40 CFR 81.319: Louisiana.

Louisiana—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

AQCR 019 X

AQCR 022 X

AQCR 106 X

Louisiana—2010 Sulfur Dioxide NAAQS

[Primary]

Designated area 1 Designation

Date 2 Type

Evangeline Parish (Partial) Nonattainment.

Portion of Evangeline Parish bounded by:

570250m E, 3400300m N

570250m E, 3403300m N

572400m E, 3403300m N

572400m E, 3400300m N

NAD83 15R

St. Bernard Parish, LA 10/4/2013 Nonattainment.

Calcasieu Parish, LA 9/12/2016 Unclassifiable.

St. Mary Parish Unclassifiable.

Acadia Parish Attainment/Unclassifiable.

Allen Parish Attainment/Unclassifiable.

Assumption Parish Attainment/Unclassifiable.

Avoyelles Parish Attainment/Unclassifiable.

Beauregard Parish Attainment/Unclassifiable.

Bienville Parish Attainment/Unclassifiable.

Bossier Parish Attainment/Unclassifiable.

Caddo Parish Attainment/Unclassifiable.

Caldwell Parish Attainment/Unclassifiable.

Cameron Parish Attainment/Unclassifiable.

Catahoula Parish Attainment/Unclassifiable.

Claiborne Parish Attainment/Unclassifiable.

Concordia Parish Attainment/Unclassifiable.

De Soto Parish 9/12/2016 Attainment/Unclassifiable.

East Baton Rouge Parish 4/30/2021 Attainment/Unclassifiable.

East Carroll Parish Attainment/Unclassifiable.

East Feliciana Parish Attainment/Unclassifiable.

Evangeline Parish (part) (remainder) Attainment/Unclassifiable.

Franklin Parish Attainment/Unclassifiable.

Grant Parish Attainment/Unclassifiable.

Iberia Parish Attainment/Unclassifiable.

Iberville Parish Attainment/Unclassifiable.

Jackson Parish Attainment/Unclassifiable.

Jefferson Parish Attainment/Unclassifiable.

Jefferson Davis Parish Attainment/Unclassifiable.

Lafayette Parish Attainment/Unclassifiable.

Lafourche Parish Attainment/Unclassifiable.

LaSalle Parish Attainment/Unclassifiable.

Lincoln Parish Attainment/Unclassifiable.

Livingston Parish Attainment/Unclassifiable.

Madison Parish Attainment/Unclassifiable.

Morehouse Parish Attainment/Unclassifiable.

Natchitoches Parish Attainment/Unclassifiable.

Orleans Parish Attainment/Unclassifiable.

Ouachita Parish Attainment/Unclassifiable.

Plaquemines Parish Attainment/Unclassifiable.

Point Coupee Attainment/Unclassifiable.

Rapides Parish Attainment/Unclassifiable.

Red River Parish Attainment/Unclassifiable.

Richland Parish Attainment/Unclassifiable.

Sabine Parish Attainment/Unclassifiable.

St. Charles Parish 4/30/2021 Attainment/Unclassifiable.

St. Helena Parish Attainment/Unclassifiable.

St. James Parish 4/30/2021 Attainment/Unclassifiable.

St. John the Baptist Parish Attainment/Unclassifiable.

St. Landry Parish Attainment/Unclassifiable.

St. Martin Parish Attainment/Unclassifiable.

St. Mary Parish Attainment/Unclassifiable.

St. Tammany Parish Attainment/Unclassifiable.

Tangipahoa Parish Attainment/Unclassifiable.

Tensas Parish Attainment/Unclassifiable.

Terrebonne Parish Attainment/Unclassifiable.

Union Parish Attainment/Unclassifiable.

Vermilion Parish Attainment/Unclassifiable.

Vernon Parish Attainment/Unclassifiable.

Washington Parish Attainment/Unclassifiable.

Webster Parish Attainment/Unclassifiable.

West Baton Rouge Parish 4/30/2021 Attainment/Unclassifiable.

West Carroll Parish Attainment/Unclassifiable.

Winn Parish 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.

