Guapimirim pollen forecast - today, tomorrow and the week ahead
Today (16 July) pollen in Guapimirim is low; cypress is low. Tomorrow (17 July 2026) levels are similar. Over the following five days cypress will increase. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Use our Strava plugin to check your own exposure.
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 - 16 July
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
Low
8/100
-
Grass (Poaceae):
None
0/100
-
Willow (Salicaceae):
None
0/100
-
Amaranthaceae:
None
0/100
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 - 17 July
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
Low
10/100
-
Grass (Poaceae):
None
0/100
-
Willow (Salicaceae):
None
0/100
-
Amaranthaceae:
None
0/100
Air quality in Guapimirim
View air qualityFrequently Asked Questions
Is pollen high in Guapimirim right now?
On 16 July 2026, overall pollen levels in Guapimirim are low. Cypress is the main contributor to airborne pollen
Will pollen levels change in Guapimirim tomorrow?
On 17 July 2026, pollen conditions in Guapimirim will be similar to today, with cypress at low levels
Is pollen expected to decrease in Guapimirim this week?
According to the five-day outlook, cypress pollen levels will increase later in the week.
Which pollen types are currently active in Guapimirim?
On 16 July 2026, Cypress is the dominant pollen source in Guapimirim. amaranthaceae and willow are not currently active.
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: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)
This page provides the latest public pollen forecast for Guapimirim.
For long term forecasts and maps, see the Airmine app
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.