SISTERS (AP) — Smoke from a forest fire just a few miles uphill has made the air unhealthy in the Central Oregon town Sisters. The level of small particles in the air was high in the morning both Tuesday and Wednesday, and reached hazardous levels. The National Weather Service says little change is expected into next week, the Bulletin of Bend reported. “This is extremely higher than we normally see from wildfire impacts,” said Mark Bailey, eastern region air quality manager for the Department of Environmental Quality. “This is very high and very concerning for us.” The fire is only …