SIP Status Reports

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Status of Pennsylvania Designated Areas

Pennsylvania Areas by NAAQS
NOTE: As of 03/12/2021, these reports are no longer being updated. For the latest information, see the SIP Status Tools.

Jump to Pennsylvania section for: CO (1971) Lead (1978) Lead (2008) NO2 (1971) Ozone-1Hr (1979) Ozone-8Hr (1997) Ozone-8Hr (2008) Ozone-8Hr (2015) PM-10 (1987) PM-2.5 (1997) PM-2.5 (2006) PM-2.5 (2012) SO2 (1971) SO2 (2010)


Pennsylvania CO (1971) Areas    Return to map
 
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to view SIP Required Elements

Area		 Status Designation
Date		 Classification 2010
Population
(state portion)		 Meets NAAQS
Basis		 Design Value
Annual
(ppm)
(entire area)		 Meets
NAAQS		 SIP
Requirements
Original/
Approved		 Clean Air
Determination
Citation
Effective Date
Click to view
FR notice 		Redesignation
Request Date		 Redesignation
Citation
Effective Date
Click to view
FR notice
Philadelphia-Camden County Area Maintenance 11/15/1990 Moderate <= 12.7ppm 673,750 2019 1.7 Yes 4 / 4  
 		 09/08/1995 03/15/1996
61 FR 2926
Pittsburgh Area Maintenance 11/15/1990 Not Classified 320,395 2019 1.4 Yes 1 / 1  
 		 08/17/2001 01/13/2003
67 FR 68521

Pennsylvania Lead (1978) Areas     Return to map Top of page

No designated areas for this pollutant.

Pennsylvania Lead (2008) Areas    Return to map     Top of page

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to view SIP Required Elements

Area		 Status Designation
Date		 Classification 2010
Population
(state portion)		 Meets NAAQS
Basis		 Design Value
Annual
(µg/m3)
(entire area)		 Meets
NAAQS		 SIP
Requirements
Original/
Approved		 Clean Air
Determination
Citation
Effective Date
Click to view
FR notice 		Redesignation
Request Date		 Redesignation
Citation
Effective Date
Click to view
FR notice
Lower Beaver Valley Nonattainment 12/31/2010   17,654 2017-2019 0.01 Yes 6 / 6  
 		    
Lyons Nonattainment 12/31/2010   19,480 2017-2019 0.03 Yes 6 / 2 01/28/2015
79 FR 77911		    
North Reading Nonattainment 12/31/2010   29,334 2017-2019 0.05 Yes 6 / 6  
 		    

Pennsylvania NO2 (1971) Areas     Return to map Top of page

No designated areas for this pollutant.

Pennsylvania Ozone-1Hr (1979) Areas    Return to map     Top of page

Click on the Area name
to view SIP Required Elements

Area		 Status Designation
Date		 Classification 2010
Population
(state portion)		 Meets NAAQS
Basis		 Design Value
Annual
(ppm)
(entire area)		 Meets
NAAQS		 SIP
Requirements
Original/
Approved		 Clean Air
Determination
Citation
Effective Date
Click to view
FR notice 		Redesignation
Request Date		 Redesignation
Citation
Effective Date
Click to view
FR notice
Allentown-Bethlehem-Easton Area Nonattainment (NAAQS revoked) 11/15/1990 Marginal 712,481 2017-2019 0.081 Yes 8 / 8 03/20/1995
60 FR 3349		    
Altoona Area Nonattainment (NAAQS revoked) 01/06/1992 Marginal 127,089 2017-2019 0.072 Yes 9 / 9 03/20/1995
60 FR 3349		    
Erie Area Nonattainment (NAAQS revoked) 11/15/1990 Marginal 280,566 2017-2019 0.072 Yes 8 / 8 03/20/1995
60 FR 3349		    
Harrisburg-Lebanon-Carlisle Area Nonattainment (NAAQS revoked) 11/15/1990 Marginal 683,043 2017-2019 0.076 Yes 8 / 8 03/20/1995
60 FR 3349		    
Johnstown Area Nonattainment (NAAQS revoked) 01/06/1992 Marginal 221,421 2017-2019 0.072 Yes 9 / 9 03/20/1995
60 FR 3349		    
Lancaster Area Nonattainment (NAAQS revoked) 11/15/1990 Marginal 519,445 2017-2019 0.082 Yes 8 / 8 03/20/1995
60 FR 3349		    
Philadelphia-Wilmington-Trenton Area Nonattainment (NAAQS revoked) 11/15/1990 Severe-15 4,008,994 2017-2019 0.102 Yes 29 / 28 08/25/2008
73 FR 43360		    
Pittsburgh-Beaver Valley Area Maintenance (NAAQS revoked) 11/15/1990 Moderate 2,356,285 2017-2019 0.083 Yes 24 / 24  
 		 04/09/2001 11/19/2001
66 FR 53094
Reading Area Maintenance (NAAQS revoked) 11/15/1990 Moderate 411,442 2017-2019 0.086 Yes 24 / 24  
 		 01/28/1997 06/06/1997
62 FR 24826
Scranton-Wilkes-Barre Area Nonattainment (NAAQS revoked) 11/15/1990 Marginal 800,768 2017-2019 0.074 Yes 8 / 8 03/20/1995
60 FR 3349		    
York Area Nonattainment (NAAQS revoked) 11/15/1990 Marginal 536,379 2017-2019 0.076 Yes 8 / 8 03/20/1995
60 FR 3349		    
Youngstown-Warren-Sharon Area Nonattainment (NAAQS revoked) 11/15/1990 Marginal 116,638 2017-2019 0.078 Yes 9 / 9 03/20/1995
60 FR 3349		    
OTR 1990               5 / 5  
 		    
