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40 CFR § 81.356 - Virgin Islands. 

---
identifier: "/us/cfr/t40/s81.356"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 81.356 - Virgin Islands."
title_number: 40
title_name: "Protection of Environment"
section_number: "81.356"
section_name: "Virgin Islands."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "C"
subchapter_name: "AIR PROGRAMS"
part_number: "81"
part_name: "DESIGNATION OF AREAS FOR AIR QUALITY PLANNING PURPOSES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 7401,"
regulatory_source: "36 FR 22421, Nov. 25, 1971, unless otherwise noted."
cfr_part: "81"
---

# 81.356 Virgin Islands.

Virgin 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 |
| --- | --- | --- | --- | --- |
| Virgin Islands AQCR: |  |  |  |  |
| St. Croix (southern) |  |  | X |  |
| Remainder of AQCR |  |  |  | X |
| EPA designation replaces State designation. |  |  |  |  |

Virgin Islands—2010 Sulfur Dioxide NAAQS

[Primary]

|  |  |  |
| --- | --- | --- |
| All of Virgin Islands AQCR 247 |  | Attainment/Unclassifiable. |
| 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. |  |  |
| This date is April 9, 2018, unless otherwise noted. |  |  |

Virgin Islands—Carbon Monoxide

|  |  |  |  |  |
| --- | --- | --- | --- | --- |
| Statewide |  | Unclassifiable/Attainment |  |  |
| St. Croix |  |  |  |  |
| St. John |  |  |  |  |
| St. Thomas |  |  |  |  |
| This date is November 15, 1990, unless otherwise noted. |  |  |  |  |

Virgin Islands—Ozone (1-Hour Standard)

|  |  |  |  |  |
| --- | --- | --- | --- | --- |
| Statewide |  | Unclassifiable/Attainment |  |  |
| St. Croix |  |  |  |  |
| St. John |  |  |  |  |
| St. Thomas |  |  |  |  |
| This date is October 18, 2000, unless otherwise noted. |  |  |  |  |
| The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in the Virgin Islands. |  |  |  |  |

Virgin Islands—1997 Annual PM NAAQS

[Primary and Secondary]

|  |  |  |  |  |
| --- | --- | --- | --- | --- |
| Statewide: |  |  |  |  |
| St. Croix |  | Unclassifiable/Attainment. |  |  |
| St. John |  | Unclassifiable/Attainment. |  |  |
| St. Thomas |  | Unclassifiable/Attainment. |  |  |
| Includes Indian Country located in each county or area, except as otherwise specified. |  |  |  |  |
| This date is 90 days after January 5, 2005, unless otherwise noted. |  |  |  |  |

Virgin Islands—2012 Annual PM NAAQS

[Primary]

|  |  |  |  |  |
| --- | --- | --- | --- | --- |
| Territory wide: |  |  |  |  |
| St. Croix |  | Unclassifiable |  |  |
| St. John |  | Unclassifiable |  |  |
| St. Thomas |  | Unclassifiable |  |  |
| Includes areas of Indian country located in each county or area, except as otherwise specified. |  |  |  |  |
| This date is April 15, 2015, unless otherwise noted. |  |  |  |  |

Virgin Islands—1997 24-Hour PM NAAQS

[Primary and Secondary]

|  |  |  |  |  |
| --- | --- | --- | --- | --- |
| Territory wide: |  |  |  |  |
| St. Croix |  | Unclassifiable/Attainment. |  |  |
| St. John |  | Unclassifiable/Attainment. |  |  |
| St. Thomas |  | Unclassifiable/Attainment. |  |  |
| Includes Indian Country located in each county or area, except as otherwise specified. |  |  |  |  |
| This date is 90 days after November 13, 2009, unless otherwise noted. |  |  |  |  |

Virgin Islands—2006 24-Hour PM NAAQS

[Primary and Secondary]

|  |  |  |  |  |
| --- | --- | --- | --- | --- |
| Territory wide: |  |  |  |  |
| St. Croix |  | Unclassifiable/Attainment. |  |  |
| St. John |  | Unclassifiable/Attainment. |  |  |
| St. Thomas |  | Unclassifiable/Attainment. |  |  |
| Includes Indian Country located in each county or area, except as otherwise specified. |  |  |  |  |
| This date is 30 days after November 13, 2009, unless otherwise noted. |  |  |  |  |

Virgin Islands—NO (1971 Annual Standard)

| Designated area | Does not meet primary standards | Cannot be classified or better than national standards |
| --- | --- | --- |
| Virgin Islands AQCR |  | X |

Virgin Islands—NO (2010 1-Hour Standard)

|  |  |  |
| --- | --- | --- |
| State of Virgin Islands |  | Unclassifiable/Attainment. |
| Includes Indian Country located in each county or area, except as otherwise specified. |  |  |
| This date is 90 days after October 31, 2011, unless otherwise noted. |  |  |

Virgin Islands—1997 8-Hour Ozone NAAQS

[Primary and Secondary]

|  |  |  |  |  |
| --- | --- | --- | --- | --- |
| Statewide |  | Unclassifiable/Attainment |  |  |
| St. Croix |  |  |  |  |
| St. John |  |  |  |  |
| St. Thomas |  |  |  |  |
| This date is June 15, 2004, unless otherwise noted. |  |  |  |  |

Virgin Islands—2008 8-Hour Ozone NAAQS

[Primary and Secondary]

|  |  |  |  |  |
| --- | --- | --- | --- | --- |
| All of Virgin Islands AQCR 247: |  | Unclassifiable/Attainment |  |  |
| This date is July 20, 2012, unless otherwise noted. |  |  |  |  |
| Includes any Indian country in each county or area, unless otherwise specified. |  |  |  |  |

Virgin Islands—2015 8-Hour Ozone NAAQS

[Primary and Secondary]

|  |  |  |  |  |
| --- | --- | --- | --- | --- |
| All of Virgin Islands AQCR 247 |  | Attainment/Unclassifiable |  |  |
| 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. |  |  |  |  |
| This date is January 16, 2018, unless otherwise noted. |  |  |  |  |

Virgin Islands—2008 Lead NAAQS

|  |  |  |
| --- | --- | --- |
| Whole State |  | Unclassifiable/Attainment. |
| Includes Indian Country located in each county or area, except as otherwise specified. |  |  |
| December 31, 2011 unless otherwise noted. |  |  |

[44 FR 5133, Jan. 25, 1979]

For  citations affecting § 81.356, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at