Wildfire Smoke Risk Communication Efficacy: A Content Analysis of Washington State's 2018 Statewide Smoke Event Public Health Messaging.

Context: Wildfire events are increasing in prevalence and intensity in the Pacific Northwest. Effective communication of health risks and actions to reduce exposure to wildfire smoke is imperative.

Objective: We assessed the content of wildfire smoke risk messages from government organizations and mainstream media during a major wildfire smoke event in August 2018.