Eastvale pollen forecast - today, tomorrow and the week ahead
Today (9 August) pollen in Eastvale is medium; ragweed is medium; cypress, grass, and mugwort are low. Tomorrow (10 August 2026) levels are similar - mugwort remains low, ragweed declining. Over the following five days cypress, 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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Eastvale's Inland Empire California setting features olive, citrus, and eucalyptus as the main tree pollen sources, with exposure varying between the limited green residential areas and the more built-up commercial and warehouse corridors. The Santa Ana River corridor provides the most significant local green space, while the flat, rapidly developing Inland Empire setting means less spatial variation in pollen exposure than in more established Southern California cities.
Today - 9 August
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
Low
2/100
-
Grass (Poaceae):
Low
4/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Low
23/100
-
Ragweed (Ambrosia):
Medium
29/100
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):
None
0/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Low
16/100
-
Ragweed (Ambrosia):
Low
23/100
Air quality in Eastvale
View air qualityFrequently Asked Questions
Is pollen high in Eastvale right now?
On 9 August 2026, overall pollen levels in Eastvale are moderate. Ambrosia is the main contributor to airborne pollen, while artemisia, cypress, and grass remain at lower levels
Will pollen levels change in Eastvale tomorrow?
On 10 August 2026, pollen conditions in Eastvale will be different from today, with artemisia at low levels and ambrosia continuing to decline
Is pollen expected to decrease in Eastvale this week?
According to the five-day outlook, artemisia, cypress, grass, and ambrosia pollen levels will increase later in the week.
Which pollen types are currently active in Eastvale?
On 9 August 2026, Ambrosia is the dominant pollen source in Eastvale. artemisia, cypress, and grass are also present but at lower levels.
When is pollen season in Eastvale?
How often is the Eastvale pollen forecast updated?
The Eastvale pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Eastvale 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 Eastvale 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 Eastvale, 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 Eastvale.
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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.