El Paso de Robles pollen forecast - today, tomorrow and the week ahead

Today (9 August) pollen in El Paso de Robles is high; mugwort is high; ragweed is medium; cypress and grass are low. Tomorrow (10 August 2026) levels are similar - grass remains low, mugwort declining, ragweed 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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El Paso de Robles's Salinas River valley setting features oak, olive, and vineyard as the main pollen sources, with exposure varying between the oak-covered hillsides and the more built-up commercial corridors along Spring Street. The Salinas River corridor is a particularly significant local source, while the surrounding wine country rolling hills create topographic effects and the transition from hillside oak woodland to valley floor agricultural land creates distinct local pollen zones.

Today - 9 August

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    Low

    9/100

  • Grass (Poaceae):

    Low

    14/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    High

    61/100

  • Ragweed (Ambrosia):

    Medium

    34/100

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

    1/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Medium

    46/100

  • Ragweed (Ambrosia):

    Low

    21/100

Air quality in El Paso de Robles

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Frequently Asked Questions

Is pollen high in El Paso de Robles right now?

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

Will pollen levels change in El Paso de Robles tomorrow?

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

Is pollen expected to decrease in El Paso de Robles 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 El Paso de Robles?

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

When is pollen season in El Paso de Robles?
El Paso de Robles's Central California inland valley setting produces a season opening in January with oak and olive before grass from surrounding Salinas Valley farmland peaks through April and May. Mugwort extends exposure into September, while the warm inland valley climate advances the season and wine country vineyards contribute additional crop pollen during the spring season throughout.
How often is the El Paso de Robles pollen forecast updated?

The El Paso de Robles pollen forecast is updated four times daily. See the timestamp below for the most recent update.

Does pollen in El Paso de Robles 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 El Paso de Robles 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 El Paso de Robles, 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: 10 August 2026 at 02:34 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for El Paso de Robles.

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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.