Brown Hill Creek pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Brown Hill Creek is high; cypress and eucalyptus are high; acacia is moderate; grass is low.
Pollen Tomorrow
Tomorrow (21 September 2026) acacia declining, cypress declining, eucalyptus declining, 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 - 20 September
| Pollen species | Level | Value |
|---|---|---|
| Acacia (Acacia) | Moderate | 47/100 |
| Cypress (Cupressaceae) | High | 53/100 |
| Eucalyptus (Myrtaceae) | High | 55/100 |
| Grass (Poaceae) | Low | 10/100 |
Tomorrow - 21 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | Low | 13/100 | |
| Cypress (Cupressaceae) | Low | 19/100 | |
| Eucalyptus (Myrtaceae) | Low | 22/100 | |
| Grass (Poaceae) | None | 0/100 |
Local Environmental Conditions
Nearby, just outside the immediate area, river oak lines the bank, contributing some of the season's more persistent wind-borne pollen. Nearby, in the surrounding area, forest where eucalypt and wattle share the canopy and margins, wattle driving most of the seasonal pollen spike. The broader area tends to mirror this pattern, with only minor local variation.
Along the waterway, river oak releases pollen first, peaking in mid-winter through September. Eucalypt and wattle in the nearby woodland follow through late winter and early spring, peaking as wattle comes into full flower, generally August into September. Spring brings rising grass pollen that crests in November, then persisting at a reduced but still meaningful level into the new year.
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Frequently Asked Questions About Pollen in South Australia
Is pollen high in Brown Hill Creek right now?
On 20 September 2026, overall pollen levels in Brown Hill Creek are high. Cypress is the main contributor to airborne pollen, while myrtle, acacia, and grass remain at lower levels
Will pollen levels change in Brown Hill Creek tomorrow?
On 21 September 2026, pollen conditions in Brown Hill Creek will be different from today, with acacia, cypress, myrtle continuing to decline
Is pollen expected to decrease in Brown Hill Creek this week?
According to the five-day outlook, acacia, cypress, myrtle, and grass pollen levels will increase later in the week.
Which pollen types are currently active in Brown Hill Creek?
On 20 September 2026, Cypress is the dominant pollen source in Brown Hill Creek. myrtle, acacia, and grass are also present but at lower levels.
When is pollen season in Brown Hill Creek?
How often is the Brown Hill Creek pollen forecast updated?
The Brown Hill Creek pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Brown Hill Creek 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 Brown Hill Creek 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 Brown Hill Creek, 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).
