Isla Vista pollen forecast - today, tomorrow and the week ahead

Today (9 August) pollen in Isla Vista is medium; mugwort and ragweed are medium; cypress and grass are low. Tomorrow (10 August 2026) levels are similar - grass remains low, mugwort remains medium, ragweed remains medium. 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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The vegetation around Isla Vista, on a bluff-top community on the Santa Barbara coast, is dominated by coastal sage scrub and eucalyptus windrows, with native ice plant adding further seasonal pollen exposure. Local parks and open ground tend to see higher pollen counts than the denser urban core. Residents who spend time outdoors around Isla Vista typically notice the shift as each season turns over.

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

    20/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Medium

    47/100

  • Ragweed (Ambrosia):

    Medium

    37/100

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

    13/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Medium

    38/100

  • Ragweed (Ambrosia):

    Medium

    29/100

Air quality in Isla Vista

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Frequently Asked Questions

Is pollen high in Isla Vista right now?

On 9 August 2026, overall pollen levels in Isla Vista are moderate. Ambrosia is the main contributor to airborne pollen, while artemisia, grass, and cypress remain at lower levels

Will pollen levels change in Isla Vista tomorrow?

On 10 August 2026, pollen conditions in Isla Vista will be different from today, with grass at low levels, ambrosia at medium levels, artemisia at medium levels

Is pollen expected to decrease in Isla Vista 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 Isla Vista?

On 9 August 2026, Ambrosia is the dominant pollen source in Isla Vista. artemisia, grass, and cypress are also present but at lower levels.

When is pollen season in Isla Vista?
Isla Vista's pollen season opens with olive and acacia from January with eucalyptus taking the lead through February. Peak grass pollen arrives in March and April, and mugwort extends exposure 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 Isla Vista pollen forecast updated?

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

Does pollen in Isla Vista 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 Isla Vista 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 Isla Vista, 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?

Check pollen in other popular cities:

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 Isla Vista.

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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.