AZ pollen report
Tucson Pollen Report
Tucson's Sonoran Desert runs on its own allergy calendar — two growing seasons a year. Mesquite and palo verde bloom in a famous spring yellow wave, mulberry and olive add heavy pollen in older neighborhoods, grasses follow the winter and monsoon rains, and desert broom and ragweed close out the fall. Allergy season here is less a season than a rotation.
Collection coming soon to Tucson
PollyMap is actively recruiting a verified local partner in Tucson. Be the first to know — or apply to be the partner.
While we find a local clinic
Test the air at your own home in Tucson
No allergy clinic is reporting from Tucson yet. Until one does, you can order your own PollyKit — a simple air sampler you hang outdoors or indoors. Send it back and the PollyKit Lab shows you exactly what's floating in your air.
- Pollen from local trees, grasses and weeds
- Airborne mold spores
- Dust mites and other indoor allergens
Hang it outdoors
See which pollen and mold are in your yard this season.
Or hang it indoors
Check bedrooms and living spaces for mold, dust mites and more.
What drives allergies in Tucson
Trees: mesquite and palo verde (March – May)
Mesquite (Prosopis) and palo verde (Parkinsonia) turn the desert yellow each spring and are potent allergens; fruitless mulberry and olive in older neighborhoods add to the load.
Grasses: after the rains (March – June, August – October)
Bermuda and native grasses pollinate after winter rains and again after the summer monsoons — Tucson's unusual double grass season.
Weeds: desert broom and ragweed (September – November)
Desert broom (Baccharis), ragweed (Ambrosia), and careless weed dominate the fall, especially in washes and disturbed lots.
Mold: monsoon-driven
Outdoor mold spikes during the July–September monsoon season, when humidity briefly transforms the desert.
Pollen patterns in Tucson
In Tucson, tree pollen — including Mulberry, Olive, Mesquite — typically dominates from late winter through spring. Bermuda grass is the most common warm-season pollinator, and Ragweed drives the largest fall pollen load.
Top trees
- Mulberry
- Olive
- Mesquite
- Juniper
- Ash
Top grasses
- Bermuda
- Buffalo
- Saltgrass
Top weeds
- Ragweed
- Russian thistle (tumbleweed)
- Pigweed
- Sagebrush
Top molds
- Alternaria
- Cladosporium
- Aspergillus
Tucson pollen calendar
Typical monthly intensity across the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| tree | ||||||||||||
| grass | ||||||||||||
| weed | ||||||||||||
| mold |
Historical reports
Cities near Tucson
Explore pollen activity in nearby cities reported by the PollyMap network.
PollyMap partners elsewhere in Arizona
No verified partner in Tucson yet — these clinics are the closest in-state options.
Recent reports near Tucson
Published samples from other Arizona locations.
- Scottsdale, AZModerate
Sep 23, 2026 · about 104 mi from Tucson
- Phoenix, AZLow
Oct 24, 2026 · about 106 mi from Tucson
- Phoenix, AZLow
Oct 24, 2026 · about 106 mi from Tucson
- Phoenix, AZModerate
Oct 24, 2026 · about 106 mi from Tucson
- Phoenix, AZModerate
Oct 20, 2026 · about 106 mi from Tucson
- Phoenix, AZHigh
Oct 20, 2026 · about 106 mi from Tucson
Frequently asked questions
What is the pollen count in Tucson today?
PollyMap publishes real, microscope-verified pollen counts for Tucson — measured from physical air samples. The latest report on this page shows current tree, grass, weed, and mold levels.
Is the pollen count high in Tucson right now?
Tucson's worst stretches are April (mesquite, palo verde, mulberry) and September–October (grasses after monsoons, fall weeds). The measured reports on this page show today's actual levels.
When is allergy season in Tucson?
Trees March–May, grasses after the winter rains and again after the monsoons, weeds September–November, and mold during monsoon season.
Why does Tucson have two allergy seasons?
The Sonoran Desert greens up twice — after winter rains and after summer monsoons — so grasses and weeds can pollinate in both spring and fall, with mesquite season in between.
Is pollen still bad in Tucson in the fall?
Yes. Ragweed and desert weeds run through October in Tucson, and the warm desert climate lets Bermuda grass linger. Levels ease by December but rarely drop to zero.
Are you an allergy clinic in Tucson? Claim your territory on PollyMap.
PollyMap is a local authority-building tool for allergy clinics, ENT practices, and any clinic that offers allergy care. By becoming the Official PollyMap Partner for your part of Tucson, your clinic gets credited on real pollen reports, receives ready-to-share weekly content, and becomes the go-to local expert patients trust.
We assign each partner a designated territory within the Tucson metro — like a franchise territory. Tucson has room for multiple partners, but once your area is assigned, it's locked to your clinic.
No clinic has claimed a territory in Tucson yet. The best areas go to the first clinics that sign up — once one does, that part of town is off the table for everyone else.
Tucson's spread-out metro — Oro Valley, Marana, the Foothills, and Vail — offers several PollyMap territories. The first allergy clinic in each becomes its credited pollen expert.
- Your clinic credited on every Tucson pollen report
- Weekly real-sample reports and ready-to-share content under your brand
- Locked territory — competing clinics can't claim your area
- Become the go-to allergy expert in your part of Tucson
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