Perth pollen forecast — Mount Lawley neighborhood
Pollen Today
Today (20 September) pollen in Mount Lawley, Perth is low; acacia, cypress, and eucalyptus are low.
Pollen Tomorrow
Tomorrow (21 September 2026) acacia remains low, cypress remains low, eucalyptus remains low, grass at low levels.
7-Day Trend
Over the next week acacia, cypress, eucalyptus, and grass will decrease.
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Pollen Risk
Today - 20 September
| Pollen species | Level | Value |
|---|---|---|
| Acacia (Acacia) | Low | 5/100 |
| Cypress (Cupressaceae) | Low | 10/100 |
| Eucalyptus (Myrtaceae) | Low | 3/100 |
| Grass (Poaceae) | None | 0/100 |
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
Mount Lawley is known for its jacaranda-lined streets, among the most photographed in Perth, flowering purple each November, alongside plane trees and other established exotic street plantings in its heritage residential precinct. Private gardens carry a mix of native and exotic ornamentals. This strong jacaranda avenue planting gives Mount Lawley a distinctive, concentrated spring flowering-tree pollen pulse relative to Perth's coastal suburbs.
Mount Lawley's leafy, heritage-lined streets support solid tree pollen exposure from wattle and eucalypt from August, with grass pollen from local parks peaking September-October, in line with Perth's concentrated Mediterranean season. Being further inland than the coastal suburbs, Mount Lawley can run a touch warmer through spring, occasionally sharpening the grass pollen peak before the summer dry sets in. Federation-era gardens with mature deciduous plantings add a further tree pollen layer beyond the wattle.
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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. Myrtle is the main contributor to airborne pollen, while acacia and cypress remain at lower levels
Will pollen levels change in Perth tomorrow?
On 21 September 2026, pollen conditions in Perth will be different from today, with myrtle at low levels, grass at low levels, acacia at low levels, cypress at low levels
Is pollen expected to decrease in Perth this week?
According to the five-day outlook, myrtle, grass, acacia, and cypress pollen levels are expected to gradually decrease, suggesting improving conditions later in the week.
Which pollen types are currently active in Perth?
On 20 September 2026, Myrtle is the dominant pollen source in Perth. acacia and cypress 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).
