Ventura pollen forecast - today, tomorrow and the week ahead

Today (9 August) pollen in Ventura is high; mugwort is high; ragweed is medium; cypress and grass are low. Tomorrow (10 August 2026) levels are similar - grass remains low, ragweed remains medium, mugwort declining. Over the following five days cypress, grass, 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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Set on a Pacific coastal plain backed by the Santa Ynez foothills, Ventura's landscape is defined by coastal sage scrub alongside eucalyptus windrows and citrus and avocado groves, the main contributors to seasonal pollen exposure. Local parks and open ground tend to see higher pollen counts than the denser urban core. The mix of native and introduced species here is fairly typical for this part of the country.

Today - 9 August

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    Low

    5/100

  • Grass (Poaceae):

    Low

    13/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    High

    54/100

  • Ragweed (Ambrosia):

    Medium

    35/100

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):

    Low

    6/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Medium

    45/100

  • Ragweed (Ambrosia):

    Medium

    27/100

Air quality in Ventura

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Frequently Asked Questions

Is pollen high in Ventura right now?

On 9 August 2026, overall pollen levels in Ventura are high. Artemisia is the main contributor to airborne pollen, while ambrosia, cypress, and grass remain at lower levels

Will pollen levels change in Ventura tomorrow?

On 10 August 2026, pollen conditions in Ventura will be different from today, with ambrosia at medium levels, grass at low levels and artemisia continuing to decline

Is pollen expected to decrease in Ventura this week?

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

Which pollen types are currently active in Ventura?

On 9 August 2026, Artemisia is the dominant pollen source in Ventura. ambrosia, cypress, and grass are also present but at lower levels.

When is pollen season in Ventura?
Ventura's pollen season opens with olive and acacia from January before eucalyptus takes over and peaks through February. Grass follows, peaking through March and April, while light weed pollen carries into September. Onshore Pacific breezes periodically clear the air, though inland valleys can still see elevated counts, a defining feature of the local season.
How often is the Ventura pollen forecast updated?

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

Does pollen in Ventura 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 Ventura 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 Ventura, 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.

Want to see pollen forecasts for other cities in United States?

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Data provided by Airmine — Last update: 10 August 2026 at 02:34 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for Ventura.

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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.