Waterfall Gully pollen forecast — Second Falls neighborhood
Pollen Today
Today (20 September) pollen in Second Falls, Waterfall Gully is high; eucalyptus is high; acacia and cypress are moderate; grass is low.
Pollen Tomorrow
Tomorrow (21 September 2026) cypress declining, eucalyptus declining, acacia 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 - 20 September
| Pollen species | Level | Value |
|---|---|---|
| Acacia (Acacia) | Moderate | 34/100 |
| Cypress (Cupressaceae) | Moderate | 50/100 |
| Eucalyptus (Myrtaceae) | High | 57/100 |
| Grass (Poaceae) | Low | 10/100 |
Tomorrow - 21 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | None | 0/100 | |
| Cypress (Cupressaceae) | Low | 16/100 | |
| Eucalyptus (Myrtaceae) | Low | 23/100 | |
| Grass (Poaceae) | None | 0/100 |
Local Environmental Conditions
River oak crowds the water's edge here, a well-known contributor to local casuarina pollen counts; this sits within the neighborhood's edge. Woods composed largely of eucalypt with wattle at the margins, a combination tied to sharp late-winter pollen spikes, within the neighborhood. Surrounding neighborhoods with similar tree cover typically see a closely comparable pollen mix.
The water-adjacent river oak is an early riser, getting an early start, typically cresting between July and August. Eucalypt and wattle in the nearby woodland follow through late winter and early spring, typically the year's sharpest tree-pollen spell, centered on wattle's flowering in August and September. Grass pollen rises through spring toward a November high point, and remaining a significant allergen right through summer until it eases in February.
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Frequently Asked Questions About Pollen in South Australia
Is pollen high in Waterfall Gully right now?
On 20 September 2026, overall pollen levels in Waterfall Gully are high. Myrtle is the main contributor to airborne pollen, while acacia, cypress, and grass remain at lower levels
Will pollen levels change in Waterfall Gully tomorrow?
On 21 September 2026, pollen conditions in Waterfall Gully will be different from today, with cypress, myrtle continuing to decline
Is pollen expected to decrease in Waterfall Gully 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 Waterfall Gully?
On 20 September 2026, Myrtle is the dominant pollen source in Waterfall Gully. acacia, cypress, and grass are also present but at lower levels.
When is pollen season in Waterfall Gully?
How often is the Waterfall Gully pollen forecast updated?
The Waterfall Gully pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Waterfall Gully 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 Waterfall Gully 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 Waterfall Gully, 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).
