Chirnside Park pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Chirnside Park is moderate; cypress and eucalyptus are moderate; acacia is 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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Pollen Risk
Today - 20 September
| Pollen species | Level | Value |
|---|---|---|
| Acacia (Acacia) | Low | 22/100 |
| Cypress (Cupressaceae) | Moderate | 34/100 |
| Eucalyptus (Myrtaceae) | Moderate | 38/100 |
| 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
Chirnside Park sits on the edge of the Yarra Valley, where suburban development meets vineyard country and grazing pasture; remnant manna gum and messmate woodland persists on surrounding ridges, with wattle prominent through the valley each spring. Locally, wattle is usually the first to flower in late winter, with eucalypt blossom and pasture grasses following through spring; by mid-summer the grass pollen season has typically eased, leaving a quieter run into autumn.
Chirnside Park, on the fringe of the Yarra Valley wine region east of Melbourne, has a pollen season blending outer-suburban plantings with nearby vineyard and pasture land. Tree pollen from oak, plane and cypress species builds from August, with grass pollen from surrounding pasture and vineyard understorey peaking October to December. The valley's slightly cooler, moister climate compared with Melbourne's western suburbs can extend flowering a little later into spring than more exposed parts of the metropolitan area.
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Resource Hub
Sports venues in Chirnside Park 2 sports venues
Frequently Asked Questions About Pollen in Victoria
Is pollen high in Chirnside Park right now?
On 20 September 2026, overall pollen levels in Chirnside Park are moderate. Cypress is the main contributor to airborne pollen, while myrtle and acacia remain at lower levels
Will pollen levels change in Chirnside Park tomorrow?
On 21 September 2026, pollen conditions in Chirnside Park will be similar to today with no significant pollen expected.
Is pollen expected to decrease in Chirnside Park 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 Chirnside Park?
On 20 September 2026, Cypress is the dominant pollen source in Chirnside Park. myrtle and acacia are also present but at lower levels. grass are not currently active.
When is pollen season in Chirnside Park?
How often is the Chirnside Park pollen forecast updated?
The Chirnside Park pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Chirnside Park 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 Chirnside Park 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 Chirnside Park, 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).
