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Arizona
Air Quality Index Report
The report below displays data on the total number of days in Arizona 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 |
Phoenix-Mesa
|
Tucson
|
|
1990
|
20 |
7 |
|
1991
|
24 |
4 |
|
1992
|
33 |
6 |
|
1993
|
37 |
14 |
|
1994
|
33 |
10 |
|
1995
|
41 |
14 |
|
1996
|
45 |
8 |
|
1997
|
33 |
8 |
|
1998
|
47 |
7 |
|
1999
|
47 |
8 |
|
2000
|
35 |
5 |
|
2001
|
25 |
0 |
|
2002
|
22 |
7 |
|
2003
|
26 |
7 |
|
2004
|
9 |
0 |
|
2005
|
23 |
8 |
|
2006
|
25 |
9 |
|
2007
|
11 |
1 |
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.
| Air Quality Index Values |
Levels of Health Concern |
| 0 to 50 |
Good |
| 51 to 100 |
Moderate |
| 101 to 150 |
Unhealthy for Sensitive Groups |
| 151 to 200 |
Unhealthy |
| 201 to 300 |
Very Unhealthy |
| 301 to 500 |
Hazardous |
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CO2 Emissions by Year
View the trend of total carbon dioxide emissions in Arizona by year
View Report >>
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