The report below displays data on the total number of days in Ohio with an Air Quality Index Value of
over 100. This data has been compiled from 1990-2007. Some states have multiple monitoring stations and each will be listed in the reports below.
Other states do not have any monitoring stations in which case we have selected the closest station available.
Year
Akron
Cincinnati
Cleveland-Lorain-Elyria
Columbus
Dayton-Springfield
Toledo
Youngstown-Warren
1990
26
32
17
14
28
15
0
1991
47
29
44
46
25
14
0
1992
12
6
21
13
8
8
15
1993
17
24
32
16
14
13
19
1994
23
29
32
23
28
12
7
1995
21
33
30
27
28
15
14
1996
26
30
29
26
28
20
15
1997
16
20
23
17
22
8
14
1998
37
36
40
40
38
15
34
1999
40
40
50
37
28
18
24
2000
14
22
29
16
14
9
11
2001
28
28
44
20
15
24
25
2002
38
42
39
38
45
23
28
2003
15
22
22
12
13
15
11
2004
10
8
22
3
8
9
4
2005
30
33
36
20
22
25
17
2006
5
15
17
5
5
4
2
2007
22
39
22
13
11
5
14
According to the EPA, an Air Quality Index Value of over 100 presents some level of health concern. The higher the number, the
higher the level of concern. The EPA provides the following table and more information on Air Quality Index can be found at
WikiPedia.
