Federal regulations · Through 2026-08-25 · Newer source version available

40 CFR 81.312: Hawaii.

Hawaii—TSP
Designated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards
Hawaii Island X 1
Rest of the State X
Hawaii—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 X
1 EPA designation replaces State designation.
Hawaii—2010 Sulfur Dioxide NAAQS
[Primary]
Designated area 1 Designation
Date 2 Type
Hawaii County 9/12/2016 Attainment/Unclassifiable.
Honolulu County 4/30/2021 Attainment/Unclassifiable.
Kalawao County Attainment/Unclassifiable.
Kauai County Attainment/Unclassifiable.
Maui County 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.
Hawaii—Carbon Monoxide
Designated Area Designation Classification
Date 1 Type Date 1 Type
Statewide Unclassifiable/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
Statewide Unclassifiable/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 area Designation a Classification
Date 1 Type Date Type
Statewide:
Hawaii County Unclassifiable/Attainment
Honolulu County Unclassifiable/Attainment
Kalawao County Unclassifiable/Attainment
Kauai County Unclassifiable/Attainment
Maui County 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.
Hawaii—2012 Annual PM2.5 NAAQS
[Primary]
Designated area 1 Designation Classification
Date 2 Type Date 2 Type
Statewide:
Hawaii County Unclassifiable/Attainment
Honolulu County Unclassifiable/Attainment
Kalawao County Unclassifiable/Attainment
Kauai County Unclassifiable/Attainment
Maui County 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.
Hawaii—1997 24-Hour PM2.5 NAAQS
[Primary and Secondary]
Designated area Designation a Classification
Date 1 Type Date Type
Statewide:
Hawaii County Unclassifiable/Attainment
Honolulu County Unclassifiable/Attainment
Kalawao County Unclassifiable/Attainment
Kauai County Unclassifiable/Attainment
Maui County 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.
Hawaii—2006 24-Hour PM2.5 NAAQS
[Primary and Secondary]
Designated area Designation a Classification
Date 1 Type Date Type
Statewide:
Hawaii County Unclassifiable/Attainment
Honolulu County Unclassifiable/Attainment
Kalawao County Unclassifiable/Attainment
Kauai County Unclassifiable/Attainment
Maui County 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.
Hawaii—NO2 (1971 Annual Standard)
Designated area Does not meet primary standards Cannot be classified or better than national standards
Whole State X
Hawaii—NO2 (2010 1-Hour Standard)
Designated area Designation a
Date 1 Type
Hawaii County Unclassifiable/Attainment.
Honolulu County Unclassifiable/Attainment.
Kalawao County Unclassifiable/Attainment.
Kauai County Unclassifiable/Attainment.
Maui County 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.
Hawaii—1997 8-Hour Ozone NAAQS
[Primary and Secondary]
Designated area Designation a Category/classification
Date 1 Type Date 1 Type
Statewide Unclassifiable 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 2 Designation Classification
Date 1 Type Date 1 Type
Hawaii County Unclassifiable/Attainment
Honolulu County Unclassifiable/Attainment
Kalawao County Unclassifiable/Attainment
Kauai County Unclassifiable/Attainment
Maui County Unclassifiable/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 1 Designation Classification
Date 2 Type Date Type
Hawaii County Attainment/Unclassifiable
Honolulu County Attainment/Unclassifiable
Kalawao County Attainment/Unclassifiable
Kauai County Attainment/Unclassifiable
Maui County 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.
Hawaii—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.

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

Hawaii—TSP

Designated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards

Hawaii Island X 1

Rest of the State X

Hawaii—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 X

1 EPA designation replaces State designation.

Hawaii—2010 Sulfur Dioxide NAAQS

[Primary]

Designated area 1 Designation

Date 2 Type

Hawaii County 9/12/2016 Attainment/Unclassifiable.

Honolulu County 4/30/2021 Attainment/Unclassifiable.

Kalawao County Attainment/Unclassifiable.

Kauai County Attainment/Unclassifiable.

Maui County 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.

Hawaii—Carbon Monoxide

Designated Area Designation Classification

Date 1 Type Date 1 Type

Statewide Unclassifiable/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

Statewide Unclassifiable/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 area Designation a Classification

Date 1 Type Date Type

Statewide:

Hawaii County Unclassifiable/Attainment

Honolulu County Unclassifiable/Attainment

Kalawao County Unclassifiable/Attainment

Kauai County Unclassifiable/Attainment

Maui County 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.

Hawaii—2012 Annual PM2.5 NAAQS

[Primary]

Designated area 1 Designation Classification

Date 2 Type Date 2 Type

Statewide:

Hawaii County Unclassifiable/Attainment

Honolulu County Unclassifiable/Attainment

Kalawao County Unclassifiable/Attainment

Kauai County Unclassifiable/Attainment

Maui County 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.

Hawaii—1997 24-Hour PM2.5 NAAQS

[Primary and Secondary]

Designated area Designation a Classification

Date 1 Type Date Type

Statewide:

Hawaii County Unclassifiable/Attainment

Honolulu County Unclassifiable/Attainment

Kalawao County Unclassifiable/Attainment

Kauai County Unclassifiable/Attainment

Maui County 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.

Hawaii—2006 24-Hour PM2.5 NAAQS

[Primary and Secondary]

Designated area Designation a Classification

Date 1 Type Date Type

Statewide:

Hawaii County Unclassifiable/Attainment

Honolulu County Unclassifiable/Attainment

Kalawao County Unclassifiable/Attainment

Kauai County Unclassifiable/Attainment

Maui County 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.

Hawaii—NO2 (1971 Annual Standard)

Designated area Does not meet primary standards Cannot be classified or better than national standards

Whole State X

Hawaii—NO2 (2010 1-Hour Standard)

Designated area Designation a

Date 1 Type

Hawaii County Unclassifiable/Attainment.

Honolulu County Unclassifiable/Attainment.

Kalawao County Unclassifiable/Attainment.

Kauai County Unclassifiable/Attainment.

Maui County 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.

Hawaii—1997 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area Designation a Category/classification

Date 1 Type Date 1 Type

Statewide Unclassifiable 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 2 Designation Classification

Date 1 Type Date 1 Type

Hawaii County Unclassifiable/Attainment

Honolulu County Unclassifiable/Attainment

Kalawao County Unclassifiable/Attainment

Kauai County Unclassifiable/Attainment

Maui County Unclassifiable/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 1 Designation Classification

Date 2 Type Date Type

Hawaii County Attainment/Unclassifiable

Honolulu County Attainment/Unclassifiable

Kalawao County Attainment/Unclassifiable

Kauai County Attainment/Unclassifiable

Maui County Attainment/Unclassifiable

2 This date is January 16, 2018, unless otherwise noted.

Hawaii—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.

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