Gilbert pollen forecast - today, tomorrow and the week ahead

Today (9 August) pollen in Gilbert is low; mugwort and ragweed are low. Tomorrow (10 August 2026) levels are similar - mugwort remains low. Over the following five days mugwort and ragweed will increase. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.

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Gilbert's desert setting in the Phoenix metro area means introduced mulberry, olive, and eucalyptus trees planted across parks and residential streets are the main allergenic pollen sources, with exposure varying between these irrigated green areas and the more arid urban core. Surrounding Sonoran Desert scrub and agricultural land contribute seasonal grass and shrub pollen under prevailing winds across the Salt River Valley.

Today - 9 August

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    None

    0/100

  • Grass (Poaceae):

    None

    0/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Low

    12/100

  • Ragweed (Ambrosia):

    Low

    6/100

High pollen levels may trigger sneezing, itchy eyes, and congestion. Airmine's neighbourhood estimates use satellites to map local vegetation and a statistical prediction model, updated four times daily.

Tomorrow - 10 August

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    None

    0/100

  • Grass (Poaceae):

    None

    0/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Low

    11/100

  • Ragweed (Ambrosia):

    None

    0/100

Air quality in Gilbert

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Frequently Asked Questions

Is pollen high in Gilbert right now?

On 9 August 2026, overall pollen levels in Gilbert are low. Ambrosia is the main contributor to airborne pollen, while artemisia remain at lower levels

Will pollen levels change in Gilbert tomorrow?

On 10 August 2026, pollen conditions in Gilbert will be different from today, with artemisia at low levels

Is pollen expected to decrease in Gilbert this week?

According to the five-day outlook, grass, ambrosia, artemisia, and cypress pollen levels will increase later in the week.

Which pollen types are currently active in Gilbert?

On 9 August 2026, Ambrosia is the dominant pollen source in Gilbert. artemisia are also present but at lower levels. grass and cypress are not currently active.

When is pollen season in Gilbert?
Gilbert's pollen season is dominated by introduced olive and mulberry from February through April, producing intense early-season tree pollen. Native Sonoran Desert species including palo verde and mesquite contribute from March through May. The long, hot, dry summer largely suppresses mid-season pollen, with a secondary grass peak possible after monsoon rains. The flat Salt River Valley basin concentrates pollen under calm spring conditions.
How often is the Gilbert pollen forecast updated?

The Gilbert pollen forecast is updated four times daily. See the timestamp below for the most recent update.

Does pollen in Gilbert come from nearby or far away?

Studies show that most pollen exposure (often 70–90%) comes from nearby sources, such as local trees and vegetation. A good pollen forecast therefore depends on accurately representing local vegetation. Pollen can travel long distances, but this usually matters only early in the season or during specific wind events.

Are pollen levels in Gilbert based on measurements or forecasts?

Pollen data is often misunderstood. Most "pollen levels" are not real-time measurements, but forecasts.

Direct pollen measurements are typically delayed by 1-2 days because they require manual analysis. To show current conditions in Gilbert, modern forecasts combine recent measurements, weather data, and information about local vegetation.

This allows us to estimate pollen levels for today and the coming days, not just report the past.

Airmine’s atmospheric monitoring platform was developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team, using satellite and Earth observation technologies to improve emissions monitoring.

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Data provided by Airmine — Last update: 9 August 2026 at 20:27 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for Gilbert.

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Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.

Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.