Herriman pollen forecast - today, tomorrow and the week ahead
Today (9 August) pollen in Herriman is medium; grass and ragweed are medium; mugwort is low. Tomorrow (10 August 2026) levels are similar. Over the following five days grass, mugwort, and ragweed will increase. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Herriman's Salt Lake Valley Utah setting features cottonwood, Gambel oak, and mountain mahogany as the main pollen sources, with exposure varying between the Oquirrh Mountain foothills residential areas and the more built-up commercial corridors along Mountain View Corridor Highway. The Oquirrh Mountain backdrop creates distinct mountain-valley pollen gradients, while the Butterfield Canyon creek corridor provides locally significant green space and the rapid development of former agricultural land is changing local pollen dynamics significantly.
Today - 9 August
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
None
0/100
-
Grass (Poaceae):
Medium
44/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Low
17/100
-
Ragweed (Ambrosia):
Medium
31/100
High pollen levels may trigger sneezing, itchy eyes, and congestion. Airmine's neighbourhood estimates use satellites to map local vegetation and a statistical prediction model, updated four times daily.
Tomorrow - 10 August
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
None
0/100
-
Grass (Poaceae):
Medium
50/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Low
22/100
-
Ragweed (Ambrosia):
Medium
38/100
Air quality in Herriman
View air qualityFrequently Asked Questions
Is pollen high in Herriman right now?
On 9 August 2026, overall pollen levels in Herriman are moderate. Grass is the main contributor to airborne pollen, while ambrosia and artemisia remain at lower levels
Will pollen levels change in Herriman tomorrow?
On 10 August 2026, pollen conditions in Herriman will be similar to today, with grass at medium levels, ambrosia at medium levels, artemisia at low levels
Is pollen expected to decrease in Herriman this week?
According to the five-day outlook, grass, ambrosia, and artemisia pollen levels will increase later in the week.
Which pollen types are currently active in Herriman?
On 9 August 2026, Grass is the dominant pollen source in Herriman. ambrosia and artemisia are also present but at lower levels. cypress are not currently active.
When is pollen season in Herriman?
How often is the Herriman pollen forecast updated?
The Herriman pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Herriman 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 Herriman 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 Herriman, 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.
Want to see pollen forecasts for other cities in United States?
Check pollen in other popular cities:
Data provided by Airmine — Last update: 10 August 2026 at 02:34 CEST (Data is updated four times daily.)
This page provides the latest public pollen forecast for Herriman.
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Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.