Resource Aug 9, 2023

Regional Haze Fact Sheets by EPA Region

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Learn about emission sources and the status of regional haze plans in each EPA region.

Resource Regional Haze Pollution in EPA Region 1 Strong state regional haze plans are critical to restoring clean air and clear skies for beloved places in the Northeast including Acadia National Park, Moosehorn Wilderness Area, Great Gulf Wilderness Area, Lye Brook Wilderness, and the Presidential Range – Dry River Wilderness Area.
Resource Regional Haze Pollution in EPA Region 2 Strong state regional haze plans are critical to restoring clean air and clear skies for beloved places like Brigantine Wilderness Area in New Jersey.
Resource Regional Haze Pollution in EPA Region 3 Strong state regional haze plans are critical to restoring clean air and clear skies to treasured places like Shenandoah National Park and Dolly Sods Wilderness Area. Unfortunately, states in the Mid-Atlantic are failing to adequately cut air pollution impacting these parks and wilderness areas and communities.
Resource Regional Haze Pollution in EPA Region 4 Strong state regional haze plans are critical to restoring clean air and clear skies to treasured places like Great Smoky Mountains National Park and Okefenokee National Wildlife Refuge. Unfortunately, states in the Southeast are failing to adequately cut air pollution impacting these parks and wilderness areas and communities.
Resource Regional Haze Pollution in EPA Region 5 Strong state regional haze plans are critical to restoring clean air and clear skies for treasured places like Isle Royale and Voyageurs National Parks, and Seney and Boundary Waters Canoe Wilderness Areas. Unfortunately, states in the Great Lakes region are failing to adequately cut air pollution impacting these parks and wilderness areas and our communities.
Resource Regional Haze Pollution in EPA Region 6 Strong state regional haze plans are critical to restoring clean air and clear skies for treasured places like Carlsbad Caverns, Guadalupe Mountains and Big Bend National Parks, and Caney Creek Wilderness Area. Unfortunately, states in EPA’s Region 6, also known as the South Central region, are failing to adequately cut air pollution impacting these parks and wilderness areas and our communities.
Resource Regional Haze Pollution in EPA Region 7 Strong state regional haze plans are critical to restoring clean air and clear skies for treasured places like Mammoth Cave National Park, and Hercules Glades and Mingo Wilderness Areas. Unfortunately, states in the Midwest (EPA’s Region 7) are failing to adequately cut air pollution impacting these parks and wilderness areas and communities.
Resource Regional Haze Pollution in EPA Region 8 Strong state regional haze plans are critical to restoring clean air and clear skies for treasured places like Zion, Rocky Mountain, Theodore Roosevelt and Glacier National Parks. Unfortunately, states in this region are failing to adequately cut air pollution impacting these parks and wilderness areas and communities.
Resource Regional Haze Pollution in EPA Region 9 Strong state regional haze plans are critical to restoring clean air and clear skies to treasured places like Grand Canyon, Redwood and Yosemite National Parks. Unfortunately, states in EPA’s Region 9 are failing to adequately cut air pollution affecting national parks and wilderness areas. EPA’s Region 9, also known as the Pacific Southwest region, includes California, Hawaii, Arizona, and Nevada.
Resource Regional Haze Pollution in EPA Region 10 Strong state regional haze plans are critical to restoring clean air and clear skies to treasured places like Mount Rainier, Crater Lake and Olympic National Parks. Unfortunately, states in EPA’s Region 10 are failing to adequately cut air pollution impacting these parks and wilderness areas and communities. EPA’s Region 10, also known as the Pacific Northwest region, includes Oregon, Washington, Idaho and Alaska.

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