Sunbury pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Sunbury is low; acacia, cypress, and eucalyptus are low.
Pollen Tomorrow
Tomorrow (21 September 2026) acacia no longer expected, cypress no longer expected, eucalyptus no longer expected.
7-Day Trend
Over the next week acacia, cypress, and eucalyptus will increase; grass will remain stable.
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Features and forecast availability vary by region.
Pollen Risk
Today - 20 September
| Pollen species | Level | Value |
|---|---|---|
| Acacia (Acacia) | Low | 16/100 |
| Cypress (Cupressaceae) | Low | 16/100 |
| Eucalyptus (Myrtaceae) | Low | 12/100 |
| Grass (Poaceae) | None | 0/100 |
Tomorrow - 21 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | None | 0/100 | |
| Cypress (Cupressaceae) | None | 0/100 | |
| Eucalyptus (Myrtaceae) | None | 0/100 | |
| Grass (Poaceae) | None | 0/100 |
Local Environmental Conditions
Sunbury's volcanic plains grassland is interspersed with river red gum along Jacksons Creek and remnant grassy woodland near Organ Pipes National Park, though rapid outer-suburban development is steadily replacing paddocks with new housing estates. Manna gum and scattered grassland daisies, remnants of one of Australia's most depleted ecosystems, persist in small reserves and along travelling stock routes on the town's fringe, offering a contrast to the introduced garden plantings and turf now spreading across former paddocks with each new estate.
On Melbourne's volcanic outer-northern plains, pollen season runs August to January, with eucalypt and wattle flowering in late winter followed by rye grass across the surrounding grassy plains peaking October to December. The open volcanic grassland typical of this growth corridor means spring winds can carry substantial grass pollen loads even as new housing estates replace paddocks.
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Resource Hub
Pollen forecast neighborhoods 2 neighborhoods
Sports venues in Sunbury 1 sports venue
Frequently Asked Questions About Pollen in Victoria
Is pollen high in Sunbury right now?
On 20 September 2026, overall pollen levels in Sunbury are low. Acacia is the main contributor to airborne pollen, while cypress and myrtle remain at lower levels
Will pollen levels change in Sunbury tomorrow?
On 21 September 2026, pollen conditions in Sunbury will be similar to today with no significant pollen expected.
Is pollen expected to decrease in Sunbury 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 Sunbury?
On 20 September 2026, Acacia is the dominant pollen source in Sunbury. cypress and myrtle are also present but at lower levels. grass are not currently active.
When is pollen season in Sunbury?
How often is the Sunbury pollen forecast updated?
The Sunbury pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Sunbury 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 Sunbury 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 Sunbury, 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).
