Etmilyn pollen forecast — Swamp Oak Campsite neighborhood
Pollen Today
Today (16 September) pollen in Swamp Oak Campsite, Etmilyn is moderate; acacia, cypress, and eucalyptus are moderate; grass is low.
Pollen Tomorrow
Tomorrow (17 September 2026) cypress declining, eucalyptus declining, acacia no longer expected, grass no longer expected.
7-Day Trend
Over the next week acacia, cypress, eucalyptus, and grass will increase.
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Pollen Risk
Today - 16 September
| Pollen species | Level | Value |
|---|---|---|
| Acacia (Acacia) | Moderate | 30/100 |
| Cypress (Cupressaceae) | Moderate | 50/100 |
| Eucalyptus (Myrtaceae) | Moderate | 48/100 |
| Grass (Poaceae) | Low | 18/100 |
Tomorrow - 17 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | None | 0/100 | |
| Cypress (Cupressaceae) | Low | 16/100 | |
| Eucalyptus (Myrtaceae) | Low | 16/100 | |
| Grass (Poaceae) | None | 0/100 |
Local Environmental Conditions
Located within easy reach, this area has a stand of eucalypt with wattle through the understorey, wattle ranked among the region's sharpest allergens. Small shifts in elevation or soil type can move these figures a little either way. Neighboring areas with similar land cover tend to show a closely matching pollen mix.
In Swamp Oak Campsite, eucalypt and wattle in the woods pick up where river oak leaves off, peaking as wattle comes into full flower, generally August into September. Grass pollen climbs toward a November peak, before continuing at a lower but still notable level through January and February. Warmer or wetter years can pull these peaks a week or two earlier or later.
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Frequently Asked Questions About Pollen in Western Australia
Is pollen high in Etmilyn right now?
On 16 September 2026, overall pollen levels in Etmilyn are moderate. Myrtle is the main contributor to airborne pollen, while acacia, cypress, and grass remain at lower levels
Will pollen levels change in Etmilyn tomorrow?
On 17 September 2026, pollen conditions in Etmilyn will be different from today, with myrtle, cypress continuing to decline
Is pollen expected to decrease in Etmilyn this week?
According to the five-day outlook, myrtle, grass, acacia, and cypress pollen levels will increase later in the week.
Which pollen types are currently active in Etmilyn?
On 16 September 2026, Myrtle is the dominant pollen source in Etmilyn. acacia, cypress, and grass are also present but at lower levels.
When is pollen season in Etmilyn?
How often is the Etmilyn pollen forecast updated?
The Etmilyn pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Etmilyn 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 Etmilyn 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 Etmilyn, 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).
