OZONE |
| Year |
Days exceeding state standard |
Days exceeding 1 hour federal standard |
Days exceeding 8 hour federal standard |
Max. 1 hr. reading parts per million (ppm) |
Max 8 hr. reading parts per million (ppm) |
| 1994 |
62 |
10 |
na |
.14 |
N/A |
| 1995 |
61 |
5 |
na |
.14 |
N/A |
| 1996 |
40 |
1 |
na |
.13 |
N/A |
| 1997 |
13 |
0 |
na |
.12 |
N/A |
| 1998 |
24 |
8 |
18 |
.16 |
N/A |
| 1999 |
1 |
0 |
0 |
.10 |
N/A |
| 2000 |
35 |
2 |
28 |
.14 |
N/A |
| 2001 |
37 |
3 |
28 |
.15 |
N/A |
| 2002 |
46 |
5 |
41 |
.16 |
.11 |
| 2003 |
50 |
4 |
35 |
.16 |
.12 |
| 2004 |
37 |
0 |
24 |
.12 |
.10 |
| 2005 |
42 |
1 |
31 |
.13 |
.10 |
| 2006 |
22 |
2 |
16 |
.13 |
.11 |
| 2007 |
16 |
0 |
14 |
.12 |
.10 |
State Standard: 0.09 ppm based on 1 hr. average
Federal standard: 0.12 ppm based on 1 hr. average
0.08 ppm based on 8 hr. average
PM-10 |
| Year |
Days exceeding state standard |
Days exceeding federal standard |
Max. 24 hr. reading |
| 1994 |
3 |
0 |
97 |
| 1995 |
3 |
0 |
61 |
| 1996 |
2 |
0 |
67 |
| 1997 |
2 |
0 |
54 |
| 1998 |
2 |
0 |
80 |
| 1999 |
2 |
0 |
85 |
| 2000 |
6 |
0 |
110 |
| 2001 |
5 |
0 |
64 |
| 2002 |
1 |
0 |
74 |
| 2003 |
2 |
0 |
57 |
| 2004 |
1 |
0 |
56 |
| 2005 |
1 |
0 |
54 |
| 2006 |
4 |
0 |
64 |
| 2007 |
8 |
0 |
86 |
State Standard: 50 ug/m3 based on 24 hour average
Federal Standard: 150 ug/m3 based on 24 hour average
