Novo Hamburgo Pollen Forecast - Today, Tomorrow and the Week Ahead
Pollen Today
Today (10 October) pollen in Novo Hamburgo is low; cypress and willow are low.
Pollen Tomorrow
Tomorrow (11 October 2026) cypress remains low, willow remains low, grass at low levels.
7-Day Trend
Over the next week cypress will increase; grass and willow will decrease.
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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) | Low | 1/100 |
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) | Low | 1/100 | |
| Grass (Poaceae) | Low | 2/100 | |
| Willow (Salicaceae) | Low | 1/100 |
Local Environmental Conditions
Around 80% of the area near the heart of Novo Hamburgo is built-up land, with some woodland. With the Sinos River nearby, riverside vegetation along its banks contributes to the local mix. Locally, planted trees and mown lawns are the main sources in the built-up parts. Roadside verges and patches of open ground provide further room for grasses and weeds.
Flowering trees bring the first pollen of the year in early spring. Grasses take over in mid-spring and keep pollen in the air into early fall. Weeds on open ground add a smaller late peak from early summer into early fall. In warm, humid weather through spring, mold spores add to the mix, especially after rain.
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Frequently Asked Questions About Pollen in Rio Grande do Sul
Is pollen high in Novo Hamburgo right now?
On 10 October 2026, overall pollen levels in Novo Hamburgo are low. Cypress is the main contributor to airborne pollen, while willow remain at lower levels
Will pollen levels change in Novo Hamburgo tomorrow?
On 11 October 2026, pollen conditions in Novo Hamburgo will be different from today, with cypress at low levels, grass at low levels, willow at low levels
Is pollen expected to decrease in Novo Hamburgo this week?
According to the five-day outlook, grass and willow pollen levels are expected to gradually decrease, while cypress pollen will increase, suggesting mixed conditions later in the week.
Which pollen types are currently active in Novo Hamburgo?
On 10 October 2026, Cypress is the dominant pollen source in Novo Hamburgo. willow are also present but at lower levels. grass are not currently active.
When is pollen season in Novo Hamburgo?
How often is the Novo Hamburgo pollen forecast updated?
The Novo Hamburgo pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Novo Hamburgo 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 Novo Hamburgo 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 Novo Hamburgo, 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).
