Perth pollen forecast — City Beach neighborhood
Pollen Today
Today (20 September) pollen in City Beach, Perth is low; acacia, cypress, and eucalyptus are low.
Pollen Tomorrow
Tomorrow (21 September 2026) levels are similar to today.
7-Day Trend
Over the next week eucalyptus and grass will increase; acacia and cypress will decrease.
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Pollen Risk
Today - 20 September
| Pollen species | Level | Value |
|---|---|---|
| Acacia (Acacia) | Low | 14/100 |
| Cypress (Cupressaceae) | Low | 21/100 |
| Eucalyptus (Myrtaceae) | Low | 6/100 |
| Grass (Poaceae) | None | 0/100 |
Tomorrow - 21 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | Low | 12/100 | |
| Cypress (Cupressaceae) | Low | 19/100 | |
| Eucalyptus (Myrtaceae) | Low | 5/100 | |
| Grass (Poaceae) | None | 0/100 |
Local Environmental Conditions
City Beach sits on Perth's coastal plain, its dune reserve carrying coastal banksia woodland and spinifex grass typical of the Swan Coastal Plain, while the surrounding leafy residential streets are planted with tuart, marri and Mediterranean-climate ornamentals. As is typical for the south-west and south, wattle flowering through winter gives way to a spring grass pollen peak that eases once the region's dry summer sets in.
City Beach shares the shorter, sharper pollen season that sets Perth apart from subtropical cities further north: a mild, wet winter tips into a long dry summer, and in the gap between, tree pollen from coastal eucalypts and introduced species opens the season in August-September. Grass pollen from the suburb's parks, reserves and verges then peaks through October and November, before onshore winds and the dry summer heat bring pollen levels back down quickly.
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Frequently Asked Questions About Pollen in Western Australia
Is pollen high in Perth right now?
On 20 September 2026, overall pollen levels in Perth are low. Acacia is the main contributor to airborne pollen, while cypress and myrtle remain at lower levels
Will pollen levels change in Perth tomorrow?
On 21 September 2026, pollen conditions in Perth will be similar to today, with acacia at low levels, cypress at low levels, myrtle at low levels
Is pollen expected to decrease in Perth this week?
According to the five-day outlook, acacia and cypress pollen levels are expected to gradually decrease, while grass and myrtle pollen will increase, suggesting mixed conditions later in the week.
Which pollen types are currently active in Perth?
On 20 September 2026, Acacia is the dominant pollen source in Perth. cypress and myrtle 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).
