Virginia pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Virginia is low; cypress, eucalyptus, mugwort, mulberry, plane, and nettle are low.
Pollen Tomorrow
Tomorrow (21 September 2026) levels are similar to today.
7-Day Trend
Over the next week cypress, eucalyptus, mugwort, mulberry, plane, and nettle will decrease; grass and oak will remain stable.
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Features and forecast availability vary by region.
Pollen Risk
Today - 20 September
| Pollen species | Level | Value |
|---|---|---|
| Alder (Alnus) | None | 0/100 |
| Birch (Betula) | None | 0/100 |
| Hazel (Corylus) | None | 0/100 |
| Cypress (Cupressaceae) | Low | 18/100 |
| Eucalyptus (Myrtaceae) | Low | 11/100 |
| Grass (Poaceae) | None | 0/100 |
| Oak (Quercus) | None | 0/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | Low | 18/100 |
| Mulberry (Morus) | Low | 16/100 |
| Plane (Platanus) | Low | 11/100 |
| Nettle (Urtica) | Low | 5/100 |
Tomorrow - 21 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Alder (Alnus) | None | 0/100 | — |
| Birch (Betula) | None | 0/100 | — |
| Hazel (Corylus) | None | 0/100 | — |
| Cypress (Cupressaceae) | Low | 24/100 | |
| Eucalyptus (Myrtaceae) | Low | 16/100 | |
| Grass (Poaceae) | None | 0/100 | |
| Oak (Quercus) | None | 0/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | Low | 24/100 | |
| Mulberry (Morus) | Low | 22/100 | |
| Plane (Platanus) | Low | 16/100 | |
| Nettle (Urtica) | Low | 9/100 |
Local Environmental Conditions
Virginia's Free State Highveld gold mining setting features acacia, eucalyptus, and Highveld grassland as the main pollen sources, with exposure varying between the limited residential green spaces and the more built-up mining, commercial, and industrial corridors. The Sand River corridor provides locally significant green space, while the surrounding Highveld grassland contributes substantial grass pollen and the gold mining landscape limits native vegetation considerably throughout the area.
Virginia's Free State Highveld gold mining season opens in August with acacia and eucalyptus before grass from surrounding Highveld grassland peaks through November and December. The Sand River corridor contributes locally significant riparian pollen, while the dry Highveld winter suppresses most pollen production and the summer rainfall pattern concentrates the main season in spring and early summer throughout this Free State gold mining town.
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Frequently Asked Questions About Pollen in Free State
Is pollen high in Virginia right now?
On 20 September 2026, overall pollen levels in Virginia are low. Platanus is the main contributor to airborne pollen, while urtica, artemisia, cypress, morus, and myrtle remain at lower levels
Will pollen levels change in Virginia tomorrow?
On 21 September 2026, pollen conditions in Virginia will be similar to today, with platanus at low levels, urtica at low levels, artemisia at low levels, cypress at low levels, morus at low levels, myrtle at low levels
Is pollen expected to decrease in Virginia this week?
According to the five-day outlook, platanus, urtica, artemisia, cypress, morus, and myrtle pollen levels are expected to gradually decrease, suggesting improving conditions later in the week.
Which pollen types are currently active in Virginia?
On 20 September 2026, Platanus is the dominant pollen source in Virginia. urtica, artemisia, cypress, morus, and myrtle are also present but at lower levels. grass and oak are not currently active.
When is pollen season in Virginia?
How often is the Virginia pollen forecast updated?
The Virginia pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Virginia 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 Virginia 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 Virginia, 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. |
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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).
