US air pollution statistics per county and city in Massachusetts

2000 air pollution stats in Bristol Co, Massachusetts

p2@Massachusettspollution.allstats.info — Fri, 03 Jul 2009 04:19:34 -0500

County	Bristol Co
State	Massachusetts
Data from year	2000
Total number of days monitored	363
Good air	312 (85.95%)
Moderate air	47 (12.95%)
Unhealthy for sensitive groups	3 (0.83%)
Unhealthy for all	1 (0.28%)

Worst pollutants

Carbon monoxide	0 (0.00%)
Nitrogen dioxide	0 (0.00%)
Ozone	125 (34.44%)

1999 air pollution stats in Middlesex Co, Massachusetts

p2@Massachusettspollution.allstats.info — Tue, 30 Jun 2009 10:06:34 -0500

County	Middlesex Co
State	Massachusetts
Data from year	1999
Total number of days monitored	365
Good air	318 (87.12%)
Moderate air	39 (10.68%)
Unhealthy for sensitive groups	8 (2.19%)
Unhealthy for all	0 (0.00%)

Worst pollutants

Carbon monoxide	64 (17.53%)
Nitrogen dioxide	0 (0.00%)
Ozone	91 (24.93%)

1997 air pollution stats in Norfolk Co, Massachusetts

p2@Massachusettspollution.allstats.info — Wed, 01 Jul 2009 14:19:34 -0500

County	Norfolk Co
State	Massachusetts
Data from year	1997
Total number of days monitored	47
Good air	46 (97.87%)
Moderate air	1 (2.13%)
Unhealthy for sensitive groups	0 (0.00%)
Unhealthy for all	0 (0.00%)

Worst pollutants

Carbon monoxide	0 (0.00%)
Nitrogen dioxide	0 (0.00%)
Ozone	0 (0.00%)

2001 air pollution stats in Essex Co, Massachusetts

p2@Massachusettspollution.allstats.info — Tue, 30 Jun 2009 05:15:34 -0500

County	Essex Co
State	Massachusetts
Data from year	2001
Total number of days monitored	365
Good air	310 (84.93%)
Moderate air	42 (11.51%)
Unhealthy for sensitive groups	12 (3.29%)
Unhealthy for all	1 (0.27%)

Worst pollutants

Carbon monoxide	0 (0.00%)
Nitrogen dioxide	0 (0.00%)
Ozone	67 (18.36%)

2007 air pollution stats in Dukes Co, Massachusetts

p2@Massachusettspollution.allstats.info — Tue, 30 Jun 2009 01:21:34 -0500

County	Dukes Co
State	Massachusetts
Data from year	2007
Total number of days monitored	92
Good air	81 (88.04%)
Moderate air	8 (8.70%)
Unhealthy for sensitive groups	3 (3.26%)
Unhealthy for all	0 (0.00%)

Worst pollutants

Carbon monoxide	0 (0.00%)
Nitrogen dioxide	0 (0.00%)
Ozone	0 (0.00%)

2000 air pollution stats in Middlesex Co, Massachusetts

p2@Massachusettspollution.allstats.info — Sat, 04 Jul 2009 00:02:34 -0500

County	Middlesex Co
State	Massachusetts
Data from year	2000
Total number of days monitored	366
Good air	337 (92.08%)
Moderate air	28 (7.65%)
Unhealthy for sensitive groups	1 (0.27%)
Unhealthy for all	0 (0.00%)

Worst pollutants

Carbon monoxide	103 (28.14%)
Nitrogen dioxide	0 (0.00%)
Ozone	46 (12.57%)

2002 air pollution stats in Plymouth Co, Massachusetts

p2@Massachusettspollution.allstats.info — Wed, 01 Jul 2009 12:20:34 -0500

County	Plymouth Co
State	Massachusetts
Data from year	2002
Total number of days monitored	111
Good air	86 (77.48%)
Moderate air	23 (20.72%)
Unhealthy for sensitive groups	2 (1.80%)
Unhealthy for all	0 (0.00%)