OTR               13 / 13  
 		    

Pennsylvania Ozone-8Hr (1997) Areas    Return to map     Top of page

Click on the Area name
to view SIP Required Elements

Area		 Status Designation
Date		 Classification 2010
Population
(state portion)		 Meets NAAQS
Basis		 Design Value
Annual
(ppm)
(entire area)		 Meets
NAAQS		 SIP
Requirements
Original/
Approved		 Clean Air
Determination
Citation
Effective Date
Click to view
FR notice 		Redesignation
Request Date		 Redesignation
Citation
Effective Date
Click to view
FR notice
Allentown-Bethlehem-Easton Area Maintenance (NAAQS revoked) 06/15/2004 Former Subpart 1 712,481 2017-2019 0.069 Yes 4 / 0  
 		 06/26/2007 04/03/2008
73 FR 11557
Altoona Area Maintenance (NAAQS revoked) 06/15/2004 Former Subpart 1 127,089 2017-2019 0.063 Yes 4 / 0  
 		 02/08/2007 08/01/2007
72 FR 41906
Clearfield and Indiana Counties Area Maintenance (NAAQS revoked) 06/15/2004 Former Subpart 1 170,522 2017-2019 0.067 Yes 4 / 0  
 		 06/14/2007 04/20/2009
74 FR 11674
Erie Area Maintenance (NAAQS revoked) 06/15/2004 Former Subpart 1 280,566 2017-2019 0.062 Yes 4 / 0  
 		 04/24/2007 11/08/2007
72 FR 57207
Franklin County Area Maintenance (NAAQS revoked) 06/15/2004 Former Subpart 1 149,618 2017-2019 0.059 Yes 4 / 0  
 		 12/14/2006 07/25/2007
72 FR 40746
Greene County Area Maintenance (NAAQS revoked) 06/15/2004 Former Subpart 1 38,686 2017-2019   Insufficient Data 4 / 0  
 		 01/25/2007 04/20/2009
74 FR 11671
Harrisburg-Lebanon-Carlisle Area Maintenance (NAAQS revoked) 06/15/2004 Former Subpart 1 683,043 2017-2019 0.066 Yes 4 / 0  
 		 03/27/2007 07/25/2007
72 FR 40749
Johnstown Area Maintenance (NAAQS revoked) 06/15/2004 Former Subpart 1 143,679 2017-2019 0.058 Yes 4 / 0  
 		 03/27/2007 08/01/2007
72 FR 41903
Lancaster Area Maintenance (NAAQS revoked) 06/15/2004 Subpart 2/Marginal 519,445 2017-2019 0.067 Yes 3 / 1  
 		 08/01/2006 07/06/2007
72 FR 36889
Philadelphia-Wilmington-Atlantic City Area Nonattainment (NAAQS revoked) 06/15/2004 Subpart 2/Moderate 4,008,994 2017-2019 0.076 Yes 53 / 48 04/25/2012
77 FR 17341		    
Pittsburgh-Beaver Valley Nonattainment (NAAQS revoked) 06/15/2004 Subpart 2/Moderate 2,356,285 2017-2019 0.068 Yes 53 / 48 05/06/2013
78 FR 20244		    
Reading Area Maintenance (NAAQS revoked) 06/15/2004 Former Subpart 1 411,442 2017-2019 0.069 Yes 4 / 0  
 		 01/25/2007 09/10/2007
72 FR 48559
Scranton-Wilkes-Barre Area Maintenance (NAAQS revoked) 06/15/2004 Former Subpart 1 733,473 2017-2019 0.065 Yes 4 / 0  
 		 06/12/2007 12/19/2007
72 FR 64948
State College Area Maintenance (NAAQS revoked) 06/15/2004 Former Subpart 1 153,990 2017-2019 0.062 Yes 4 / 0  
 		 06/12/2007 12/14/2007
72 FR 63990
Tioga County Area Maintenance (NAAQS revoked) 06/15/2004 Former Subpart 1 41,981 2017-2019 0.060 Yes 4 / 0  
 		 09/01/2006 07/06/2007
72 FR 36892
York Area Maintenance (NAAQS revoked) 06/15/2004 Former Subpart 1 536,379 2017-2019 0.064 Yes 4 / 0  
 		 06/14/2007 02/13/2008
73 FR 2163
Youngstown-Warren-Sharon Area Maintenance (NAAQS revoked) 06/15/2004 Former Subpart 1 116,638 2017-2019 0.067 Yes 4 / 0  
 		 03/27/2007 11/19/2007
72 FR 59213
OTR               46 / 41  
 		    

