Low Covid-19 risk in Decatur, Iowa.
Low Flu risk in Decatur, Iowa.
Low Rsv risk in Decatur, Iowa.
Low Infectious risk in Decatur, Iowa.
Very high Allergy risk in Decatur, Iowa.
Low Pollution risk in Decatur, Iowa.
Moderate Weather activity in Decatur, Iowa.
Last updated: April 20, 2026
Data refreshed weekly