Dandenong pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Dandenong is moderate; cypress is moderate; acacia 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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Pollen Risk
Today - 20 September
| Pollen species | Level | Value |
|---|---|---|
| Acacia (Acacia) | Low | 21/100 |
| Cypress (Cupressaceae) | Moderate | 28/100 |
| Eucalyptus (Myrtaceae) | Low | 16/100 |
| 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
As a hub at the base of the Dandenong Ranges, the area transitions from industrial and residential streetscape to mountain-ash and fern-gully forest just a short drive north. Local parks and reserves mix eucalypts, wattle and introduced street trees, while the flatter surrounding country supports grazing pasture and market gardens. This blend of native forest fringe and cleared grassland gives Dandenong a pollen mix spanning tall eucalypt canopy, acacia, and seasonal grasses.
Dandenong's pollen season follows the standard southeastern pattern but with an added twist from its position at the foot of the forested Dandenong Ranges. Eucalypt and wattle pollen rise from August, and by October ryegrass and other pasture grasses across the surrounding plains become the dominant allergen, peaking into December. The nearby ranges' dense tree cover can funnel spring storm systems toward the suburb, raising the same thunderstorm-asthma risk documented across Melbourne's east in 2016. Grass pollen typically eases by January as summer heat sets in.
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Resource Hub
Pollen forecast neighborhoods 2 neighborhoods
Frequently Asked Questions About Pollen in Victoria
Is pollen high in Dandenong right now?
On 20 September 2026, overall pollen levels in Dandenong are moderate. Cypress is the main contributor to airborne pollen, while acacia and myrtle remain at lower levels
Will pollen levels change in Dandenong tomorrow?
On 21 September 2026, pollen conditions in Dandenong will be similar to today with no significant pollen expected.
Is pollen expected to decrease in Dandenong 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 Dandenong?
On 20 September 2026, Cypress is the dominant pollen source in Dandenong. acacia and myrtle are also present but at lower levels. grass are not currently active.
When is pollen season in Dandenong?
How often is the Dandenong pollen forecast updated?
The Dandenong pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Dandenong 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 Dandenong 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 Dandenong, 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).
