Lysterfield South pollen forecast — SEC Hill lookout neighborhood
Pollen Today
Today (20 September) pollen in SEC Hill lookout, Lysterfield South is high; eucalyptus is high; cypress is moderate; acacia is low.
Pollen Tomorrow
Tomorrow (21 September 2026) cypress declining, eucalyptus declining, acacia no longer expected.
7-Day Trend
Over the next week acacia, cypress, and eucalyptus will increase; grass will remain stable.
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Pollen Risk
Today - 20 September
| Pollen species | Level | Value |
|---|---|---|
| Acacia (Acacia) | Low | 25/100 |
| Cypress (Cupressaceae) | Moderate | 41/100 |
| Eucalyptus (Myrtaceae) | High | 60/100 |
| Grass (Poaceae) | None | 0/100 |
Tomorrow - 21 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | None | 0/100 | |
| Cypress (Cupressaceae) | Low | 4/100 | |
| Eucalyptus (Myrtaceae) | Low | 23/100 | |
| Grass (Poaceae) | None | 0/100 |
Local Environmental Conditions
The riverbank shelters river oak, whose pollen spreads readily on the wind from spring onward, close to this spot. Here, close to this spot, tree cover made up mostly of eucalypt and wattle, wattle in particular a well-known seasonal trigger. Located in the wider area, this area has a park combining lawn grass and plane trees, both contributors to pollen here through the warmer months.
The water-adjacent river oak is an early riser, usually the first pollen source active, peaking sometime in July or August. Once river oak fades, eucalypt and wattle in the woods carry the season forward, typically the year's sharpest tree-pollen spell, centered on wattle's flowering in August and September. Grass pollen rises through spring toward a November high point, then persisting at a reduced but still meaningful level into the new year.
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Frequently Asked Questions About Pollen in Victoria
Is pollen high in Lysterfield South right now?
On 20 September 2026, overall pollen levels in Lysterfield South are high. Myrtle is the main contributor to airborne pollen, while cypress and acacia remain at lower levels
Will pollen levels change in Lysterfield South tomorrow?
On 21 September 2026, pollen conditions in Lysterfield South will be different from today, with cypress, myrtle continuing to decline
Is pollen expected to decrease in Lysterfield South this week?
According to the five-day outlook, acacia, cypress, and myrtle pollen levels will increase later in the week.
Which pollen types are currently active in Lysterfield South?
On 20 September 2026, Myrtle is the dominant pollen source in Lysterfield South. cypress and acacia are also present but at lower levels. grass are not currently active.
When is pollen season in Lysterfield South?
How often is the Lysterfield South pollen forecast updated?
The Lysterfield South pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Lysterfield South 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 Lysterfield South 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 Lysterfield South, 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).
