Catalina Foothills pollen forecast - today, tomorrow and the week ahead
Today (9 August) pollen in Catalina Foothills is low; ragweed is low. Tomorrow (10 August 2026) levels are similar. Over the following five days ragweed will increase. 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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Catalina Foothills's Pima County Arizona suburban setting features saguaro cactus, palo verde, and desert willow as the main native pollen sources alongside residential plantings, with the elevated foothills setting supporting more desert scrub than in lower Tucson. Exposure varies considerably between the native Sonoran Desert wash corridors and the more built-up residential areas, while the Santa Catalina Mountain backdrop creates distinct mountain-desert pollen gradients and the elevation means slightly cooler conditions than lower valley areas.
Today - 9 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):
None
0/100
-
Ragweed (Ambrosia):
Low
19/100
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):
None
0/100
-
Ragweed (Ambrosia):
Low
1/100
Air quality in Catalina Foothills
View air qualityFrequently Asked Questions
Is pollen high in Catalina Foothills right now?
On 9 August 2026, overall pollen levels in Catalina Foothills are low. Ambrosia is the main contributor to airborne pollen
Will pollen levels change in Catalina Foothills tomorrow?
On 10 August 2026, pollen conditions in Catalina Foothills will be similar to today, with ambrosia at low levels
Is pollen expected to decrease in Catalina Foothills this week?
According to the five-day outlook, grass, ambrosia, and artemisia pollen levels will increase later in the week.
Which pollen types are currently active in Catalina Foothills?
On 9 August 2026, Ambrosia is the dominant pollen source in Catalina Foothills. grass, artemisia, and cypress are not currently active.
When is pollen season in Catalina Foothills?
How often is the Catalina Foothills pollen forecast updated?
The Catalina Foothills pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Catalina Foothills 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 Catalina Foothills 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 Catalina Foothills, 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?
Check pollen in other popular cities:
Data provided by Airmine — Last update: 9 August 2026 at 20:27 CEST (Data is updated four times daily.)
This page provides the latest public pollen forecast for Catalina Foothills.
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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.