The report below displays data on the total number of days in Alabama 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
Birmingham
1990
50
1991
17
1992
22
1993
24
1994
11
1995
50
1996
25
1997
29
1998
38
1999
65
2000
68
2001
41
2002
28
2003
17
2004
17
2005
35
2006
33
2007
41
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.
