunglasses and a cap to keep pollen out of your face and eyes.
• Wash clothes worn outdoors to remove any remnants of pollen grains.
• If possible, wear glasses instead of contact lenses.
• Did you hang any laundry outside? Now is a good time to hang clothes indoors or use a dryer if possible.

Common questions

What is the pollen count in Rialto, CA today?

Rialto, CA is at a moderate 3 out of 5 on the Universal Pollen Index today, driven mainly by weed pollen. The five-day outlook holds steady around 3 of 5.

Is weed pollen high in Rialto, CA right now?

Weed pollen is moderate today at 3 of 5, and it's in season now. Sensitive people may notice symptoms.

What plants are causing allergies in Rialto, CA?

The main sources right now are Grasses and Ragweed. Elm (Ulmaceae (the Elm family), Two distinct seasons, late winter to early spring, and late summer to fall (species dependent)) is actively pollinating.