Seymour pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Seymour is moderate; acacia, cypress, and eucalyptus are moderate.
Pollen Tomorrow
Tomorrow (21 September 2026) cypress declining, acacia no longer expected, 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) | Moderate | 38/100 |
| Cypress (Cupressaceae) | Moderate | 44/100 |
| Eucalyptus (Myrtaceae) | Moderate | 26/100 |
| Grass (Poaceae) | None | 0/100 |
Tomorrow - 21 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | None | 0/100 | |
| Cypress (Cupressaceae) | Low | 2/100 | |
| Eucalyptus (Myrtaceae) | None | 0/100 | |
| Grass (Poaceae) | None | 0/100 |
Local Environmental Conditions
Seymour sits where the Goulburn and Sunday Creek meet, surrounded by grazing paddocks and orchard country; river red gum and box woodland line the waterways, while the town's streets are planted with a mix of exotic shade trees and native eucalypts. Grass pollen typically becomes the dominant local allergen through late spring and into summer, following an earlier and comparatively brief peak from flowering wattle and eucalypt in the cooler months.
Seymour, at the junction of the Goulburn and Hume corridors, sits amid irrigated orchards and grazing land north of Melbourne. Grass pollen from pasture and orchard understorey builds from September, peaking October and November, while tree pollen from cypress windbreaks and eucalypts contributes earlier in spring. The Goulburn Valley's irrigation keeps vegetation growing through the warmer months, sustaining pollen exposure a little longer than in drier parts of inland Victoria, before summer heat curbs growth from December onward.
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Resource Hub
Pollen forecast neighborhoods 11 neighborhoods
Sports venues in Seymour 1 sports venue
Frequently Asked Questions About Pollen in Victoria
Is pollen high in Seymour right now?
On 20 September 2026, overall pollen levels in Seymour are moderate. Acacia is the main contributor to airborne pollen, while cypress and myrtle remain at lower levels
Will pollen levels change in Seymour tomorrow?
On 21 September 2026, pollen conditions in Seymour will be different from today, with cypress continuing to decline
Is pollen expected to decrease in Seymour 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 Seymour?
On 20 September 2026, Acacia is the dominant pollen source in Seymour. cypress and myrtle are also present but at lower levels. grass are not currently active.
When is pollen season in Seymour?
How often is the Seymour pollen forecast updated?
The Seymour pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Seymour 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 Seymour 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 Seymour, 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).
