US air pollution statistics per county and city in Massachusetts

2002 air pollution stats in Suffolk Co, Massachusetts

p2@Massachusettspollution.allstats.info — Wed, 01 Jul 2009 05:34:05 -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%)

2001 air pollution stats in Barnstable Co, Massachusetts

p2@Massachusettspollution.allstats.info — Fri, 03 Jul 2009 06:21:05 -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%)

2002 air pollution stats in Worcester Co, Massachusetts

p2@Massachusettspollution.allstats.info — Mon, 29 Jun 2009 09:55:05 -0500

County	Worcester Co
State	Massachusetts
Data from year	2002
Total number of days monitored	365
Good air	265 (72.60%)
Moderate air	89 (24.38%)
Unhealthy for sensitive groups	9 (2.47%)
Unhealthy for all	2 (0.55%)

Worst pollutants

Carbon monoxide	5 (1.37%)
Nitrogen dioxide	0 (0.00%)
Ozone	2 (0.55%)

2001 air pollution stats in Suffolk Co, Massachusetts

p2@Massachusettspollution.allstats.info — Mon, 29 Jun 2009 12:14:05 -0500

County	Suffolk Co
State	Massachusetts
Data from year	2001
Total number of days monitored	365
Good air	206 (56.44%)
Moderate air	148 (40.55%)
Unhealthy for sensitive groups	9 (2.47%)
Unhealthy for all	2 (0.55%)

Worst pollutants

Carbon monoxide	6 (1.64%)
Nitrogen dioxide	0 (0.00%)
Ozone	1 (0.27%)

2007 air pollution stats in Middlesex Co, Massachusetts

p2@Massachusettspollution.allstats.info — Tue, 30 Jun 2009 23:20:05 -0500

County	Middlesex Co
State	Massachusetts
Data from year	2007
Total number of days monitored	181
Good air	170 (93.92%)
Moderate air	9 (4.97%)
Unhealthy for sensitive groups	2 (1.10%)
Unhealthy for all	0 (0.00%)

Worst pollutants

Carbon monoxide	2 (1.10%)
Nitrogen dioxide	0 (0.00%)
Ozone	0 (0.00%)

2004 air pollution stats in Dukes Co, Massachusetts

p2@Massachusettspollution.allstats.info — Wed, 01 Jul 2009 21:55:05 -0500

County	Dukes Co
State	Massachusetts
Data from year	2004
Total number of days monitored	242
Good air	222 (91.74%)
Moderate air	20 (8.26%)
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%)

2000 air pollution stats in Plymouth Co, Massachusetts

p2@Massachusettspollution.allstats.info — Thu, 02 Jul 2009 22:23:05 -0500

County	Plymouth Co
State	Massachusetts
Data from year	2000
Total number of days monitored	96
Good air	72 (75.00%)
Moderate air	24 (25.00%)
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%)

2000 air pollution stats in Barnstable Co, Massachusetts

p2@Massachusettspollution.allstats.info — Wed, 01 Jul 2009 23:22:05 -0500

County	Barnstable Co
State	Massachusetts
Data from year	2000
Total number of days monitored	276
Good air	248 (89.86%)
Moderate air	25 (9.06%)
Unhealthy for sensitive groups	2 (0.72%)
Unhealthy for all	1 (0.36%)

Worst pollutants

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

2002 air pollution stats in Essex Co, Massachusetts

p2@Massachusettspollution.allstats.info — Sat, 04 Jul 2009 09:48:05 -0500

County	Essex Co
State	Massachusetts
Data from year	2002
Total number of days monitored	365
Good air	307 (84.11%)
Moderate air	42 (11.51%)
Unhealthy for sensitive groups	12 (3.29%)
Unhealthy for all	4 (1.10%)

Worst pollutants

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

2005 air pollution stats in Suffolk Co, Massachusetts

p2@Massachusettspollution.allstats.info — Thu, 02 Jul 2009 10:55:05 -0500

County	Suffolk Co
State	Massachusetts
Data from year	2005
Total number of days monitored	365
Good air	217 (59.45%)
Moderate air	138 (37.81%)
Unhealthy for sensitive groups	9 (2.47%)
Unhealthy for all	1 (0.27%)

Worst pollutants

Carbon monoxide	0 (0.00%)
Nitrogen dioxide	0 (0.00%)
Ozone	3 (0.82%)

