Wishon Campground, East Porterville Pollen Forecast - Today, Tomorrow and the Week Ahead
Pollen Today
Today (6 October) pollen in Wishon Campground, East Porterville is moderate; ragweed, mold (alternaria), and mold (cladosporium) are moderate; grass and mugwort are low.
Pollen Tomorrow
Tomorrow (7 October 2026) levels are similar to today.
7-Day Trend
Over the next week grass, mugwort, ragweed, mold (alternaria), and mold (cladosporium) 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) | Low | 6/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | Low | 11/100 |
| Ragweed (Ambrosia) | Moderate | 31/100 |
| Alternaria | Moderate | 40/100 |
| Cladosporium | Moderate | 38/100 |
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) | Low | 11/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | Low | 17/100 | |
| Ragweed (Ambrosia) | Moderate | 36/100 | |
| Alternaria | Moderate | 40/100 | |
| Cladosporium | Moderate | 39/100 |
Local Environmental Conditions
The landscape around this location in East Porterville is heavily wooded. Running water nearby means riverside vegetation is part of the local pollen picture. Oak stands out as the main allergenic tree nearby. Undergrowth, clearings and woodland edges add smaller amounts of grass and herb pollen. Much of the pollen in dense woodland is released high in the canopy, where the wind carries it easily.
The pollen year opens with oak, peaking around mid-spring. The grass season runs from mid-spring to midsummer, with its high point around late spring. Later, weeds flowering on open and disturbed ground keep some pollen in the air from early summer into early fall. Here, winters average around 5°C and summers around 25°C, with most rain falling in the cooler months.
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Frequently Asked Questions About Pollen in California
Is pollen high in East Porterville right now?
On 6 October 2026, overall pollen levels in East Porterville are moderate. Ambrosia is the main contributor to airborne pollen, while artemisia and grass remain at lower levels
Will pollen levels change in East Porterville tomorrow?
On 7 October 2026, pollen conditions in East Porterville will be similar to today, with artemisia at low levels, grass at low levels, ambrosia at moderate levels
Is pollen expected to decrease in East Porterville this week?
According to the five-day outlook, artemisia, grass, and ambrosia pollen levels are expected to gradually decrease, suggesting improving conditions later in the week.
Which pollen types are currently active in East Porterville?
On 6 October 2026, Ambrosia is the dominant pollen source in East Porterville. artemisia and grass are also present but at lower levels.
When is pollen season in East Porterville?
How often is the East Porterville pollen forecast updated?
The East Porterville pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in East Porterville 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 East Porterville 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 East Porterville, 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).
