Pollen Level
Loading
Fetching live data
Loading city data
Current Conditions
Air Quality
Loading
Fetching live data
Weather
Loading
Fetching live data
Checking today's conditions
Gathering pollen, air quality, and weather data for you.
Loading city data
Pollen Level
Loading
Fetching live data
Air Quality
Loading
Fetching live data
Weather
Loading
Fetching live data
Gathering pollen, air quality, and weather data for you.
Gathering pollen, air quality, and weather data for you.
Pollen Level
Loading
Fetching live data
Air Quality
Loading
Fetching live data
Weather
Loading
Fetching live data
San Tan Valley's allergy season is relatively mild compared to other US regions, running from April through September. However, the dry air and altitude around San Tan Valley, AZ create unique challenges — pollen travels further and dry conditions can irritate airways.
Right now: July is peak grass pollen at higher elevations near San Tan Valley. Wildfire smoke can compound respiratory issues.
Spring
Apr – Jun
Juniper, pine, and cottonwood tree pollen peak at lower elevations.
Summer
Jun – Aug
Grass pollen peaks. Higher elevations see delayed and shorter seasons.
Fall
Aug – Sep
Sagebrush and ragweed in lower elevations. Season ends earlier at altitude.
Dry air near San Tan Valley can carry pollen over longer distances, but lower humidity means less mold than in humid regions. Elevation significantly affects local pollen timing — even a 30-minute drive changes conditions. PollenTracker accounts for these variations.
Open another nearby forecast without going back to the map.
YES
Conditions are manageable, but Grass pollen is moderate and air quality is fair and it's breezy. Most people can head out with light precautions.
Weather: Rain can temporarily wash pollen out of the air.
Best hours: 20:00, 20:00-21:00
Weather
84°F
Rainy · 62% humidity · 15 mph wind
~5 grains/m³
~5 grains/m³