South Perth pollen forecast — Waterford neighborhood
Pollen Today
Today (20 September) pollen in Waterford, South Perth is low; acacia, cypress, eucalyptus, and grass are low.
Pollen Tomorrow
Tomorrow (21 September 2026) levels are similar to today.
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 | 4/100 |
| Cypress (Cupressaceae) | Low | 9/100 |
| Eucalyptus (Myrtaceae) | Low | 2/100 |
| Grass (Poaceae) | Low | 2/100 |
Tomorrow - 21 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | Low | 5/100 | |
| Cypress (Cupressaceae) | Low | 10/100 | |
| Eucalyptus (Myrtaceae) | Low | 3/100 | |
| Grass (Poaceae) | Low | 3/100 |
Local Environmental Conditions
The waterside growth here is largely wattle and casuarina, both efficient wind-pollen dispersers, in the vicinity. Plane tree and eucalypt trees, with eucalypt pollen especially potent during its brief spring window; this sits close by. Located just outside the immediate area, this area has a park whose lawns and ornamental trees quietly add to grass and plantain and weed pollen levels.
In Waterford, temperatures climbing to 16.5°C by September likely mark the start of the main pollen release, with humidity around 74% helping keep counts airborne. Warmer conditions by December (22.4°C, 63% humidity) sustain grass pollen through the season, before rainfall of 22mm in March and cooling toward 16.9°C in June bring the season to a close.
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Frequently Asked Questions About Pollen in Western Australia
Is pollen high in South Perth right now?
On 20 September 2026, overall pollen levels in South Perth are low. Grass is the main contributor to airborne pollen, while acacia, cypress, and myrtle remain at lower levels
Will pollen levels change in South Perth tomorrow?
On 21 September 2026, pollen conditions in South Perth will be similar to today, with grass at low levels, acacia at low levels, cypress at low levels, myrtle at low levels
Is pollen expected to decrease in South Perth this week?
According to the five-day outlook, cypress pollen levels are expected to gradually decrease, while grass, acacia, and myrtle pollen will increase, suggesting mixed conditions later in the week.
Which pollen types are currently active in South Perth?
On 20 September 2026, Grass is the dominant pollen source in South Perth. acacia, cypress, and myrtle are also present but at lower levels.
When is pollen season in South Perth?
How often is the South Perth pollen forecast updated?
The South Perth pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in South 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 South 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 South 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).
