Sydney pollen forecast — Circular Quay neighborhood
Pollen Today
Today (16 September) pollen in Circular Quay, Sydney is low; cypress is low.
Pollen Tomorrow
Tomorrow (17 September 2026) cypress remains low, acacia at low levels.
7-Day Trend
Over the next week acacia and cypress will decrease; eucalyptus and grass will remain stable.
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Pollen Risk
Today - 16 September
| Pollen species | Level | Value |
|---|---|---|
| Acacia (Acacia) | None | 0/100 |
| Cypress (Cupressaceae) | Low | 3/100 |
| Eucalyptus (Myrtaceae) | None | 0/100 |
| Grass (Poaceae) | None | 0/100 |
Tomorrow - 17 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | Low | 18/100 | |
| Cypress (Cupressaceae) | Low | 21/100 | |
| Eucalyptus (Myrtaceae) | None | 0/100 | |
| Grass (Poaceae) | None | 0/100 |
Local Environmental Conditions
Circular Quay is Sydney Harbour's dense, paved civic heart, where vegetation is confined to planted fig trees along the Botanic Gardens' edge and formal plaza plantings; the adjacent Royal Botanic Garden contributes a significant nearby source of both native and exotic tree pollen. Like much of the surrounding region, this area sees an early wattle and eucalypt flowering season give way to a longer grass pollen period running from spring into early summer.
Ferries, sandstone and harbour views leave little room for grass at Circular Quay, so pollen exposure here comes mostly from street trees and particles drifting in on the breeze. Plane trees, eucalypts, casuarina and birch typically start releasing from August, while ryegrass from nearby parklands still reaches its usual October-to-December peak citywide. As one of Sydney's most harbourside locations, Circular Quay tends to experience a milder season than the hotter, grassier Cumberland Plain suburbs, with relief by January.
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Frequently Asked Questions About Pollen in New South Wales
Is pollen high in Sydney right now?
On 16 September 2026, overall pollen levels in Sydney are low. Cypress is the main contributor to airborne pollen
Will pollen levels change in Sydney tomorrow?
On 17 September 2026, pollen conditions in Sydney will be different from today, with acacia at low levels, cypress at low levels
Is pollen expected to decrease in Sydney this week?
According to the five-day outlook, acacia and cypress pollen levels are expected to gradually decrease, suggesting improving conditions later in the week.
Which pollen types are currently active in Sydney?
On 16 September 2026, Cypress is the dominant pollen source in Sydney. acacia, myrtle, and grass are not currently active.
When is pollen season in Sydney?
How often is the Sydney pollen forecast updated?
The Sydney pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Sydney 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 Sydney 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 Sydney, 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).
