Air Quality Photographs

Cameras are used at a number of IMPROVE monitoring sites. Images from monitoring sites with over five years of data where selected to capture the range or "spectrum" of visual conditions at each site.
Acadia National Park, Maine
Badlands National Park, South Dakota
Bandelier National Monument, New Mexico
Big Bend National Park, Texas
Boundary Waters Canoe Area, Minnesota
Bridger Wilderness Area, Wyoming
Bryce Canyon National Park, Utah
Canyonlands National Park, Utah
Cape Romain National Wildlife Refuge, South Carolina
Chassahowitzka National Wildlife Refuge, Florida
Chiricahua National Monument-Hatchett Peak, Arizona
Chiricahua National Monument-Mica Mountain Vista, Arizona
Crater Lake National Park-Mount Thielsen Vista, Oregon
Crater Lake National Park-Palisade Point Park, Oregon
Denali National Park, Alaska
Dolly Sods Wilderness Area-Rich Mountain Vista, West Virginia
Dolly Sods Wilderness Area-Weiss Knob Vista, West Virginia
Edwin B. Forsythe National Wildlife Refuge, New Jersey
Everglades National Park, Florida
Glacier National Park, Montana
Grand Canyon National Park, Arizona
Great Basin National Park, Nevada
Great Sand Dunes National Monument, Colorado
Great Smoky Mountains National Park, Tennessee
Guadalupe Mountains National Park, Texas
Haleakala National Park, Hawaii
Hawaii Volcanoes National Park, Hawaii
Jarbidge Wilderness Area, Nevada/Idaho
Lassen Volcanic National Park, California
Lye Brook Wilderness Area, Vermont
Mammoth Cave National Park, Kentucky
Mesa Verde National Park, Colorado
Mount Rainier National Park, Washington
Okefenokee National Wildlife Refuge, Georgia
Petrified Forest National Park, Arizona
Pinnacles National Monument, California
Point Reyes National Seashore, California
Redwood National Park, California
Rocky Mountain National Park, Colorado
San Gorgonio Wilderness Area, California
Shenandoah National Park, Virginia
Tonto National Monument, Arizona
Voyageurs National Park, Minnesota
Weminuche Wilderness Area, Colorado
Yellowstone National Park, Wyoming
Yosemite National Park, California