National Park Service

Air Resources






For more information about National Park Service air resources, please visit http://www.nature.nps.gov/air/.

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Regional Haze State Implementation Plan Review

In 1999, the Environmental Protection Agency (EPA) promulgated regulations for the second phase of its visibility protection program to address regional haze. The regulations require States to reduce regional visibility impairment at large National Parks and Wilderness Areas designated as "mandatory Class I areas" under the Clean Air Act. The Clean Air Act established a national goal of returning visibility in these areas to natural conditions. The EPA’s regional haze regulations require each State to develop an implementation plan to reduce emissions of pollutants that contribute to visibility impairment and to make reasonable progress toward the national goal. The Clean Air Act also designated a role for the Federal Land Managers of the Class I areas to consult with States on their implementation plans before those plans go through the public hearing process.

The National Park Service, Air Resources Division and the U.S. Fish and Wildlife Service, Branch of Air Quality, are the lead offices for consultation with the States on behalf of the Department of the Interior. Follow the links below to find the Department of the Interior comments on each State’s draft implementation plans. States not listed below are still developing plans or have submitted plans that are under review.

For links to State air program information on regional haze and additional Federal land manager comments from the U.S. Forest Service, along with those from the U.S. Environmental Protection Agency, visit the U.S. Fish and Wildlife Service Regional Haze Comments web page.

Comments on State Plans

Alabama

Alaska

Arkansas

Arizona

California

Colorado

Connecticut

Delaware

District of Columbia

Hawaii

Georgia

Idaho

Indiana

Iowa

Kansas

Kentucky

Louisiana

Maine

Maryland

Massachusetts

Michigan

Minnesota

Mississippi

Missouri

Nebraska

Nevada

New Hampshire

New Jersey

New Mexico

North Carolina

North Dakota

Ohio

Oregon

Pennsylvania

Rhode Island

South Carolina

South Dakota

Tennessee

Texas

Utah

Vermont

Virgin Islands

Virginia

Washington

West Virginia

Wisconsin

Wyoming


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Last Updated: May 03, 2013