West Perth pollen forecast — Scitech neighborhood
Pollen Today
Today (20 September) pollen in Scitech, West Perth is low; acacia, cypress, 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 and cypress will decrease; eucalyptus will remain stable.
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Pollen Risk
Today - 20 September
| Pollen species | Level | Value |
|---|---|---|
| Acacia (Acacia) | Low | 4/100 |
| Cypress (Cupressaceae) | Low | 10/100 |
| Eucalyptus (Myrtaceae) | None | 0/100 |
| Grass (Poaceae) | Low | 2/100 |
Tomorrow - 21 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | Low | 4/100 | |
| Cypress (Cupressaceae) | Low | 9/100 | |
| Eucalyptus (Myrtaceae) | None | 0/100 | |
| Grass (Poaceae) | Low | 2/100 |
Local Environmental Conditions
Here, just outside the immediate area, river oak lines the bank, contributing some of the season's more persistent wind-borne pollen. Located within easy reach, this area has a canopy of eucalypt threaded with wattle, wattle chief among them for allergenic potency here. Here, a short distance from here, green space with maintained lawn and planted plane trees, both contributing to seasonal pollen counts.
The bank's river oak kicks off the pollen season ahead of the rest, reaching its high point sometime in late winter or early spring. By late winter, eucalypt and wattle in the woods take over, topping out in the August-to-September stretch. Grass pollen climbs toward a November peak, then holding at a high level well into January before easing off.
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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. Grass is the main contributor to airborne pollen, while acacia and cypress 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 grass at low levels, acacia at low levels, cypress at low levels
Is pollen expected to decrease in West Perth this week?
According to the five-day outlook, acacia and cypress 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, Grass is the dominant pollen source in West Perth. acacia and cypress are also present but at lower levels. myrtle are not currently active.
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).