Louisiana—Carbon Monoxide

Designated area Designation Classification

Date 1 Type Date 1 Type

AQCR 019 Monroe-El Dorado Interstate Unclassifiable/Attainment

Caldwell Parish

Catahoula Parish

Concordia Parish

East Carroll Parish

Franklin Parish

Grant Parish

La Salle Parish

Madison Parish

Morehouse Parish

Ouachita Parish

Richland Parish

Tensas Parish

Union Parish

West Carroll Parish

AQCR 022 Shreveport-Texarkana-Tyler Interstate Unclassifiable/Attainment

Avoyelles Parish

Bienville Parish

Bossier Parish

Caddo Parish

Claiborne Parish

De Soto Parish

Jackson Parish

Lincoln Parish

Natchitoches Parish

Rapides Parish

Red River Parish

Sabine Parish

Vernon Parish

Webster Parish

Winn Parish

AQCR 106 Southern Louisiana-Southeast Texas Interstate Unclassifiable/Attainment

Acadia Parish

Allen Parish

Ascension Parish

Assumption Parish

Beauregard Parish

Calcasieu Parish

Cameron Parish

East Baton Rouge Parish

East Feliciana Parish

Evangeline Parish

Iberia Parish

Iberville Parish

Jefferson Davis Parish

Jefferson Parish

Lafayette Parish

Lafourche Parish

Livingston Parish

Orleans Parish

Plaquemines Parish

Pointe Coupee Parish

St. Bernard Parish

St. Charles Parish

St. Helena Parish

St. James Parish

St. John the Baptist Parish

St. Landry Parish

St. Martin Parish

St. Mary Parish

St. Tammany Parish

Tangipahoa Parish

Terrebonne Parish

Vermilion Parish

Washington Parish

West Baton Route Parish

West Feliciana Parish

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

Louisiana—1978 Lead NAAQS.

Designated area Designation Classification

Date Type Date Type

East Baton Rouge Parish 1/6/1992 Unclassifiable

Rest of State Not Designated

Louisiana—Ozone (1-Hour Standard)2

Designated area Designation Classification

Date 1 Type Date 1 Type

Baton Rouge Area:

Ascension Parish 11/15/1990 Nonattainment 6/23/2003 Severe.

East Baton Rouge Parish 11/15/1990 Nonattainment 6/23/2003 Severe.

Iberville Parish 11/15/1990 Nonattainment 6/23/2003 Severe.

Livingston Parish 11/15/1990 Nonattainment 6/23/2003 Severe.

West Baton Rouge Parish 11/15/1990 Nonattainment 6/23/2003 Severe.

Beauregard Parish Area:

Beauregard Parish Attainment

Grant Parish Area:

Grant Parish Attainment

Lafayette Area:

Lafayette Parish Attainment

Lafourche Parish Area:

Lafourche Parish 2/25/2002 Attainment

Lake Charles Area:

Calcasieu Parish Attainment

New Orleans Area:

Jefferson Parish Attainment

Orleans Parish Attainment

St. Bernard Parish Attainment

St. Charles Parish Attainment

Pointe Coupee Area:

Pointe Coupee Parish Attainment

St. James Parish Area:

St. James Parish Attainment

St. Mary Parish Area:

St. Mary Parish Attainment

AQCR 019 Monroe-El Dorado Interstate Unclassifiable/Attainment

Caldwell Parish

Catahoula Parish

Concordia Parish

East Carroll Parish

Franklin Parish

La Salle Parish

Madison Parish

Morehouse Parish

Ouachita Parish

Richland Parish

Tensas Parish

Union Parish

West Carroll Parish

AQCR 022 Shreveport-Texarkana-Tyler Interstate Unclassifiable/Attainment

Avoyelles Parish

Bienville Parish

Bossier Parish

Caddo Parish

Claiborne Parish

De Soto Parish

Jackson Parish

Lincoln Parish

Natchitoches Parish

Rapides Parish

Red River Parish

Sabine Parish

Vernon Parish

Webster Parish

Winn Parish

AQCR 106 Southern Louisiana-Southeast Texas Interstate Unclassifiable/Attainment

Acadia Parish

Allen Parish

Assumption Parish

Cameron Parish

East Feliciana Parish

Evangeline Parish

Iberia Parish

Jefferson Davis Parish

Plaquemines Parish

St. Helena Parish

St. John the Baptist Parish

St. Landry Parish

St. Martin Parish

St. Tammany Parish

Tangipahoa Parish

Terrebonne Parish

Vermilion Parish

Washington Parish

West Feliciana Parish

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 Louisiana. The Lafayette, Lake Charles, New Orleans, Pointe Coupee Parish, Beauregard Par, Grant Par, LaFourche Par, St James Par, and St Mary Par areas are maintenance areas for the 1-hour NAAQS for purposes of 40 CFR part 51 subpart X.

Louisiana—1997 Annual PM2.5 NAAQS

[Primary and Secondary]

Designated area Designation a Classification

Date 1 Type Date Type

AQCR 019 Monroe-El Dorado Interstate:

Caldwell Parish Unclassifiable/Attainment.

Catahoula Parish Unclassifiable/Attainment.

Concordia Parish Unclassifiable/Attainment.

East Carroll Parish Unclassifiable/Attainment.

Franklin Parish Unclassifiable/Attainment.

La Salle Parish Unclassifiable/Attainment.

Madison Parish Unclassifiable/Attainment.

Morehouse Parish Unclassifiable/Attainment.

Ouachita Parish Unclassifiable/Attainment.

Richland Parish Unclassifiable/Attainment.

Tensas Parish Unclassifiable/Attainment.

