Rocky Mount pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Rocky Mount is high; grass and ragweed are high; mugwort is low.
Pollen Tomorrow
Tomorrow (21 September 2026) levels are similar to today.
7-Day Trend
Over the next week grass and ragweed will increase; mugwort will decrease.
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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) | None | 0/100 |
| Grass (Poaceae) | High | 52/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | Low | 9/100 |
| Ragweed (Ambrosia) | High | 66/100 |
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) | None | 0/100 | — |
| Grass (Poaceae) | High | 57/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | Low | 13/100 | |
| Ragweed (Ambrosia) | High | 70/100 |
Local Environmental Conditions
Rocky Mount's Nash and Edgecombe County North Carolina Coastal Plain setting features longleaf pine, white oak, and sweetgum as the main tree pollen sources, with exposure varying between the wooded residential neighborhoods and the more built-up commercial corridors along US 64. The Tar River corridor is a particularly significant local source, while the surrounding North Carolina Coastal Plain pine-oak woodland contributes substantial regional tree pollen and the flat coastal plain allows wide grass pollen dispersal.
Rocky Mount's eastern North Carolina setting produces a season opening in late January with pine and cedar before oak peaks through March and April. Grass from surrounding North Carolina Coastal Plain farmland peaks through April and May before mugwort and nettle extend exposure into September. The Tar River valley channels airflows, while the warm Southeast coastal plain climate advances the season compared to more northern cities throughout.
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Frequently Asked Questions About Pollen in North Carolina
Is pollen high in Rocky Mount right now?
On 20 September 2026, overall pollen levels in Rocky Mount are high. Ambrosia is the main contributor to airborne pollen, while grass and artemisia remain at lower levels
Will pollen levels change in Rocky Mount tomorrow?
On 21 September 2026, pollen conditions in Rocky Mount will be similar to today, with ambrosia at high levels, artemisia at low levels, grass at high levels
Is pollen expected to decrease in Rocky Mount this week?
According to the five-day outlook, artemisia pollen levels are expected to gradually decrease, while ambrosia and grass pollen will increase, suggesting mixed conditions later in the week.
Which pollen types are currently active in Rocky Mount?
On 20 September 2026, Ambrosia is the dominant pollen source in Rocky Mount. grass and artemisia are also present but at lower levels.
When is pollen season in Rocky Mount?
How often is the Rocky Mount pollen forecast updated?
The Rocky Mount pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Rocky Mount 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 Rocky Mount 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 Rocky Mount, 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).
