Leeman pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Leeman is high; acacia is high; cypress and grass are low.
Pollen Tomorrow
Tomorrow (21 September 2026) acacia remains high, cypress remains low, grass remains low, eucalyptus at low levels.
7-Day Trend
Over the next week eucalyptus and grass will increase; acacia and cypress will decrease.
Explore Forecasts
Air Quality
Pollen for Neighborhoods
Air Quality in Other Cities
Get More in Our App
Local pollen and air quality forecasts, interactive pollen maps and route profiles
Features and forecast availability vary by region.
Pollen Risk
Today - 20 September
| Pollen species | Level | Value |
|---|---|---|
| Acacia (Acacia) | High | 53/100 |
| Cypress (Cupressaceae) | Low | 19/100 |
| Eucalyptus (Myrtaceae) | None | 0/100 |
| Grass (Poaceae) | Low | 9/100 |
Tomorrow - 21 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | High | 59/100 | |
| Cypress (Cupressaceae) | Low | 24/100 | |
| Eucalyptus (Myrtaceae) | Low | 4/100 | |
| Grass (Poaceae) | Low | 15/100 |
Local Environmental Conditions
Without notable forest, water, or parkland close by, roadside and paddock grasses are the more likely dominant pollen source here. As with most local readings, actual levels can vary somewhat with short-term weather swings. The general pattern described here holds fairly steady across nearby areas with similar land cover. Local wind exposure and land use can shift the exact mix slightly from block to block.
Grass pollen climbs toward a November peak, with the season extending well into summer before finally winding down in February. Year-to-year timing varies a little, though the general sequence stays fairly consistent here. Actual peak timing can drift earlier or later depending on how the season's weather plays out. Neighboring parts of the region typically see this same sequence with only minor timing shifts.
Get pollen & AQ on Strava
Follow your environmental exposure and performance with the free Airmine-Strava integration. See your pollen and air quality exposure for every Strava activity.
Resource Hub
Pollen forecast neighborhoods 1 neighborhood
Frequently Asked Questions About Pollen in Western Australia
Is pollen high in Leeman right now?
On 20 September 2026, overall pollen levels in Leeman are high. Acacia is the main contributor to airborne pollen, while cypress and grass remain at lower levels
Will pollen levels change in Leeman tomorrow?
On 21 September 2026, pollen conditions in Leeman will be different from today, with acacia at high levels, cypress at low levels, myrtle at low levels, grass at low levels
Is pollen expected to decrease in Leeman this week?
According to the five-day outlook, acacia and cypress pollen levels are expected to gradually decrease, while myrtle and grass pollen will increase, suggesting mixed conditions later in the week.
Which pollen types are currently active in Leeman?
On 20 September 2026, Acacia is the dominant pollen source in Leeman. cypress and grass are also present but at lower levels. myrtle are not currently active.
When is pollen season in Leeman?
How often is the Leeman pollen forecast updated?
The Leeman pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Leeman 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 Leeman 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 Leeman, 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).