Union Parish Unclassifiable/Attainment.

West Carroll Parish Unclassifiable/Attainment.

AQCR 022 Shreveport-Texarkana-Tyler Interstate: Unclassifiable/Attainment.

Bienville Parish Unclassifiable/Attainment.

Bossier Parish Unclassifiable/Attainment.

Caddo Parish Unclassifiable/Attainment.

Claiborne Parish Unclassifiable/Attainment.

De Soto Parish Unclassifiable/Attainment.

Jackson Parish Unclassifiable/Attainment.

Lincoln Parish Unclassifiable/Attainment.

Natchitoches Parish Unclassifiable/Attainment.

Red River Parish Unclassifiable/Attainment.

Sabine Parish Unclassifiable/Attainment.

Webster Parish Unclassifiable/Attainment.

Winn Parish Unclassifiable/Attainment.

AQCR 106 S. Louisiana-S.E. Texas Interstate: Unclassifiable/Attainment.

Acadia Parish Unclassifiable/Attainment.

Allen Parish Unclassifiable/Attainment.

Ascension Parish Unclassifiable/Attainment.

Assumption Parish Unclassifiable/Attainment.

Avoyelles Parish Unclassifiable/Attainment.

Beauregard Parish Unclassifiable/Attainment.

Calcasieu Parish Unclassifiable/Attainment.

Cameron Parish Unclassifiable/Attainment.

East Baton Rouge Parish Unclassifiable/Attainment.

East Feliciana Parish Unclassifiable/Attainment.

Evangeline Parish Unclassifiable/Attainment.

Grant Parish Unclassifiable/Attainment.

Iberia Parish Unclassifiable/Attainment.

Iberville Parish Unclassifiable/Attainment.

Jefferson Davis Parish Unclassifiable/Attainment.

Jefferson Parish Unclassifiable/Attainment.

Lafayette Parish Unclassifiable/Attainment.

Lafourche Parish Unclassifiable/Attainment.

Livingston Parish Unclassifiable/Attainment.

Orleans Parish Unclassifiable/Attainment.

Plaquemines Parish Unclassifiable/Attainment.

Pointe Coupee Parish Unclassifiable/Attainment.

Rapides Parish Unclassifiable/Attainment.

St. Bernard Parish Unclassifiable/Attainment.

St. Charles Parish Unclassifiable/Attainment.

St. Helena Parish Unclassifiable/Attainment.

St. James Parish Unclassifiable/Attainment.

St. John the Baptist Parish Unclassifiable/Attainment.

St. Landry Parish Unclassifiable/Attainment.

St. Martin Parish Unclassifiable/Attainment.

St. Tammany Parish Unclassifiable/Attainment.

Tangipahoa Parish Unclassifiable/Attainment.

Terrebonne Parish Unclassifiable/Attainment.

Vermilion Parish Unclassifiable/Attainment.

Vernon Parish Unclassifiable/Attainment.

Washington Parish Unclassifiable/Attainment.

West Baton Rouge Parish Unclassifiable/Attainment.

West Feliciana Parish 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.

Louisiana—2012 Annual PM2.5 NAAQS

[Primary]

Designated area 1 Designation Classification

Date 2 Type Date 2 Type

AQCR 019 Monroe-El Dorado Interstate:

Caldwell Parish Unclassifiable/Attainment

Catahoula Parish Unclassifiable/Attainment

Concordia Parish Unclassifiable/Attainment

East Carroll Parish Unclassifiable/Attainment

Franklin Parish Unclassifiable/Attainment

La Salle Parish Unclassifiable/Attainment

Madison Parish Unclassifiable/Attainment

Morehouse Parish Unclassifiable/Attainment

Ouachita Parish Unclassifiable/Attainment

Richland Parish Unclassifiable/Attainment

Tensas Parish Unclassifiable/Attainment

Union Parish Unclassifiable/Attainment

West Carroll Parish Unclassifiable/Attainment

AQCR 022 Shreveport-Texarkana-Tyler Interstate:

Bienville Parish Unclassifiable/Attainment

Bossier Parish Unclassifiable/Attainment

Caddo Parish Unclassifiable/Attainment

Claiborne Parish Unclassifiable/Attainment

De Soto Parish Unclassifiable/Attainment

Jackson Parish Unclassifiable/Attainment

Lincoln Parish Unclassifiable/Attainment

Natchitoches Parish Unclassifiable/Attainment

Red River Parish Unclassifiable/Attainment

Sabine Parish Unclassifiable/Attainment

Webster Parish Unclassifiable/Attainment

Winn Parish Unclassifiable/Attainment

AQCR 106 S. Louisiana-S.E. Texas Interstate:

