Low Covid-19 risk in Richland, Ohio.
Low Flu risk in Richland, Ohio.
Low Rsv risk in Richland, Ohio.
Low Infectious risk in Richland, Ohio.
Very high Allergy risk in Richland, Ohio.
Low Pollution risk in Richland, Ohio.
Moderate Weather activity in Richland, Ohio.
Last updated: May 4, 2026
Data refreshed weekly