Sterling pollen forecast - today, tomorrow and the week ahead
Today (9 August) pollen in Sterling is medium; mugwort and ragweed are medium; grass is low. Tomorrow (10 August 2026) levels are similar - grass remains low, ragweed remains medium, mugwort increasing. Over the following five days ragweed will increase; grass and mugwort will decrease. 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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Sterling sits on the South Platte River valley on Colorado's northeast plains, where the dominant vegetation is a mix of cottonwood along the river, shortgrass prairie, and farmland crops, shaping the local pollen profile across the seasons. None of this is unusual for a town with Sterling's particular mix of terrain and plant life. Residents who spend time outdoors around Sterling typically notice the shift as each season turns over.
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):
Low
11/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Medium
49/100
-
Ragweed (Ambrosia):
Medium
38/100
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):
Low
14/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
High
55/100
-
Ragweed (Ambrosia):
Medium
42/100
Air quality in Sterling
View air qualityFrequently Asked Questions
Is pollen high in Sterling right now?
On 9 August 2026, overall pollen levels in Sterling are moderate. Artemisia is the main contributor to airborne pollen, while ambrosia and grass remain at lower levels
Will pollen levels change in Sterling tomorrow?
On 10 August 2026, pollen conditions in Sterling will be different from today, with grass at low levels, ambrosia at medium levels and artemisia increasing
Is pollen expected to decrease in Sterling this week?
According to the five-day outlook, artemisia and grass pollen levels are expected to gradually decrease, while ambrosia pollen will increase, suggesting mixed conditions later in the week.
Which pollen types are currently active in Sterling?
On 9 August 2026, Artemisia is the dominant pollen source in Sterling. ambrosia and grass are also present but at lower levels. cypress are not currently active.
When is pollen season in Sterling?
How often is the Sterling pollen forecast updated?
The Sterling pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Sterling 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 Sterling 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 Sterling, 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: 9 August 2026 at 20:27 CEST (Data is updated four times daily.)
This page provides the latest public pollen forecast for Sterling.
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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.