Acadia Parish Unclassifiable/Attainment

Allen Parish Unclassifiable/Attainment

Ascension Parish Unclassifiable/Attainment

Assumption Parish Unclassifiable/Attainment

Avoyelles Parish Unclassifiable/Attainment

Beauregard Parish Unclassifiable/Attainment

Calcasieu Parish Unclassifiable/Attainment

Cameron Parish Unclassifiable/Attainment

East Baton Rouge Parish Unclassifiable/Attainment

East Feliciana Parish Unclassifiable/Attainment

Evangeline Parish Unclassifiable/Attainment

Grant Parish Unclassifiable/Attainment

Iberia Parish Unclassifiable/Attainment

Iberville Parish Unclassifiable/Attainment

Jefferson Davis Parish Unclassifiable/Attainment

Jefferson Parish Unclassifiable/Attainment

Lafayette Parish Unclassifiable/Attainment

Lafourche Parish Unclassifiable/Attainment

Livingston Parish Unclassifiable/Attainment

Orleans Parish Unclassifiable/Attainment

Plaquemines Parish Unclassifiable/Attainment

Pointe Coupee Parish Unclassifiable/Attainment

Rapides Parish Unclassifiable/Attainment

St. Bernard Parish Unclassifiable/Attainment

St. Charles Parish Unclassifiable/Attainment

St. Helena Parish Unclassifiable/Attainment

St. James Parish Unclassifiable/Attainment

St. John the Baptist Parish Unclassifiable/Attainment

St. Landry Parish Unclassifiable/Attainment

St. Martin Parish Unclassifiable/Attainment

St. Tammany Parish Unclassifiable/Attainment

Tangipahoa Parish Unclassifiable/Attainment

Terrebonne Parish Unclassifiable/Attainment

Vermilion Parish Unclassifiable/Attainment

Vernon Parish Unclassifiable/Attainment

Washington Parish Unclassifiable/Attainment

West Baton Rouge Parish Unclassifiable/Attainment

West Feliciana Parish 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.

Louisiana—1997 24-Hour PM2.5 NAAQS

[Primary and Secondary]

Designated area Designation a Classification

Date 1 Type Date Type

AQCR 019 Monroe-El Dorado Interstate:

Caldwell Parish Unclassifiable/Attainment.

Catahoula Parish Unclassifiable/Attainment.

Concordia Parish Unclassifiable/Attainment.

East Carroll Parish Unclassifiable/Attainment.

Franklin Parish Unclassifiable/Attainment.

La Salle Parish Unclassifiable/Attainment.

Madison Parish Unclassifiable/Attainment.

Morehouse Parish Unclassifiable/Attainment.

Ouachita Parish Unclassifiable/Attainment.

Richland Parish Unclassifiable/Attainment.

Tensas Parish Unclassifiable/Attainment.

Union Parish Unclassifiable/Attainment.

West Carroll Parish Unclassifiable/Attainment.

AQCR 022 Shreveport-Texarkana-Tyler Interstate:

Bienville Parish Unclassifiable/Attainment.

Bossier Parish Unclassifiable/Attainment.

Caddo Parish Unclassifiable/Attainment.

Claiborne Parish Unclassifiable/Attainment.

De Soto Parish Unclassifiable/Attainment.

Jackson Parish Unclassifiable/Attainment.

Lincoln Parish Unclassifiable/Attainment.

Natchitoches Parish Unclassifiable/Attainment.

Red River Parish Unclassifiable/Attainment.

Sabine Parish Unclassifiable/Attainment.

Webster Parish Unclassifiable/Attainment.

Winn Parish Unclassifiable/Attainment.

AQCR 106 S. Louisiana-S.E. Texas Interstate:

Acadia Parish Unclassifiable/Attainment.

Allen Parish Unclassifiable/Attainment.

Ascension Parish Unclassifiable/Attainment.

Assumption Parish Unclassifiable/Attainment.

Avoyelles Parish Unclassifiable/Attainment.

Beauregard Parish Unclassifiable/Attainment.

Calcasieu Parish Unclassifiable/Attainment.

Cameron Parish Unclassifiable/Attainment.

East Baton Rouge Parish Unclassifiable/Attainment.

East Feliciana Parish Unclassifiable/Attainment.

Evangeline Parish Unclassifiable/Attainment.

Grant Parish Unclassifiable/Attainment.

Iberia Parish Unclassifiable/Attainment.

Iberville Parish Unclassifiable/Attainment.

Jefferson Davis Parish Unclassifiable/Attainment.

Jefferson Parish Unclassifiable/Attainment.

Lafayette Parish Unclassifiable/Attainment.

Lafourche Parish Unclassifiable/Attainment.

Livingston Parish Unclassifiable/Attainment.

Orleans Parish Unclassifiable/Attainment.

Plaquemines Parish Unclassifiable/Attainment.

Pointe Coupee Parish Unclassifiable/Attainment.

Rapides Parish Unclassifiable/Attainment.

St. Bernard Parish Unclassifiable/Attainment.

