Grassy Head pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (16 September) pollen in Grassy Head is low; cypress and eucalyptus are low.
Pollen Tomorrow
Tomorrow (17 September 2026) cypress increasing, eucalyptus increasing, acacia at low levels.
7-Day Trend
Over the next week acacia, cypress, and eucalyptus will decrease; 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 | 21/100 |
| Eucalyptus (Myrtaceae) | Low | 1/100 |
| Grass (Poaceae) | None | 0/100 |
Tomorrow - 17 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | Low | 18/100 | |
| Cypress (Cupressaceae) | Moderate | 46/100 | |
| Eucalyptus (Myrtaceae) | Moderate | 27/100 | |
| Grass (Poaceae) | None | 0/100 |
Local Environmental Conditions
This area, within the neighborhood, has the nearest creek or river hosts river oak, among the most allergenic wind-pollinated trees found on watercourses. Woodland dominated by eucalypt and wattle, with wattle the more potent allergen of the two; this sits within the neighborhood's edge. Local microclimate and soil conditions can push these figures slightly higher or lower.
The bank's river oak kicks off the pollen season ahead of the rest, 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, typically the year's sharpest tree-pollen spell, centered on wattle's flowering in August and September. By late spring, grass pollen is climbing steadily toward a November high point, before pollen counts gradually decline through January and February.
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Resource Hub
Pollen forecast neighborhoods 2 neighborhoods
Frequently Asked Questions About Pollen in New South Wales
Is pollen high in Grassy Head right now?
On 16 September 2026, overall pollen levels in Grassy Head are low. Cypress is the main contributor to airborne pollen, while myrtle remain at lower levels
Will pollen levels change in Grassy Head tomorrow?
On 17 September 2026, pollen conditions in Grassy Head will be different from today, with acacia at low levels and cypress, myrtle increasing
Is pollen expected to decrease in Grassy Head this week?
According to the five-day outlook, acacia, cypress, and myrtle pollen levels are expected to gradually decrease, suggesting improving conditions later in the week.
Which pollen types are currently active in Grassy Head?
On 16 September 2026, Cypress is the dominant pollen source in Grassy Head. myrtle are also present but at lower levels. acacia and grass are not currently active.
When is pollen season in Grassy Head?
How often is the Grassy Head pollen forecast updated?
The Grassy Head pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Grassy Head 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 Grassy Head 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 Grassy Head, 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).
