The Infectious risk has climbed over the past 12 weeks, reaching a notably higher level in the most recent week compared to prior weeks..
Allergy risk activity has been trending upward over the past 12 weeks in New Castle, Delaware.
Pollution risk activity has been climbing over the past 12 weeks in New Castle, Delaware.
Weather risk activity has been climbing over the past 12 weeks in New Castle, Delaware.
Last updated: July 6, 2026
Data refreshed weekly