St. Charles Parish Unclassifiable/Attainment.

St. Helena Parish Unclassifiable/Attainment.

St. James Parish Unclassifiable/Attainment.

St. John the Baptist Parish Unclassifiable/Attainment.

St. Landry Parish Unclassifiable/Attainment.

St. Martin Parish Unclassifiable/Attainment.

St. Tammany Parish Unclassifiable/Attainment.

Tangipahoa Parish Unclassifiable/Attainment.

Terrebonne Parish Unclassifiable/Attainment.

Vermilion Parish Unclassifiable/Attainment.

Vernon Parish Unclassifiable/Attainment.

Washington Parish Unclassifiable/Attainment.

West Baton Rouge Parish Unclassifiable/Attainment.

West Feliciana Parish 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.

Louisiana—2006 24-Hour PM2.5 NAAQS

[Primary and Secondary]

Designated area Designation a Classification

Date 1 Type Date Type

AQCR 019 Monroe-El Dorado Interstate:

Caldwell Parish Unclassifiable/Attainment.

Catahoula Parish Unclassifiable/Attainment.

Concordia Parish Unclassifiable/Attainment.

East Carroll Parish Unclassifiable/Attainment.

Franklin Parish Unclassifiable/Attainment.

La Salle Parish Unclassifiable/Attainment.

Madison Parish Unclassifiable/Attainment.

Morehouse Parish Unclassifiable/Attainment.

Ouachita Parish Unclassifiable/Attainment.

Richland Parish Unclassifiable/Attainment.

Tensas Parish Unclassifiable/Attainment.

Union Parish Unclassifiable/Attainment.

West Carroll Parish Unclassifiable/Attainment.

AQCR 022 Shreveport-Texarkana-Tyler Interstate:

Bienville Parish Unclassifiable/Attainment.

Bossier Parish Unclassifiable/Attainment.

Caddo Parish Unclassifiable/Attainment.

Claiborne Parish Unclassifiable/Attainment.

De Soto Parish Unclassifiable/Attainment.

Jackson Parish Unclassifiable/Attainment.

Lincoln Parish Unclassifiable/Attainment.

Natchitoches Parish Unclassifiable/Attainment.

Red River Parish Unclassifiable/Attainment.

Sabine Parish Unclassifiable/Attainment.

Webster Parish Unclassifiable/Attainment.

Winn Parish Unclassifiable/Attainment.

AQCR 106 S. Louisiana-S.E. Texas Interstate:

Acadia Parish Unclassifiable/Attainment.

Allen Parish Unclassifiable/Attainment.

Ascension Parish Unclassifiable/Attainment.

Assumption Parish Unclassifiable/Attainment.

Avoyelles Parish Unclassifiable/Attainment.

Beauregard Parish Unclassifiable/Attainment.

Calcasieu Parish Unclassifiable/Attainment.

Cameron Parish Unclassifiable/Attainment.

East Baton Rouge Parish Unclassifiable/Attainment.

East Feliciana Parish Unclassifiable/Attainment.

Evangeline Parish Unclassifiable/Attainment.

Grant Parish Unclassifiable/Attainment.

Iberia Parish Unclassifiable/Attainment.

Iberville Parish Unclassifiable/Attainment.

Jefferson Davis Parish Unclassifiable/Attainment.

Jefferson Parish Unclassifiable/Attainment.

Lafayette Parish Unclassifiable/Attainment.

Lafourche Parish Unclassifiable/Attainment.

Livingston Parish Unclassifiable/Attainment.

Orleans Parish Unclassifiable/Attainment.

Plaquemines Parish Unclassifiable/Attainment.

Pointe Coupee Parish Unclassifiable/Attainment.

Rapides Parish Unclassifiable/Attainment.

St. Bernard Parish Unclassifiable/Attainment.

St. Charles Parish Unclassifiable/Attainment.

St. Helena Parish Unclassifiable/Attainment.

St. James Parish Unclassifiable/Attainment.

St. John the Baptist Parish Unclassifiable/Attainment.

St. Landry Parish Unclassifiable/Attainment.

St. Martin Parish Unclassifiable/Attainment.

St. Tammany Parish Unclassifiable/Attainment.

Tangipahoa Parish Unclassifiable/Attainment.

Terrebonne Parish Unclassifiable/Attainment.

Vermilion Parish Unclassifiable/Attainment.

Vernon Parish Unclassifiable/Attainment.

Washington Parish Unclassifiable/Attainment.

West Baton Rouge Parish Unclassifiable/Attainment.

West Feliciana Parish 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.

Louisiana—NO2 (1971 Annual Standard)

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

AQCR 019 X

AQCR 022 X

AQCR 106 X

Louisiana—NO2 (2010 1-Hour Standard)

Designated area Designation a

Date 1 Type

Acadia Parish Unclassifiable/Attainment.

