Port Hedland pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Port Hedland is low; cypress is low.
Pollen Tomorrow
Tomorrow (21 September 2026) cypress remains low, acacia at low levels, eucalyptus 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 - 20 September
| Pollen species | Level | Value |
|---|---|---|
| Acacia (Acacia) | None | 0/100 |
| Cypress (Cupressaceae) | Low | 18/100 |
| Eucalyptus (Myrtaceae) | None | 0/100 |
| Grass (Poaceae) | None | 0/100 |
Tomorrow - 21 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | Low | 4/100 | |
| Cypress (Cupressaceae) | Low | 23/100 | |
| Eucalyptus (Myrtaceae) | Low | 4/100 | |
| Grass (Poaceae) | None | 0/100 |
Local Environmental Conditions
Around Port Hedland, spinifex grassland and low acacia scrub cover the drier ground, while mangroves line the tidal creeks and harbour that make this one of the world's largest bulk export ports. Vegetation is sparse and salt- and heat-tolerant, reflecting the harsh Pilbara coastal environment, with little tree cover beyond hardy natives and some planted greenery within the town itself.
Port Hedland's pollen season is subdued and irregular, in keeping with its hot, semi-arid Pilbara coastal climate. Native acacias, spinifex and hardy coastal shrubs flower mainly in response to rain, which is concentrated in the cyclone-affected wet season (roughly November to April) but can also fall unpredictably at other times. Pollen counts stay generally low year-round, with short-lived increases following rain rather than a defined spring peak.
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Frequently Asked Questions About Pollen in Western Australia
Is pollen high in Port Hedland right now?
On 20 September 2026, overall pollen levels in Port Hedland are low. Cypress is the main contributor to airborne pollen
Will pollen levels change in Port Hedland tomorrow?
On 21 September 2026, pollen conditions in Port Hedland will be different from today, with acacia at low levels, cypress at low levels, myrtle at low levels
Is pollen expected to decrease in Port Hedland 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 Port Hedland?
On 20 September 2026, Cypress is the dominant pollen source in Port Hedland. acacia, myrtle, and grass are not currently active.
When is pollen season in Port Hedland?
How often is the Port Hedland pollen forecast updated?
The Port Hedland pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Port Hedland 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 Hedland 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 Hedland, 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).
