Nonattainment Status for Each County by Year for Massachusetts Including Previous 1-Hour Ozone Counties

As of December 14, 2012
Listed by County, Pollutant, then Area

Select a State:

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Important Notes

County

Pollutant

AreaName

Nonattainment in Year

Redesignation
to Maintenance

Classification

Cty NA
Whole/
Part

Population
(2010)

FIPS
State/
Cnty

MASSACHUSETTS

Barnstable Co

1-Hr Ozone

Boston-Lawrence-Worcester (E. MA), MA-NH

/ /

Serious

Whole

215,888

25/001

Barnstable Co

8-Hr Ozone 1997

Boston-Lawrence-Worcester (E. MA), MA

/ /

Moderate

Whole

215,888

25/001

Berkshire Co

1-Hr Ozone

Springfield (Western MA), MA

/ /

Serious

Whole

131,219

25/003

Berkshire Co

8-Hr Ozone 1997

Springfield (Western MA), MA

/ /

Moderate

Whole

131,219

25/003

Bristol Co

1-Hr Ozone

Boston-Lawrence-Worcester (E. MA), MA-NH

/ /

Serious

Whole

548,285

25/005

Bristol Co

8-Hr Ozone 1997

Boston-Lawrence-Worcester (E. MA), MA

/ /

Moderate

Whole

548,285

25/005

Dukes Co

1-Hr Ozone

Boston-Lawrence-Worcester (E. MA), MA-NH

/ /

Serious

Whole

16,535

25/007

Dukes Co

8-Hr Ozone 1997

Boston-Lawrence-Worcester (E. MA), MA

/ /

Moderate

Whole

16,535

25/007

Dukes Co

8-Hr Ozone 2008

Dukes County, MA

/ /

Marginal

Whole

16,535

25/007

Essex Co

1-Hr Ozone

Boston-Lawrence-Worcester (E. MA), MA-NH

/ /

Serious

Whole

743,159

25/009

Essex Co

8-Hr Ozone 1997

Boston-Lawrence-Worcester (E. MA), MA

/ /

Moderate

Whole

743,159

25/009

Franklin Co

1-Hr Ozone

Springfield (Western MA), MA

/ /

Serious

Whole

71,372

25/011

Franklin Co

8-Hr Ozone 1997

Springfield (Western MA), MA

/ /

Moderate

Whole

71,372

25/011

Hampden Co

1-Hr Ozone

Springfield (Western MA), MA

/ /

Serious

Whole

463,490

25/013

Hampden Co

8-Hr Ozone 1997

Springfield (Western MA), MA

/ /

Moderate

Whole

463,490

25/013

Hampden Co

Springfield, MA

04/22/2002

Not Classified

Part

153,060

25/013

Hampshire Co

1-Hr Ozone

Springfield (Western MA), MA

/ /

Serious

Whole

158,080

25/015

Hampshire Co

8-Hr Ozone 1997

Springfield (Western MA), MA

/ /

Moderate

Whole

158,080

25/015

Middlesex Co

1-Hr Ozone

Boston-Lawrence-Worcester (E. MA), MA-NH

/ /

Serious

Whole

1,503,085

25/017

Middlesex Co

8-Hr Ozone 1997

Boston-Lawrence-Worcester (E. MA), MA

/ /

Moderate

Whole

1,503,085

25/017

Middlesex Co

Boston, MA

04/01/1996

Moderate <= 12.7ppm

Part

338,206

25/017

Middlesex Co

Lowell, MA

04/22/2002

Not Classified

Part

106,519

25/017

Middlesex Co

Waltham, MA

04/22/2002

Not Classified

Part

60,632

25/017

Nantucket Co

1-Hr Ozone

Boston-Lawrence-Worcester (E. MA), MA-NH

/ /

Serious

Whole

10,172

25/019

Nantucket Co

8-Hr Ozone 1997

Boston-Lawrence-Worcester (E. MA), MA

/ /

Moderate

Whole

10,172

25/019

Norfolk Co

1-Hr Ozone

Boston-Lawrence-Worcester (E. MA), MA-NH

/ /

Serious

Whole

670,850

25/021

Norfolk Co

8-Hr Ozone 1997

Boston-Lawrence-Worcester (E. MA), MA

/ /

Moderate

Whole

670,850

25/021

Norfolk Co

Boston, MA

04/01/1996

Moderate <= 12.7ppm

Part

92,271

25/021

Plymouth Co

1-Hr Ozone

Boston-Lawrence-Worcester (E. MA), MA-NH

/ /

Serious

Whole

494,919

25/023

Plymouth Co

8-Hr Ozone 1997

Boston-Lawrence-Worcester (E. MA), MA

/ /

Moderate

Whole

494,919

25/023

Suffolk Co

1-Hr Ozone

Boston-Lawrence-Worcester (E. MA), MA-NH

/ /

Serious

Whole

722,023

25/025

Suffolk Co

8-Hr Ozone 1997

Boston-Lawrence-Worcester (E. MA), MA

/ /

Moderate

Whole

722,023

25/025

Suffolk Co

Boston, MA

04/01/1996

Moderate <= 12.7ppm

Part

704,526

25/025

Worcester Co

1-Hr Ozone

Boston-Lawrence-Worcester (E. MA), MA-NH

/ /

Serious

Whole

798,552

25/027

Worcester Co

8-Hr Ozone 1997

Boston-Lawrence-Worcester (E. MA), MA

/ /

Moderate

Whole

798,552

25/027

Worcester Co

Worcester, MA

04/22/2002

Not Classified

Part

181,045

25/027

Important Notes

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