Hill River Pollen Forecast - Today, Tomorrow and the Week Ahead
Pollen Today
Today (10 October) pollen in Hill River is high; acacia is high; grass, mold (alternaria), and mold (cladosporium) are moderate; cypress and eucalyptus are low.
Pollen Tomorrow
Tomorrow (11 October 2026) acacia remains high, cypress remains low, grass remains moderate, mold (alternaria) remains moderate, mold (cladosporium) remains moderate, eucalyptus no longer expected.
7-Day Trend
Over the next week cypress, eucalyptus, grass, mold (alternaria), and mold (cladosporium) will increase; acacia will decrease.
Explore Forecasts
Air Quality & Mold
Pollen for Neighborhoods
Air Quality in Other Cities
Get More in Our App
Local pollen and air quality forecasts, interactive pollen maps and route profiles
Features and forecast availability vary by region.
Pollen Risk
Today - 10 October
| Pollen species | Level | Value |
|---|---|---|
| Acacia (Acacia) | High | 62/100 |
| Cypress (Cupressaceae) | Low | 23/100 |
| Eucalyptus (Myrtaceae) | Low | 4/100 |
| Grass (Poaceae) | Moderate | 39/100 |
| Mold (Alternaria) | Moderate | 26/100 |
| Mold (Cladosporium) | Moderate | 39/100 |
Tomorrow - 11 October
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | High | 59/100 | |
| Cypress (Cupressaceae) | Low | 19/100 | |
| Eucalyptus (Myrtaceae) | None | 0/100 | |
| Grass (Poaceae) | Moderate | 38/100 | |
| Mold (Alternaria) | Moderate | 29/100 | |
| Mold (Cladosporium) | Moderate | 38/100 |
Local Environmental Conditions
Around 40% of the area near Hill River is open grassland, with a good deal of farmland and some woodland. The damp ground beside running water nearby supports trees, shrubs and reeds, adding to local pollen. Around here, the woodland makes trees an important source; open grassland and farmland add grass and weed pollen.
Flowering trees bring the first pollen of the year in early spring. Grass pollen follows, peaking in mid-spring and easing off by mid-fall. A smaller weed peak follows from early summer into early fall. Winter is the wettest time of year, and heavy showers can bring short breaks in pollen.
Get pollen & AQ on Strava
Follow your environmental exposure and performance with the free Airmine-Strava integration. See your pollen and air quality exposure for every Strava activity.
Resource Hub
Pollen forecast neighborhoods 7 neighborhoods
Frequently Asked Questions About Pollen in Western Australia
Is pollen high in Hill River right now?
On 10 October 2026, overall pollen levels in Hill River are high. Acacia is the main contributor to airborne pollen, while grass, cypress, and myrtle remain at lower levels
Will pollen levels change in Hill River tomorrow?
On 11 October 2026, pollen conditions in Hill River will be different from today, with acacia at high levels, cypress at low levels, grass at moderate levels
Is pollen expected to decrease in Hill River this week?
According to the five-day outlook, acacia pollen levels are expected to gradually decrease, while cypress, myrtle, and grass pollen will increase, suggesting mixed conditions later in the week.
Which pollen types are currently active in Hill River?
On 10 October 2026, Acacia is the dominant pollen source in Hill River. grass, cypress, and myrtle are also present but at lower levels.
When is pollen season in Hill River?
How often is the Hill River pollen forecast updated?
The Hill River pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Hill River 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 Hill River 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 Hill River, 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).
