Guapimirim pollen forecast - today, tomorrow and the week ahead
Today (9 August) pollen in Guapimirim is medium; cypress is medium; willow is low. Tomorrow (10 August 2026) levels are similar - cypress declining. 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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Guapimirim extends through the Rio de Janeiro Guanabara Bay foothills as an important Atlantic Forest and mangrove conservation municipality, where native Atlantic Forest remnants, mangrove vegetation, and the Guapimirim River corridor are the main pollen sources. The very wet Atlantic Forest coastal climate provides very frequent rainfall interruptions, while the tropical climate supports year-round pollen production throughout this important Rio de Janeiro conservation municipality.
Today - 9 August
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
Medium
38/100
-
Grass (Poaceae):
None
0/100
-
Willow (Salicaceae):
Low
9/100
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
2/100
-
Grass (Poaceae):
None
0/100
-
Willow (Salicaceae):
None
0/100
Air quality in Guapimirim
View air qualityFrequently Asked Questions
Is pollen high in Guapimirim right now?
On 9 August 2026, overall pollen levels in Guapimirim are moderate. Cypress is the main contributor to airborne pollen, while willow remain at lower levels
Will pollen levels change in Guapimirim tomorrow?
On 10 August 2026, pollen conditions in Guapimirim will be different from today, with cypress continuing to decline
Is pollen expected to decrease in Guapimirim this week?
According to the five-day outlook, willow and cypress pollen levels will increase later in the week.
Which pollen types are currently active in Guapimirim?
On 9 August 2026, Cypress is the dominant pollen source in Guapimirim. willow are also present but at lower levels.
When is pollen season in Guapimirim?
How often is the Guapimirim pollen forecast updated?
The Guapimirim pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Guapimirim 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 Guapimirim 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 Guapimirim, 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: 9 August 2026 at 20:27 CEST (Data is updated four times daily.)
This page provides the latest public pollen forecast for Guapimirim.
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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.