Allen Parish Unclassifiable/Attainment.

Ascension Parish Unclassifiable/Attainment.

Assumption Parish Unclassifiable/Attainment.

Avoyelles Parish Unclassifiable/Attainment.

Beauregard Parish Unclassifiable/Attainment.

Bienville Parish Unclassifiable/Attainment.

Bossier Parish Unclassifiable/Attainment.

Caddo Parish Unclassifiable/Attainment.

Calcasieu Parish Unclassifiable/Attainment.

Caldwell Parish Unclassifiable/Attainment.

Cameron Parish Unclassifiable/Attainment.

Catahoula Parish Unclassifiable/Attainment.

Claiborne Parish Unclassifiable/Attainment.

Concordia Parish Unclassifiable/Attainment.

De Soto Parish Unclassifiable/Attainment.

East Baton Rouge Parish Unclassifiable/Attainment.

East Carroll Parish Unclassifiable/Attainment.

East Feliciana Parish Unclassifiable/Attainment.

Evangeline Parish Unclassifiable/Attainment.

Franklin Parish Unclassifiable/Attainment.

Grant Parish Unclassifiable/Attainment.

Iberia Parish Unclassifiable/Attainment.

Iberville Parish Unclassifiable/Attainment.

Jackson Parish Unclassifiable/Attainment.

Jefferson Davis Parish Unclassifiable/Attainment.

Jefferson Parish Unclassifiable/Attainment.

La Salle Parish Unclassifiable/Attainment.

Lafayette Parish Unclassifiable/Attainment.

Lafourche Parish Unclassifiable/Attainment.

Lincoln Parish Unclassifiable/Attainment.

Livingston Parish Unclassifiable/Attainment.

Madison Parish Unclassifiable/Attainment.

Morehouse Parish Unclassifiable/Attainment.

Natchitoches Parish Unclassifiable/Attainment.

Orleans Parish Unclassifiable/Attainment.

Ouachita Parish Unclassifiable/Attainment.

Plaquemines Parish Unclassifiable/Attainment.

Pointe Coupee Parish Unclassifiable/Attainment.

Rapides Parish Unclassifiable/Attainment.

Red River Parish Unclassifiable/Attainment.

Richland Parish Unclassifiable/Attainment.

Sabine Parish Unclassifiable/Attainment.

St. Bernard Parish Unclassifiable/Attainment.

St. Charles Parish Unclassifiable/Attainment.

St. Helena Parish Unclassifiable/Attainment.

St. James Parish Unclassifiable/Attainment.

St. John the Baptist Parish Unclassifiable/Attainment.

St. Landry Parish Unclassifiable/Attainment.

St. Martin Parish Unclassifiable/Attainment.

St. Tammany Parish Unclassifiable/Attainment.

Tangipahoa Parish Unclassifiable/Attainment.

Terrebonne Parish Unclassifiable/Attainment.

Tensas Parish Unclassifiable/Attainment.

Vermilion Parish Unclassifiable/Attainment.

Vernon Parish Unclassifiable/Attainment.

Union Parish Unclassifiable/Attainment.

Washington Parish Unclassifiable/Attainment.

Webster Parish Unclassifiable/Attainment.

West Baton Rouge Parish Unclassifiable/Attainment.

West Carroll Parish Unclassifiable/Attainment.

West Feliciana Parish Unclassifiable/Attainment.

Winn Parish 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.

Louisiana—PM-10

Designated area Designation Classification

Date Type Date Type

AQCR 019 11/15/1990 Unclassifiable

AQCR 022 11/15/1990 Unclassifiable

AQCR 106 11/15/1990 Unclassifiable

Louisiana—1997 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area Designation a Category/classification

Date 1 Type Date 1 Type

Baton Rouge Area:

Ascension Parish (2) Attainment

East Baton Rouge Parish (2) Attainment

Iberville Parish (2) Attainment

Livingston Parish (2) Attainment

West Baton Rouge Parish (2) Attainment

Beauregard Parish Area, LA:

Beauregard Parish Unclassifiable/Attainment

Grant Parish Area:

Grant Parish Unclassifiable/Attainment

Lafayette Area:

Lafayette Parish Unclassifiable/Attainment

Lafourche Parish Area:

Lafourche Parish Unclassifiable/Attainment

Lake Charles Area:

Calcasieu Parish Unclassifiable/Attainment

New Orleans Area:

Jefferson Parish Unclassifiable/Attainment

Orleans Parish Unclassifiable/Attainment

St. Bernard Parish Unclassifiable/Attainment

St. Charles Parish Unclassifiable/Attainment

Pointe Coupee Area:

Pointe Coupee Parish Unclassifiable/Attainment

St. James Parish Area:

St. James Parish Unclassifiable/Attainment

St. Mary Parish Area:

