Designated area
| Designation
a
| Classification
|
---|
Date
1
| Type
| Date
| Type
|
---|
AQCR 130 Metropolitan Fargo-Moorhead Interstate:
| | | | |
Cass County | | Unclassifiable/Attainment.
| | |
Rest of State, AQCR 172:
| | | | |
Adams County | | Unclassifiable/Attainment.
| | |
Barnes County | | Unclassifiable/Attainment.
| | |
Benson County | | Unclassifiable/Attainment.
| | |
Billings County | | Unclassifiable/Attainment.
| | |
Bottineau County | | Unclassifiable/Attainment.
| | |
Bowman County | | Unclassifiable/Attainment.
| | |
Burke County | | Unclassifiable/Attainment.
| | |
Burleigh County | | Unclassifiable/Attainment.
| | |
Cavalier County | | Unclassifiable/Attainment.
| | |
Dickey County | | Unclassifiable/Attainment.
| | |
Divide County | | Unclassifiable/Attainment.
| | |
Dunn County | | Unclassifiable/Attainment.
| | |
Eddy County | | Unclassifiable/Attainment.
| | |
Emmons County | | Unclassifiable/Attainment.
| | |
Foster County | | Unclassifiable/Attainment.
| | |
Golden Valley County | | Unclassifiable/Attainment.
| | |
Grand Forks County | | Unclassifiable/Attainment.
| | |
Grant County | | Unclassifiable/Attainment.
| | |
Griggs County | | Unclassifiable/Attainment.
| | |
Hettinger County | | Unclassifiable/Attainment.
| | |
Kidder County | | Unclassifiable/Attainment.
| | |
LaMoure County | | Unclassifiable/Attainment.
| | |
Logan County | | Unclassifiable/Attainment.
| | |
McHenry County | | Unclassifiable/Attainment.
| | |
McIntosh County | | Unclassifiable/Attainment.
| | |
McKenzie County | | Unclassifiable/Attainment.
| | |
McLean County | | Unclassifiable/Attainment.
| | |
Mercer County | | Unclassifiable/Attainment.
| | |
Morton County | | Unclassifiable/Attainment.
| | |
Mountrail County | | Unclassifiable/Attainment.
| | |
Nelson County | | Unclassifiable/Attainment.
| | |
Oliver County | | Unclassifiable/Attainment.
| | |
Pembina County | | Unclassifiable/Attainment.
| | |
Pierce County | | Unclassifiable/Attainment.
| | |
Ramsey County | | Unclassifiable/Attainment.
| | |
Ransom County | | Unclassifiable/Attainment.
| | |
Renville County | | Unclassifiable/Attainment.
| | |
Richland County | | Unclassifiable/Attainment.
| | |
Rolette County | | Unclassifiable/Attainment.
| | |
Sargent County | | Unclassifiable/Attainment.
| | |
Sheridan County | | Unclassifiable/Attainment.
| | |
Sioux County | | Unclassifiable/Attainment.
| | |
Slope County | | Unclassifiable/Attainment.
| | |
Stark County | | Unclassifiable/Attainment.
| | |
Steele County | | Unclassifiable/Attainment.
| | |
Stutsman County | | Unclassifiable/Attainment.
| | |
Towner County | | Unclassifiable/Attainment.
| | |
Traill County | | Unclassifiable/Attainment.
| | |
Walsh County | | Unclassifiable/Attainment.
| | |
Ward County | | Unclassifiable/Attainment.
| | |
Wells County | | Unclassifiable/Attainment.
| | |
Williams County | | Unclassifiable/Attainment.
| | |