Pennsylvania Ozone-8Hr (2008) Areas    Return to map     Top of page

Click on the Area name
to view SIP Required Elements

Area		 Status Designation
Date		 Classification 2010
Population
(state portion)		 Meets NAAQS
Basis		 Design Value
Annual
(ppm)
(entire area)		 Meets
NAAQS		 SIP
Requirements
Original/
Approved		 Clean Air
Determination
Citation
Effective Date
Click to view
FR notice 		Redesignation
Request Date		 Redesignation
Citation
Effective Date
Click to view
FR notice
Allentown-Bethlehem-Easton Nonattainment 07/20/2012 Marginal 712,481 2017-2019 0.069 Yes 3 / 2 06/03/2016
81 FR 26697		    
Lancaster Nonattainment 07/20/2012 Marginal 519,445 2017-2019 0.067 Yes 3 / 2 06/03/2016
81 FR 26697		    
Philadelphia-Wilmington-Atlantic City Nonattainment 07/20/2012 Marginal 4,008,994 2017-2019 0.076 No 3 / 3 12/04/2017
82 FR 50814		    
Pittsburgh-Beaver Valley Nonattainment 07/20/2012 Marginal 2,356,285 2017-2019 0.068 Yes 3 / 2 01/05/2017
81 FR 87819		    
Reading Nonattainment 07/20/2012 Marginal 411,442 2017-2019 0.069 Yes 3 / 2 06/03/2016
81 FR 26697		    
OTR               47 / 4  
 		    

Pennsylvania Ozone-8Hr (2015) Areas    Return to map     Top of page

Click on the Area name
to view SIP Required Elements

Area		 Status Designation
Date		 Classification 2010
Population
(state portion)		 Meets NAAQS
Basis		 Design Value
Annual
(ppm)
(entire area)		 Meets
NAAQS		 SIP
Requirements
Original/
Approved		 Clean Air
Determination
Citation
Effective Date
Click to view
FR notice 		Redesignation
Request Date		 Redesignation
Citation
Effective Date
Click to view
FR notice
Philadelphia-Wilmington-Atlantic City Nonattainment 08/03/2018 Marginal 4,008,994 2017-2019 0.076 No 3 / 0  
 		    
OTR               46 / 0  
 		    

Pennsylvania PM-10 (1987) Areas    Return to map     Top of page

Click on the Area name
to view SIP Required Elements

Area		 Status Designation
Date		 Classification 2010
Population
(state portion)		 Meets NAAQS
Basis		 Average
Estimated
Exceedances
(est. exc.)
(entire area)		 Meets
NAAQS		 SIP
Requirements
Original/
Approved		 Clean Air
Determination
Citation
Effective Date
Click to view
FR notice 		Redesignation
Request Date		 Redesignation
Citation
Effective Date
Click to view
FR notice
Allegheny County; The area including Liberty, Lincoln, Port Vue, and Glassport Boroughs and the City of Clairton Maintenance 11/15/1990 Moderate 18,700 2017-2019 0.0 Yes 3 / 3  
 		 10/28/2002 10/14/2003
68 FR 53515

