SIP Status Reports

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Status of Massachusetts Designated Areas

Massachusetts Areas by NAAQS
As of 08/20/2017

Jump to Massachusetts 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)


Massachusetts 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
Boston Area Maintenance 11/15/1990 Moderate <= 12.7ppm 1,135,003 2016 1.2 Yes 4 / 4 04/01/1996
61 FR 2918
12/12/1994 04/01/1996
61 FR 2918
Lowell Area Maintenance 11/15/1990 Not Classified 106,519 2016   No Data 0 / 0 04/22/2002
67 FR 7272
05/25/2001 04/22/2002
67 FR 7272
Springfield Area Maintenance 11/15/1990 Not Classified 153,060 2016 1.5 Yes 0 / 0 04/22/2002
67 FR 7272
05/25/2001 04/22/2002
67 FR 7272
Waltham Area Maintenance 11/15/1990 Not Classified 60,632 2016   No Data 0 / 0 04/22/2002
67 FR 7272
05/25/2002 04/22/2002
67 FR 7272
Worcester Area Maintenance 11/15/1990 Not Classified 181,045 2016 1.1 Yes 0 / 0 04/22/2002
67 FR 7272
05/25/2001 04/22/2002
67 FR 7272

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

No designated areas for this pollutant.

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

No designated areas for this pollutant.

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

No designated areas for this pollutant.

Massachusetts 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
Boston-Lawrence-Worcester (E. Mass) Area Nonattainment (NAAQS revoked) 11/15/1990 Serious 5,723,468 2014-2016 0.086 Yes 26 / 26 06/28/2012
77 FR 31496
   
Springfield (W. Mass) Area Nonattainment (NAAQS revoked) 11/15/1990 Serious 824,161 2014-2016 0.095 Yes 26 / 26 05/30/2012
77 FR 25362
   
OTR 1990               5 / 5  
 
   
OTR               13 / 13  
 
   

Massachusetts 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
Boston-Lawrence-Worcester (E. Mass) Area Nonattainment (NAAQS revoked) 06/15/2004 Subpart 2/Moderate 5,723,468 2014-2016 0.068 Yes 53 / 39 06/28/2012
77 FR 31496
   
Springfield (W. Mass) Area Nonattainment (NAAQS revoked) 06/15/2004 Subpart 2/Moderate 824,161 2014-2016 0.070 Yes 53 / 39 07/19/2012
77 FR 36404
   
OTR               46 / 34  
 
   

Massachusetts 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
Dukes County Nonattainment 07/20/2012 Marginal 16,535 2014-2016   Insufficient Data 3 / 0 06/03/2016
81 FR 26697
   
OTR               47 / 0  
 
   

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

No designated areas for this pollutant.

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

No designated areas for this pollutant.

Massachusetts PM-2.5 (2006) Areas     Return to map Top of page

No designated areas for this pollutant.

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

No designated areas for this pollutant.

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

No designated areas for this pollutant.

Massachusetts 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.

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.