Winnemucca pollen forecast — Downtown Winnemucca neighborhood
Pollen Today
Today (20 September) pollen in Downtown Winnemucca, Winnemucca is high; ragweed is high; mugwort is moderate; grass is low.
Pollen Tomorrow
Tomorrow (21 September 2026) levels are similar to today.
7-Day Trend
Over the next week grass, mugwort, and ragweed 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) | Low | 24/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | Moderate | 36/100 |
| Ragweed (Ambrosia) | High | 70/100 |
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) | Low | 23/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | Moderate | 35/100 | |
| Ragweed (Ambrosia) | High | 70/100 |
Local Environmental Conditions
Downtown Winnemucca occupies the city's compact historic downtown along the Humboldt River, and its plant life mirrors the rest of Winnemucca, so seasonal pollen sources here match the broader regional pattern. Exposure here depends mainly on how much tree and lawn cover surrounds the immediate site.
Downtown Winnemucca follows Winnemucca's established pollen calendar, beginning with palo verde and mesquite from January before mulberry takes over and peaks through February. A grass pollen peak follows through March and April; monsoon moisture from July through September brings a brief second wave of grass and weed pollen. Dry desert air lets pollen travel widely once released, with the spring peak the most intense stretch, a pattern felt across this part of Winnemucca.
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Frequently Asked Questions About Pollen in Nevada
Is pollen high in Winnemucca right now?
On 20 September 2026, overall pollen levels in Winnemucca are high. Ambrosia is the main contributor to airborne pollen, while artemisia and grass remain at lower levels
Will pollen levels change in Winnemucca tomorrow?
On 21 September 2026, pollen conditions in Winnemucca will be similar to today, with ambrosia at high levels, artemisia at moderate levels, grass at low levels
Is pollen expected to decrease in Winnemucca this week?
According to the five-day outlook, ambrosia, artemisia, and grass pollen levels are expected to gradually decrease, suggesting improving conditions later in the week.
Which pollen types are currently active in Winnemucca?
On 20 September 2026, Ambrosia is the dominant pollen source in Winnemucca. artemisia and grass are also present but at lower levels.
When is pollen season in Winnemucca?
How often is the Winnemucca pollen forecast updated?
The Winnemucca pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Winnemucca 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 Winnemucca 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 Winnemucca, 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).
