Hesperia pollen forecast - today, tomorrow and the week ahead
Today (9 August) pollen in Hesperia is medium; ragweed is medium; cypress, grass, and mugwort are low. Tomorrow (10 August 2026) levels are similar - mugwort remains low, ragweed declining. Over the following five days grass, mugwort, and ragweed will increase; cypress will remain stable. 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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Hesperia's high desert setting in the Mojave means sparse native scrub and introduced trees along streets and in parks as the main pollen sources, with exposure varying between these greener areas and the more arid urban core. Surrounding Mojave Desert scrub and grassland contribute seasonal shrub and grass pollen, while the open desert valley allows pollen to disperse widely across the area under prevailing winds.
Today - 9 August
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
Low
2/100
-
Grass (Poaceae):
Low
5/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Low
22/100
-
Ragweed (Ambrosia):
Medium
28/100
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):
None
0/100
-
Grass (Poaceae):
None
0/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Low
14/100
-
Ragweed (Ambrosia):
Low
21/100
Air quality in Hesperia
View air qualityFrequently Asked Questions
Is pollen high in Hesperia right now?
On 9 August 2026, overall pollen levels in Hesperia are moderate. Ambrosia is the main contributor to airborne pollen, while artemisia, cypress, and grass remain at lower levels
Will pollen levels change in Hesperia tomorrow?
On 10 August 2026, pollen conditions in Hesperia will be different from today, with artemisia at low levels and ambrosia continuing to decline
Is pollen expected to decrease in Hesperia 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 Hesperia?
On 9 August 2026, Ambrosia is the dominant pollen source in Hesperia. artemisia, cypress, and grass are also present but at lower levels.
When is pollen season in Hesperia?
How often is the Hesperia pollen forecast updated?
The Hesperia pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Hesperia 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 Hesperia 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 Hesperia, 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?
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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 Hesperia.
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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.