Woronora Dam Pollen Forecast - Today, Tomorrow and the Week Ahead
Pollen Today
Today (6 October) pollen in Woronora Dam is moderate; eucalyptus and mold (cladosporium) are moderate; cypress and mold (alternaria) are low.
Pollen Tomorrow
Tomorrow (7 October 2026) mold (alternaria) remains low, mold (cladosporium) remains moderate, cypress increasing, eucalyptus increasing, acacia at low levels.
7-Day Trend
Over the next week acacia, cypress, eucalyptus, grass, and mold (alternaria) will increase; mold (cladosporium) will decrease.
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Pollen Risk
Today - 6 October
| Pollen species | Level | Value |
|---|---|---|
| Acacia (Acacia) | None | 0/100 |
| Cypress (Cupressaceae) | Low | 5/100 |
| Eucalyptus (Myrtaceae) | Moderate | 34/100 |
| Grass (Poaceae) | None | 0/100 |
| Alternaria | Low | 6/100 |
| Cladosporium | Moderate | 28/100 |
Tomorrow - 7 October
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | Low | 18/100 | |
| Cypress (Cupressaceae) | Moderate | 31/100 | |
| Eucalyptus (Myrtaceae) | High | 61/100 | |
| Grass (Poaceae) | None | 0/100 | |
| Alternaria | Low | 9/100 | |
| Cladosporium | Moderate | 32/100 |
Local Environmental Conditions
Woronora Dam is surrounded mainly by woodland, which covers around 96% of the nearby area. With running water close by, riverside vegetation contributes to the local mix. The surrounding woodland makes trees an important local pollen source. Grasses are also a significant pollen source here. Undergrowth, clearings and woodland edges add smaller amounts of grass and herb pollen.
Tree pollen comes first, peaking in early spring. Grasses take over in mid-spring and keep pollen in the air into mid-fall. A smaller weed peak follows from early summer into early fall. Warm, damp weather from midsummer into early fall also raises mold spore levels. Within each of these periods, warm, dry and windy days push levels higher, while rain clears the air.
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Frequently Asked Questions About Pollen in New South Wales
Is pollen high in Woronora Dam right now?
On 6 October 2026, overall pollen levels in Woronora Dam are moderate. Myrtle is the main contributor to airborne pollen, while cypress remain at lower levels
Will pollen levels change in Woronora Dam tomorrow?
On 7 October 2026, pollen conditions in Woronora Dam will be different from today, with acacia at low levels and cypress, myrtle increasing
Is pollen expected to decrease in Woronora Dam this week?
According to the five-day outlook, acacia, cypress, myrtle, and grass pollen levels will increase later in the week.
Which pollen types are currently active in Woronora Dam?
On 6 October 2026, Myrtle is the dominant pollen source in Woronora Dam. cypress are also present but at lower levels. acacia and grass are not currently active.
When is pollen season in Woronora Dam?
How often is the Woronora Dam pollen forecast updated?
The Woronora Dam pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Woronora Dam 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 Woronora Dam 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 Woronora Dam, 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).
