Arizona Mold Allergy
Despite the dry climate, Arizona homes and outdoor air harbour mold. Monsoons, irrigation, and swamp coolers all contribute.
Peak season
Monsoon (July–September) and winter rains
Where common
Homes with swamp coolers, irrigated areas, and post-monsoon outdoor environments
Common symptoms
SneezingItchy eyesCongestionRunny noseCoughing
Reduce exposure
- Inspect AC and swamp coolers each spring.
- Fix water leaks immediately.
- Use a dehumidifier in damp rooms.
Local Conditions
Arizona
Allergy
High
Asthma
Moderate
Mold
Moderate
Dominant Pollens
MulberryOliveBermuda GrassRagweed
Dominant Molds
AlternariaCladosporium
Pollen and dust dominate Arizona air today. Mold pressure varies by neighborhood.
See Live Conditions on PollyMap →FAQ
Can dry Arizona really have mold?+
Yes — Alternaria thrives in our climate.