São José do Rio Prêto pollen forecast - today, tomorrow and the week ahead

Today (9 August) pollen in São José do Rio Prêto is low; cypress and willow are low. Tomorrow (10 August 2026) levels are similar. Over the following five days cypress and willow will increase. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.

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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team

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São José do Rio Preto anchors the northwestern São Paulo plateau, where eucalyptus, native cerrado remnants, and introduced urban trees are the main pollen sources. The tropical highland climate produces a well-defined pollen season, with the dry season from May to September concentrating pollen dispersal and the wet season bringing frequent rainfall interruptions throughout this important São Paulo interior commercial and medical hub.

Today - 9 August

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    Low

    13/100

  • Grass (Poaceae):

    None

    0/100

  • Willow (Salicaceae):

    Low

    4/100

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):

    Low

    11/100

  • Grass (Poaceae):

    None

    0/100

  • Willow (Salicaceae):

    Low

    2/100

Air quality in São José do Rio Prêto

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Frequently Asked Questions

Is pollen high in São José do Rio Prêto right now?

On 9 August 2026, overall pollen levels in São José do Rio Prêto are low. Cypress is the main contributor to airborne pollen, while willow remain at lower levels

Will pollen levels change in São José do Rio Prêto tomorrow?

On 10 August 2026, pollen conditions in São José do Rio Prêto will be similar to today, with cypress at low levels, willow at low levels

Is pollen expected to decrease in São José do Rio Prêto this week?

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

Which pollen types are currently active in São José do Rio Prêto?

On 9 August 2026, Cypress is the dominant pollen source in São José do Rio Prêto. willow are also present but at lower levels.

When is pollen season in São José do Rio Prêto?
In São José do Rio Prêto, pollen exposure builds through the dry months of May to September as eucalyptus and native cerrado remnants pollen spreads freely, while the return of rain afterward regularly interrupts dispersal.
How often is the São José do Rio Prêto pollen forecast updated?

The São José do Rio Prêto pollen forecast is updated four times daily. See the timestamp below for the most recent update.

Does pollen in São José do Rio Prêto 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 São José do Rio Prêto 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 São José do Rio Prêto, 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 Brazil?

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 São José do Rio Prêto.

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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.