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Pollen Level
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Gathering pollen, air quality, and weather data for you.
Gathering pollen, air quality, and weather data for you.
Pollen Level
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Air Quality
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Weather
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Tempe's allergy season is relatively mild compared to other US regions, running from April through September. However, the dry air and altitude around Tempe, AZ create unique challenges — pollen travels further and dry conditions can irritate airways.
Right now: August brings sagebrush pollen to Tempe. This is the primary fall allergen in the Mountain West.
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 Tempe 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.
Google UPI 0/5
Google UPI 0/5
Weather
86°F
Sunny · 44% humidity · 6 mph wind
CAUTION
Pollen is manageable, but air quality is unhealthy (AQI 149). Sensitive people should limit outdoor activity.
Air quality: AQI is 149 (unhealthy).
Lower-risk hours: 07:00-09:00
Hourly pollen risk is estimated from weather trends when no live hourly pollen feed is available.
Informational only. Not medical advice. For health concerns, please consult a qualified healthcare provider. Editorial standards.