Fremantle pollen forecast — Leewin Office neighborhood
Pollen Today
Today (20 September) pollen in Leewin Office, Fremantle is low; acacia and cypress are low.
Pollen Tomorrow
Tomorrow (21 September 2026) cypress remains low, acacia no longer expected.
7-Day Trend
Over the next week acacia and cypress will increase; eucalyptus and grass will remain stable.
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Pollen Risk
Today - 20 September
| Pollen species | Level | Value |
|---|---|---|
| Acacia (Acacia) | Low | 2/100 |
| Cypress (Cupressaceae) | Low | 5/100 |
| Eucalyptus (Myrtaceae) | None | 0/100 |
| Grass (Poaceae) | None | 0/100 |
Tomorrow - 21 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | None | 0/100 | |
| Cypress (Cupressaceae) | Low | 3/100 | |
| Eucalyptus (Myrtaceae) | None | 0/100 | |
| Grass (Poaceae) | None | 0/100 |
Local Environmental Conditions
Here, just around the area, the riverbank shelters river oak, whose pollen spreads readily on the wind from spring onward. Nearby, within the neighborhood, eucalypt and wattle growing together, with wattle's fine pollen especially potent during its short flowering window. Nearby, not far from here, a park where mown turf grass and ornamental plane trees add to local grass and tree pollen.
The water-adjacent river oak is an early riser, climbing steadily from mid-winter into September. Eucalypt and wattle in the nearby woodland follow through late winter and early spring, generally peaking somewhere between August and October. Grass pollen builds through spring and peaks in November, holding through the summer months before tapering off by late February.
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Resource Hub
Pollen forecast neighborhoods 27 neighborhoods
Sports venues in Fremantle 2 sports venues
Frequently Asked Questions About Pollen in Western Australia
Is pollen high in Fremantle right now?
On 20 September 2026, overall pollen levels in Fremantle are low. Cypress is the main contributor to airborne pollen, while acacia remain at lower levels
Will pollen levels change in Fremantle tomorrow?
On 21 September 2026, pollen conditions in Fremantle will be different from today, with cypress at low levels
Is pollen expected to decrease in Fremantle this week?
According to the five-day outlook, cypress and acacia pollen levels will increase later in the week.
Which pollen types are currently active in Fremantle?
On 20 September 2026, Cypress is the dominant pollen source in Fremantle. acacia are also present but at lower levels. myrtle and grass are not currently active.
When is pollen season in Fremantle?
How often is the Fremantle pollen forecast updated?
The Fremantle pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Fremantle 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 Fremantle 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 Fremantle, 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).
