Perth pollen forecast — Narrows Interchange neighborhood
Pollen Today
Today (16 September) pollen in Narrows Interchange, Perth is low; acacia, cypress, and eucalyptus are low.
Pollen Tomorrow
Tomorrow (17 September 2026) acacia no longer expected, cypress no longer expected, eucalyptus 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) | Low | 11/100 |
| Cypress (Cupressaceae) | Low | 16/100 |
| Eucalyptus (Myrtaceae) | Low | 10/100 |
| Grass (Poaceae) | None | 0/100 |
Tomorrow - 17 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | None | 0/100 | |
| Cypress (Cupressaceae) | None | 0/100 | |
| Eucalyptus (Myrtaceae) | None | 0/100 | |
| Grass (Poaceae) | None | 0/100 |
Local Environmental Conditions
Nearby, within the neighborhood's edge, river oak grows along the bank here, releasing fine wind-borne pollen typical of casuarina species. Woodland where eucalypt stands alongside wattle, the latter especially aggressive as an allergen when in full flower; this sits just outside the immediate area. Nearby, within easy reach, mown grass and planted plane trees in a nearby park, adding to the seasonal pollen mix.
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. By late winter, eucalypt and wattle in the woods take over, reaching its high point through August and into October. Grass pollen counts rise through spring, reaching their peak around November, 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 Perth right now?
On 16 September 2026, overall pollen levels in Perth are low. Cypress is the main contributor to airborne pollen, while myrtle and acacia remain at lower levels
Will pollen levels change in Perth tomorrow?
On 17 September 2026, pollen conditions in Perth will be similar to today with no significant pollen expected.
Is pollen expected to decrease in Perth this week?
According to the five-day outlook, cypress, myrtle, grass, and acacia pollen levels will increase later in the week.
Which pollen types are currently active in Perth?
On 16 September 2026, Cypress is the dominant pollen source in Perth. myrtle and acacia are also present but at lower levels. grass are not currently active.
When is pollen season in Perth?
How often is the Perth pollen forecast updated?
The Perth pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in 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 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 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).