Wongan Hills pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Wongan Hills is high; acacia is high; cypress, eucalyptus, and grass are low.
Pollen Tomorrow
Tomorrow (21 September 2026) acacia remains high, eucalyptus remains low, grass remains low, cypress increasing.
7-Day Trend
Over the next week acacia, cypress, eucalyptus, and grass will decrease.
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Pollen Risk
Today - 20 September
| Pollen species | Level | Value |
|---|---|---|
| Acacia (Acacia) | High | 66/100 |
| Cypress (Cupressaceae) | Low | 20/100 |
| Eucalyptus (Myrtaceae) | Low | 2/100 |
| Grass (Poaceae) | Low | 2/100 |
Tomorrow - 21 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | High | 70/100 | |
| Cypress (Cupressaceae) | Moderate | 39/100 | |
| Eucalyptus (Myrtaceae) | Low | 21/100 | |
| Grass (Poaceae) | Low | 21/100 |
Local Environmental Conditions
River oak thrives along the damp bank, a classic riparian wind-pollinator in this part of Australia; this sits in the surrounding area. Here, near this part of town, a canopy of eucalypt threaded with wattle, wattle chief among them for allergenic potency here. Local readings for the surrounding area tend to follow this same general pattern.
Water-edge river oak is usually the first allergenic tree active here, topping out well before most other trees start releasing pollen, around July and August. Eucalypt and wattle in the woodland come next, as wattle bursts into flower, cresting around August and September in the year's sharpest tree-pollen spike. Grass pollen takes over next, building to a peak around November, before pollen counts gradually decline through January and February.
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Frequently Asked Questions About Pollen in Western Australia
Is pollen high in Wongan Hills right now?
On 20 September 2026, overall pollen levels in Wongan Hills are high. Acacia is the main contributor to airborne pollen, while grass, cypress, and myrtle remain at lower levels
Will pollen levels change in Wongan Hills tomorrow?
On 21 September 2026, pollen conditions in Wongan Hills will be different from today, with grass at low levels, acacia at high levels, myrtle at low levels and cypress increasing
Is pollen expected to decrease in Wongan Hills this week?
According to the five-day outlook, grass, acacia, cypress, and myrtle pollen levels are expected to gradually decrease, suggesting improving conditions later in the week.
Which pollen types are currently active in Wongan Hills?
On 20 September 2026, Acacia is the dominant pollen source in Wongan Hills. grass, cypress, and myrtle are also present but at lower levels.
When is pollen season in Wongan Hills?
How often is the Wongan Hills pollen forecast updated?
The Wongan Hills pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Wongan Hills 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 Wongan Hills 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 Wongan Hills, 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).
