Horrocks Monument, Nectar Brook Pollen Forecast - Today, Tomorrow and the Week Ahead
Pollen Today
Today (10 October) pollen in Horrocks Monument, Nectar Brook is high; acacia is high; cypress, eucalyptus, and grass are moderate.
Pollen Tomorrow
Tomorrow (11 October 2026) acacia declining, cypress no longer expected, eucalyptus no longer expected, grass no longer expected.
7-Day Trend
Over the next week acacia, cypress, eucalyptus, and grass will increase.
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Pollen Risk
Today - 10 October
| Pollen species | Level | Value |
|---|---|---|
| Acacia (Acacia) | High | 53/100 |
| Cypress (Cupressaceae) | Moderate | 35/100 |
| Eucalyptus (Myrtaceae) | Moderate | 28/100 |
| Grass (Poaceae) | Moderate | 37/100 |
Tomorrow - 11 October
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | Low | 4/100 | |
| Cypress (Cupressaceae) | None | 0/100 | |
| Eucalyptus (Myrtaceae) | None | 0/100 | |
| Grass (Poaceae) | None | 0/100 |
Local Environmental Conditions
This site in Nectar Brook is surrounded mainly by open grassland, which covers around 91% of the nearby area. Grass pollen is plentiful, while pigweed leads among the weeds. Roadside verges and patches of open ground provide further room for grasses and weeds. Wind carries pollen over long distances, so the wider landscape also shapes what arrives here.
Grasses take over in late spring, with temperatures around 20°C, and their pollen lingers into early fall. Pigweed brings a final peak from early summer into early fall. In this dry climate, pollen can linger in the air for long spells without rain. Dry, sunny and breezy weather raises levels within each period, and steady rain brings them down.
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Frequently Asked Questions About Pollen in South Australia
Is pollen high in Nectar Brook right now?
On 10 October 2026, overall pollen levels in Nectar Brook are high. Acacia is the main contributor to airborne pollen, while myrtle, grass, and cypress remain at lower levels
Will pollen levels change in Nectar Brook tomorrow?
On 11 October 2026, pollen conditions in Nectar Brook will be different from today, with acacia continuing to decline
Is pollen expected to decrease in Nectar Brook this week?
According to the five-day outlook, myrtle, grass, acacia, and cypress pollen levels will increase later in the week.
Which pollen types are currently active in Nectar Brook?
On 10 October 2026, Acacia is the dominant pollen source in Nectar Brook. myrtle, grass, and cypress are also present but at lower levels.
When is pollen season in Nectar Brook?
How often is the Nectar Brook pollen forecast updated?
The Nectar Brook pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Nectar Brook 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 Nectar Brook 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 Nectar Brook, 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 pollen scores represent risk levels, not direct pollen measurements. Higher scores indicate higher risk.
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).
