Infectious risk activity has been decreasing over the past 12 weeks in Maricopa, Arizona.
Allergy risk activity has been decreasing over the past 12 weeks in Maricopa, Arizona.
Pollution risk activity has been stable over the past 12 weeks in Maricopa, Arizona.
Weather risk activity has been increasing over the past 12 weeks in Maricopa, Arizona.
Last updated: May 24, 2026
Data refreshed weekly