Mosman Municipal Council pollen forecast — Watchtower neighborhood
Pollen Today
Today (20 September) pollen in Watchtower, Mosman Municipal Council is low; acacia, cypress, 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 | 7/100 |
| Cypress (Cupressaceae) | Low | 12/100 |
| Eucalyptus (Myrtaceae) | Low | 9/100 |
| 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 grows along the bank here, releasing fine wind-borne pollen typical of casuarina species, within the local area. Here, within the neighborhood's edge, forest where eucalypt and wattle share the canopy and margins, wattle driving most of the seasonal pollen spike. Nearby, in the wider area, a park combining lawn grass and plane trees, both contributors to pollen here through the warmer months.
The water-adjacent river oak is an early riser, arriving ahead of the rest of the season, cresting around mid-winter. The woodland's eucalypt and wattle trees become the main pollen source as wattle flowers, reaching maximum intensity across the August-September window. Grass pollen rises through spring toward a November high point, 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 Mosman Municipal Council right now?
On 20 September 2026, overall pollen levels in Mosman Municipal Council are low. Acacia is the main contributor to airborne pollen, while cypress and myrtle remain at lower levels
Will pollen levels change in Mosman Municipal Council tomorrow?
On 21 September 2026, pollen conditions in Mosman Municipal Council will be similar to today with no significant pollen expected.
Is pollen expected to decrease in Mosman Municipal Council 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 Mosman Municipal Council?
On 20 September 2026, Acacia is the dominant pollen source in Mosman Municipal Council. cypress and myrtle are also present but at lower levels. grass are not currently active.
When is pollen season in Mosman Municipal Council?
How often is the Mosman Municipal Council pollen forecast updated?
The Mosman Municipal Council pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Mosman Municipal Council 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 Mosman Municipal Council 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 Mosman Municipal Council, 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).