St. Mary Parish Unclassifiable/Attainment

AQCR 019 Monroe-El Dorado Interstate Unclassifiable/Attainment

Caldwell Parish

Catahoula Parish

Concordia Parish

East Carroll Parish

Franklin Parish

La Salle Parish

Madison Parish

Morehouse Parish

Ouachita Parish

Richland Parish

Tensas Parish

Union Parish

West Carroll Parish

AQCR 022 Shreveport-Texarkana-Tyler Interstate Unclassifiable/Attainment

Bienville Parish

Bossier Parish

Caddo Parish

Claiborne Parish

De Soto Parish

Jackson Parish

Lincoln Parish

Natchitoches Parish

Red River Parish

Sabine Parish

Webster Parish

Winn Parish

AQCR 106 S. Louisiana-S.E. Texas Interstate:

St. John the Baptist Parish Unclassifiable/Attainment

AQCR 106 S. Louisiana-S.E. Texas Interstate Unclassifiable/Attainment

Acadia Parish

Allen Parish

Assumption Parish

Avoyelles Parish

Cameron Parish

East Feliciana Parish

Evangeline Parish

Iberia Parish

Jefferson Davis Parish

Plaquemines Parish

Rapides Parish

St. Helena Parish

St. Landry Parish

St. Martin Parish

St. Tammany Parish

Tangipahoa Parish

Terrebonne Parish

Vermilion Parish

Vernon Parish

Washington Parish

West Feliciana Parish

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

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

2 Effective December 30, 2011.

Louisiana—2008 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area Designation Classification

Date 1 Type Date 1 Type

Baton Rouge, LA 2 12/27/16, 81 FR 95052 Attainment 12/27/16

Ascension Parish

East Baton Rouge Parish

Iberville Parish

Livingston Parish

West Baton Rouge Parish

AQCR 019 Monroe-El Dorado Interstate: 3

Caldwell Parish Unclassifiable/Attainment

Catahoula Parish Unclassifiable/Attainment

Concordia Parish Unclassifiable/Attainment

East Carroll Parish Unclassifiable/Attainment

Franklin Parish Unclassifiable/Attainment

La Salle Parish Unclassifiable/Attainment

Madison Parish Unclassifiable/Attainment

Morehouse Parish Unclassifiable/Attainment

Ouachita Parish Unclassifiable/Attainment

Richland Parish Unclassifiable/Attainment

Tensas Parish Unclassifiable/Attainment

Union Parish Unclassifiable/Attainment

West Carroll Parish Unclassifiable/Attainment

AQCR 022 Shreveport-Texarkana-Tyler Interstate: 3

Bienville Parish Unclassifiable/Attainment

Bossier Parish Unclassifiable/Attainment

Caddo Parish Unclassifiable/Attainment

Claiborne Parish Unclassifiable/Attainment

De Soto Parish Unclassifiable/Attainment

Jackson Parish Unclassifiable/Attainment

Lincoln Parish Unclassifiable/Attainment

Natchitoches Parish Unclassifiable/Attainment

Red River Parish Unclassifiable/Attainment

Sabine Parish Unclassifiable/Attainment

Webster Parish Unclassifiable/Attainment

Winn Parish Unclassifiable/Attainment

AQCR 106 S. Louisiana-SE. Texas Interstate: (remainder) 3

Acadia Parish Unclassifiable/Attainment

Allen Parish Unclassifiable/Attainment

Assumption Parish Unclassifiable/Attainment

Avoyelles Parish Unclassifiable/Attainment

Beauregard Parish Unclassifiable/Attainment

Calcasieu Parish Unclassifiable/Attainment

Cameron Parish Unclassifiable/Attainment

East Feliciana Parish Unclassifiable/Attainment

Evangeline Parish Unclassifiable/Attainment

Grant Parish Unclassifiable/Attainment

Iberia Parish Unclassifiable/Attainment

Jefferson Davis Parish Unclassifiable/Attainment

Jefferson Parish Unclassifiable/Attainment

Lafayette Parish Unclassifiable/Attainment

Lafourche Parish Unclassifiable/Attainment

Orleans Parish Unclassifiable/Attainment

Plaquemines Parish Unclassifiable/Attainment

Pointe Coupee Parish Unclassifiable/Attainment

Rapides Parish Unclassifiable/Attainment

St. Bernard Parish Unclassifiable/Attainment

St. Charles Parish Unclassifiable/Attainment

St. Helena Parish Unclassifiable/Attainment

St. James Parish Unclassifiable/Attainment

St. John the Baptist Parish Unclassifiable/Attainment

St. Landry Parish Unclassifiable/Attainment

St. Martin Parish Unclassifiable/Attainment

St. Mary Parish Unclassifiable/Attainment

St. Tammany Parish Unclassifiable/Attainment

Tangipahoa Parish Unclassifiable/Attainment

Terrebonne Parish Unclassifiable/Attainment

Vermilion Parish Unclassifiable/Attainment

Vernon Parish Unclassifiable/Attainment

Washington Parish Unclassifiable/Attainment

West Feliciana Parish Unclassifiable/Attainment

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

2 Excludes Indian country located in each area, unless otherwise noted.

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

Louisiana—2015 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area 1 Designation Classification