Worst pollutants

Carbon monoxide	0 (0.00%)
Nitrogen dioxide	0 (0.00%)
Ozone	0 (0.00%)

1999 air pollution stats in Norfolk Co, Massachusetts

p2@Massachusettspollution.allstats.info — Mon, 29 Jun 2009 18:27:34 -0500

County	Norfolk Co
State	Massachusetts
Data from year	1999
Total number of days monitored	116
Good air	86 (74.14%)
Moderate air	29 (25.00%)
Unhealthy for sensitive groups	1 (0.86%)
Unhealthy for all	0 (0.00%)

Worst pollutants

Carbon monoxide	0 (0.00%)
Nitrogen dioxide	0 (0.00%)
Ozone	0 (0.00%)

2001 air pollution stats in Bristol Co, Massachusetts

p2@Massachusettspollution.allstats.info — Thu, 02 Jul 2009 13:36:34 -0500

County	Bristol Co
State	Massachusetts
Data from year	2001
Total number of days monitored	364
Good air	293 (80.49%)
Moderate air	55 (15.11%)
Unhealthy for sensitive groups	12 (3.30%)
Unhealthy for all	4 (1.10%)

Worst pollutants

Carbon monoxide	0 (0.00%)
Nitrogen dioxide	0 (0.00%)
Ozone	134 (36.81%)

2007 air pollution stats in Hampden Co, Massachusetts

p2@Massachusettspollution.allstats.info — Sun, 28 Jun 2009 09:56:34 -0500

County	Hampden Co
State	Massachusetts
Data from year	2007
Total number of days monitored	181
Good air	143 (79.01%)
Moderate air	36 (19.89%)
Unhealthy for sensitive groups	2 (1.10%)
Unhealthy for all	0 (0.00%)

Worst pollutants

Carbon monoxide	0 (0.00%)
Nitrogen dioxide	0 (0.00%)
Ozone	0 (0.00%)

1999 air pollution stats in Hampshire Co, Massachusetts

p2@Massachusettspollution.allstats.info — Wed, 01 Jul 2009 13:34:34 -0500

County	Hampshire Co
State	Massachusetts
Data from year	1999
Total number of days monitored	365
Good air	319 (87.40%)
Moderate air	35 (9.59%)
Unhealthy for sensitive groups	10 (2.74%)
Unhealthy for all	1 (0.27%)

Worst pollutants

Carbon monoxide	0 (0.00%)
Nitrogen dioxide	0 (0.00%)
Ozone	6 (1.64%)

1997 air pollution stats in Hampshire Co, Massachusetts

p2@Massachusettspollution.allstats.info — Wed, 01 Jul 2009 14:47:34 -0500

County	Hampshire Co
State	Massachusetts
Data from year	1997
Total number of days monitored	365
Good air	319 (87.40%)
Moderate air	37 (10.14%)
Unhealthy for sensitive groups	5 (1.37%)
Unhealthy for all	4 (1.10%)

Worst pollutants

Carbon monoxide	0 (0.00%)
Nitrogen dioxide	0 (0.00%)
Ozone	12 (3.29%)

2002 air pollution stats in Suffolk Co, Massachusetts

p2@Massachusettspollution.allstats.info — Wed, 01 Jul 2009 19:10:34 -0500

County	Suffolk Co
State	Massachusetts
Data from year	2002
Total number of days monitored	365
Good air	234 (64.11%)
Moderate air	114 (31.23%)
Unhealthy for sensitive groups	13 (3.56%)
Unhealthy for all	4 (1.10%)

Worst pollutants

Carbon monoxide	0 (0.00%)
Nitrogen dioxide	0 (0.00%)
Ozone	1 (0.27%)

