York pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in York is moderate; acacia is moderate; cypress, eucalyptus, and grass are low.
Pollen Tomorrow
Tomorrow (21 September 2026) eucalyptus remains low, acacia increasing, cypress increasing, grass increasing.
7-Day Trend
Over the next week acacia, cypress, eucalyptus, and grass will decrease.
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Pollen Risk
Today - 20 September
| Pollen species | Level | Value |
|---|---|---|
| Acacia (Acacia) | Moderate | 34/100 |
| Cypress (Cupressaceae) | Low | 21/100 |
| Eucalyptus (Myrtaceae) | Low | 3/100 |
| Grass (Poaceae) | Low | 8/100 |
Tomorrow - 21 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | High | 51/100 | |
| Cypress (Cupressaceae) | Moderate | 37/100 | |
| Eucalyptus (Myrtaceae) | Low | 20/100 | |
| Grass (Poaceae) | Moderate | 26/100 |
Local Environmental Conditions
York, in Western Australia's wheatbelt, sits amid cleared farmland once covered by wandoo and salmon gum woodland, remnants of which still line travelling stock routes and rocky outcrops. Wheat and canola crops dominate the landscape, and York gum survives along watercourses. Wattle flowers heavily on woodland remnants in late winter, a strong early pollen signal ahead of the canola bloom. The historic town retains some mature exotic street plantings from its colonial-era settlement.
York, Western Australia's oldest inland town, sits at the edge of the wheatbelt and follows the Mediterranean southwest pattern of a concentrated spring pollen season. Wattle and eucalypt flower from August, and grass pollen from surrounding cropping and grazing paddocks peaks through September-October before the hot, dry summer suppresses activity. The Avon Valley's slightly cooler microclimate can hold the season a little later than the open wheatbelt further east.
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Frequently Asked Questions About Pollen in Western Australia
Is pollen high in York right now?
On 20 September 2026, overall pollen levels in York are moderate. Acacia is the main contributor to airborne pollen, while cypress, myrtle, and grass remain at lower levels
Will pollen levels change in York tomorrow?
On 21 September 2026, pollen conditions in York will be different from today, with myrtle at low levels and acacia, cypress, grass increasing
Is pollen expected to decrease in York this week?
According to the five-day outlook, acacia, cypress, myrtle, and grass pollen levels are expected to gradually decrease, suggesting improving conditions later in the week.
Which pollen types are currently active in York?
On 20 September 2026, Acacia is the dominant pollen source in York. cypress, myrtle, and grass are also present but at lower levels.
When is pollen season in York?
How often is the York pollen forecast updated?
The York pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in York 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 York 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 York, 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).