2005 air pollution stats in Essex Co, Massachusetts

p2@Massachusettspollution.allstats.info — Fri, 03 Jul 2009 21:20:05 -0500

County	Essex Co
State	Massachusetts
Data from year	2005
Total number of days monitored	365
Good air	293 (80.27%)
Moderate air	66 (18.08%)
Unhealthy for sensitive groups	6 (1.64%)
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 Hampshire Co, Massachusetts

p2@Massachusettspollution.allstats.info — Tue, 30 Jun 2009 16:25:05 -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%)

2007 air pollution stats in Worcester Co, Massachusetts

p2@Massachusettspollution.allstats.info — Mon, 29 Jun 2009 07:03:05 -0500

County	Worcester Co
State	Massachusetts
Data from year	2007
Total number of days monitored	181
Good air	150 (82.87%)
Moderate air	26 (14.36%)
Unhealthy for sensitive groups	5 (2.76%)
Unhealthy for all	0 (0.00%)

Worst pollutants

Carbon monoxide	10 (5.52%)
Nitrogen dioxide	0 (0.00%)
Ozone	9 (4.97%)

2006 air pollution stats in Norfolk Co, Massachusetts

p2@Massachusettspollution.allstats.info — Tue, 30 Jun 2009 09:21:05 -0500

County	Norfolk Co
State	Massachusetts
Data from year	2006
Total number of days monitored	346
Good air	302 (87.28%)
Moderate air	42 (12.14%)
Unhealthy for sensitive groups	2 (0.58%)
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 Worcester Co, Massachusetts

p2@Massachusettspollution.allstats.info — Sun, 28 Jun 2009 22:19:05 -0500

County	Worcester Co
State	Massachusetts
Data from year	2001
Total number of days monitored	365
Good air	267 (73.15%)
Moderate air	91 (24.93%)
Unhealthy for sensitive groups	7 (1.92%)
Unhealthy for all	0 (0.00%)

Worst pollutants

Carbon monoxide	4 (1.10%)
Nitrogen dioxide	0 (0.00%)
Ozone	6 (1.64%)

2004 air pollution stats in Bristol Co, Massachusetts

p2@Massachusettspollution.allstats.info — Thu, 02 Jul 2009 23:42:05 -0500

County	Bristol Co
State	Massachusetts
Data from year	2004
Total number of days monitored	366
Good air	281 (76.78%)
Moderate air	83 (22.68%)
Unhealthy for sensitive groups	2 (0.55%)
Unhealthy for all	0 (0.00%)

Worst pollutants

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

2006 air pollution stats in Middlesex Co, Massachusetts

p2@Massachusettspollution.allstats.info — Mon, 29 Jun 2009 10:21:05 -0500

County	Middlesex Co
State	Massachusetts
Data from year	2006
Total number of days monitored	365
Good air	335 (91.78%)
Moderate air	30 (8.22%)
Unhealthy for sensitive groups	0 (0.00%)
Unhealthy for all	0 (0.00%)

Worst pollutants

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

1997 air pollution stats in Bristol Co, Massachusetts

p2@Massachusettspollution.allstats.info — Fri, 03 Jul 2009 19:18:05 -0500

County	Bristol Co
State	Massachusetts
Data from year	1997
Total number of days monitored	365
Good air	317 (86.85%)
Moderate air	33 (9.04%)
Unhealthy for sensitive groups	13 (3.56%)
Unhealthy for all	2 (0.55%)

Worst pollutants

Carbon monoxide	0 (0.00%)
Nitrogen dioxide	0 (0.00%)
Ozone	19 (5.21%)

1999 air pollution stats in Worcester Co, Massachusetts

p2@Massachusettspollution.allstats.info — Sun, 28 Jun 2009 06:01:05 -0500

County	Worcester Co
State	Massachusetts
Data from year	1999
Total number of days monitored	365
Good air	302 (82.74%)
Moderate air	55 (15.07%)
Unhealthy for sensitive groups	8 (2.19%)
Unhealthy for all	0 (0.00%)

Worst pollutants

Carbon monoxide	61 (16.71%)
Nitrogen dioxide	0 (0.00%)
Ozone	6 (1.64%)

1998 air pollution stats in Norfolk Co, Massachusetts

p2@Massachusettspollution.allstats.info — Mon, 29 Jun 2009 22:00:05 -0500

County	Norfolk Co
State	Massachusetts
Data from year	1998
Total number of days monitored	48
Good air	47 (97.92%)
Moderate air	1 (2.08%)
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%)