Shire of Yarra Ranges pollen forecast — Belgrave Heights neighborhood
Pollen Today
Today (20 September) pollen in Belgrave Heights, Shire of Yarra Ranges is low; cypress and eucalyptus are low.
Pollen Tomorrow
Tomorrow (21 September 2026) cypress remains low, eucalyptus increasing, acacia at low levels.
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) | None | 0/100 |
| Cypress (Cupressaceae) | Low | 2/100 |
| Eucalyptus (Myrtaceae) | Low | 17/100 |
| Grass (Poaceae) | None | 0/100 |
Tomorrow - 21 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | Low | 1/100 | |
| Cypress (Cupressaceae) | Low | 18/100 | |
| Eucalyptus (Myrtaceae) | Moderate | 32/100 | |
| Grass (Poaceae) | None | 0/100 |
Local Environmental Conditions
A stretch of wattle and casuarina lines the water, feeding some of spring's earliest pollen; this sits within the local area. This area, nearby, has a mix of plane tree and eucalypt trees, eucalypt in particular a notorious spring allergen source. Year-to-year swings in rainfall and wind can shift this picture somewhat either way.
In Belgrave Heights, temperatures climbing to 11.9°C by September likely mark the start of the main pollen release, with humidity around 72% helping keep counts airborne. Warmer conditions by December (17.8°C, 65% humidity) sustain grass pollen through the season, before rainfall of 60mm in March and cooling toward 9.2°C in June bring the season to a close.
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Frequently Asked Questions About Pollen in Victoria
Is pollen high in Shire of Yarra Ranges right now?
On 20 September 2026, overall pollen levels in Shire of Yarra Ranges are low. Cypress is the main contributor to airborne pollen, while myrtle remain at lower levels
Will pollen levels change in Shire of Yarra Ranges tomorrow?
On 21 September 2026, pollen conditions in Shire of Yarra Ranges will be different from today, with acacia at low levels, cypress at low levels and myrtle increasing
Is pollen expected to decrease in Shire of Yarra Ranges 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 Shire of Yarra Ranges?
On 20 September 2026, Cypress is the dominant pollen source in Shire of Yarra Ranges. myrtle are also present but at lower levels. acacia and grass are not currently active.
When is pollen season in Shire of Yarra Ranges?
How often is the Shire of Yarra Ranges pollen forecast updated?
The Shire of Yarra Ranges pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Shire of Yarra Ranges 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 Shire of Yarra Ranges 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 Shire of Yarra Ranges, 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).
