The smoke in the Rogue Valley today is coming from fires to the north in the Umpqua National Forest and affecting air quality in Central and Southern Oregon.

The smoke in the Rogue Valley today is coming from fires to the north in the Umpqua National Forest, according to the Oregon Department of Forestry.

Officials from Ashland Fire & Rescue said they have been receiving a lot of calls about the smoke in Ashland today.

Smoke and haze have appeared in low-lying areas of Central and Eastern Oregon, including Crater Lake, Bend, Redmond, Burns, Klamath Falls and as far as Sweet Home and Lyons near the Willamette Valley.

Smoke concentrations from the fires in Southern and Central Oregon reached the "moderate" category overnight Tuesday on the Oregon Department of Environmental Quality's Wildfire Air Quality Rating Scale in Bend.

Levels climbed to "Unhealthy for Sensitive Groups" (children, elderly and people who suffer from asthma or other lung or heart conditions) in the Klamath Falls area.

Levels are currently at "Unhealthy" in the Crater Lake area and "Moderate" in Medford.

Visit the Wildfire Air Quality Rating Scale at www.deq.state.or.us/aqi/wildfire/index.htm

Area residents can check DEQ's Air Quality Index through the weekend for real-time air quality and health index readings at www.deq.state.or.us/aqi/index.aspx