Table 3 - Ambient Air Quality Data
Massachusetts Ozone

Map of number of ozone exceedance days

Number of ozone exceedance days for sites in Massachusetts

NAAQS 1 day >= 0.125 ppm

Graph of number of daily maximum values >= .125 vs. year

Units: 007 ppm

Ozone season: Apr 01 to Sep 30

										Valid Daily 1-HR Maximum				VALS>.12
Site ID	P O C	M T	City	County	Address	YR	REP ORG	NUM MEA	NUM REQ	1ST	2ND	3RD	4TH	MEAS	EST	MIS DAY ASU< STAN	METH
25-001-0002	1	2	Truro	Barnstable	Fox Bottom Area - Cape Code National Seashore	97	001	124	183	0.124	0.116	0.116	0.115	0	0	1	87
25-003-4002	1	2	Adams	Berkshire	Mt. Greylock Summit	97	001	122	183	0.099	0.087	0.084	0.083	0	0	0	87
25-005-1002	1	2	Fairhaven	Bristol	Leroy Wood School	97	001	182	183	0.145	0.123	0.118	0.112	1	1	1	87
25-005-1005	1	7	Easton	Bristol	1 Borderland St.	97	001	178	183	0.114	0.107	0.107	0.104	0	0	0	87
25-009-0005	1	1	Lawrence	Essex	High Street Storrow Park	97	001	174	183	0.115	0.097	0.091	0.084	0	0	2	87
25-009-2006	1	8	Lynn	Essex	390 Parkland Ave	97	001	181	183	0.121	0.105	0.101	0.1	0	0	1	87
25-009-4004	1	7	Newbury	Essex	Sunset Boulevard	97	001	180	183	0.123	0.118	0.107	0.102	0	0	3	87
25-013-0003	1	8	Agawam	Hampden	152 South Westfield Street, Feeding Hills	97	001	175	183	0.115	0.114	0.112	0.11	0	0	2	87
25-013-0008	1	7	Chicopee	Hampden	Anderson Road Air Force Base	97	001	174	183	0.127	0.126	0.116	0.113	2	2.1	3	87
25-015-0103	1	2	Amherst	Hampshire	North Pleasant St, U. Mass Pathology Dept.	97	001	175	183	0.109	0.106	0.104	0.103	0	0	2	87
25-015-4002	1	7	Ware	Hampshire	Quabbin Summit	97	001	176	183	0.151	0.142	0.132	0.123	3	3	5	87
25-017-1801	1	1	Sudbury	Middlesex	Water Row Rd, Great Meadows Nat. Wildlife	97	001	177	183	0.114	0.107	0.107	0.099	0	0	2	87
25-017-4003	1	2	Waltham	Middlesex	Beaver Street	97	001	181	183	0.114	0.114	0.105	0.103	0	0	2	87
25-023-2001	1	2	Scituate	Plymouth	Situate Police Station, First Parish Rd.	97	001	181	183	0.106	0.095	0.085	0.081	0	0	2	87
25-025-1003	1	1	Chelsea	Suffolk	Powder Horn Hill	97	001	170	183	0.094	0.092	0.09	0.089	0	0	2	87
25-027-0015	1	1	Worcester	Worcester	Worcester Airport	97	001	177	183	0.108	0.106	0.104	0.104	0	0	4	87

Steven McDougall / swmcd@theworld.com / 1998 September 27