Margaret River pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Margaret River is moderate; acacia, cypress, and eucalyptus are moderate; grass is low.
Pollen Tomorrow
Tomorrow (21 September 2026) cypress remains moderate, eucalyptus remains moderate, grass remains low, acacia declining.
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) | Moderate | 26/100 |
| Cypress (Cupressaceae) | Moderate | 44/100 |
| Eucalyptus (Myrtaceae) | Moderate | 40/100 |
| Grass (Poaceae) | Low | 15/100 |
Tomorrow - 21 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | Low | 18/100 | |
| Cypress (Cupressaceae) | Moderate | 36/100 | |
| Eucalyptus (Myrtaceae) | Moderate | 33/100 | |
| Grass (Poaceae) | Low | 9/100 |
Local Environmental Conditions
Margaret River sits amid karri and jarrah forest on the state's south-west coast, with vineyards a defining feature of the surrounding wine region; coastal heath and peppermint (agonis) woodland line the nearby beaches, adding a distinctive south-west flavour to the local vegetation. Winter rains here support an early wattle and eucalypt flowering season, with grass pollen taking over through spring before the region's dry summer brings a quieter pollen period.
Margaret River, at the heart of one of Australia's premier wine regions, has a Mediterranean pollen season shaped by its cool, wet winters and dry summers. Tree pollen from surrounding jarrah and karri forest, along with vineyard windbreaks, builds from August, with grass pollen from vineyard understorey and pasture peaking September to November. The region's higher rainfall compared with Perth can extend spring growth a little longer, though the reliably dry summer still brings a firm end to the season by December.
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Resource Hub
Pollen forecast neighborhoods 4 neighborhoods
Sports venues in Margaret River 1 sports venue
Frequently Asked Questions About Pollen in Western Australia
Is pollen high in Margaret River right now?
On 20 September 2026, overall pollen levels in Margaret River are moderate. Acacia is the main contributor to airborne pollen, while cypress, myrtle, and grass remain at lower levels
Will pollen levels change in Margaret River tomorrow?
On 21 September 2026, pollen conditions in Margaret River will be different from today, with cypress at moderate levels, myrtle at moderate levels, grass at low levels and acacia continuing to decline
Is pollen expected to decrease in Margaret River 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 Margaret River?
On 20 September 2026, Acacia is the dominant pollen source in Margaret River. cypress, myrtle, and grass are also present but at lower levels.
When is pollen season in Margaret River?
How often is the Margaret River pollen forecast updated?
The Margaret River pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Margaret River 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 Margaret River 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 Margaret River, 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).
