Mungalup pollen forecast — The Boulders neighborhood
Pollen Today
Today (20 September) pollen in The Boulders, Mungalup is high; eucalyptus is high; cypress is moderate; acacia and grass are low.
Pollen Tomorrow
Tomorrow (21 September 2026) acacia remains low, cypress remains moderate, eucalyptus declining, grass no longer expected.
7-Day Trend
Over the next week acacia, eucalyptus, and grass will increase; cypress will decrease.
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Pollen Risk
Today - 20 September
| Pollen species | Level | Value |
|---|---|---|
| Acacia (Acacia) | Low | 25/100 |
| Cypress (Cupressaceae) | Moderate | 47/100 |
| Eucalyptus (Myrtaceae) | High | 58/100 |
| Grass (Poaceae) | Low | 14/100 |
Tomorrow - 21 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | Low | 11/100 | |
| Cypress (Cupressaceae) | Moderate | 32/100 | |
| Eucalyptus (Myrtaceae) | Moderate | 45/100 | |
| Grass (Poaceae) | None | 0/100 |
Local Environmental Conditions
River oak lines the bank, contributing some of the season's more persistent wind-borne pollen, within the local area. A canopy of eucalypt threaded with wattle, wattle chief among them for allergenic potency here; this sits within the neighborhood. Local readings for the surrounding area tend to follow this same general pattern.
River oak near the water opens the pollen calendar early, usually the first pollen source active, peaking sometime in July or August. The nearby eucalypt and wattle stands take the lead as winter turns to spring, cresting around August and September in the year's sharpest tree-pollen spike. Grass pollen climbs toward a November peak, then persisting at a reduced but still meaningful level into the new year.
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Frequently Asked Questions About Pollen in Western Australia
Is pollen high in Mungalup right now?
On 20 September 2026, overall pollen levels in Mungalup are high. Myrtle is the main contributor to airborne pollen, while cypress, acacia, and grass remain at lower levels
Will pollen levels change in Mungalup tomorrow?
On 21 September 2026, pollen conditions in Mungalup will be different from today, with acacia at low levels, cypress at moderate levels and myrtle continuing to decline
Is pollen expected to decrease in Mungalup this week?
According to the five-day outlook, cypress pollen levels are expected to gradually decrease, while acacia, myrtle, and grass pollen will increase, suggesting mixed conditions later in the week.
Which pollen types are currently active in Mungalup?
On 20 September 2026, Myrtle is the dominant pollen source in Mungalup. cypress, acacia, and grass are also present but at lower levels.
When is pollen season in Mungalup?
How often is the Mungalup pollen forecast updated?
The Mungalup pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Mungalup 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 Mungalup 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 Mungalup, 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).
