Great Western pollen forecast — Seppelts Great Western Winery neighborhood
Pollen Today
Today (20 September) pollen in Seppelts Great Western Winery, Great Western is low; acacia, cypress, eucalyptus, and grass are low.
Pollen Tomorrow
Tomorrow (21 September 2026) acacia no longer expected, cypress no longer expected, eucalyptus no longer expected, grass no longer expected.
7-Day Trend
Over the next week acacia, cypress, eucalyptus, and grass will increase.
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Pollen Risk
Today - 20 September
| Pollen species | Level | Value |
|---|---|---|
| Acacia (Acacia) | Low | 14/100 |
| Cypress (Cupressaceae) | Low | 23/100 |
| Eucalyptus (Myrtaceae) | Low | 13/100 |
| Grass (Poaceae) | Low | 7/100 |
Tomorrow - 21 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | None | 0/100 | |
| Cypress (Cupressaceae) | None | 0/100 | |
| Eucalyptus (Myrtaceae) | None | 0/100 | |
| Grass (Poaceae) | None | 0/100 |
Local Environmental Conditions
River oak grows along the bank here, releasing fine wind-borne pollen typical of casuarina species; this sits in the surrounding area. Located within easy reach, this area has a canopy of eucalypt threaded with wattle, wattle chief among them for allergenic potency here. Nearby, a short distance from here, parkland with regularly mown grass and planted plane trees, both sources of seasonal pollen.
The bank's river oak kicks off the pollen season ahead of the rest, usually the first pollen source active, peaking sometime in July or August. The nearby eucalypt and wattle stands take the lead as winter turns to spring, cresting around August and September in the year's sharpest tree-pollen spike. Grass pollen counts rise through spring, reaching their peak around November, then persisting at a reduced but still meaningful level into the new year.
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Frequently Asked Questions About Pollen in Victoria
Is pollen high in Great Western right now?
On 20 September 2026, overall pollen levels in Great Western are low. Acacia is the main contributor to airborne pollen, while cypress, myrtle, and grass remain at lower levels
Will pollen levels change in Great Western tomorrow?
On 21 September 2026, pollen conditions in Great Western will be similar to today with no significant pollen expected.
Is pollen expected to decrease in Great Western 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 Great Western?
On 20 September 2026, Acacia is the dominant pollen source in Great Western. cypress, myrtle, and grass are also present but at lower levels.
When is pollen season in Great Western?
How often is the Great Western pollen forecast updated?
The Great Western pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Great Western 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 Great Western 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 Great Western, 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).
