Yakima pollen forecast - today, tomorrow and the week ahead
Today (9 August) pollen in Yakima is low; mugwort and ragweed are low. Tomorrow (10 August 2026) levels are similar - ragweed remains low, mugwort increasing, grass at low levels. 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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Yakima's parks, including Yakima Greenway and the Yakima River corridor, feature cottonwood, ash, and sage as the main pollen sources, with exposure varying between the riverside green areas and the more built-up city centre. Surrounding Yakima Valley orchards and farmland contribute substantial grass and crop pollen, while the enclosed valley setting concentrates pollen under prevailing westerly winds channelled through the Yakima canyon.
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):
None
0/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Low
17/100
-
Ragweed (Ambrosia):
Low
10/100
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
2/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Medium
30/100
-
Ragweed (Ambrosia):
Low
24/100
Air quality in Yakima
View air qualityFrequently Asked Questions
Is pollen high in Yakima right now?
On 9 August 2026, overall pollen levels in Yakima are low. Ambrosia is the main contributor to airborne pollen, while artemisia remain at lower levels
Will pollen levels change in Yakima tomorrow?
On 10 August 2026, pollen conditions in Yakima will be different from today, with ambrosia at low levels, grass at low levels and artemisia increasing
Is pollen expected to decrease in Yakima this week?
According to the five-day outlook, ambrosia, artemisia, and grass pollen levels will increase later in the week.
Which pollen types are currently active in Yakima?
On 9 August 2026, Ambrosia is the dominant pollen source in Yakima. artemisia are also present but at lower levels. cypress and grass are not currently active.
When is pollen season in Yakima?
How often is the Yakima pollen forecast updated?
The Yakima pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Yakima 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 Yakima 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 Yakima, 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 Yakima.
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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.