Curitiba Pollen Forecast - Today, Tomorrow and the Week Ahead
Pollen Today
Today (10 October) pollen in Curitiba is low; cypress is low.
Pollen Tomorrow
Tomorrow (11 October 2026) cypress no longer expected.
7-Day Trend
Over the next week cypress will increase; grass and willow will remain stable.
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Features and forecast availability vary by region.
Pollen Risk
Today - 10 October
| Pollen species | Level | Value |
|---|---|---|
| Alder (Alnus) | None | 0/100 |
| Birch (Betula) | None | 0/100 |
| Hazel (Corylus) | None | 0/100 |
| Cypress (Cupressaceae) | Low | 1/100 |
| Grass (Poaceae) | None | 0/100 |
| Willow (Salicaceae) | None | 0/100 |
Tomorrow - 11 October
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Alder (Alnus) | None | 0/100 | — |
| Birch (Betula) | None | 0/100 | — |
| Hazel (Corylus) | None | 0/100 | — |
| Cypress (Cupressaceae) | None | 0/100 | |
| Grass (Poaceae) | None | 0/100 | |
| Willow (Salicaceae) | None | 0/100 |
Local Environmental Conditions
The landscape around the center of Curitiba is densely built up. Close to a watercourse, riverside vegetation contributes to what is in the air. Grass pollen is plentiful, while pigweed and plantain lead among the weeds. Around here, street trees, parks and lawns are the main sources in the built-up parts.
Grasses take over in mid-spring, with temperatures around 20°C, and their pollen lingers into early fall. Later, pigweed and plantain keep weed pollen in the air from early summer into early fall. Warm, damp weather from early spring into late fall also raises mold spore levels. Actual levels on any given day depend on the weather, with dry, breezy days the worst and wet days the mildest.
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Frequently Asked Questions About Pollen in Paraná
Is pollen high in Curitiba right now?
On 10 October 2026, overall pollen levels in Curitiba are low. Cypress is the main contributor to airborne pollen
Will pollen levels change in Curitiba tomorrow?
On 11 October 2026, pollen conditions in Curitiba will be similar to today with no significant pollen expected.
Is pollen expected to decrease in Curitiba this week?
According to the five-day outlook, cypress pollen levels will increase later in the week.
Which pollen types are currently active in Curitiba?
On 10 October 2026, Cypress is the dominant pollen source in Curitiba. willow and grass are not currently active.
When is pollen season in Curitiba?
How often is the Curitiba pollen forecast updated?
The Curitiba pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Curitiba 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 Curitiba 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 Curitiba, 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.
Understanding the Scale
The 0–100 pollen scores represent risk levels, not direct pollen measurements. Higher scores indicate higher risk.
Pollen
| None | 0 | No or negligible risk of exposure. Pollen/mold exposure is expected to be minimal. |
| Low | 0-25 | Low risk of exposure. Small amounts of pollen or mold spores may be present. |
| Moderate | 25-50 | Moderate risk of exposure. Pollen/mold exposure is expected to be noticeable. |
| High | 50-75 | High risk of exposure. Elevated pollen/mold exposure is expected. |
| Very High | 75-100 | Very high risk of exposure. Pollen/mold exposure is expected to be at or near its highest levels. |
Get More in the Airmine Pollen app
Get 15-day pollen forecasts with morning, afternoon and evening detail, plus 5-day air quality forecasts. Explore interactive pollen risk maps, estimated pollen season start, route profiles and a symptoms diary.
Features and forecast availability vary by region. Currently covering Europe, the contiguous US, southern Canada, South Africa, Australia, Indonesia (Java & Bali), Brazil, Paraguay, Uruguay and the Buenos Aires area.
Developed with support from the European Space Agency (ESA) Business Applications and Space Solutions (BASS).
