Byron Shire Council pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Byron Shire Council is moderate; cypress is moderate; acacia and eucalyptus are low.
Pollen Tomorrow
Tomorrow (21 September 2026) levels are similar to today.
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) | Low | 15/100 |
| Cypress (Cupressaceae) | Moderate | 48/100 |
| Eucalyptus (Myrtaceae) | Low | 18/100 |
| Grass (Poaceae) | None | 0/100 |
Tomorrow - 21 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | Low | 17/100 | |
| Cypress (Cupressaceae) | Moderate | 50/100 | |
| Eucalyptus (Myrtaceae) | Low | 20/100 | |
| Grass (Poaceae) | None | 0/100 |
Local Environmental Conditions
This area lacks mapped woodland or water close at hand, leaving grass and plantain and weed along open ground as the probable main sources. Actual counts still shift year to year with temperature, rainfall, and prevailing wind. Local readings for the surrounding area tend to follow this same general pattern.
In Byron Shire Council, temperatures climbing to 19.8°C by September likely mark the start of the main pollen release, with humidity around 73% helping keep counts airborne. Warmer conditions by December (24.1°C, 78% humidity) sustain grass pollen through the season, before rainfall of 225mm in March and cooling toward 18.6°C in June bring the season to a close.
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Frequently Asked Questions About Pollen in New South Wales
Is pollen high in Byron Shire Council right now?
On 20 September 2026, overall pollen levels in Byron Shire Council are moderate. Cypress is the main contributor to airborne pollen, while acacia and myrtle remain at lower levels
Will pollen levels change in Byron Shire Council tomorrow?
On 21 September 2026, pollen conditions in Byron Shire Council will be similar to today, with acacia at low levels, cypress at moderate levels, myrtle at low levels
Is pollen expected to decrease in Byron Shire Council 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 Byron Shire Council?
On 20 September 2026, Cypress is the dominant pollen source in Byron Shire Council. acacia and myrtle are also present but at lower levels. grass are not currently active.
When is pollen season in Byron Shire Council?
How often is the Byron Shire Council pollen forecast updated?
The Byron Shire Council pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Byron Shire Council 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 Byron Shire Council 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 Byron Shire Council, 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).
