Fountain Valley pollen forecast - today, tomorrow and the week ahead
Today (9 August) pollen in Fountain Valley is medium; mugwort and ragweed are medium; cypress and grass are low. Tomorrow (10 August 2026) levels are similar. Over the following five days grass, mugwort, and ragweed will increase; cypress 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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Fountain Valley's Orange County California coastal setting features olive, Canary Island pine, and Monterey cypress as the main tree pollen sources, with exposure varying between the greener residential neighborhoods and the more built-up commercial corridors along Brookhurst Street. The Santa Ana River Regional Park corridor provides locally significant green space, while the strong Pacific marine influence moderates temperatures year-round and onshore ocean breezes frequently disperse pollen across this coastal Orange County community.
Today - 9 August
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
Low
3/100
-
Grass (Poaceae):
Low
10/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Medium
31/100
-
Ragweed (Ambrosia):
Medium
34/100
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):
Low
1/100
-
Grass (Poaceae):
Low
9/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Medium
29/100
-
Ragweed (Ambrosia):
Medium
34/100
Air quality in Fountain Valley
View air qualityFrequently Asked Questions
Is pollen high in Fountain Valley right now?
On 9 August 2026, overall pollen levels in Fountain Valley are moderate. Ambrosia is the main contributor to airborne pollen, while artemisia, cypress, and grass remain at lower levels
Will pollen levels change in Fountain Valley tomorrow?
On 10 August 2026, pollen conditions in Fountain Valley will be similar to today, with cypress at low levels, grass at low levels, ambrosia at medium levels, artemisia at medium levels
Is pollen expected to decrease in Fountain Valley this week?
According to the five-day outlook, cypress pollen levels are expected to gradually decrease, while grass, ambrosia, and artemisia pollen will increase, suggesting mixed conditions later in the week.
Which pollen types are currently active in Fountain Valley?
On 9 August 2026, Ambrosia is the dominant pollen source in Fountain Valley. artemisia, cypress, and grass are also present but at lower levels.
When is pollen season in Fountain Valley?
How often is the Fountain Valley pollen forecast updated?
The Fountain Valley pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Fountain Valley 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 Fountain Valley 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 Fountain Valley, 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 Fountain Valley.
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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.