Pennsylvania PM-2.5 (1997) Areas    Return to map     Top of page

Click on the Area name
to view SIP Required Elements

Area		 Status Designation
Date		 Classification 2010
Population
(state portion)		 Meets NAAQS
Basis		 Design Value
Annual
(µg/m3)
(entire area)		 Meets
NAAQS		 SIP
Requirements
Original/
Approved		 Clean Air
Determination
Citation
Effective Date
Click to view
FR notice 		Redesignation
Request Date		 Redesignation
Citation
Effective Date
Click to view
FR notice
Harrisburg-Lebanon-Carlisle Maintenance (NAAQS revoked) 04/05/2005 Moderate 637,074 2017-2019 9.0 Yes 5 / 2 09/27/2011
76 FR 45424		 04/24/2014 12/08/2014
79 FR 72552
Johnstown Maintenance (NAAQS revoked) 04/05/2005 Moderate 156,923 2017-2019 9.7 Yes 5 / 2 09/27/2011
76 FR 45424		 12/04/2014 07/16/2015
80 FR 42046
Lancaster Maintenance (NAAQS revoked) 04/05/2005 Moderate 519,445 2017-2019 9.6 Yes 5 / 2 09/27/2011
76 FR 45424		 04/30/2014 07/16/2015
80 FR 42050
Liberty-Clairton Nonattainment 04/05/2005 Moderate 20,789 2017-2019 12.4 Yes 8 / 2 11/25/2013
78 FR 63881		    
Philadelphia-Wilmington Maintenance (NAAQS revoked) 04/05/2005 Moderate 4,008,994 2017-2019 10.7 Yes 6 / 5 06/15/2012
77 FR 28782		 09/05/2014 04/21/2015
80 FR 22112
Pittsburgh-Beaver Valley Maintenance (NAAQS revoked) 04/05/2005 Moderate 2,142,981 2017-2019 10.6 Yes 6 / 2 10/12/2012
77 FR 62147		 12/22/2014 10/02/2015
80 FR 59624
Reading Maintenance (NAAQS revoked) 04/05/2005 Moderate 411,442 2017-2019 8.4 Yes 5 / 2 09/27/2011
76 FR 45424		 12/04/2013 03/04/2015
80 FR 11580
York Maintenance (NAAQS revoked) 04/05/2005 Moderate 434,972 2017-2019 9.1 Yes 5 / 2 09/27/2011
76 FR 45424		 04/24/2014 12/08/2014
79 FR 72552

Pennsylvania PM-2.5 (2006) Areas    Return to map
Area designated nonattainment for the 24-hour standard     Top of page

Click on the Area name
to view SIP Required Elements

Area		 Status Designation
Date		 Classification 2010
Population
(state portion)		 Meets NAAQS
Basis		 Design Value
24-Hr
(µg/m3)
(entire area)		 Meets
NAAQS		 SIP
Requirements
Original/
Approved		 Clean Air
Determination
Citation
Effective Date
Click to view
FR notice 		Redesignation
Request Date		 Redesignation
Citation
Effective Date
Click to view
FR notice
Allentown Maintenance 12/14/2009 Moderate 647,232 2017-2019 24 Yes 6 / 2 04/30/2012
77 FR 18922		 09/05/2014 04/13/2015
80 FR 19548
Harrisburg-Lebanon-Carlisle-York Maintenance 12/14/2009 Moderate 1,072,046 2017-2019 26 Yes 6 / 2 04/30/2012
77 FR 18922		 04/24/2014 12/08/2014
79 FR 72552
Johnstown Maintenance 12/14/2009 Moderate 156,923 2017-2019 22 Yes 6 / 2 04/30/2012
77 FR 18922		 12/04/2014 07/16/2015
80 FR 42046
Lancaster Maintenance 12/14/2009 Moderate 519,445 2017-2019 26 Yes 6 / 2 04/30/2012
77 FR 18922		 04/30/2014 07/16/2015
80 FR 42050
Liberty-Clairton Nonattainment 12/14/2009 Moderate 20,789 2017-2019 35 Yes 8 / 2 06/09/2017
82 FR 21711		    
Philadelphia-Wilmington Maintenance 12/14/2009 Moderate 4,008,994 2017-2019 27 Yes 6 / 2 01/07/2013
78 FR 882		 09/05/2014 04/21/2015
80 FR 22112
Pittsburgh-Beaver Valley Maintenance 12/14/2009 Moderate 2,142,981 2017-2019 24 Yes 6 / 2 05/02/2014
79 FR 25014		 12/22/2014 10/02/2015
80 FR 59624

