You can get away from campfire smoke my moving a few feet. Wildfire smoke covers hundreds if not thousands of square miles. Most people also aren’t standing around a campfire when it gets started which produces the worst smoke because it isn’t hot enough yet. The relatively cool fire causes incomplete combustion which produces lots of soot and VOCs which is the part that’s bad for you. After the fire gets going, you feed it dried wood which burns hotter and produces less soot and VOCs. Wildfires are constantly burning new material, most of which is still living plant matter so it has a relatively high moisture content, the newly burning material burns cooler and produces more soot and VOCs before it gets hot enough to burn them all up.
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