Cecil Hills pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Cecil Hills is high; acacia and cypress are high; eucalyptus is moderate.
Pollen Tomorrow
Tomorrow (21 September 2026) acacia declining, cypress declining, eucalyptus 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) | High | 68/100 |
| Cypress (Cupressaceae) | High | 53/100 |
| Eucalyptus (Myrtaceae) | Moderate | 29/100 |
| Grass (Poaceae) | None | 0/100 |
Tomorrow - 21 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | Moderate | 42/100 | |
| Cypress (Cupressaceae) | Moderate | 26/100 | |
| Eucalyptus (Myrtaceae) | Low | 3/100 | |
| Grass (Poaceae) | None | 0/100 |
Local Environmental Conditions
Here, within the local area, river oak lines the bank, contributing some of the season's more persistent wind-borne pollen. Nearby, in the vicinity, a stand of eucalypt with wattle through the understorey, wattle ranked among the region's sharpest allergens. Located near this part of town, this area has a park where mown turf grass and ornamental plane trees add to local grass and tree pollen.
The waterside river oak is consistently first to release pollen each year, topping out well before most other trees start releasing pollen, around July and August. By late winter, eucalypt and wattle in the woods take over, typically the year's sharpest tree-pollen spell, centered on wattle's flowering in August and September. Grass pollen builds through spring and peaks in November, before staying elevated through the summer months into late January.
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Pollen forecast neighborhoods 1 neighborhood
Frequently Asked Questions About Pollen in New South Wales
Is pollen high in Cecil Hills right now?
On 20 September 2026, overall pollen levels in Cecil Hills are high. Acacia is the main contributor to airborne pollen, while cypress and myrtle remain at lower levels
Will pollen levels change in Cecil Hills tomorrow?
On 21 September 2026, pollen conditions in Cecil Hills will be different from today, with acacia, cypress, myrtle continuing to decline
Is pollen expected to decrease in Cecil Hills 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 Cecil Hills?
On 20 September 2026, Acacia is the dominant pollen source in Cecil Hills. cypress and myrtle are also present but at lower levels. grass are not currently active.
When is pollen season in Cecil Hills?
How often is the Cecil Hills pollen forecast updated?
The Cecil Hills pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Cecil Hills 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 Cecil Hills 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 Cecil Hills, 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).
