The 'very unhealthy' air quality levels can have serious health implications for all residents, not just those in sensitive groups. Prolonged exposure to wildfire smoke can lead to respiratory issues, headaches, and nausea. The situation is expected to persist until the end of wildfire season, which typically concludes in late September or early October. The Idaho Department of Environmental Quality has emphasized the importance of taking precautions to limit exposure to the smoke, as the situation may worsen if fire activity increases or weather conditions change.