Murrieta Hot Springs Pollen Forecast - Today, Tomorrow and the Week Ahead
Pollen Today
Today (6 October) pollen in Murrieta Hot Springs is high; ragweed is high; mold (alternaria) and mold (cladosporium) are moderate; grass is low.
Pollen Tomorrow
Tomorrow (7 October 2026) ragweed remains high, grass increasing, mold (alternaria) declining, mold (cladosporium) declining, mugwort at low levels.
7-Day Trend
Over the next week mugwort, mold (alternaria), and mold (cladosporium) will increase; grass and ragweed 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 | 23/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | None | 0/100 |
| Ragweed (Ambrosia) | High | 53/100 |
| Alternaria | Moderate | 26/100 |
| Cladosporium | Moderate | 28/100 |
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 | 26/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | Low | 1/100 | |
| Ragweed (Ambrosia) | High | 57/100 | |
| Alternaria | Low | 20/100 | |
| Cladosporium | Low | 23/100 |
Local Environmental Conditions
Murrieta Hot Springs is surrounded mainly by open grassland, with some built-up land and bare ground. Grass pollen adds noticeably to the overall load. Grasses along roadsides, verges and open ground also add to the overall pollen load. Wind carries pollen over long distances, so the wider landscape also shapes what arrives here.
Grasses take over in late spring and keep pollen in the air into mid-fall. A smaller weed peak follows from early summer into early fall. Spring is the wettest time of year, and heavy showers can bring short breaks in pollen. Dry, sunny and breezy weather raises levels within each period, and steady rain brings them down.
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Frequently Asked Questions About Pollen in California
Is pollen high in Murrieta Hot Springs right now?
On 6 October 2026, overall pollen levels in Murrieta Hot Springs are high. Ambrosia is the main contributor to airborne pollen, while grass remain at lower levels
Will pollen levels change in Murrieta Hot Springs tomorrow?
On 7 October 2026, pollen conditions in Murrieta Hot Springs will be different from today, with ambrosia at high levels, artemisia at low levels and grass increasing
Is pollen expected to decrease in Murrieta Hot Springs this week?
According to the five-day outlook, grass and ambrosia 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 Murrieta Hot Springs?
On 6 October 2026, Ambrosia is the dominant pollen source in Murrieta Hot Springs. grass are also present but at lower levels. artemisia are not currently active.
When is pollen season in Murrieta Hot Springs?
How often is the Murrieta Hot Springs pollen forecast updated?
The Murrieta Hot Springs pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Murrieta Hot Springs 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 Murrieta Hot Springs 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 Murrieta Hot Springs, 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).
