Muswellbrook pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Muswellbrook is high; cypress is high; acacia is moderate; eucalyptus is low.
Pollen Tomorrow
Tomorrow (21 September 2026) acacia remains moderate, eucalyptus remains low, cypress declining.
7-Day Trend
Over the next week acacia, cypress, and eucalyptus will increase; grass will remain stable.
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Pollen Risk
Today - 20 September
| Pollen species | Level | Value |
|---|---|---|
| Acacia (Acacia) | Moderate | 44/100 |
| Cypress (Cupressaceae) | High | 58/100 |
| Eucalyptus (Myrtaceae) | Low | 25/100 |
| Grass (Poaceae) | None | 0/100 |
Tomorrow - 21 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | Moderate | 31/100 | |
| Cypress (Cupressaceae) | Moderate | 45/100 | |
| Eucalyptus (Myrtaceae) | Low | 12/100 | |
| Grass (Poaceae) | None | 0/100 |
Local Environmental Conditions
Muswellbrook's Upper Hunter Valley setting combines open-cut coal mining landscapes with grazing pasture and the horse-breeding studs the region is famous for, alongside nearby Hunter Valley vineyards. Remnant eucalypt woodland persists on surrounding ridgelines and along the Hunter River, with wattle and native shrubs in reserves. Introduced pasture grasses dominate cleared valley floor land, giving Muswellbrook a pollen calendar shaped by grazing country as much as native vegetation.
Muswellbrook sits in the Upper Hunter Valley, a region known for both coal mining and horse breeding, and its pollen season follows the broader Hunter pattern. Eucalypt and wattle pollen build from August, with grasses across surrounding grazing and vineyard country peaking October to December. The valley's coal mining activity adds a distinct dust dimension to the air alongside pollen, and spring thunderstorms crossing the Hunter carry the same asthma-trigger risk seen across the broader temperate southeast.
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Pollen forecast neighborhoods 1 neighborhood
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Frequently Asked Questions About Pollen in New South Wales
Is pollen high in Muswellbrook right now?
On 20 September 2026, overall pollen levels in Muswellbrook are high. Cypress is the main contributor to airborne pollen, while acacia and myrtle remain at lower levels
Will pollen levels change in Muswellbrook tomorrow?
On 21 September 2026, pollen conditions in Muswellbrook will be different from today, with acacia at moderate levels, myrtle at low levels and cypress continuing to decline
Is pollen expected to decrease in Muswellbrook this week?
According to the five-day outlook, acacia, cypress, and myrtle pollen levels will increase later in the week.
Which pollen types are currently active in Muswellbrook?
On 20 September 2026, Cypress is the dominant pollen source in Muswellbrook. acacia and myrtle are also present but at lower levels. grass are not currently active.
When is pollen season in Muswellbrook?
How often is the Muswellbrook pollen forecast updated?
The Muswellbrook pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Muswellbrook 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 Muswellbrook 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 Muswellbrook, 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).
