Tree Pollen Count in Catalina Foothills, AZ — Today

Updated Saturday, November 7, 2026

Pollen by type in Catalina Foothills

What is the tree pollen count in Catalina Foothills today?

The Catalina Foothills tree pollen index today is 22 (Low) on Pollen Atlas’s modelled 0–100 scale. Low

Modelled pollen risk index — not a measured count.

Catalina Foothills’s overall pollen count today is 30 (Low) across all types. See the full Catalina Foothills pollen count for the overall index and every type together.

Catalina Foothills is a census-designated place in Pima County, Arizona. Its population is 51,756 (ACS 2023).

Catalina Foothills Tree Pollen Count: 5-Day Forecast

DayOverall indexCategory
Saturday, November 730Low
Sunday, November 830Low
Monday, November 930Low
Tuesday, November 1026Low
Wednesday, November 1129Low

Pollen Atlas models the daily detail as an overall index: day-by-day splits by individual pollen type are not part of the modelled data, so this table shows Catalina Foothills’s overall trend across the week. Today’s tree pollen reading is the headline above.

Species driving Catalina Foothills’s tree pollen

Species-level counts are not part of the modelled data Pollen Atlas publishes — the modelled index is reported per pollen type, not per species — so this section gives the type summary: tree pollen reads 22 (Low) today. The plant-by-plant detail that is available, from the Google Pollen API, is in the next section.

Plants affecting Catalina Foothills now — tree pollen

Detailed plant-by-plant readings for the tree pollen category were not returned in today’s source data for Catalina Foothills. The type summary stands: tree pollen reads 22 (Low) today.

In the Desert Southwest pattern, the plants that typically shape this city’s year are irrigated landscape trees and grasses, with wind-carried weeds in open ground — named here as regional context only, not as today’s readings.

Plant detail returns here automatically on any day the feed includes it.

What this tree pollen level means

Low risk. Keep windows open; consider allergy meds only if sensitive.

Enjoy outdoor activities.

Planted trees open in winter — the juniper family and ash first, mulberry at the heart of spring. This month sits outside the usual tree pollen window for the Desert Southwest pattern, so today’s tree pollen reading is the modelled value outranking the calendar — this page reports the modelled reading first. The Arizona allergy season guide singles out mulberry, ash and olive — planted trees, not wild desert flora.

Catalina Foothills allergies today

Catalina Foothills allergies today are set by the same reading as the Catalina Foothills pollen count today: the Total Pollen Index is 30 (Low), and the tree pollen index on this page is 22 (Low) of it. When people ask about Catalina Foothills allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Catalina Foothills.

Allergies in Catalina Foothills follow the Arizona calendar set out on the full Catalina Foothills page — the chapters, the plants behind them, and the 5-day forecast show whether today is typical for the season or an exception to it. If you are checking allergies today in Catalina Foothills before heading outdoors, the tree pollen split on this page is the part to read: it shows whether this pollen type is doing the work today, not just how high the total sits.

Read the five-day overall trend above as the Catalina Foothills allergy forecast for the tree pollen season: it shows whether Catalina Foothills allergies are set to ease or build across the week, day by day — the days to plan outdoor time around are the ones where the overall index steps down, not just today.

See the full Catalina Foothills pollen count — all types, the overall index and today’s ranking context

Catalina Foothills grass pollen count

Catalina Foothills ragweed pollen count

See how Catalina Foothills ranks in today's pollen count rankings — the worst cities for allergies today

See Catalina Foothills on the pollen map

Every pollen type, with photos and seasons: the pollen directory

Arizona allergy season guide

Tree pollen season

Find an allergist in Catalina Foothills, AZ

Pollen indexes: a modelled pollen risk index computed by Pollen Atlas from open weather, vegetation and phenology data, calibrated against CDC/NAB season data. Plant detail: Google Pollen API. Index values are modelled, not measured counts. Sources: CDC/NAB; USA-NPN; GBIF (CC BY); ESA WorldCover (CC BY 4.0).