Hawaii—TSP

Designated areaDoes not meet primary standardsDoes not meet secondary standardsCannot be classifiedBetter than national standards
Hawaii IslandX 1
Rest of the StateX

Hawaii—1971 Sulfur Dioxide NAAQS

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[Primary and Secondary]

Designated areaDoes not meet primary standardsDoes not meet secondary standardsCannot be classifiedBetter than national standards
Whole StateX

1 EPA designation replaces State designation.

Hawaii—2010 Sulfur Dioxide NAAQS

[Primary]

Designated area 1Designation
Date 2Type
Hawaii County9/12/16Attainment/Unclassifiable.
Honolulu County4/30/2021Attainment/Unclassifiable.
Kalawao CountyAttainment/Unclassifiable.
Kauai CountyAttainment/Unclassifiable.
Maui CountyAttainment/Unclassifiable.

1Includes 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.

Hawaii—Carbon Monoxide

Designated AreaDesignationClassification
Date 1TypeDate 1Type
StatewideUnclassifiable/Attainment
Hawaii County
Honolulu County
Kalawao
Kauai County
Maui County

1 This date is November 15, 1990, unless otherwise noted.

Hawaii—Ozone (1-Hour Standard)2

Designated area Designation Classification
Date1 Type Date1 Type
StatewideUnclassifiable/Attainment
Hawaii County
Honolulu County
Kalawao
Kauai County
Maui County

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 Hawaii.

Hawaii—1997 Annual PM2.5 NAAQS

[Primary and Secondary]

Designated areaDesignation aClassification
Date 1TypeDateType
Statewide:
Hawaii CountyUnclassifiable/Attainment
Honolulu CountyUnclassifiable/Attainment
Kalawao CountyUnclassifiable/Attainment
Kauai CountyUnclassifiable/Attainment
Maui CountyUnclassifiable/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.

Hawaii—2012 Annual PM2.5 NAAQS

[Primary]

Designated area 1DesignationClassification
Date 2TypeDate 2Type
Statewide:
Hawaii CountyUnclassifiable/Attainment
Honolulu CountyUnclassifiable/Attainment
Kalawao CountyUnclassifiable/Attainment
Kauai CountyUnclassifiable/Attainment
Maui CountyUnclassifiable/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.

Hawaii—1997 24-Hour PM2.5 NAAQS

[Primary and Secondary]

Designated areaDesignation aClassification
Date 1TypeDateType
Statewide:
Hawaii CountyUnclassifiable/Attainment
Honolulu CountyUnclassifiable/Attainment
Kalawao CountyUnclassifiable/Attainment
Kauai CountyUnclassifiable/Attainment
Maui CountyUnclassifiable/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.

Hawaii—2006 24-Hour PM2.5 NAAQS

[Primary and Secondary]

Designated areaDesignation aClassification
Date 1TypeDateType
Statewide:
Hawaii CountyUnclassifiable/Attainment
Honolulu CountyUnclassifiable/Attainment
Kalawao CountyUnclassifiable/Attainment
Kauai CountyUnclassifiable/Attainment
Maui CountyUnclassifiable/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.

Hawaii—NO2 (1971 Annual Standard)

Designated areaDoes not meet primary standardsCannot be classified or better than national standards
Whole StateX

Hawaii—NO2 (2010 1-Hour Standard)

Designated areaDesignation a
Date 1Type
Hawaii CountyUnclassifiable/Attainment.
Honolulu CountyUnclassifiable/Attainment.
Kalawao CountyUnclassifiable/Attainment.
Kauai CountyUnclassifiable/Attainment.
Maui CountyUnclassifiable/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.

Hawaii—1997 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area Designation aCategory/classification
Date 1Type Date 1Type
StatewideUnclassifiable Attainment
Hawaii County
Honolulu County
Kalawao County
Kauai County
Maui County

a Includes Indian Country located in each county or area, except as otherwise specified.

1 This date is June 15, 2004, unless otherwise noted.

Hawaii—2008 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area 2DesignationClassification
Date 1TypeDate 1Type
Hawaii CountyUnclassifiable/Attainment
Honolulu CountyUnclassifiable/Attainment
Kalawao CountyUnclassifiable/Attainment
Kauai CountyUnclassifiable/Attainment
Maui CountyUnclassifiable/Attainment

1 This date is July 20, 2012, unless otherwise noted.

2 Includes any Indian country in each county or area, unless otherwise specified.

Hawaii—2015 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area 1DesignationClassification
Date 2TypeDateType
Hawaii CountyAttainment/Unclassifiable
Honolulu CountyAttainment/Unclassifiable
Kalawao CountyAttainment/Unclassifiable
Kauai CountyAttainment/Unclassifiable
Maui CountyAttainment/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.

Hawaii—2008 Lead NAAQS

Designated areaDesignation for the 2008 NAAQS a
Date 1Type
Whole StateUnclassifiable/Attainment.

a Includes Indian Country located in each county or area, except as otherwise specified.

1 December 31, 2011 unless otherwise noted.

[43 FR 8964, Mar. 3, 1978]Editorial Note:For Federal Register citations affecting § 81.312, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.govinfo.gov.