The Rocks pollen forecast — Well Courtyard neighborhood
Pollen Today
Today (20 September) pollen in Well Courtyard, The Rocks is low; acacia and cypress are low.
Pollen Tomorrow
Tomorrow (21 September 2026) acacia no longer expected, cypress no longer expected.
7-Day Trend
Over the next week acacia and cypress will increase; eucalyptus and grass will remain stable.
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Pollen Risk
Today - 20 September
| Pollen species | Level | Value |
|---|---|---|
| Acacia (Acacia) | Low | 6/100 |
| Cypress (Cupressaceae) | Low | 8/100 |
| 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
A stand of river oak lines the water, a reliable source of casuarina pollen through the warmer months; this sits not far from here. Tree cover made up mostly of eucalypt and wattle, wattle in particular a well-known seasonal trigger, a short distance from here. Mown grass and planted plane trees in a nearby park, adding to the seasonal pollen mix; this sits a short distance from here.
Near the bank, river oak leads the seasonal calendar, usually the first pollen source active, peaking sometime in July or August. Eucalypt and wattle in the nearby woodland follow through late winter and early spring, cresting around August and September in the year's sharpest tree-pollen spike. Grass pollen takes over next, building to a peak around November, before continuing at a lower but still notable level through January and February.
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Frequently Asked Questions About Pollen in New South Wales
Is pollen high in The Rocks right now?
On 20 September 2026, overall pollen levels in The Rocks are low. Acacia is the main contributor to airborne pollen, while cypress remain at lower levels
Will pollen levels change in The Rocks tomorrow?
On 21 September 2026, pollen conditions in The Rocks will be similar to today with no significant pollen expected.
Is pollen expected to decrease in The Rocks this week?
According to the five-day outlook, acacia and cypress pollen levels will increase later in the week.
Which pollen types are currently active in The Rocks?
On 20 September 2026, Acacia is the dominant pollen source in The Rocks. cypress are also present but at lower levels. myrtle and grass are not currently active.
When is pollen season in The Rocks?
How often is the The Rocks pollen forecast updated?
The The Rocks pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in The Rocks 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 The Rocks 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 The Rocks, 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).