Pennsylvania PM-2.5 (2012) Areas    Return to map     Top of page

Click on the Area name
to view SIP Required Elements

Area		 Status Designation
Date		 Classification 2010
Population
(state portion)		 Meets NAAQS
Basis		 Design Value
Annual
(µg/m3)
(entire area)		 Meets
NAAQS		 SIP
Requirements
Original/
Approved		 Clean Air
Determination
Citation
Effective Date
Click to view
FR notice 		Redesignation
Request Date		 Redesignation
Citation
Effective Date
Click to view
FR notice
Allegheny County Nonattainment 04/15/2015 Moderate 1,223,348 2017-2019 12.4 No 7 / 0  
 		    
Delaware County Maintenance 04/15/2015 Moderate 558,979 2017-2019 10.7 Yes 7 / 1 03/21/2017
81 FR 89868		 01/28/2019 10/30/2019
84 FR 51420
Lebanon County Maintenance 04/15/2015 Moderate 133,568 2017-2019 9.0 Yes 7 / 1 04/05/2018
83 FR 9435		 02/11/2019 10/30/2019
84 FR 51420

Pennsylvania SO2 (1971) Areas    Return to map     Top of page

Click on the Area name
to view SIP Required Elements

Area		 Status Designation
Date		 Classification 2010
Population
(state portion)		 Meets NAAQS
Basis		 Design Value
Annual/24-Hr
(ppb)
(entire area)		 Meets
NAAQS		 SIP
Requirements
Original/
Approved		 Clean Air
Determination
Citation
Effective Date
Click to view
FR notice 		Redesignation
Request Date		 Redesignation
Citation
Effective Date
Click to view
FR notice
Allegheny County Air Basin: Hazelwood monitor Maintenance 09/12/1978   387,190     /     0 / 0  
 		   08/20/2004
69 FR 43522
Armstrong County: Madison Twp, Mahoning Twp, Boggs Twp, Washington Twp, Pine Twp Nonattainment 11/15/1990   4,516     /     0 / 0  
 		    
Warren County: Conewago Twp Maintenance 11/15/1990   3,594     /     1 / 1  
 		   08/02/2004
69 FR 39860
Warren County: Warren Boro, Pleasant Twp, Glade Twp Maintenance 01/20/1994   15,781     /     1 / 1  
 		   08/02/2004
69 FR 39860

Pennsylvania SO2 (2010) Areas    Return to map     Top of page

Click on the Area name
to view SIP Required Elements

Area		 Status Designation
Date		 Classification 2010
Population
(state portion)		 Meets NAAQS
Basis		 3 Year
1-⁠Hour
Design Value
(ppb)
(entire area)		 Meets
NAAQS		 SIP
Requirements
Original/
Approved		 Clean Air
Determination
Citation
Effective Date
Click to view
FR notice 		Redesignation
Request Date		 Redesignation
Citation
Effective Date
Click to view
FR notice
Allegheny Nonattainment 10/04/2013   126,934 2017-2019 109 No 6 / 6  
 		    
Beaver Nonattainment 10/04/2013   14,780 2017-2019 17 Yes 6 / 6  
 		    
Indiana Nonattainment 10/04/2013   92,778 2017-2019 26 Yes 6 / 6  
 		    
Warren Nonattainment 10/04/2013   18,056 2017-2019 42 Yes 6 / 6  
 		    
We have made our best effort to ensure that the data contained in these reports is accurate. We note that there may be brief delays in updating the reports as we receive new state submissions and we take rulemaking action on plans. In order to assist us in providing accurate information, we request that you contact us by clicking on the "Contact Us" link near the top of this page with any comments regarding or corrections to the posted information, including concerns about whether the entries reflect the most recent status.

Current and historical design value data can be found on the EPA Air Quality Design Values website and the EPA Green Book contains comprehensive nonattainment area, designation status, and historical information.

The level of the 1-hour NAAQS for sulfur dioxide is 75 parts per billion (ppb) calculated as the 3-year average of the 99th percentile of the annual distribution of daily maximum 1-hour average concentrations.

SIP Status Reports