Essentially all consumer fireworks allowed:

Washington
Montana
Wyoming
North Dakota
South Dakota
Nebraska
Kansas
Oklahoma
Texas
New Mexico
Missouri
Arkansas
Louisiana
Mississippi
Alabama
Tennessee
South Carolina
Alaska

"Safe and Sane" fireworks allowed:

Oregon
Idaho
California
Nevada
Utah
Colorado
Florida
New Hampshire
Wisconsin
Illinois
Indiana
Kentucky
West Virginia
Virginia
North Carolina
Hawaii

"Novelty" Fireworks Allowed:

Iowa
Ohio
Pennsylvania
Maryland
Maine

No Fireworks Allowed:

Arizona
Minnesota
Georgia
New York
Vermont
Massachusetts
Rhode Island
Connecticut
New Jersey
Delaware
Minnesota