Louisiana.

  1. Law
  2. CFR 40
  3. Protection of Environment
  4. Environmental Protection Agency
  5. Air Programs
  6. Designation of Areas for Air Quality Planning Purposes
  7. Section 107 Attainment Status Designations
  8. Louisiana.

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§ 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 area1 Designation
Date2 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 10/4/13 Nonattainment.
Calcasieu Parish, LA 9/12/16 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 9/12/16 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
Date1 Type Date1 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 1/6/92 Unclassifiable
Rest of State Not Designated

Louisiana - Ozone (1-Hour Standard)2

Designated area Designation Classification
Date1 Type Date1 Type
Baton Rouge Area:
Ascension Parish 11/15/90 Nonattainment 6/23/03 Severe.
East Baton Rouge Parish 11/15/90 Nonattainment 6/23/03 Severe.
Iberville Parish 11/15/90 Nonattainment 6/23/03 Severe.
Livingston Parish 11/15/90 Nonattainment 6/23/03 Severe.
West Baton Rouge Parish 11/15/90 Nonattainment 6/23/03 Severe.
Beauregard Parish Area:
Beauregard Parish Attainment
Grant Parish Area:
Grant Parish Attainment
Lafayette Area:
Lafayette Parish Attainment
Lafourche Parish Area:
Lafourche Parish 2/25/02 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 Designationa Classification
Date1 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 area1 Designation Classification
Date2 Type Date2 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 Designationa Classification
Date1 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 Designationa Classification
Date1 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 Designationa
Date1 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 11/15/90 Unclassifiable
AQCR 022 11/15/90 Unclassifiable
AQCR 106 11/15/90 Unclassifiable

Louisiana - 1997 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area Designationa Category/classification
Date1 Type Date1 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
Date1 Type Date1 Type
Baton Rouge, LA2 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 area1 Designation Classification
Date2 Type Date2 Type
Acadia Parish 1/16/18 Attainment/Unclassifiable
Allen Parish 1/16/18 Attainment/Unclassifiable
Ascension Parish Attainment/Unclassifiable
Assumption Parish Attainment/Unclassifiable
Avoyelles Parish 1/16/18 Attainment/Unclassifiable
Beauregard Parish 1/16/18 Attainment/Unclassifiable
Bienville Parish 1/16/18 Attainment/Unclassifiable
Bossier Parish 1/16/18 Attainment/Unclassifiable
Caddo Parish 1/16/18 Attainment/Unclassifiable
Calcasieu Parish 1/16/18 Attainment/Unclassifiable
Caldwell Parish 1/16/18 Attainment/Unclassifiable
Cameron Parish 1/16/18 Attainment/Unclassifiable
Catahoula Parish 1/16/18 Attainment/Unclassifiable
Claiborne Parish 1/16/18 Attainment/Unclassifiable
Concordia Parish 1/16/18 Attainment/Unclassifiable
De Soto Parish 1/16/18 Attainment/Unclassifiable
East Baton Rouge Parish Attainment/Unclassifiable
East Carroll Parish 1/16/18 Attainment/Unclassifiable
East Feliciana Parish Attainment/Unclassifiable
Evangeline Parish 1/16/18 Attainment/Unclassifiable
Franklin Parish 1/16/18 Attainment/Unclassifiable
Grant Parish 1/16/18 Attainment/Unclassifiable
Iberia Parish 1/16/18 Attainment/Unclassifiable
Iberville Parish Attainment/Unclassifiable
Jackson Parish 1/16/18 Attainment/Unclassifiable
Jefferson Parish 1/16/18 Attainment/Unclassifiable
Jefferson Davis Parish 1/16/18 Attainment/Unclassifiable
Lafayette Parish 1/16/18 Attainment/Unclassifiable
Lafourche Parish 1/16/18 Attainment/Unclassifiable
LaSalle Parish 1/16/18 Attainment/Unclassifiable
Lincoln Parish 1/16/18 Attainment/Unclassifiable
Livingston Parish Attainment/Unclassifiable
Madison Parish 1/16/18 Attainment/Unclassifiable
Morehouse Parish 1/16/18 Attainment/Unclassifiable
Natchitoches Parish 1/16/18 Attainment/Unclassifiable
Orleans Parish 1/16/18 Attainment/Unclassifiable
Ouachita Parish 1/16/18 Attainment/Unclassifiable
Plaquemines Parish 1/16/18 Attainment/Unclassifiable
Pointe Coupee Parish Attainment/Unclassifiable
Rapides Parish 1/16/18 Attainment/Unclassifiable
Red River Parish 1/16/18 Attainment/Unclassifiable
Richland Parish 1/16/18 Attainment/Unclassifiable
Sabine Parish 1/16/18 Attainment/Unclassifiable
St. Bernard Parish 1/16/18 Attainment/Unclassifiable
St. Charles Parish 1/16/18 Attainment/Unclassifiable
St. Helena Parish Attainment/Unclassifiable
St. James Parish Attainment/Unclassifiable
St. John the Baptist Parish 1/16/18 Attainment/Unclassifiable
St. Landry Parish 1/16/18 Attainment/Unclassifiable
St. Martin Parish 1/16/18 Attainment/Unclassifiable
St. Mary Parish 1/16/18 Attainment/Unclassifiable
St. Tammany Parish 1/16/18 Attainment/Unclassifiable
Tangipahoa Parish 1/16/18 Attainment/Unclassifiable
Tensas Parish 1/16/18 Attainment/Unclassifiable
Terrebonne Parish 1/16/18 Attainment/Unclassifiable
Union Parish 1/16/18 Attainment/Unclassifiable
Vermilion Parish 1/16/18 Attainment/Unclassifiable
Vernon Parish 1/16/18 Attainment/Unclassifiable
Washington Parish 1/16/18 Attainment/Unclassifiable
Webster Parish 1/16/18 Attainment/Unclassifiable
West Baton Rouge Parish Attainment/Unclassifiable
West Carroll Parish 1/16/18 Attainment/Unclassifiable
West Feliciana Parish Attainment/Unclassifiable
Winn Parish 1/16/18 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 NAAQSa
Date1 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.

[43 FR 8964, Mar. 3, 1978]

Editorial Note

Editorial Note:

For Federal Register citations affecting § 81.319, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.govinfo.gov.


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