Great Smoky Mountains Nature Information - Information on air quality, environmental stresses, forest types, and flora and fauna in the National Park. From the National Park Service. - http://www.nps.gov/grsm/planyourvisit/weather.htm
Foothills Land Conservancy - Independent, non-profit land trust focused on preservation of the unique ecological, agricultural, and scenic resources of the Foothills of the Southern Appalachian Mountains in Tennessee. - http://www.foothillsland.org/
Look Rock Cam - Current weather and air quality conditions at Look Rock, Great Smoky Mountains National Park, with web cam view from Look Rock. - http://www2.nature.nps.gov/air/webcams/parks/grsmcam/grsmcam.htm