Chain Valley Bay pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (16 September) pollen in Chain Valley Bay is moderate; cypress is moderate; acacia and eucalyptus are low.
Pollen Tomorrow
Tomorrow (17 September 2026) cypress remains moderate, acacia increasing, eucalyptus increasing.
7-Day Trend
Over the next week grass will increase; acacia, cypress, and eucalyptus will decrease.
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Pollen Risk
Today - 16 September
| Pollen species | Level | Value |
|---|---|---|
| Acacia (Acacia) | Low | 11/100 |
| Cypress (Cupressaceae) | Moderate | 26/100 |
| Eucalyptus (Myrtaceae) | Low | 20/100 |
| Grass (Poaceae) | None | 0/100 |
Tomorrow - 17 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | Moderate | 30/100 | |
| Cypress (Cupressaceae) | Moderate | 46/100 | |
| Eucalyptus (Myrtaceae) | Moderate | 41/100 | |
| Grass (Poaceae) | None | 0/100 |
Local Environmental Conditions
Located just outside the immediate area, this area has woods composed largely of eucalypt with wattle at the margins, a combination tied to sharp late-winter pollen spikes. Nearby, close to home here, a green space of mown lawn and planted plane trees, both feeding into local pollen counts. Local microclimate and soil conditions can push these figures slightly higher or lower.
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, and remaining a significant allergen right through summer until it eases in February. Year-to-year timing varies a little, though the general sequence stays fairly consistent here.
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Pollen forecast neighborhoods 1 neighborhood
Frequently Asked Questions About Pollen in New South Wales
Is pollen high in Chain Valley Bay right now?
On 16 September 2026, overall pollen levels in Chain Valley Bay are moderate. Cypress is the main contributor to airborne pollen, while myrtle and acacia remain at lower levels
Will pollen levels change in Chain Valley Bay tomorrow?
On 17 September 2026, pollen conditions in Chain Valley Bay will be different from today, with cypress at moderate levels and myrtle, acacia increasing
Is pollen expected to decrease in Chain Valley Bay this week?
According to the five-day outlook, myrtle, acacia, and cypress pollen levels are expected to gradually decrease, while grass pollen will increase, suggesting mixed conditions later in the week.
Which pollen types are currently active in Chain Valley Bay?
On 16 September 2026, Cypress is the dominant pollen source in Chain Valley Bay. myrtle and acacia are also present but at lower levels. grass are not currently active.
When is pollen season in Chain Valley Bay?
How often is the Chain Valley Bay pollen forecast updated?
The Chain Valley Bay pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Chain Valley Bay 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 Chain Valley Bay 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 Chain Valley Bay, 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).
