Parramatta pollen forecast — Old Government House neighborhood
Pollen Today
Today (20 September) pollen in Old Government House, Parramatta is none
Pollen Tomorrow
Tomorrow (21 September 2026) levels are similar to today.
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) | None | 0/100 |
| Eucalyptus (Myrtaceae) | None | 0/100 |
| 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
River oak crowds the water's edge here, a well-known contributor to local casuarina pollen counts, just around the area. Nearby, in the vicinity, woodland where eucalypt stands alongside wattle, the latter especially aggressive as an allergen when in full flower. Located in the surrounding area, this area has green space with maintained lawn and planted plane trees, both contributing to seasonal pollen counts.
The waterside river oak is consistently first to release pollen each year, topping out well before most other trees start releasing pollen, around July and August. Eucalypt and wattle in the woodland come next, as wattle bursts into flower, usually hitting its highest point sometime between mid-August and mid-September. Grass pollen builds through spring and peaks in November, and remaining a significant allergen right through summer until it eases in February.
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Frequently Asked Questions About Pollen in New South Wales
Is pollen high in Parramatta right now?
Currently, there is no significant pollen in Parramatta.
Will pollen levels change in Parramatta tomorrow?
On 21 September 2026, pollen conditions in Parramatta will be similar to today with no significant pollen expected.
Is pollen expected to decrease in Parramatta this week?
According to the five-day outlook, myrtle, acacia, and cypress pollen levels will increase later in the week.
Which pollen types are currently active in Parramatta?
On 20 September 2026, there are no significant pollen types in Parramatta.
When is pollen season in Parramatta?
How often is the Parramatta pollen forecast updated?
The Parramatta pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Parramatta 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 Parramatta 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 Parramatta, 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).