Date 2 Type Date 2 Type

Acadia Parish 1/16/2018 Attainment/Unclassifiable

Allen Parish 1/16/2018 Attainment/Unclassifiable

Ascension Parish Attainment/Unclassifiable

Assumption Parish Attainment/Unclassifiable

Avoyelles Parish 1/16/2018 Attainment/Unclassifiable

Beauregard Parish 1/16/2018 Attainment/Unclassifiable

Bienville Parish 1/16/2018 Attainment/Unclassifiable

Bossier Parish 1/16/2018 Attainment/Unclassifiable

Caddo Parish 1/16/2018 Attainment/Unclassifiable

Calcasieu Parish 1/16/2018 Attainment/Unclassifiable

Caldwell Parish 1/16/2018 Attainment/Unclassifiable

Cameron Parish 1/16/2018 Attainment/Unclassifiable

Catahoula Parish 1/16/2018 Attainment/Unclassifiable

Claiborne Parish 1/16/2018 Attainment/Unclassifiable

Concordia Parish 1/16/2018 Attainment/Unclassifiable

De Soto Parish 1/16/2018 Attainment/Unclassifiable

East Baton Rouge Parish Attainment/Unclassifiable

East Carroll Parish 1/16/2018 Attainment/Unclassifiable

East Feliciana Parish Attainment/Unclassifiable

Evangeline Parish 1/16/2018 Attainment/Unclassifiable

Franklin Parish 1/16/2018 Attainment/Unclassifiable

Grant Parish 1/16/2018 Attainment/Unclassifiable

Iberia Parish 1/16/2018 Attainment/Unclassifiable

Iberville Parish Attainment/Unclassifiable

Jackson Parish 1/16/2018 Attainment/Unclassifiable

Jefferson Parish 1/16/2018 Attainment/Unclassifiable

Jefferson Davis Parish 1/16/2018 Attainment/Unclassifiable

Lafayette Parish 1/16/2018 Attainment/Unclassifiable

Lafourche Parish 1/16/2018 Attainment/Unclassifiable

LaSalle Parish 1/16/2018 Attainment/Unclassifiable

Lincoln Parish 1/16/2018 Attainment/Unclassifiable

Livingston Parish Attainment/Unclassifiable

Madison Parish 1/16/2018 Attainment/Unclassifiable

Morehouse Parish 1/16/2018 Attainment/Unclassifiable

Natchitoches Parish 1/16/2018 Attainment/Unclassifiable

Orleans Parish 1/16/2018 Attainment/Unclassifiable

Ouachita Parish 1/16/2018 Attainment/Unclassifiable

Plaquemines Parish 1/16/2018 Attainment/Unclassifiable

Pointe Coupee Parish Attainment/Unclassifiable

Rapides Parish 1/16/2018 Attainment/Unclassifiable

Red River Parish 1/16/2018 Attainment/Unclassifiable

Richland Parish 1/16/2018 Attainment/Unclassifiable

Sabine Parish 1/16/2018 Attainment/Unclassifiable

St. Bernard Parish 1/16/2018 Attainment/Unclassifiable

St. Charles Parish 1/16/2018 Attainment/Unclassifiable

St. Helena Parish Attainment/Unclassifiable

St. James Parish Attainment/Unclassifiable

St. John the Baptist Parish 1/16/2018 Attainment/Unclassifiable

St. Landry Parish 1/16/2018 Attainment/Unclassifiable

St. Martin Parish 1/16/2018 Attainment/Unclassifiable

St. Mary Parish 1/16/2018 Attainment/Unclassifiable

St. Tammany Parish 1/16/2018 Attainment/Unclassifiable

Tangipahoa Parish 1/16/2018 Attainment/Unclassifiable

Tensas Parish 1/16/2018 Attainment/Unclassifiable

Terrebonne Parish 1/16/2018 Attainment/Unclassifiable

Union Parish 1/16/2018 Attainment/Unclassifiable

Vermilion Parish 1/16/2018 Attainment/Unclassifiable

Vernon Parish 1/16/2018 Attainment/Unclassifiable

Washington Parish 1/16/2018 Attainment/Unclassifiable

Webster Parish 1/16/2018 Attainment/Unclassifiable

West Baton Rouge Parish Attainment/Unclassifiable

West Carroll Parish 1/16/2018 Attainment/Unclassifiable

West Feliciana Parish Attainment/Unclassifiable

Winn Parish 1/16/2018 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 August 3, 2018, unless otherwise noted.

Louisiana—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.