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Historical Exceedance Days in New England of EPA's 8-hour Average Ground-Level Ozone Standard

Exceedance Days Per Area(Click on an area for a graph of the data)
Year
New England
CT
ME
MA
NH
RI
VT
1983
90
84
21
62
10
24
4
1984
60
54
25
44
10
28
4
1985
50
41
21
38
8
16
6
1986
35
28
9
24
9
12
1
1987
46
37
10
24
13
18
3
1988
56
50
35
43
27
19
14
1989
31
26
11
21
11
9
2
1990
31
24
15
22
9
13
5
1991
40
34
17
26
13
20
10
1992
27
19
12
20
7
5
6
1993
30
27
14
23
8
7
4
1994
33
28
10
20
9
8
2
1995
29
24
14
20
9
11
3
1996
20
16
5
15
6
4
3
1997
30
27
11
24
10
11
2
1998
28
25
11
12
7
5
0
1999
35
33
10
22
9
13
2
2000
19
13
3
5
1
8
1
2001
32
26
15
27
10
15
2
2002
43
36
17
30
13
17
5
2003
17
14
5
11
1
10
0
2004
13
6
1
8
4
4
1
2005
26
20
4
20
3
8
0
2006
16
13
2
11
2
3
0
2007*
26
17
8
20
6
8
1

* The data for 2007 are preliminary and subject to change.

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