Clearlake Oaks Pollen Forecast - Today, Tomorrow and the Week Ahead
Pollen Today
Today (6 October) pollen in Clearlake Oaks is high; ragweed is high; grass, mold (alternaria), and mold (cladosporium) are moderate; mugwort is low.
Pollen Tomorrow
Tomorrow (7 October 2026) grass remains moderate, mugwort remains low, mold (alternaria) remains moderate, mold (cladosporium) remains moderate, ragweed declining.
7-Day Trend
Over the next week mugwort and mold (cladosporium) will increase; grass, ragweed, and mold (alternaria) will decrease.
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Pollen Risk
Today - 6 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) | Moderate | 47/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | Low | 23/100 |
| Ragweed (Ambrosia) | High | 56/100 |
| Alternaria | Moderate | 27/100 |
| Cladosporium | Moderate | 33/100 |
Tomorrow - 7 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) | Moderate | 33/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | Low | 9/100 | |
| Ragweed (Ambrosia) | Moderate | 42/100 | |
| Alternaria | Moderate | 27/100 | |
| Cladosporium | Moderate | 29/100 |
Local Environmental Conditions
The center of Clearlake Oaks is surrounded mainly by woodland, with a good deal of built-up land and some open grassland. With running water close by, riverside vegetation contributes to the local mix. Around here, tree cover makes trees an important source. Street trees, private gardens and mown lawns add to local pollen in the more built-up surroundings.
Tree pollen comes first, peaking in mid-spring. Grasses take over in late spring, with temperatures around 20°C, and their pollen lingers into early fall. A smaller weed peak follows from early summer into early fall. Rain is heaviest in winter, often giving short breaks from high pollen levels. By early winter, as temperatures fall to around 10°C, pollen levels are low again.
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Frequently Asked Questions About Pollen in California
Is pollen high in Clearlake Oaks right now?
On 6 October 2026, overall pollen levels in Clearlake Oaks are high. Ambrosia is the main contributor to airborne pollen, while grass and artemisia remain at lower levels
Will pollen levels change in Clearlake Oaks tomorrow?
On 7 October 2026, pollen conditions in Clearlake Oaks will be different from today, with artemisia at low levels, grass at moderate levels and ambrosia continuing to decline
Is pollen expected to decrease in Clearlake Oaks this week?
According to the five-day outlook, ambrosia and grass pollen levels are expected to gradually decrease, while artemisia pollen will increase, suggesting mixed conditions later in the week.
Which pollen types are currently active in Clearlake Oaks?
On 6 October 2026, Ambrosia is the dominant pollen source in Clearlake Oaks. grass and artemisia are also present but at lower levels.
When is pollen season in Clearlake Oaks?
How often is the Clearlake Oaks pollen forecast updated?
The Clearlake Oaks pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Clearlake Oaks 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 Clearlake Oaks 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 Clearlake Oaks, 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. |
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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).
