The Infectious risk has trended steadily upward over the past 12 weeks, ending the period at its highest level..
Allergy risk activity has been climbing over the past 12 weeks in Richland, North Dakota.
Pollution risk activity has been trending upward over the past 12 weeks in Richland, North Dakota.
Weather risk activity has been climbing over the past 12 weeks in Richland, North Dakota.
Last updated: July 13, 2026
Data refreshed weekly