2004 air pollution stats in Hampden Co, Massachusetts

p2@Massachusettspollution.allstats.info — Sun, 28 Jun 2009 06:21:34 -0500

County	Hampden Co
State	Massachusetts
Data from year	2004
Total number of days monitored	366
Good air	251 (68.58%)
Moderate air	110 (30.05%)
Unhealthy for sensitive groups	5 (1.37%)
Unhealthy for all	0 (0.00%)

Worst pollutants

Carbon monoxide	0 (0.00%)
Nitrogen dioxide	0 (0.00%)
Ozone	0 (0.00%)

2005 air pollution stats in Middlesex Co, Massachusetts

p2@Massachusettspollution.allstats.info — Sun, 28 Jun 2009 03:50:34 -0500

County	Middlesex Co
State	Massachusetts
Data from year	2005
Total number of days monitored	365
Good air	334 (91.51%)
Moderate air	28 (7.67%)
Unhealthy for sensitive groups	3 (0.82%)
Unhealthy for all	0 (0.00%)

Worst pollutants

Carbon monoxide	93 (25.48%)
Nitrogen dioxide	0 (0.00%)
Ozone	0 (0.00%)

2001 air pollution stats in Barnstable Co, Massachusetts

p2@Massachusettspollution.allstats.info — Wed, 01 Jul 2009 14:06:34 -0500

County	Barnstable Co
State	Massachusetts
Data from year	2001
Total number of days monitored	365
Good air	327 (89.59%)
Moderate air	25 (6.85%)
Unhealthy for sensitive groups	9 (2.47%)
Unhealthy for all	4 (1.10%)

Worst pollutants

Carbon monoxide	0 (0.00%)
Nitrogen dioxide	0 (0.00%)
Ozone	0 (0.00%)

1997 air pollution stats in Middlesex Co, Massachusetts

p2@Massachusettspollution.allstats.info — Sat, 04 Jul 2009 04:22:34 -0500

County	Middlesex Co
State	Massachusetts
Data from year	1997
Total number of days monitored	365
Good air	330 (90.41%)
Moderate air	28 (7.67%)
Unhealthy for sensitive groups	6 (1.64%)
Unhealthy for all	1 (0.27%)

Worst pollutants

Carbon monoxide	98 (26.85%)
Nitrogen dioxide	0 (0.00%)
Ozone	85 (23.29%)

2005 air pollution stats in Hampshire Co, Massachusetts

p2@Massachusettspollution.allstats.info — Sat, 27 Jun 2009 13:34:34 -0500

County	Hampshire Co
State	Massachusetts
Data from year	2005
Total number of days monitored	365
Good air	323 (88.49%)
Moderate air	34 (9.32%)
Unhealthy for sensitive groups	8 (2.19%)
Unhealthy for all	0 (0.00%)

Worst pollutants

Carbon monoxide	0 (0.00%)
Nitrogen dioxide	0 (0.00%)
Ozone	1 (0.27%)

2003 air pollution stats in Hampshire Co, Massachusetts

p2@Massachusettspollution.allstats.info — Sun, 28 Jun 2009 02:44:34 -0500

County	Hampshire Co
State	Massachusetts
Data from year	2003
Total number of days monitored	365
Good air	347 (95.07%)
Moderate air	18 (4.93%)
Unhealthy for sensitive groups	0 (0.00%)
Unhealthy for all	0 (0.00%)

Worst pollutants

Carbon monoxide	0 (0.00%)
Nitrogen dioxide	0 (0.00%)
Ozone	7 (1.92%)

1998 air pollution stats in Worcester Co, Massachusetts

p2@Massachusettspollution.allstats.info — Fri, 03 Jul 2009 18:02:34 -0500

County	Worcester Co
State	Massachusetts
Data from year	1998
Total number of days monitored	365
Good air	325 (89.04%)
Moderate air	34 (9.32%)
Unhealthy for sensitive groups	4 (1.10%)
Unhealthy for all	2 (0.55%)

Worst pollutants

Carbon monoxide	16 (4.38%)
Nitrogen dioxide	0 (0.00%)
Ozone	7 (1.92%)