The report below displays data on the total number of days in Arkansas 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
Little Rock-North Little Rock
Memphis
1990
22
50
1991
14
29
1992
7
27
1993
4
31
1994
8
37
1995
24
56
1996
9
39
1997
10
35
1998
13
55
1999
16
56
2000
29
52
2001
17
33
2002
18
34
2003
3
29
2004
0
11
2005
19
37
2006
11
30
2007
11
35
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.
