Huntington Beach Pollen Forecast - Today, Tomorrow and the Week Ahead
Pollen Today
Today (11 October) pollen in Huntington Beach is moderate; ragweed is moderate; grass, mold (alternaria), and mold (cladosporium) are low.
Pollen Tomorrow
Tomorrow (12 October 2026) ragweed remains moderate, mold (alternaria) remains low, mold (cladosporium) remains low, grass no longer expected.
7-Day Trend
Over the next week grass, mugwort, ragweed, mold (alternaria), and mold (cladosporium) will increase.
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Pollen Risk
Today - 11 October
| Pollen species | Level | Value |
|---|---|---|
| Alder (Alnus) | None | 0/100 |
| Birch (Betula) | None | 0/100 |
| Hazel (Corylus) | None | 0/100 |
| Cypress (Cupressaceae) | None | 0/100 |
| Grass (Poaceae) | Low | 8/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | None | 0/100 |
| Ragweed (Ambrosia) | Moderate | 50/100 |
| Mold (Alternaria) | Low | 18/100 |
| Mold (Cladosporium) | Low | 20/100 |
Tomorrow - 12 October
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| 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) | None | 0/100 | |
| Ragweed (Ambrosia) | Moderate | 39/100 | |
| Mold (Alternaria) | Low | 14/100 | |
| Mold (Cladosporium) | Low | 22/100 |
Local Environmental Conditions
Huntington Beach is surrounded mainly by built-up land, with some open grassland and woodland. The allergenic tree mix nearby includes willow. Grasses also feature strongly, alongside pigweed and ragweed among the weeds. Ragweed is unusually common here compared with most other locations, making it a particularly important local pollen source.
Tree pollen peaks in late spring, when the weather warms to around 15°C and willow is in full flower. Grasses take over in early summer and keep pollen in the air into mid-fall. The most intense period comes from early summer into early fall, when pigweed and ragweed are in flower. Rain is heaviest in winter, often giving short breaks from high pollen levels.
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Frequently Asked Questions About Pollen in California
Is pollen high in Huntington Beach right now?
On 11 October 2026, overall pollen levels in Huntington Beach are moderate. Ambrosia is the main contributor to airborne pollen, while grass remain at lower levels
Will pollen levels change in Huntington Beach tomorrow?
On 12 October 2026, pollen conditions in Huntington Beach will be different from today, with ambrosia at moderate levels
Is pollen expected to decrease in Huntington Beach this week?
According to the five-day outlook, artemisia, grass, and ambrosia pollen levels will increase later in the week.
Which pollen types are currently active in Huntington Beach?
On 11 October 2026, Ambrosia is the dominant pollen source in Huntington Beach. grass are also present but at lower levels. artemisia are not currently active.
When is pollen season in Huntington Beach?
How often is the Huntington Beach pollen forecast updated?
The Huntington Beach pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Huntington Beach 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 Huntington Beach 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 Huntington Beach, 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.
Understanding the Scale
The 0–100 pollen scores represent risk levels, not direct pollen measurements. Higher scores indicate higher risk.
Pollen
| None | 0 | No or negligible risk of exposure. Pollen/mold exposure is expected to be minimal. |
| Low | 0-25 | Low risk of exposure. Small amounts of pollen or mold spores may be present. |
| Moderate | 25-50 | Moderate risk of exposure. Pollen/mold exposure is expected to be noticeable. |
| High | 50-75 | High risk of exposure. Elevated pollen/mold exposure is expected. |
| Very High | 75-100 | Very high risk of exposure. Pollen/mold exposure is expected to be at or near its highest levels. |
Get More in the Airmine Pollen app
Get 15-day pollen forecasts with morning, afternoon and evening detail, plus 5-day air quality forecasts. Explore interactive pollen risk maps, estimated pollen season start, route profiles and a symptoms diary.
Features and forecast availability vary by region. Currently covering Europe, the contiguous US, southern Canada, South Africa, Australia, Indonesia (Java & Bali), Brazil, Paraguay, Uruguay and the Buenos Aires area.
Developed with support from the European Space Agency (ESA) Business Applications and Space Solutions (BASS).
