When wildfire smoke billows from its source and lingers in the air, the haze brings coughs and questions for many Montana residents. Among them: How should I interpret air quality ratings? How does smoke affect my indoor air quality? Is it safe to walk my dog or head out for a hike today? Montana Free Press put those questions and others to public health officials and researchers. While the answers are sometimes tricky to navigate — and leave plenty of space for personal choice — the bottom line is that there are plenty of resources available to help you make decisions about your health and comfort this wildfire season.