A hospital worker embraces her co-worker as they evacuate patients from the Feather River Hospital during the Camp Fire on Nov. 8, 2018 in Paradise, California. (Justin Sullivan/Getty Images) By Michelle Faust & Michelle Lanz Even if you don't live or work near a major fire, you can still be affected by smoke particles in the air. So, what's in that smoke, and how much should you worry about it?