Merimbula pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Merimbula is high; eucalyptus is high; acacia and cypress are moderate.
Pollen Tomorrow
Tomorrow (21 September 2026) cypress declining, eucalyptus declining, acacia no longer expected.
7-Day Trend
Over the next week acacia, cypress, and eucalyptus will increase; grass will remain stable.
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Pollen Risk
Today - 20 September
| Pollen species | Level | Value |
|---|---|---|
| Acacia (Acacia) | Moderate | 33/100 |
| Cypress (Cupressaceae) | Moderate | 49/100 |
| Eucalyptus (Myrtaceae) | High | 70/100 |
| Grass (Poaceae) | None | 0/100 |
Tomorrow - 21 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | None | 0/100 | |
| Cypress (Cupressaceae) | Low | 8/100 | |
| Eucalyptus (Myrtaceae) | Moderate | 41/100 | |
| Grass (Poaceae) | None | 0/100 |
Local Environmental Conditions
On the Sapphire Coast, Merimbula is fringed by coastal spotted gum forest and banksia heath along its lake and ocean margins, with casuarina stands near the estuary and a township landscaped with introduced ornamentals and grassed foreshore reserves. Grass pollen typically becomes the dominant local allergen through late spring and into summer, following an earlier and comparatively brief peak from flowering wattle and eucalypt in the cooler months.
On the Sapphire Coast, Merimbula's maritime climate moderates its pollen season, with sea breezes diluting airborne counts compared with inland NSW towns. Coastal banksia, casuarina and paperbark contribute tree pollen from late winter into spring, while grass pollen from pasture surrounding the town builds through October and November. Onshore winds tend to keep pollen concentrations lower on the coast itself, though counts can rise on days with offshore or northerly winds carrying pollen from the drier hinterland behind the town.
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Resource Hub
Pollen forecast neighborhoods 6 neighborhoods
Frequently Asked Questions About Pollen in New South Wales
Is pollen high in Merimbula right now?
On 20 September 2026, overall pollen levels in Merimbula are high. Myrtle is the main contributor to airborne pollen, while cypress and acacia remain at lower levels
Will pollen levels change in Merimbula tomorrow?
On 21 September 2026, pollen conditions in Merimbula will be different from today, with cypress, myrtle continuing to decline
Is pollen expected to decrease in Merimbula this week?
According to the five-day outlook, cypress, myrtle, and acacia pollen levels will increase later in the week.
Which pollen types are currently active in Merimbula?
On 20 September 2026, Myrtle is the dominant pollen source in Merimbula. cypress and acacia are also present but at lower levels. grass are not currently active.
When is pollen season in Merimbula?
How often is the Merimbula pollen forecast updated?
The Merimbula pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Merimbula 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 Merimbula 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 Merimbula, 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 scores represent risk levels, not direct measurements of pollen or air pollutant concentrations. Higher scores indicate higher risk. Pollen and air quality use different thresholds.
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).
