Port Pirie pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Port Pirie is high; cypress is high; acacia and eucalyptus are 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 | 48/100 |
| Cypress (Cupressaceae) | High | 63/100 |
| Eucalyptus (Myrtaceae) | Moderate | 34/100 |
| Grass (Poaceae) | Low | 10/100 |
Tomorrow - 21 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | Low | 14/100 | |
| Cypress (Cupressaceae) | Moderate | 29/100 | |
| Eucalyptus (Myrtaceae) | Low | 1/100 | |
| Grass (Poaceae) | None | 0/100 |
Local Environmental Conditions
The country around Port Pirie is characterised by saltbush and chenopod shrubland typical of upper Spencer Gulf, with mangrove-fringed mudflats along parts of the coast. As a long-established industrial port town, much of the immediate area is developed or disturbed, with native shrubland vegetation more prominent on the surrounding plains than within the town itself.
Port Pirie's pollen season runs roughly August to November, typical of South Australia's Mediterranean climate, with chenopod shrubs, saltbush and grasses on the surrounding plains flowering through late winter and spring before the hot, dry summer suppresses activity. Being on the drier, more arid-adjacent side of the Mediterranean zone, the season here is generally lighter than in higher-rainfall parts of the state.
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Frequently Asked Questions About Pollen in South Australia
Is pollen high in Port Pirie right now?
On 20 September 2026, overall pollen levels in Port Pirie are high. Cypress is the main contributor to airborne pollen, while acacia, myrtle, and grass remain at lower levels
Will pollen levels change in Port Pirie tomorrow?
On 21 September 2026, pollen conditions in Port Pirie will be different from today, with acacia, cypress, myrtle continuing to decline
Is pollen expected to decrease in Port Pirie 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 Port Pirie?
On 20 September 2026, Cypress is the dominant pollen source in Port Pirie. acacia, myrtle, and grass are also present but at lower levels.
When is pollen season in Port Pirie?
How often is the Port Pirie pollen forecast updated?
The Port Pirie pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Port Pirie 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 Port Pirie 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 Port Pirie, 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).
