The Infectious risk has steadily declined over the last 12 weeks, ending the period well below its earlier peak..
Allergy risk activity has been decreasing over the past 12 weeks in Grant, Washington.
Pollution risk activity has been increasing over the past 12 weeks in Grant, Washington.
Weather risk activity has been easing over the past 12 weeks in Grant, Washington.
Last updated: August 24, 2026
Data refreshed weekly