Yarrowitch pollen forecast — The Rocks neighborhood
Pollen Today
Today (20 September) pollen in The Rocks, Yarrowitch is high; eucalyptus is high; cypress is moderate; acacia is low.
Pollen Tomorrow
Tomorrow (21 September 2026) levels are similar to today.
7-Day Trend
Over the next week acacia will increase; cypress and eucalyptus will decrease; grass will remain stable.
Explore Forecasts
Air Quality
Pollen for Neighborhoods
Get More in Our App
Local pollen and air quality forecasts, interactive pollen maps and route profiles
Features and forecast availability vary by region.
Pollen Risk
Today - 20 September
| Pollen species | Level | Value |
|---|---|---|
| Acacia (Acacia) | Low | 23/100 |
| Cypress (Cupressaceae) | Moderate | 46/100 |
| Eucalyptus (Myrtaceae) | High | 70/100 |
| Grass (Poaceae) | None | 0/100 |
Tomorrow - 21 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | Low | 6/100 | |
| Cypress (Cupressaceae) | Moderate | 29/100 | |
| Eucalyptus (Myrtaceae) | High | 70/100 | |
| Grass (Poaceae) | None | 0/100 |
Local Environmental Conditions
Located in the vicinity, this area has woodland where eucalypt stands alongside wattle, the latter especially aggressive as an allergen when in full flower. Seasonal timing here generally tracks the wider region, give or take a week or so. Surrounding neighborhoods with similar tree cover typically see a closely comparable pollen mix.
The nearby eucalypt and wattle stands take the lead as winter turns to spring, cresting around August and September in the year's sharpest tree-pollen spike. Grass pollen builds through spring and peaks in November, before gradually tapering off through the peak of summer into February. Exact peak dates shift by a few weeks year to year depending on temperature and rainfall.
Get pollen & AQ on Strava
Follow your environmental exposure and performance with the free Airmine-Strava integration. See your pollen and air quality exposure for every Strava activity.
Resource Hub
Frequently Asked Questions About Pollen in New South Wales
Is pollen high in Yarrowitch right now?
On 20 September 2026, overall pollen levels in Yarrowitch are high. Myrtle is the main contributor to airborne pollen, while cypress and acacia remain at lower levels
Will pollen levels change in Yarrowitch tomorrow?
On 21 September 2026, pollen conditions in Yarrowitch will be similar to today, with acacia at low levels, cypress at moderate levels, myrtle at high levels
Is pollen expected to decrease in Yarrowitch this week?
According to the five-day outlook, cypress and myrtle pollen levels are expected to gradually decrease, while acacia pollen will increase, suggesting mixed conditions later in the week.
Which pollen types are currently active in Yarrowitch?
On 20 September 2026, Myrtle is the dominant pollen source in Yarrowitch. cypress and acacia are also present but at lower levels. grass are not currently active.
When is pollen season in Yarrowitch?
How often is the Yarrowitch pollen forecast updated?
The Yarrowitch pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Yarrowitch 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 Yarrowitch 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 Yarrowitch, 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).
