West Perth pollen forecast — Edith Dircksey Cowan Memorial neighborhood
Pollen Today
Today (20 September) pollen in Edith Dircksey Cowan Memorial, West Perth is low; acacia, cypress, eucalyptus, and grass are low.
Pollen Tomorrow
Tomorrow (21 September 2026) levels are similar to today.
7-Day Trend
Over the next week grass will increase; acacia, cypress, and eucalyptus will decrease.
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Pollen Risk
Today - 20 September
| Pollen species | Level | Value |
|---|---|---|
| Acacia (Acacia) | Low | 5/100 |
| Cypress (Cupressaceae) | Low | 13/100 |
| Eucalyptus (Myrtaceae) | Low | 5/100 |
| Grass (Poaceae) | Low | 2/100 |
Tomorrow - 21 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | Low | 5/100 | |
| Cypress (Cupressaceae) | Low | 13/100 | |
| Eucalyptus (Myrtaceae) | Low | 4/100 | |
| Grass (Poaceae) | Low | 2/100 |
Local Environmental Conditions
River oak thrives along the damp bank, a classic riparian wind-pollinator in this part of Australia, in the wider area. Woodland dominated by eucalypt and wattle, with wattle the more potent allergen of the two; this sits within easy reach. Located not far from here, this area has a park combining lawn grass and plane trees, both contributors to pollen here through the warmer months.
River oak along the water gets the season underway before other species, climbing steadily from mid-winter into September. Woodland eucalypt and wattle pick up the pace next, through late winter into spring, cresting around August and September in the year's sharpest tree-pollen spike. Through spring, grass pollen climbs steadily toward its November peak, with the season extending well into summer before finally winding down in February.
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Frequently Asked Questions About Pollen in Western Australia
Is pollen high in West Perth right now?
On 20 September 2026, overall pollen levels in West Perth are low. Acacia is the main contributor to airborne pollen, while cypress, myrtle, and grass remain at lower levels
Will pollen levels change in West Perth tomorrow?
On 21 September 2026, pollen conditions in West Perth will be similar to today, with acacia at low levels, cypress at low levels, myrtle at low levels, grass at low levels
Is pollen expected to decrease in West Perth this week?
According to the five-day outlook, acacia, cypress, and myrtle pollen levels are expected to gradually decrease, while grass pollen will increase, suggesting mixed conditions later in the week.
Which pollen types are currently active in West Perth?
On 20 September 2026, Acacia is the dominant pollen source in West Perth. cypress, myrtle, and grass are also present but at lower levels.
When is pollen season in West Perth?
How often is the West Perth pollen forecast updated?
The West Perth pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in West Perth 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 West Perth 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 West Perth, 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).
