GroundRules
40 CFR 81.354: Northern Mariana Islands.
Where this section sits in the code
- Title 40—Protection of Environment
- CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
- SUBCHAPTER C—AIR PROGRAMS
- PART 81—DESIGNATION OF AREAS FOR AIR QUALITY PLANNING PURPOSES
- Subpart C—Section 107 Attainment Status Designations
Northern Mariana Islands—TSP
Designated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards
Whole State 1 X
1 EPA designation only.
Northern Mariana Islands—1971 Sulfur Dioxide NAAQS
[Primary and Secondary]
Designated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards
Whole State 1 X
1 EPA designation only.
Northern Mariana Islands—2010 Sulfur Dioxide NAAQS
[Primary]
Designated area 1 Designation
Date 2 Type
Territory Wide Attainment/Unclassifiable.
1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.
2 This date is April 9, 2018, unless otherwise noted.
Northern Mariana Islands—Carbon Monoxide
Designated Area Designation Classification
Date 1 Type Date 1 Type
Whole State Unclassifiable/Attainment
1 This date is November 15, 1990, unless otherwise noted.
Northern Mariana Islands—Ozone (1-Hour Standard)2
Designated area Designation Classification
Date 1 Type Date 1 Type
Whole State Unclassifiable/Attainment
1 This date is October 18, 2000, unless otherwise noted.
2 The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in Northern Mariana Islands.
Northern Mariana Islands—1997 Annual PM2.5 NAAQS
[Primary and Secondary]
Designated area Designation a Classification
Date 1 Type Date Type
Territory wide:
Northern Islands Municipality Unclassifiable/Attainment.
Rota Municipality Unclassifiable/Attainment.
Saipan Municipality Unclassifiable/Attainment.
Tinian Municipality Unclassifiable/Attainment.
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 90 days after January 5, 2005, unless otherwise noted.
Northern Mariana Islands—2012 Annual PM2.5 NAAQS
[Primary]
Designated area 1 Designation Classification
Date 2 Type Date 2 Type
Territory wide:
Northern Islands Municipality Unclassifiable/Attainment
Rota Municipality Unclassifiable/Attainment
Saipan Municipality Unclassifiable/Attainment
Tinian Municipality Unclassifiable/Attainment
1 Includes areas of Indian country located in each county or area, except as otherwise specified.
2 This date is April 15, 2015, unless otherwise noted.
Northern Mariana Islands—1997 24-Hour PM2.5 NAAQS
[Primary and Secondary]
Designated area Designation a Classification
Date 1 Type Date Type
Territory wide:
Northern Islands Municipality Unclassifiable/Attainment.
Rota Municipality Unclassifiable/Attainment.
Saipan Municipality Unclassifiable/Attainment.
Tinian Municipality Unclassifiable/Attainment.
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 90 days after January 5, 2005, unless otherwise noted.
Northern Mariana Islands—2006 24-Hour PM2.5 NAAQS
[Primary and Secondary]
Designated area Designation a Classification
Date 1 Type Date Type
Territory wide:
Northern Islands Municipality Unclassifiable/Attainment.
Rota Municipality Unclassifiable/Attainment.
Saipan Municipality Unclassifiable/Attainment.
Tinian Municipality Unclassifiable/Attainment.
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 30 days after November 13, 2009, unless otherwise noted.
Northern Mariana Islands—NO2 (1971 Annual Standard)
Designated area Does not meet primary standards Cannot be classified or better than national standards
Whole State 1 X
1 EPA designation only.
Northern Mariana Islands—NO2 (2010 1-Hour Standard)
Designated area Designation a
Date 1 Type
Northern Mariana Islands Unclassifiable/Attainment.
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 90 days after October 31, 2011, unless otherwise noted.
Northern Mariana Islands—1997 8-Hour Ozone NAAQS
[Primary and Secondary]
Designated area Designation Category/classification
Date 1 Type Date 1 Type
Whole State Unclassifiable/Attainment
1 This date is June 15, 2004, unless otherwise noted.
Northern Mariana Islands—2008 8-Hour Ozone NAAQS
[Primary and Secondary]
Designated area Designation Classification
Date 1 Type Date 1 Type
Northern Mariana Islands and Any Areas of Indian Country Unclassifiable/Attainment
1 This date is July 20, 2012, unless otherwise noted.
Northern Mariana Islands—2015 8-Hour Ozone NAAQS
[Primary and Secondary]
Designated area 1 Designation Classification
Date 2 Type Date Type
Northern Mariana Islands Attainment/Unclassifiable
1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.
2 This date is January 16, 2018, unless otherwise noted.
Northern Mariana Islands—2008 Lead NAAQS
Designated area Designation for the 2008 NAAQS a
Date 1 Type
Whole State Unclassifiable/Attainment.
a Includes Indian Country located in each county or area, except as otherwise specified.
1 December 31, 2011 unless otherwise noted.
Collected 2026-08-27T02:26:04Z. Source file · JSON