Rockingham pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Rockingham is low; acacia, cypress, and eucalyptus are low.
Pollen Tomorrow
Tomorrow (21 September 2026) acacia remains low, cypress remains low, 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 - 20 September
| Pollen species | Level | Value |
|---|---|---|
| Acacia (Acacia) | Low | 8/100 |
| Cypress (Cupressaceae) | Low | 15/100 |
| Eucalyptus (Myrtaceae) | Low | 1/100 |
| Grass (Poaceae) | None | 0/100 |
Tomorrow - 21 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | Low | 7/100 | |
| Cypress (Cupressaceae) | Low | 14/100 | |
| Eucalyptus (Myrtaceae) | None | 0/100 | |
| Grass (Poaceae) | None | 0/100 |
Local Environmental Conditions
Rockingham sits on Perth's southern coastal plain, where banksia woodland and coastal heath on sandy soils meet suburban development; tuart and marri are notable local eucalypts, with foreshore reserves retaining low coastal shrubland along the Indian Ocean beaches. Local pollen levels typically peak in spring as grasses flower ahead of the dry Mediterranean summer, following an earlier wattle season through the cooler, wetter winter months.
Rockingham, on the coast south of Perth, shares the broader southwest's concentrated Mediterranean pollen season, running roughly August through November and tapering sharply as the region's dry summer sets in. Sea breezes off Cockburn Sound help keep pollen levels moderate compared with inland areas, though warm easterly conditions can occasionally raise counts. Tree pollen, including casuarina and introduced ornamentals, appears from August, with grass pollen from surrounding reserves and pasture peaking in spring before the summer dry-off.
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Frequently Asked Questions About Pollen in Western Australia
Is pollen high in Rockingham right now?
On 20 September 2026, overall pollen levels in Rockingham are low. Acacia is the main contributor to airborne pollen, while cypress and myrtle remain at lower levels
Will pollen levels change in Rockingham tomorrow?
On 21 September 2026, pollen conditions in Rockingham will be different from today, with acacia at low levels, cypress at low levels
Is pollen expected to decrease in Rockingham this week?
According to the five-day outlook, acacia, cypress, myrtle, and grass pollen levels will increase later in the week.
Which pollen types are currently active in Rockingham?
On 20 September 2026, Acacia is the dominant pollen source in Rockingham. cypress and myrtle are also present but at lower levels. grass are not currently active.
When is pollen season in Rockingham?
How often is the Rockingham pollen forecast updated?
The Rockingham pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Rockingham 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 Rockingham 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 Rockingham, 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).
