Coconino National Forest crews are once again burning near Mountainaire, south of Flagstaff today. Crews started the burn Tuesday with smoke impacting the Flagstaff region down to Sedona. A total of 800-acres and slash piles are being treated with fire. Crews also hope to burn 1,200 acres north of Lake Mary Road Thursday and Friday. A burn planned this week on the Prescott National Forest near the I-17/Highway-169 junction was canceled.