SIP Status Reports

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Status of Connecticut Designated Areas

Connecticut Areas by NAAQS
As of 04/23/2017

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


Connecticut CO (1971) Areas    Return to map
 
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
Hartford-New Britain-Middletown Area Maintenance 11/15/1990 Moderate <= 12.7ppm 1,106,678 2015 1.3 Yes 4 / 4 01/02/1996
61 FR 24239
09/30/1994 01/02/1996
61 FR 24239
New Haven-Meriden-Waterbury Area Maintenance 11/15/1990 Not Classified 945,612 2015 1.3 Yes 0 / 0 12/04/1998
63 FR 53282
01/22/1997 12/04/1998
63 FR 53282
New York-N. New Jersey-Long Island Area Maintenance 11/15/1990 Moderate > 12.7ppm 907,442 2015 1.9 Yes 6 / 6 05/10/1999
64 FR 12005
05/29/1998 05/10/1999
64 FR 12005

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

No designated areas for this pollutant.

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

No designated areas for this pollutant.

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

No designated areas for this pollutant.

Connecticut 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
Greater Connecticut Area Nonattainment (NAAQS revoked) 11/15/1990 Serious 2,666,958 2013-2015 0.106 Yes 26 / 26 04/16/2012
77 FR 15607
   
New York-N. New Jersey-Long Island Area Nonattainment (NAAQS revoked) 11/15/1990 Severe-17 907,442 2013-2015 0.111 Yes 30 / 27 07/18/2012
77 FR 36163
   
OTR 1990               5 / 5  
 
   
OTR               13 / 13  
 
   

Connecticut 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
Greater Connecticut Area Nonattainment (NAAQS revoked) 06/15/2004 Subpart 2/Moderate 1,629,115 2013-2015   Insufficient Data 53 / 52 09/30/2010
75 FR 53219
   
New York-N. New Jersey-Long Island Area Nonattainment (NAAQS revoked) 06/15/2004 Subpart 2/Moderate 1,944,982 2013-2015   Insufficient Data 53 / 51 07/18/2012
77 FR 36163
   
OTR               46 / 46  
 
   

Connecticut 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
Greater Connecticut Nonattainment 07/20/2012 Moderate 1,629,115 2013-2015 0.076 No 55 / 0  
 
   
New York-N. New Jersey-Long Island Nonattainment 07/20/2012 Moderate 1,944,982 2013-2015 0.084 No 55 / 0  
 
   
OTR               47 / 0  
 
   

Connecticut 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
Design Value
(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
New Haven County Maintenance 11/15/1990 Moderate 129,779 2013-2015   No Data 3 / 3 12/12/2005
70 FR 59657
06/23/2005 12/12/2005
70 FR 59657

Connecticut 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
New York-N. New Jersey-Long Island Maintenance 04/05/2005 Former Subpart 1 1,779,306 2013-2015 11.0 Yes 5 / 1 12/15/2010
75 FR 69589
06/22/2012 10/24/2013
78 FR 58467

Connecticut 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
New York-N. New Jersey-Long Island Maintenance 12/14/2009 Former Subpart 1 1,779,306 2013-2015 28 Yes 6 / 0 12/31/2012
77 FR 76867
06/22/2012 10/24/2013
78 FR 58467

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

No designated areas for this pollutant.

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

No designated areas for this pollutant.

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

No designated areas for this pollutant.
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.