Merrigum pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (16 September) pollen in Merrigum is low; acacia, cypress, eucalyptus, and grass are low.
Pollen Tomorrow
Tomorrow (17 September 2026) levels are similar to today.
7-Day Trend
Over the next week acacia, cypress, eucalyptus, and grass will decrease.
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Features and forecast availability vary by region.
Pollen Risk
Today - 16 September
| Pollen species | Level | Value |
|---|---|---|
| Acacia (Acacia) | Low | 15/100 |
| Cypress (Cupressaceae) | Low | 16/100 |
| Eucalyptus (Myrtaceae) | Low | 9/100 |
| Grass (Poaceae) | Low | 9/100 |
Tomorrow - 17 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Acacia (Acacia) | Low | 23/100 | |
| Cypress (Cupressaceae) | Low | 24/100 | |
| Eucalyptus (Myrtaceae) | Low | 18/100 | |
| Grass (Poaceae) | Low | 17/100 |
Local Environmental Conditions
Nearby, a short distance from here, a stand of river oak lines the water, a reliable source of casuarina pollen through the warmer months. Nearby weather stations report comparable trends across the broader stretch of the region. Small shifts in elevation or soil type can move these figures a little either way.
River oak near the water opens the pollen calendar early, building through the depths of winter into September. By late spring, grass pollen is climbing steadily toward a November high point, and remaining a significant allergen right through summer until it eases in February. Warmer or wetter years can pull these peaks a week or two earlier or later.
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Sports venues in Merrigum 1 sports venue
Frequently Asked Questions About Pollen in Victoria
Is pollen high in Merrigum right now?
On 16 September 2026, overall pollen levels in Merrigum are low. Acacia is the main contributor to airborne pollen, while cypress, myrtle, and grass remain at lower levels
Will pollen levels change in Merrigum tomorrow?
On 17 September 2026, pollen conditions in Merrigum will be similar to today, with acacia at low levels, cypress at low levels, myrtle at low levels, grass at low levels
Is pollen expected to decrease in Merrigum 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 Merrigum?
On 16 September 2026, Acacia is the dominant pollen source in Merrigum. cypress, myrtle, and grass are also present but at lower levels.
When is pollen season in Merrigum?
How often is the Merrigum pollen forecast updated?
The Merrigum pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Merrigum 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 Merrigum 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 Merrigum, 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).
