The report below displays data on the total number of days in Rhode Island 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
Providence-Fall River-Warwick
1990
18
1991
28
1992
11
1993
9
1994
20
1995
17
1996
10
1997
16
1998
10
1999
14
2000
13
2001
21
2002
24
2003
8
2004
4
2005
13
2006
6
2007
11
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.
